last executing test programs: 18.936102606s ago: executing program 1 (id=2): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./dbg/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)="4f00c4", 0x3) 18.839447589s ago: executing program 1 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/kvm/kvm_entry/enable\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0) write(r1, 0x0, 0x0) 18.736399261s ago: executing program 2 (id=3): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000340)='./file1\x00', 0x210000, &(0x7f0000002f40)={[{@nodelalloc}, {@dioread_lock}, {@barrier_val={'barrier', 0x3d, 0x4}}, {@nolazytime}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@lazytime}, {@errors_remount}, {@stripe={'stripe', 0x3d, 0x7fffffff}}, {@bh}, {@init_itable}]}, 0xfc, 0x589, &(0x7f0000000bc0)="$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") r0 = creat(&(0x7f0000000380)='./bus\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000680)='./bus\x00', 0x0, 0x5000, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) io_submit(r1, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030003, 0x2, 0x1, 0x0, r0, &(0x7f0000000080)='$', 0x1, 0x1f00, 0x0, 0x0, r2}]) 18.678683113s ago: executing program 1 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/net/rpc/use-gss-proxy\x00', 0x1, 0x0) write(r0, 0x0, 0x13) 18.36669708s ago: executing program 1 (id=8): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000300)) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)={0x1, 0x0, [{0x1b, 0x0, 0xfee00c00}]}) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, &(0x7f0000000100)) 18.36646827s ago: executing program 0 (id=1): mkdir(&(0x7f0000000000)='./my_config\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./my_config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000300)='./my_config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000400)='./my_config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000500)='./my_config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffff9c, &(0x7f0000000600)='./my_config/usb_gadget/g1/functions/uac2.usb0/p_mute_present\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='0', 0x1) write(0xffffffffffffffff, &(0x7f0000000900)='0', 0x1) r1 = openat(0xffffff9c, &(0x7f0000000a00)='./my_config/usb_gadget/g1/functions/uac2.usb0/c_mute_present\x00', 0x1, 0x0) write(r1, &(0x7f0000000b00)='0', 0x1) symlink(&(0x7f0000000e00)='./my_config/usb_gadget/g1/functions/uac2.usb0\x00', &(0x7f0000000f00)='./my_config/usb_gadget/g1/configs/c.1/uac2.usb0\x00') r2 = openat(0xffffff9c, &(0x7f0000001000)='./my_config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r2, &(0x7f0000001100)='dummy_udc.0\n', 0xc) 18.203560424s ago: executing program 3 (id=4): socket$alg(0x26, 0x5, 0x0) r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000300), 0x0, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newsa={0x150, 0x10, 0x405, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0x1234, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x80, "1122334455667788990011223344556611223344"}}]}, 0x150}}, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x6) bind$inet(r2, &(0x7f0000000200)={0x2, 0x115c, @loopback}, 0x10) listen(r2, 0x5) r3 = socket$inet_tcp(0x2, 0x1, 0x6) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x51, &(0x7f0000000100)={[{@nombcache}, {@resgid}, {@norecovery}, {@commit={'commit', 0x3d, 0x5}}, {@nombcache}]}, 0x8, 0x5fe, &(0x7f0000000ac0)="$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") connect$inet(r3, &(0x7f0000000200)={0x2, 0x115c, @loopback}, 0x10) setsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f0000000500)={{{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x20}, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, {}, 0x0, 0x0, 0x1}, {{@in=@loopback, 0x1234, 0x32}, 0x2, @in=@loopback}}, 0xe8) sendto$inet(r3, &(0x7f0000000600)="12", 0x1, 0x0, 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) sendmmsg$alg(0xffffffffffffffff, 0x0, 0x0, 0x4004041) 18.170075455s ago: executing program 2 (id=9): mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./proc\x00', 0x777) mount(0x0, &(0x7f0000000300)='./proc\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/sys/vm/nr_hugepages\x00', 0x2, 0x0) write(r0, &(0x7f00000003c0)='10\x00', 0x3) 18.166864835s ago: executing program 0 (id=10): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000080)={0x1, 0x0, [{0xa, 0x0, 0x0, 0x300802, 0x0, 0x0, 0x603}]}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0) 18.109435657s ago: executing program 1 (id=11): openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x80782, 0x0) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="18000000003f000000000000000000f195"], &(0x7f0000000140)='GPL\x00'}, 0x94) socket$nl_generic(0x10, 0x3, 0x10) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000005000/0x3000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ff4000/0x4000)=nil, &(0x7f0000ff5000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000fea000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ff3000/0x3000)=nil, &(0x7f0000000000/0x4000)=nil, &(0x7f0000ff6000/0x1000)=nil, 0x0}, 0x68) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x24004045) r0 = io_uring_setup(0x2ddf, &(0x7f0000000040)={0x0, 0x100aeb9, 0xd000, 0x20000a, 0x60}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=@deltfilter={0x24, 0x2d, 0x800, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0x1}, {0xd, 0x1}, {0x9, 0xffff}}}, 0x24}, 0x1, 0x0, 0x0, 0x40005}, 0x44040) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, &(0x7f0000000000)=0x6, 0x4) r1 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, &(0x7f0000000040)=0x8) io_uring_enter(r0, 0x2219, 0x7721, 0x16, 0x0, 0x0) ioctl$TCXONC(0xffffffffffffffff, 0x540a, 0x3) 17.858463473s ago: executing program 1 (id=12): r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) keyctl$clear(0x7, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) sendmsg$kcm(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000000)="1400000010003507d25a806f8c6394f90324fc60", 0x14}], 0x1}, 0x8800) mount(0x0, &(0x7f0000000000)='./dbg\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./dbg/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r1, &(0x7f00000000c0)='N\x00', 0x1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./dbg/failslab/times\x00', 0x1, 0x0) setsockopt$XDP_RX_RING(r1, 0x11b, 0x2, &(0x7f0000000680)=0x1130581, 0x4) write(r2, &(0x7f0000000140)='1000\x00', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./dbg/failslab/space\x00', 0x8001, 0xc1) write(r3, &(0x7f00000001c0)='0\x00', 0x1) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./dbg/failslab/probability\x00', 0x1, 0x0) write(r5, &(0x7f0000000280)='1\x00', 0x1) ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) 17.734628806s ago: executing program 0 (id=13): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./dbg\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./dbg/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)="4f00c4", 0x3) 0s ago: executing program 32 (id=13): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./dbg\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./dbg/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)="4f00c4", 0x3) kernel console output (not intermixed with test programs): 7/0x170 [ 82.713949][ C0] worker_thread+0xad7/0x12a0 [ 82.718662][ C0] kthread+0x42e/0x520 [ 82.722787][ C0] ? rcu_lock_release+0x20/0x20 [ 82.727650][ C0] ? kthread_blkcg+0xd0/0xd0 [ 82.732266][ C0] ret_from_fork+0x1f/0x30 [ 82.736706][ C0] [ 82.741182][ T21] FAULT_INJECTION: forcing a failure. [ 82.741182][ T21] name failslab, interval 1, probability 1, space 0, times 973 [ 82.754042][ T21] CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted syzkaller #0 [ 82.761346][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.771413][ T21] Workqueue: ipv6_addrconf addrconf_dad_work [ 82.777424][ T21] Call Trace: [ 82.780723][ T21] [ 82.783669][ T21] dump_stack_lvl+0x188/0x250 [ 82.788371][ T21] ? show_regs_print_info+0x20/0x20 [ 82.793583][ T21] ? load_image+0x410/0x410 [ 82.798125][ T21] ? prandom_u32+0x217/0x250 [ 82.802749][ T21] should_fail+0x383/0x4b0 [ 82.807181][ T21] should_failslab+0x5/0x20 [ 82.811690][ T21] slab_pre_alloc_hook+0x51/0xc0 [ 82.816644][ T21] __kmalloc_node_track_caller+0x68/0x3a0 [ 82.822378][ T21] ? __neigh_notify+0x142/0x2e0 [ 82.827240][ T21] ? __alloc_skb+0xf4/0x750 [ 82.831766][ T21] ? __neigh_notify+0x142/0x2e0 [ 82.836629][ T21] __alloc_skb+0x22c/0x750 [ 82.841068][ T21] __neigh_notify+0x142/0x2e0 [ 82.845760][ T21] neigh_cleanup_and_release+0x9d/0x250 [ 82.851493][ T21] neigh_remove_one+0x4e0/0x5e0 [ 82.856382][ T21] ___neigh_create+0x48f/0x2210 [ 82.861275][ T21] ip6_finish_output2+0x9f5/0x1530 [ 82.866426][ T21] ? nf_hook+0x360/0x360 [ 82.870690][ T21] ? ip6_mtu+0x2fb/0x3d0 [ 82.874987][ T21] ? ip6_finish_output+0x627/0x790 [ 82.880125][ T21] ndisc_send_skb+0xb7a/0x1410 [ 82.884923][ T21] ? ndisc_alloc_skb+0x420/0x420 [ 82.889881][ T21] ? rcu_lock_release+0x20/0x20 [ 82.894761][ T21] ? ndisc_send_rs+0x524/0x700 [ 82.899548][ T21] addrconf_dad_completed+0x75f/0xc80 [ 82.904944][ T21] ? addrconf_dad_stop+0x420/0x420 [ 82.910084][ T21] addrconf_dad_work+0xc83/0x1530 [ 82.915133][ T21] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 82.921134][ T21] ? rcu_lock_release+0x20/0x20 [ 82.926000][ T21] ? read_lock_is_recursive+0x10/0x10 [ 82.931388][ T21] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 82.937324][ T21] ? _raw_spin_unlock+0x40/0x40 [ 82.942215][ T21] ? _raw_spin_unlock_irq+0x1f/0x40 [ 82.947431][ T21] process_one_work+0x867/0xff0 [ 82.952323][ T21] ? worker_detach_from_pool+0x240/0x240 [ 82.957980][ T21] ? lockdep_hardirqs_off+0x70/0x100 [ 82.963279][ T21] ? _raw_spin_lock_irq+0xb7/0xf0 [ 82.968324][ T21] ? _raw_spin_lock_irqsave+0x100/0x100 [ 82.973887][ T21] ? wq_worker_running+0x97/0x170 [ 82.978932][ T21] worker_thread+0xad7/0x12a0 [ 82.983653][ T21] kthread+0x42e/0x520 [ 82.987737][ T21] ? rcu_lock_release+0x20/0x20 [ 82.992615][ T21] ? kthread_blkcg+0xd0/0xd0 [ 82.997217][ T21] ret_from_fork+0x1f/0x30 [ 83.001659][ T21] [ 83.005285][ T21] FAULT_INJECTION: forcing a failure. [ 83.005285][ T21] name failslab, interval 1, probability 1, space 0, times 972 [ 83.018101][ T21] CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted syzkaller #0 [ 83.025401][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.035472][ T21] Workqueue: ipv6_addrconf addrconf_dad_work [ 83.041494][ T21] Call Trace: [ 83.044786][ T21] [ 83.047734][ T21] dump_stack_lvl+0x188/0x250 [ 83.052429][ T21] ? verify_lock_unused+0x140/0x140 [ 83.057644][ T21] ? show_regs_print_info+0x20/0x20 [ 83.062860][ T21] ? load_image+0x410/0x410 [ 83.067392][ T21] should_fail+0x383/0x4b0 [ 83.071830][ T21] should_failslab+0x5/0x20 [ 83.076351][ T21] slab_pre_alloc_hook+0x51/0xc0 [ 83.081302][ T21] kmem_cache_alloc_node+0x47/0x2c0 [ 83.086514][ T21] ? __alloc_skb+0xf4/0x750 [ 83.091027][ T21] ? neigh_remove_one+0x4d8/0x5e0 [ 83.096070][ T21] __alloc_skb+0xf4/0x750 [ 83.100416][ T21] __neigh_notify+0x142/0x2e0 [ 83.105108][ T21] neigh_cleanup_and_release+0x9d/0x250 [ 83.110672][ T21] neigh_remove_one+0x4e0/0x5e0 [ 83.115546][ T21] ___neigh_create+0x48f/0x2210 [ 83.120432][ T21] ip6_finish_output2+0x9f5/0x1530 [ 83.125579][ T21] ? nf_hook+0x360/0x360 [ 83.129840][ T21] ? ip6_mtu+0x2fb/0x3d0 [ 83.134096][ T21] ? ip6_finish_output+0x627/0x790 [ 83.139232][ T21] ndisc_send_skb+0xb7a/0x1410 [ 83.144023][ T21] ? ndisc_alloc_skb+0x420/0x420 [ 83.149000][ T21] ? rcu_lock_release+0x20/0x20 [ 83.153879][ T21] ? ndisc_send_rs+0x524/0x700 [ 83.158668][ T21] addrconf_dad_completed+0x75f/0xc80 [ 83.164058][ T21] ? addrconf_dad_stop+0x420/0x420 [ 83.169194][ T21] addrconf_dad_work+0xc83/0x1530 [ 83.174242][ T21] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 83.180237][ T21] ? rcu_lock_release+0x20/0x20 [ 83.185103][ T21] ? read_lock_is_recursive+0x10/0x10 [ 83.190490][ T21] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 83.196396][ T21] ? _raw_spin_unlock+0x40/0x40 [ 83.201265][ T21] ? _raw_spin_unlock_irq+0x1f/0x40 [ 83.206488][ T21] process_one_work+0x867/0xff0 [ 83.211370][ T21] ? worker_detach_from_pool+0x240/0x240 [ 83.217015][ T21] ? lockdep_hardirqs_off+0x70/0x100 [ 83.222319][ T21] ? _raw_spin_lock_irq+0xb7/0xf0 [ 83.227362][ T21] ? _raw_spin_lock_irqsave+0x100/0x100 [ 83.232930][ T21] ? wq_worker_running+0x97/0x170 [ 83.237992][ T21] worker_thread+0xad7/0x12a0 [ 83.242713][ T21] kthread+0x42e/0x520 [ 83.246798][ T21] ? rcu_lock_release+0x20/0x20 [ 83.251663][ T21] ? kthread_blkcg+0xd0/0xd0 [ 83.256269][ T21] ret_from_fork+0x1f/0x30 [ 83.260721][ T21] [ 83.267480][ C0] FAULT_INJECTION: forcing a failure. [ 83.267480][ C0] name failslab, interval 1, probability 1, space 0, times 971 [ 83.280311][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 83.287785][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.297855][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 83.304121][ C0] Call Trace: [ 83.307413][ C0] [ 83.310270][ C0] dump_stack_lvl+0x188/0x250 [ 83.314966][ C0] ? cfg80211_wiphy_work+0x224/0x260 [ 83.320270][ C0] ? worker_thread+0xad7/0x12a0 [ 83.325138][ C0] ? show_regs_print_info+0x20/0x20 [ 83.330355][ C0] ? load_image+0x410/0x410 [ 83.334873][ C0] ? prandom_u32+0x217/0x250 [ 83.339486][ C0] should_fail+0x383/0x4b0 [ 83.343929][ C0] should_failslab+0x5/0x20 [ 83.348484][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 83.353451][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 83.359194][ C0] ? __neigh_notify+0x142/0x2e0 [ 83.364060][ C0] ? __alloc_skb+0xf4/0x750 [ 83.368578][ C0] ? __neigh_notify+0x142/0x2e0 [ 83.373451][ C0] __alloc_skb+0x22c/0x750 [ 83.377896][ C0] __neigh_notify+0x142/0x2e0 [ 83.382595][ C0] neigh_cleanup_and_release+0x9d/0x250 [ 83.388159][ C0] neigh_remove_one+0x4e0/0x5e0 [ 83.393028][ C0] ___neigh_create+0x48f/0x2210 [ 83.397913][ C0] ip6_finish_output2+0x9f5/0x1530 [ 83.403052][ C0] ? nf_hook+0x360/0x360 [ 83.407313][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 83.411574][ C0] ? ip6_finish_output+0x627/0x790 [ 83.416716][ C0] ndisc_send_skb+0xb7a/0x1410 [ 83.421524][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 83.426529][ C0] ? rcu_lock_release+0x20/0x20 [ 83.431411][ C0] ? ndisc_send_rs+0x305/0x700 [ 83.436189][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 83.441146][ C0] addrconf_rs_timer+0x367/0x640 [ 83.446096][ C0] ? detach_timer+0x33/0x2b0 [ 83.450708][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.456796][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.462886][ C0] call_timer_fn+0x17b/0x540 [ 83.467502][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.473584][ C0] ? __run_timers+0x810/0x810 [ 83.478282][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 83.483492][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 83.488730][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.494814][ C0] __run_timers+0x56c/0x810 [ 83.499353][ C0] ? detach_timer+0x2b0/0x2b0 [ 83.504041][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 83.510041][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 83.514904][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 83.521165][ C0] run_timer_softirq+0x63/0xf0 [ 83.525945][ C0] handle_softirqs+0x336/0x830 [ 83.530732][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 83.535597][ C0] ? do_softirq+0x210/0x210 [ 83.540118][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 83.545274][ C0] __irq_exit_rcu+0x13b/0x230 [ 83.549966][ C0] ? irq_exit_rcu+0x20/0x20 [ 83.554489][ C0] irq_exit_rcu+0x5/0x20 [ 83.558740][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 83.564390][ C0] [ 83.567330][ C0] [ 83.570274][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 83.576266][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 83.582367][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 83.602009][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 83.608103][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 83.616092][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 83.624077][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 83.632063][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 83.640045][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 83.648040][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 83.653692][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 83.659158][ C0] dump_stack_lvl+0x161/0x250 [ 83.663849][ C0] ? show_regs_print_info+0x20/0x20 [ 83.669057][ C0] ? load_image+0x410/0x410 [ 83.673601][ C0] should_fail+0x383/0x4b0 [ 83.678037][ C0] should_failslab+0x5/0x20 [ 83.682556][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 83.687507][ C0] __kmalloc+0x6b/0x340 [ 83.691673][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 83.697624][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 83.703379][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 83.708418][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 83.714504][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 83.720167][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 83.725384][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 83.731214][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 83.737403][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 83.743137][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 83.749045][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 83.754258][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 83.760175][ C0] ? _raw_spin_unlock+0x40/0x40 [ 83.765043][ C0] ? kcov_remote_start+0x6a/0x490 [ 83.770090][ C0] ? kcov_remote_start+0xfa/0x490 [ 83.775133][ C0] ieee80211_iface_work+0x714/0xc50 [ 83.780372][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 83.785587][ C0] cfg80211_wiphy_work+0x224/0x260 [ 83.790719][ C0] process_one_work+0x867/0xff0 [ 83.795597][ C0] ? worker_detach_from_pool+0x240/0x240 [ 83.801246][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 83.806563][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 83.811613][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 83.817192][ C0] ? wq_worker_running+0x97/0x170 [ 83.822241][ C0] worker_thread+0xad7/0x12a0 [ 83.826964][ C0] kthread+0x42e/0x520 [ 83.831052][ C0] ? rcu_lock_release+0x20/0x20 [ 83.835920][ C0] ? kthread_blkcg+0xd0/0xd0 [ 83.840527][ C0] ret_from_fork+0x1f/0x30 [ 83.844968][ C0] [ 83.849076][ C1] FAULT_INJECTION: forcing a failure. [ 83.849076][ C1] name failslab, interval 1, probability 1, space 0, times 970 [ 83.861883][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 83.869181][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.879248][ C1] Call Trace: [ 83.882547][ C1] [ 83.885500][ C1] dump_stack_lvl+0x188/0x250 [ 83.890210][ C1] ? verify_lock_unused+0x140/0x140 [ 83.895426][ C1] ? show_regs_print_info+0x20/0x20 [ 83.900643][ C1] ? load_image+0x410/0x410 [ 83.905174][ C1] should_fail+0x383/0x4b0 [ 83.909649][ C1] should_failslab+0x5/0x20 [ 83.914169][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 83.919136][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 83.924388][ C1] ? __alloc_skb+0xf4/0x750 [ 83.928902][ C1] ? neigh_remove_one+0x4d8/0x5e0 [ 83.933957][ C1] __alloc_skb+0xf4/0x750 [ 83.938307][ C1] __neigh_notify+0x142/0x2e0 [ 83.943008][ C1] neigh_cleanup_and_release+0x9d/0x250 [ 83.948566][ C1] neigh_remove_one+0x4e0/0x5e0 [ 83.953446][ C1] ___neigh_create+0x48f/0x2210 [ 83.958333][ C1] ip6_finish_output2+0x9f5/0x1530 [ 83.963470][ C1] ? nf_hook+0x360/0x360 [ 83.967729][ C1] ? ip6_mtu+0x2fb/0x3d0 [ 83.971989][ C1] ? ip6_finish_output+0x627/0x790 [ 83.977128][ C1] ndisc_send_skb+0xb7a/0x1410 [ 83.981920][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 83.986879][ C1] ? rcu_lock_release+0x20/0x20 [ 83.991777][ C1] ? memset+0x1e/0x40 [ 83.995777][ C1] ? ndisc_send_rs+0x524/0x700 [ 84.000570][ C1] addrconf_rs_timer+0x367/0x640 [ 84.005545][ C1] ? detach_timer+0x33/0x2b0 [ 84.010166][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.016260][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.022354][ C1] call_timer_fn+0x17b/0x540 [ 84.026976][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.033063][ C1] ? __run_timers+0x810/0x810 [ 84.037772][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.042988][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 84.048200][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.054285][ C1] __run_timers+0x56c/0x810 [ 84.058817][ C1] ? detach_timer+0x2b0/0x2b0 [ 84.063521][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.069521][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 84.074425][ C1] run_timer_softirq+0x63/0xf0 [ 84.079205][ C1] handle_softirqs+0x336/0x830 [ 84.084516][ C1] ? run_ksoftirqd+0xa4/0x100 [ 84.089230][ C1] ? do_softirq+0x210/0x210 [ 84.093761][ C1] ? run_ksoftirqd+0x81/0x100 [ 84.098460][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.103727][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 84.109049][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.114276][ C1] run_ksoftirqd+0xa4/0x100 [ 84.118800][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.124015][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 84.129407][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 84.134548][ C1] smpboot_thread_fn+0x520/0x990 [ 84.139510][ C1] kthread+0x42e/0x520 [ 84.143612][ C1] ? cpu_report_death+0x180/0x180 [ 84.148647][ C1] ? kthread_blkcg+0xd0/0xd0 [ 84.153249][ C1] ret_from_fork+0x1f/0x30 [ 84.157698][ C1] [ 84.162003][ C1] FAULT_INJECTION: forcing a failure. [ 84.162003][ C1] name failslab, interval 1, probability 1, space 0, times 969 [ 84.174819][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 84.182119][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.192188][ C1] Call Trace: [ 84.195480][ C1] [ 84.198420][ C1] dump_stack_lvl+0x188/0x250 [ 84.203116][ C1] ? show_regs_print_info+0x20/0x20 [ 84.208333][ C1] ? load_image+0x410/0x410 [ 84.212884][ C1] ? prandom_u32+0x217/0x250 [ 84.217503][ C1] should_fail+0x383/0x4b0 [ 84.221945][ C1] should_failslab+0x5/0x20 [ 84.226464][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 84.231443][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 84.237176][ C1] ? __neigh_notify+0x142/0x2e0 [ 84.242046][ C1] ? __alloc_skb+0xf4/0x750 [ 84.246566][ C1] ? __neigh_notify+0x142/0x2e0 [ 84.251446][ C1] __alloc_skb+0x22c/0x750 [ 84.255884][ C1] __neigh_notify+0x142/0x2e0 [ 84.260586][ C1] neigh_cleanup_and_release+0x9d/0x250 [ 84.266160][ C1] neigh_remove_one+0x4e0/0x5e0 [ 84.271030][ C1] ___neigh_create+0x48f/0x2210 [ 84.275915][ C1] ip6_finish_output2+0x9f5/0x1530 [ 84.281082][ C1] ? nf_hook+0x360/0x360 [ 84.285348][ C1] ? ip6_mtu+0x2fb/0x3d0 [ 84.289604][ C1] ? ip6_finish_output+0x627/0x790 [ 84.294752][ C1] ndisc_send_skb+0xb7a/0x1410 [ 84.299550][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 84.304504][ C1] ? rcu_lock_release+0x20/0x20 [ 84.309406][ C1] ? memset+0x1e/0x40 [ 84.313407][ C1] ? ndisc_send_rs+0x524/0x700 [ 84.318192][ C1] addrconf_rs_timer+0x367/0x640 [ 84.323153][ C1] ? detach_timer+0x33/0x2b0 [ 84.327768][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.333860][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.339951][ C1] call_timer_fn+0x17b/0x540 [ 84.344565][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.350653][ C1] ? __run_timers+0x810/0x810 [ 84.355359][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.360571][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 84.365786][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.371910][ C1] __run_timers+0x56c/0x810 [ 84.376446][ C1] ? detach_timer+0x2b0/0x2b0 [ 84.381149][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.387148][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 84.392021][ C1] run_timer_softirq+0x63/0xf0 [ 84.396802][ C1] handle_softirqs+0x336/0x830 [ 84.401587][ C1] ? run_ksoftirqd+0xa4/0x100 [ 84.406283][ C1] ? do_softirq+0x210/0x210 [ 84.410799][ C1] ? run_ksoftirqd+0x81/0x100 [ 84.415504][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.420716][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 84.426025][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.431247][ C1] run_ksoftirqd+0xa4/0x100 [ 84.435783][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.441008][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 84.446407][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 84.451563][ C1] smpboot_thread_fn+0x520/0x990 [ 84.456531][ C1] kthread+0x42e/0x520 [ 84.460620][ C1] ? cpu_report_death+0x180/0x180 [ 84.465658][ C1] ? kthread_blkcg+0xd0/0xd0 [ 84.470264][ C1] ret_from_fork+0x1f/0x30 [ 84.474714][ C1] [ 84.479228][ C1] FAULT_INJECTION: forcing a failure. [ 84.479228][ C1] name failslab, interval 1, probability 1, space 0, times 968 [ 84.482001][ C0] FAULT_INJECTION: forcing a failure. [ 84.482001][ C0] name failslab, interval 1, probability 1, space 0, times 968 [ 84.492055][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 84.512110][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.522191][ C1] Call Trace: [ 84.525500][ C1] [ 84.528447][ C1] dump_stack_lvl+0x188/0x250 [ 84.533157][ C1] ? show_regs_print_info+0x20/0x20 [ 84.538380][ C1] ? load_image+0x410/0x410 [ 84.542905][ C1] ? prandom_u32+0x217/0x250 [ 84.547524][ C1] should_fail+0x383/0x4b0 [ 84.551966][ C1] should_failslab+0x5/0x20 [ 84.556488][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 84.561449][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 84.566665][ C1] ? __alloc_skb+0xf4/0x750 [ 84.571217][ C1] __alloc_skb+0xf4/0x750 [ 84.575572][ C1] ndisc_alloc_skb+0xa6/0x420 [ 84.580278][ C1] ndisc_send_rs+0x271/0x700 [ 84.584888][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 84.589846][ C1] addrconf_rs_timer+0x367/0x640 [ 84.594801][ C1] ? detach_timer+0x33/0x2b0 [ 84.599424][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.605512][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.611622][ C1] call_timer_fn+0x17b/0x540 [ 84.616245][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.622594][ C1] ? __run_timers+0x810/0x810 [ 84.627331][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.632578][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 84.637793][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.643884][ C1] __run_timers+0x56c/0x810 [ 84.648423][ C1] ? detach_timer+0x2b0/0x2b0 [ 84.653114][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.659117][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 84.663998][ C1] run_timer_softirq+0x63/0xf0 [ 84.668788][ C1] handle_softirqs+0x336/0x830 [ 84.673585][ C1] ? run_ksoftirqd+0xa4/0x100 [ 84.678284][ C1] ? do_softirq+0x210/0x210 [ 84.682816][ C1] ? run_ksoftirqd+0x81/0x100 [ 84.687513][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.692726][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 84.698030][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.703244][ C1] run_ksoftirqd+0xa4/0x100 [ 84.707893][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 84.713125][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 84.718517][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 84.723648][ C1] smpboot_thread_fn+0x520/0x990 [ 84.728618][ C1] kthread+0x42e/0x520 [ 84.732701][ C1] ? cpu_report_death+0x180/0x180 [ 84.737743][ C1] ? kthread_blkcg+0xd0/0xd0 [ 84.742357][ C1] ret_from_fork+0x1f/0x30 [ 84.746811][ C1] [ 84.749849][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 84.757339][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.767420][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 84.773687][ C0] Call Trace: [ 84.776978][ C0] [ 84.779838][ C0] dump_stack_lvl+0x188/0x250 [ 84.784531][ C0] ? cfg80211_wiphy_work+0x224/0x260 [ 84.789836][ C0] ? worker_thread+0xad7/0x12a0 [ 84.794701][ C0] ? show_regs_print_info+0x20/0x20 [ 84.799922][ C0] ? load_image+0x410/0x410 [ 84.804457][ C0] ? prandom_u32+0x217/0x250 [ 84.809085][ C0] should_fail+0x383/0x4b0 [ 84.813522][ C0] should_failslab+0x5/0x20 [ 84.818044][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 84.823003][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 84.828734][ C0] ? __neigh_notify+0x142/0x2e0 [ 84.833608][ C0] ? __alloc_skb+0xf4/0x750 [ 84.838144][ C0] ? __neigh_notify+0x142/0x2e0 [ 84.843036][ C0] __alloc_skb+0x22c/0x750 [ 84.847476][ C0] __neigh_notify+0x142/0x2e0 [ 84.852173][ C0] neigh_cleanup_and_release+0x9d/0x250 [ 84.857752][ C0] neigh_remove_one+0x4e0/0x5e0 [ 84.862626][ C0] ___neigh_create+0x48f/0x2210 [ 84.867506][ C0] ip6_finish_output2+0x9f5/0x1530 [ 84.872638][ C0] ? nf_hook+0x360/0x360 [ 84.876894][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 84.881152][ C0] ? ip6_finish_output+0x627/0x790 [ 84.886283][ C0] ndisc_send_skb+0xb7a/0x1410 [ 84.891072][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 84.896028][ C0] ? rcu_lock_release+0x20/0x20 [ 84.900907][ C0] ? ndisc_send_rs+0x305/0x700 [ 84.905690][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 84.910643][ C0] addrconf_rs_timer+0x367/0x640 [ 84.915704][ C0] ? detach_timer+0x33/0x2b0 [ 84.920319][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.926401][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.932487][ C0] call_timer_fn+0x17b/0x540 [ 84.937096][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.943182][ C0] ? __run_timers+0x810/0x810 [ 84.947879][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.953092][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 84.958307][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.964394][ C0] __run_timers+0x56c/0x810 [ 84.968929][ C0] ? detach_timer+0x2b0/0x2b0 [ 84.973622][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.979630][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 84.984498][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 84.990761][ C0] run_timer_softirq+0x63/0xf0 [ 84.995540][ C0] handle_softirqs+0x336/0x830 [ 85.000318][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 85.005184][ C0] ? do_softirq+0x210/0x210 [ 85.009703][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 85.014846][ C0] __irq_exit_rcu+0x13b/0x230 [ 85.019550][ C0] ? irq_exit_rcu+0x20/0x20 [ 85.024089][ C0] irq_exit_rcu+0x5/0x20 [ 85.028362][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 85.034034][ C0] [ 85.036985][ C0] [ 85.039936][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 85.045940][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 85.052068][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 85.071689][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 85.077776][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 85.085757][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 85.093742][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 85.101726][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 85.109714][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 85.117709][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 85.123363][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 85.128838][ C0] dump_stack_lvl+0x161/0x250 [ 85.133532][ C0] ? show_regs_print_info+0x20/0x20 [ 85.138744][ C0] ? load_image+0x410/0x410 [ 85.143275][ C0] should_fail+0x383/0x4b0 [ 85.147743][ C0] should_failslab+0x5/0x20 [ 85.152263][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 85.157265][ C0] __kmalloc+0x6b/0x340 [ 85.161445][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 85.167378][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 85.173125][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 85.178165][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 85.184251][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 85.189912][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 85.195134][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 85.200957][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 85.207152][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 85.212884][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 85.218797][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 85.224008][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 85.229923][ C0] ? _raw_spin_unlock+0x40/0x40 [ 85.234796][ C0] ? kcov_remote_start+0x6a/0x490 [ 85.239840][ C0] ? kcov_remote_start+0xfa/0x490 [ 85.244902][ C0] ieee80211_iface_work+0x714/0xc50 [ 85.250122][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.255339][ C0] cfg80211_wiphy_work+0x224/0x260 [ 85.260495][ C0] process_one_work+0x867/0xff0 [ 85.265370][ C0] ? worker_detach_from_pool+0x240/0x240 [ 85.271018][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 85.276323][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 85.281365][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 85.286923][ C0] ? wq_worker_running+0x97/0x170 [ 85.291983][ C0] worker_thread+0xad7/0x12a0 [ 85.296698][ C0] kthread+0x42e/0x520 [ 85.300780][ C0] ? rcu_lock_release+0x20/0x20 [ 85.305643][ C0] ? kthread_blkcg+0xd0/0xd0 [ 85.310252][ C0] ret_from_fork+0x1f/0x30 [ 85.314697][ C0] [ 85.318450][ C0] FAULT_INJECTION: forcing a failure. [ 85.318450][ C0] name failslab, interval 1, probability 1, space 0, times 966 [ 85.331302][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 85.338801][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.344787][ C1] FAULT_INJECTION: forcing a failure. [ 85.344787][ C1] name failslab, interval 1, probability 1, space 0, times 966 [ 85.348889][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 85.367911][ C0] Call Trace: [ 85.371212][ C0] [ 85.374071][ C0] dump_stack_lvl+0x188/0x250 [ 85.378773][ C0] ? show_regs_print_info+0x20/0x20 [ 85.383990][ C0] ? load_image+0x410/0x410 [ 85.388540][ C0] ? prandom_u32+0x217/0x250 [ 85.393157][ C0] should_fail+0x383/0x4b0 [ 85.397594][ C0] should_failslab+0x5/0x20 [ 85.402124][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 85.407083][ C0] __kmalloc+0x6b/0x340 [ 85.411249][ C0] ? ___neigh_create+0x6fa/0x2210 [ 85.416290][ C0] ? rcu_lockdep_current_cpu_online+0x35/0x130 [ 85.422474][ C0] ___neigh_create+0x6fa/0x2210 [ 85.427358][ C0] ip6_finish_output2+0x9f5/0x1530 [ 85.432498][ C0] ? nf_hook+0x360/0x360 [ 85.436761][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 85.441020][ C0] ? ip6_finish_output+0x627/0x790 [ 85.446158][ C0] ndisc_send_skb+0xb7a/0x1410 [ 85.450954][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 85.455913][ C0] ? rcu_lock_release+0x20/0x20 [ 85.460796][ C0] ? ndisc_send_rs+0x524/0x700 [ 85.465588][ C0] addrconf_rs_timer+0x367/0x640 [ 85.470542][ C0] ? detach_timer+0x33/0x2b0 [ 85.475152][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.481242][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.487340][ C0] call_timer_fn+0x17b/0x540 [ 85.491963][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.498056][ C0] ? __run_timers+0x810/0x810 [ 85.502770][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.507982][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 85.513207][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.519293][ C0] __run_timers+0x56c/0x810 [ 85.523827][ C0] ? detach_timer+0x2b0/0x2b0 [ 85.528515][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 85.534527][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 85.539392][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 85.545651][ C0] run_timer_softirq+0x63/0xf0 [ 85.550437][ C0] handle_softirqs+0x336/0x830 [ 85.555241][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 85.560110][ C0] ? do_softirq+0x210/0x210 [ 85.564631][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 85.569767][ C0] __irq_exit_rcu+0x13b/0x230 [ 85.574460][ C0] ? irq_exit_rcu+0x20/0x20 [ 85.578993][ C0] irq_exit_rcu+0x5/0x20 [ 85.583253][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 85.588908][ C0] [ 85.591864][ C0] [ 85.594815][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 85.600834][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 85.606924][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 85.626570][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 85.632659][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 85.640650][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 85.648636][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 85.656626][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 85.664615][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 85.672610][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 85.678272][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 85.683775][ C0] dump_stack_lvl+0x161/0x250 [ 85.688494][ C0] ? show_regs_print_info+0x20/0x20 [ 85.693720][ C0] ? load_image+0x410/0x410 [ 85.698265][ C0] should_fail+0x383/0x4b0 [ 85.702732][ C0] should_failslab+0x5/0x20 [ 85.707268][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 85.712236][ C0] __kmalloc+0x6b/0x340 [ 85.716429][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 85.722368][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 85.728142][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 85.733190][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 85.739286][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 85.744950][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 85.750189][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 85.756013][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 85.762207][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 85.767938][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 85.773886][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 85.779099][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 85.785009][ C0] ? _raw_spin_unlock+0x40/0x40 [ 85.789900][ C0] ? kcov_remote_start+0x6a/0x490 [ 85.794950][ C0] ? kcov_remote_start+0xfa/0x490 [ 85.799991][ C0] ieee80211_iface_work+0x714/0xc50 [ 85.805206][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.810449][ C0] cfg80211_wiphy_work+0x224/0x260 [ 85.815578][ C0] process_one_work+0x867/0xff0 [ 85.820455][ C0] ? worker_detach_from_pool+0x240/0x240 [ 85.826102][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 85.831408][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 85.836445][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 85.842012][ C0] ? wq_worker_running+0x97/0x170 [ 85.847059][ C0] worker_thread+0xad7/0x12a0 [ 85.851781][ C0] kthread+0x42e/0x520 [ 85.855863][ C0] ? rcu_lock_release+0x20/0x20 [ 85.860743][ C0] ? kthread_blkcg+0xd0/0xd0 [ 85.865347][ C0] ret_from_fork+0x1f/0x30 [ 85.869796][ C0] [ 85.872831][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 85.877361][ C0] FAULT_INJECTION: forcing a failure. [ 85.877361][ C0] name failslab, interval 1, probability 1, space 0, times 965 [ 85.880155][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.903060][ C1] Call Trace: [ 85.906365][ C1] [ 85.909324][ C1] dump_stack_lvl+0x188/0x250 [ 85.914027][ C1] ? show_regs_print_info+0x20/0x20 [ 85.919245][ C1] ? load_image+0x410/0x410 [ 85.923773][ C1] should_fail+0x383/0x4b0 [ 85.928212][ C1] should_failslab+0x5/0x20 [ 85.932736][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 85.937691][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 85.943425][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 85.948295][ C1] ? __alloc_skb+0xf4/0x750 [ 85.952815][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 85.957678][ C1] __alloc_skb+0x22c/0x750 [ 85.962146][ C1] ndisc_alloc_skb+0xa6/0x420 [ 85.966844][ C1] ndisc_send_rs+0x271/0x700 [ 85.971457][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 85.976415][ C1] addrconf_rs_timer+0x367/0x640 [ 85.981373][ C1] ? detach_timer+0x33/0x2b0 [ 85.985981][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.992070][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.998163][ C1] call_timer_fn+0x17b/0x540 [ 86.002778][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.008869][ C1] ? __run_timers+0x810/0x810 [ 86.013576][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 86.018792][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 86.024006][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.030096][ C1] __run_timers+0x56c/0x810 [ 86.034630][ C1] ? detach_timer+0x2b0/0x2b0 [ 86.039327][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.045333][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 86.050217][ C1] run_timer_softirq+0x63/0xf0 [ 86.054999][ C1] handle_softirqs+0x336/0x830 [ 86.059790][ C1] ? run_ksoftirqd+0xa4/0x100 [ 86.064489][ C1] ? do_softirq+0x210/0x210 [ 86.069021][ C1] ? run_ksoftirqd+0x81/0x100 [ 86.073709][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 86.078921][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 86.084228][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 86.089441][ C1] run_ksoftirqd+0xa4/0x100 [ 86.093975][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 86.099222][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 86.104617][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 86.109746][ C1] smpboot_thread_fn+0x520/0x990 [ 86.114714][ C1] kthread+0x42e/0x520 [ 86.118798][ C1] ? cpu_report_death+0x180/0x180 [ 86.123841][ C1] ? kthread_blkcg+0xd0/0xd0 [ 86.128455][ C1] ret_from_fork+0x1f/0x30 [ 86.132902][ C1] [ 86.135958][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 86.137862][ C1] FAULT_INJECTION: forcing a failure. [ 86.137862][ C1] name failslab, interval 1, probability 1, space 0, times 964 [ 86.143442][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.143458][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 86.172541][ C0] Call Trace: [ 86.175832][ C0] [ 86.178693][ C0] dump_stack_lvl+0x188/0x250 [ 86.183417][ C0] ? show_regs_print_info+0x20/0x20 [ 86.188633][ C0] ? load_image+0x410/0x410 [ 86.193158][ C0] ? prandom_u32+0x217/0x250 [ 86.197768][ C0] should_fail+0x383/0x4b0 [ 86.202205][ C0] should_failslab+0x5/0x20 [ 86.206726][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 86.211681][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 86.216911][ C0] ? __alloc_skb+0xf4/0x750 [ 86.221435][ C0] __alloc_skb+0xf4/0x750 [ 86.225806][ C0] ndisc_alloc_skb+0xa6/0x420 [ 86.230515][ C0] ndisc_send_rs+0x271/0x700 [ 86.235127][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 86.240090][ C0] addrconf_rs_timer+0x367/0x640 [ 86.245048][ C0] ? detach_timer+0x33/0x2b0 [ 86.249658][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.255751][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.261840][ C0] call_timer_fn+0x17b/0x540 [ 86.266451][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.272537][ C0] ? __run_timers+0x810/0x810 [ 86.277237][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 86.282448][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 86.287666][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.293792][ C0] __run_timers+0x56c/0x810 [ 86.298332][ C0] ? detach_timer+0x2b0/0x2b0 [ 86.303024][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.309027][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 86.313893][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 86.320158][ C0] run_timer_softirq+0x63/0xf0 [ 86.324946][ C0] handle_softirqs+0x336/0x830 [ 86.329730][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 86.334597][ C0] ? do_softirq+0x210/0x210 [ 86.339119][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 86.344251][ C0] __irq_exit_rcu+0x13b/0x230 [ 86.348939][ C0] ? irq_exit_rcu+0x20/0x20 [ 86.353470][ C0] irq_exit_rcu+0x5/0x20 [ 86.357729][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 86.363381][ C0] [ 86.366322][ C0] [ 86.369278][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 86.375273][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 86.381357][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 86.400972][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 86.407067][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 86.415099][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 86.423214][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 86.431201][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 86.439188][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 86.447183][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 86.452842][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 86.458317][ C0] dump_stack_lvl+0x161/0x250 [ 86.463015][ C0] ? show_regs_print_info+0x20/0x20 [ 86.468267][ C0] ? load_image+0x410/0x410 [ 86.472820][ C0] should_fail+0x383/0x4b0 [ 86.477282][ C0] should_failslab+0x5/0x20 [ 86.481796][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 86.486768][ C0] __kmalloc+0x6b/0x340 [ 86.490940][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 86.496855][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 86.502609][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 86.507655][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 86.513743][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 86.519406][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 86.524654][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 86.530595][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 86.536784][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 86.542522][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 86.548432][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 86.553646][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 86.559688][ C0] ? _raw_spin_unlock+0x40/0x40 [ 86.564561][ C0] ? kcov_remote_start+0x6a/0x490 [ 86.569705][ C0] ? kcov_remote_start+0xfa/0x490 [ 86.574755][ C0] ieee80211_iface_work+0x714/0xc50 [ 86.579979][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 86.585194][ C0] cfg80211_wiphy_work+0x224/0x260 [ 86.590334][ C0] process_one_work+0x867/0xff0 [ 86.595210][ C0] ? worker_detach_from_pool+0x240/0x240 [ 86.600859][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 86.606182][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 86.611221][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 86.616813][ C0] ? wq_worker_running+0x97/0x170 [ 86.621858][ C0] worker_thread+0xad7/0x12a0 [ 86.626587][ C0] kthread+0x42e/0x520 [ 86.630719][ C0] ? rcu_lock_release+0x20/0x20 [ 86.635606][ C0] ? kthread_blkcg+0xd0/0xd0 [ 86.640238][ C0] ret_from_fork+0x1f/0x30 [ 86.644714][ C0] [ 86.647754][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 86.655072][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.655434][ C0] FAULT_INJECTION: forcing a failure. [ 86.655434][ C0] name failslab, interval 1, probability 1, space 0, times 963 [ 86.665157][ C1] Call Trace: [ 86.665167][ C1] [ 86.665176][ C1] dump_stack_lvl+0x188/0x250 [ 86.665216][ C1] ? show_regs_print_info+0x20/0x20 [ 86.694131][ C1] ? load_image+0x410/0x410 [ 86.698668][ C1] ? prandom_u32+0x217/0x250 [ 86.703297][ C1] should_fail+0x383/0x4b0 [ 86.707735][ C1] should_failslab+0x5/0x20 [ 86.712251][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 86.717247][ C1] kmem_cache_alloc_trace+0x47/0x290 [ 86.722554][ C1] ? dst_cow_metrics_generic+0x52/0x1b0 [ 86.728127][ C1] dst_cow_metrics_generic+0x52/0x1b0 [ 86.733532][ C1] icmp6_dst_alloc+0x2ca/0x470 [ 86.738322][ C1] ndisc_send_skb+0x3d1/0x1410 [ 86.743113][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 86.748086][ C1] ? ndisc_send_rs+0x524/0x700 [ 86.752873][ C1] addrconf_rs_timer+0x367/0x640 [ 86.757827][ C1] ? detach_timer+0x33/0x2b0 [ 86.762435][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.768536][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.774643][ C1] call_timer_fn+0x17b/0x540 [ 86.779259][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.785351][ C1] ? __run_timers+0x810/0x810 [ 86.790053][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 86.795403][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 86.800628][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.806742][ C1] __run_timers+0x56c/0x810 [ 86.811297][ C1] ? detach_timer+0x2b0/0x2b0 [ 86.816001][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.822023][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 86.826900][ C1] run_timer_softirq+0x63/0xf0 [ 86.831687][ C1] handle_softirqs+0x336/0x830 [ 86.836469][ C1] ? run_ksoftirqd+0xa4/0x100 [ 86.841174][ C1] ? do_softirq+0x210/0x210 [ 86.845696][ C1] ? run_ksoftirqd+0x81/0x100 [ 86.850388][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 86.855602][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 86.860904][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 86.866121][ C1] run_ksoftirqd+0xa4/0x100 [ 86.870643][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 86.875858][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 86.881247][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 86.886375][ C1] smpboot_thread_fn+0x520/0x990 [ 86.891341][ C1] kthread+0x42e/0x520 [ 86.895449][ C1] ? cpu_report_death+0x180/0x180 [ 86.900514][ C1] ? kthread_blkcg+0xd0/0xd0 [ 86.905119][ C1] ret_from_fork+0x1f/0x30 [ 86.909565][ C1] [ 86.912619][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 86.914829][ C1] FAULT_INJECTION: forcing a failure. [ 86.914829][ C1] name failslab, interval 1, probability 1, space 0, times 962 [ 86.920105][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.942956][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 86.949224][ C0] Call Trace: [ 86.952524][ C0] [ 86.955386][ C0] dump_stack_lvl+0x188/0x250 [ 86.960087][ C0] ? ret_from_fork+0x1f/0x30 [ 86.964705][ C0] ? show_regs_print_info+0x20/0x20 [ 86.969946][ C0] ? load_image+0x410/0x410 [ 86.974476][ C0] ? prandom_u32+0x217/0x250 [ 86.979093][ C0] should_fail+0x383/0x4b0 [ 86.983548][ C0] should_failslab+0x5/0x20 [ 86.988068][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 86.993025][ C0] ? __debug_object_init+0x8a1/0xc80 [ 86.998328][ C0] kmem_cache_alloc+0x3d/0x280 [ 87.003113][ C0] __debug_object_init+0x8a1/0xc80 [ 87.008245][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 87.013923][ C0] ? dump_stack_lvl+0x161/0x250 [ 87.018794][ C0] ? should_fail+0x383/0x4b0 [ 87.023403][ C0] ? should_failslab+0x5/0x20 [ 87.028101][ C0] ? slab_pre_alloc_hook+0x51/0xc0 [ 87.033230][ C0] ? ieee80211_iface_work+0x714/0xc50 [ 87.038632][ C0] ? debug_object_init+0x10/0x10 [ 87.043581][ C0] ? memset+0x1e/0x40 [ 87.047630][ C0] ? lockdep_softirqs_off+0x430/0x430 [ 87.053035][ C0] ? neigh_release+0x80/0x80 [ 87.057640][ C0] init_timer_key+0x3d/0x2a0 [ 87.062252][ C0] ___neigh_create+0x9ee/0x2210 [ 87.067148][ C0] ip6_finish_output2+0x9f5/0x1530 [ 87.072288][ C0] ? nf_hook+0x360/0x360 [ 87.076548][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 87.080802][ C0] ? ip6_finish_output+0x627/0x790 [ 87.085938][ C0] ndisc_send_skb+0xb7a/0x1410 [ 87.090734][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 87.095691][ C0] ? rcu_lock_release+0x20/0x20 [ 87.100570][ C0] ? ndisc_send_rs+0x524/0x700 [ 87.105356][ C0] addrconf_rs_timer+0x367/0x640 [ 87.110311][ C0] ? detach_timer+0x33/0x2b0 [ 87.114925][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.121012][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.127091][ C0] call_timer_fn+0x17b/0x540 [ 87.131697][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.137791][ C0] ? __run_timers+0x810/0x810 [ 87.142491][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 87.147730][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 87.152968][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.159057][ C0] __run_timers+0x56c/0x810 [ 87.163594][ C0] ? detach_timer+0x2b0/0x2b0 [ 87.168285][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 87.174287][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 87.179156][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 87.185423][ C0] run_timer_softirq+0x63/0xf0 [ 87.190229][ C0] handle_softirqs+0x336/0x830 [ 87.195024][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 87.199899][ C0] ? do_softirq+0x210/0x210 [ 87.204426][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 87.209573][ C0] __irq_exit_rcu+0x13b/0x230 [ 87.214271][ C0] ? irq_exit_rcu+0x20/0x20 [ 87.218805][ C0] irq_exit_rcu+0x5/0x20 [ 87.223058][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 87.228705][ C0] [ 87.231651][ C0] [ 87.234599][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 87.240594][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 87.246681][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 87.266335][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 87.272419][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 87.280406][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 87.288393][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 87.296377][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 87.304370][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 87.312370][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 87.318028][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 87.323505][ C0] dump_stack_lvl+0x161/0x250 [ 87.328229][ C0] ? show_regs_print_info+0x20/0x20 [ 87.333458][ C0] ? load_image+0x410/0x410 [ 87.338021][ C0] should_fail+0x383/0x4b0 [ 87.342470][ C0] should_failslab+0x5/0x20 [ 87.346993][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 87.351949][ C0] __kmalloc+0x6b/0x340 [ 87.356122][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 87.362043][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 87.367796][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 87.372842][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 87.378938][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 87.384598][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 87.389822][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 87.395652][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 87.401850][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 87.407587][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 87.413495][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 87.418716][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 87.424647][ C0] ? _raw_spin_unlock+0x40/0x40 [ 87.429512][ C0] ? kcov_remote_start+0x6a/0x490 [ 87.434562][ C0] ? kcov_remote_start+0xfa/0x490 [ 87.439605][ C0] ieee80211_iface_work+0x714/0xc50 [ 87.444826][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 87.450042][ C0] cfg80211_wiphy_work+0x224/0x260 [ 87.455203][ C0] process_one_work+0x867/0xff0 [ 87.460089][ C0] ? worker_detach_from_pool+0x240/0x240 [ 87.465736][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 87.471046][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 87.476100][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 87.481660][ C0] ? wq_worker_running+0x97/0x170 [ 87.486705][ C0] worker_thread+0xad7/0x12a0 [ 87.491430][ C0] kthread+0x42e/0x520 [ 87.495516][ C0] ? rcu_lock_release+0x20/0x20 [ 87.500382][ C0] ? kthread_blkcg+0xd0/0xd0 [ 87.504987][ C0] ret_from_fork+0x1f/0x30 [ 87.509438][ C0] [ 87.512475][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 87.519798][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.520649][ C0] FAULT_INJECTION: forcing a failure. [ 87.520649][ C0] name failslab, interval 1, probability 1, space 0, times 961 [ 87.529878][ C1] Call Trace: [ 87.529888][ C1] [ 87.529898][ C1] dump_stack_lvl+0x188/0x250 [ 87.529928][ C1] ? show_regs_print_info+0x20/0x20 [ 87.558782][ C1] ? load_image+0x410/0x410 [ 87.563327][ C1] should_fail+0x383/0x4b0 [ 87.567762][ C1] should_failslab+0x5/0x20 [ 87.572280][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 87.577243][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 87.582984][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 87.587978][ C1] ? __alloc_skb+0xf4/0x750 [ 87.592502][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 87.597372][ C1] __alloc_skb+0x22c/0x750 [ 87.601821][ C1] ndisc_alloc_skb+0xa6/0x420 [ 87.606515][ C1] ndisc_send_rs+0x271/0x700 [ 87.611139][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 87.616118][ C1] addrconf_rs_timer+0x367/0x640 [ 87.621164][ C1] ? detach_timer+0x33/0x2b0 [ 87.625772][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.631857][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.637936][ C1] call_timer_fn+0x17b/0x540 [ 87.642539][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.648616][ C1] ? __run_timers+0x810/0x810 [ 87.653318][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 87.658528][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 87.663735][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.669816][ C1] __run_timers+0x56c/0x810 [ 87.674345][ C1] ? detach_timer+0x2b0/0x2b0 [ 87.679034][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 87.685031][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 87.689902][ C1] run_timer_softirq+0x63/0xf0 [ 87.694708][ C1] handle_softirqs+0x336/0x830 [ 87.699493][ C1] ? run_ksoftirqd+0xa4/0x100 [ 87.704189][ C1] ? do_softirq+0x210/0x210 [ 87.708711][ C1] ? run_ksoftirqd+0x81/0x100 [ 87.713408][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 87.718624][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 87.723922][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 87.729133][ C1] run_ksoftirqd+0xa4/0x100 [ 87.733649][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 87.738876][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 87.744269][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 87.749401][ C1] smpboot_thread_fn+0x520/0x990 [ 87.754368][ C1] kthread+0x42e/0x520 [ 87.758535][ C1] ? cpu_report_death+0x180/0x180 [ 87.763572][ C1] ? kthread_blkcg+0xd0/0xd0 [ 87.768179][ C1] ret_from_fork+0x1f/0x30 [ 87.772618][ C1] [ 87.775646][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 87.783213][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.783973][ C1] FAULT_INJECTION: forcing a failure. [ 87.783973][ C1] name failslab, interval 1, probability 1, space 0, times 960 [ 87.793292][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 87.793336][ C0] Call Trace: [ 87.815623][ C0] [ 87.818506][ C0] dump_stack_lvl+0x188/0x250 [ 87.823204][ C0] ? ret_from_fork+0x1f/0x30 [ 87.827813][ C0] ? show_regs_print_info+0x20/0x20 [ 87.833027][ C0] ? load_image+0x410/0x410 [ 87.837547][ C0] ? prandom_u32+0x217/0x250 [ 87.842253][ C0] should_fail+0x383/0x4b0 [ 87.846776][ C0] should_failslab+0x5/0x20 [ 87.851292][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 87.856245][ C0] ? __debug_object_init+0x85d/0xc80 [ 87.861551][ C0] kmem_cache_alloc+0x3d/0x280 [ 87.866347][ C0] __debug_object_init+0x85d/0xc80 [ 87.871480][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 87.877132][ C0] ? dump_stack_lvl+0x161/0x250 [ 87.882003][ C0] ? should_fail+0x383/0x4b0 [ 87.886610][ C0] ? should_failslab+0x5/0x20 [ 87.891305][ C0] ? slab_pre_alloc_hook+0x51/0xc0 [ 87.896430][ C0] ? ieee80211_iface_work+0x714/0xc50 [ 87.901816][ C0] ? debug_object_init+0x10/0x10 [ 87.906765][ C0] ? memset+0x1e/0x40 [ 87.910771][ C0] ? lockdep_softirqs_off+0x430/0x430 [ 87.916173][ C0] ? neigh_release+0x80/0x80 [ 87.920786][ C0] init_timer_key+0x3d/0x2a0 [ 87.925397][ C0] ___neigh_create+0x9ee/0x2210 [ 87.930282][ C0] ip6_finish_output2+0x9f5/0x1530 [ 87.935423][ C0] ? nf_hook+0x360/0x360 [ 87.939681][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 87.943933][ C0] ? ip6_finish_output+0x627/0x790 [ 87.949062][ C0] ndisc_send_skb+0xb7a/0x1410 [ 87.953861][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 87.958820][ C0] ? rcu_lock_release+0x20/0x20 [ 87.963697][ C0] ? ndisc_send_rs+0x524/0x700 [ 87.968482][ C0] addrconf_rs_timer+0x367/0x640 [ 87.973438][ C0] ? detach_timer+0x33/0x2b0 [ 87.978046][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.984147][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 87.990225][ C0] call_timer_fn+0x17b/0x540 [ 87.994836][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.000919][ C0] ? __run_timers+0x810/0x810 [ 88.005620][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 88.010832][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 88.016047][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.022142][ C0] __run_timers+0x56c/0x810 [ 88.026680][ C0] ? detach_timer+0x2b0/0x2b0 [ 88.031373][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 88.037397][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 88.042262][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 88.048524][ C0] run_timer_softirq+0x63/0xf0 [ 88.053332][ C0] handle_softirqs+0x336/0x830 [ 88.058120][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 88.062993][ C0] ? do_softirq+0x210/0x210 [ 88.067517][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 88.072653][ C0] __irq_exit_rcu+0x13b/0x230 [ 88.077348][ C0] ? irq_exit_rcu+0x20/0x20 [ 88.081880][ C0] irq_exit_rcu+0x5/0x20 [ 88.086133][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 88.091780][ C0] [ 88.094726][ C0] [ 88.097672][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 88.103693][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 88.109783][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 88.129404][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 88.135487][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 88.143472][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 88.151456][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 88.159435][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 88.167553][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 88.175550][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 88.181216][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 88.186692][ C0] dump_stack_lvl+0x161/0x250 [ 88.191394][ C0] ? show_regs_print_info+0x20/0x20 [ 88.196617][ C0] ? load_image+0x410/0x410 [ 88.201148][ C0] should_fail+0x383/0x4b0 [ 88.205585][ C0] should_failslab+0x5/0x20 [ 88.210125][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 88.215077][ C0] __kmalloc+0x6b/0x340 [ 88.219245][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 88.225170][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 88.230922][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 88.235965][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 88.242060][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 88.247718][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 88.252940][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 88.258767][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 88.264956][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 88.270687][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 88.276594][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 88.281820][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 88.287728][ C0] ? _raw_spin_unlock+0x40/0x40 [ 88.292597][ C0] ? kcov_remote_start+0x6a/0x490 [ 88.297645][ C0] ? kcov_remote_start+0xfa/0x490 [ 88.302694][ C0] ieee80211_iface_work+0x714/0xc50 [ 88.307920][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 88.313132][ C0] cfg80211_wiphy_work+0x224/0x260 [ 88.318263][ C0] process_one_work+0x867/0xff0 [ 88.323139][ C0] ? worker_detach_from_pool+0x240/0x240 [ 88.328785][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 88.334090][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 88.339132][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 88.344697][ C0] ? wq_worker_running+0x97/0x170 [ 88.349743][ C0] worker_thread+0xad7/0x12a0 [ 88.354458][ C0] kthread+0x42e/0x520 [ 88.358545][ C0] ? rcu_lock_release+0x20/0x20 [ 88.363414][ C0] ? kthread_blkcg+0xd0/0xd0 [ 88.368018][ C0] ret_from_fork+0x1f/0x30 [ 88.372474][ C0] [ 88.375505][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 88.382829][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.388077][ C0] FAULT_INJECTION: forcing a failure. [ 88.388077][ C0] name failslab, interval 1, probability 1, space 0, times 959 [ 88.392910][ C1] Call Trace: [ 88.392919][ C1] [ 88.392929][ C1] dump_stack_lvl+0x188/0x250 [ 88.392957][ C1] ? verify_lock_unused+0x140/0x140 [ 88.421856][ C1] ? show_regs_print_info+0x20/0x20 [ 88.427080][ C1] ? load_image+0x410/0x410 [ 88.431620][ C1] ? prandom_u32+0x217/0x250 [ 88.436231][ C1] should_fail+0x383/0x4b0 [ 88.440667][ C1] should_failslab+0x5/0x20 [ 88.445185][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 88.450140][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 88.455350][ C1] ? __alloc_skb+0xf4/0x750 [ 88.459866][ C1] __alloc_skb+0xf4/0x750 [ 88.464214][ C1] ndisc_alloc_skb+0xa6/0x420 [ 88.468908][ C1] ndisc_send_rs+0x271/0x700 [ 88.473515][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 88.478469][ C1] addrconf_rs_timer+0x367/0x640 [ 88.483431][ C1] ? detach_timer+0x33/0x2b0 [ 88.488042][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.494127][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.500213][ C1] call_timer_fn+0x17b/0x540 [ 88.504820][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.510904][ C1] ? __run_timers+0x810/0x810 [ 88.515602][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 88.520821][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 88.526031][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.532118][ C1] __run_timers+0x56c/0x810 [ 88.536655][ C1] ? detach_timer+0x2b0/0x2b0 [ 88.541346][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 88.547371][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 88.552248][ C1] run_timer_softirq+0x63/0xf0 [ 88.557031][ C1] handle_softirqs+0x336/0x830 [ 88.561817][ C1] ? run_ksoftirqd+0xa4/0x100 [ 88.566516][ C1] ? do_softirq+0x210/0x210 [ 88.571035][ C1] ? run_ksoftirqd+0x81/0x100 [ 88.575726][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 88.580938][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 88.586253][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 88.591640][ C1] run_ksoftirqd+0xa4/0x100 [ 88.596171][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 88.601393][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 88.606785][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 88.611918][ C1] smpboot_thread_fn+0x520/0x990 [ 88.616892][ C1] kthread+0x42e/0x520 [ 88.620971][ C1] ? cpu_report_death+0x180/0x180 [ 88.626010][ C1] ? kthread_blkcg+0xd0/0xd0 [ 88.630619][ C1] ret_from_fork+0x1f/0x30 [ 88.635092][ C1] [ 88.638127][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 88.638280][ C1] FAULT_INJECTION: forcing a failure. [ 88.638280][ C1] name failslab, interval 1, probability 1, space 0, times 958 [ 88.645611][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.645627][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 88.674691][ C0] Call Trace: [ 88.677979][ C0] [ 88.680839][ C0] dump_stack_lvl+0x188/0x250 [ 88.685537][ C0] ? verify_lock_unused+0x140/0x140 [ 88.690753][ C0] ? show_regs_print_info+0x20/0x20 [ 88.695977][ C0] ? load_image+0x410/0x410 [ 88.700517][ C0] ? __lock_acquire+0x1305/0x7b50 [ 88.705562][ C0] ? prandom_u32+0x217/0x250 [ 88.710188][ C0] should_fail+0x383/0x4b0 [ 88.714640][ C0] should_failslab+0x5/0x20 [ 88.719159][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 88.724118][ C0] ? dst_alloc+0x101/0x160 [ 88.728553][ C0] kmem_cache_alloc+0x3d/0x280 [ 88.733336][ C0] ? ipv6_sysctl_rtcache_flush+0xf0/0xf0 [ 88.738983][ C0] dst_alloc+0x101/0x160 [ 88.743271][ C0] icmp6_dst_alloc+0x7e/0x470 [ 88.747970][ C0] ? icmpv6_flow_init+0x5e/0x120 [ 88.752922][ C0] ndisc_send_skb+0x3d1/0x1410 [ 88.757714][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 88.762712][ C0] ? ndisc_send_rs+0x524/0x700 [ 88.767493][ C0] addrconf_rs_timer+0x367/0x640 [ 88.772465][ C0] ? detach_timer+0x33/0x2b0 [ 88.777086][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.783173][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.789253][ C0] call_timer_fn+0x17b/0x540 [ 88.793879][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.799970][ C0] ? __run_timers+0x810/0x810 [ 88.804801][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 88.810047][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 88.815374][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.821470][ C0] __run_timers+0x56c/0x810 [ 88.826009][ C0] ? detach_timer+0x2b0/0x2b0 [ 88.830708][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 88.836713][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 88.841586][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 88.847848][ C0] run_timer_softirq+0x63/0xf0 [ 88.852626][ C0] handle_softirqs+0x336/0x830 [ 88.857415][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 88.862281][ C0] ? do_softirq+0x210/0x210 [ 88.866794][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 88.871934][ C0] __irq_exit_rcu+0x13b/0x230 [ 88.876652][ C0] ? irq_exit_rcu+0x20/0x20 [ 88.881176][ C0] irq_exit_rcu+0x5/0x20 [ 88.885426][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 88.891073][ C0] [ 88.894033][ C0] [ 88.896980][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 88.902980][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 88.909069][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 88.928684][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 88.934764][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 88.942755][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 88.950741][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 88.958720][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 88.966712][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 88.974702][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 88.980357][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 88.985830][ C0] dump_stack_lvl+0x161/0x250 [ 88.990530][ C0] ? show_regs_print_info+0x20/0x20 [ 88.995745][ C0] ? load_image+0x410/0x410 [ 89.000272][ C0] should_fail+0x383/0x4b0 [ 89.004708][ C0] should_failslab+0x5/0x20 [ 89.009223][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 89.014211][ C0] __kmalloc+0x6b/0x340 [ 89.018373][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 89.024292][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 89.030052][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 89.035094][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 89.041184][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 89.046843][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 89.052066][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 89.057898][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 89.064083][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 89.069820][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 89.075724][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 89.080939][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 89.086851][ C0] ? _raw_spin_unlock+0x40/0x40 [ 89.091724][ C0] ? kcov_remote_start+0x6a/0x490 [ 89.096767][ C0] ? kcov_remote_start+0xfa/0x490 [ 89.101806][ C0] ieee80211_iface_work+0x714/0xc50 [ 89.107029][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 89.112242][ C0] cfg80211_wiphy_work+0x224/0x260 [ 89.117402][ C0] process_one_work+0x867/0xff0 [ 89.122280][ C0] ? worker_detach_from_pool+0x240/0x240 [ 89.127927][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 89.133227][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 89.138266][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 89.143826][ C0] ? wq_worker_running+0x97/0x170 [ 89.148866][ C0] worker_thread+0xad7/0x12a0 [ 89.153580][ C0] kthread+0x42e/0x520 [ 89.157666][ C0] ? rcu_lock_release+0x20/0x20 [ 89.162532][ C0] ? kthread_blkcg+0xd0/0xd0 [ 89.167137][ C0] ret_from_fork+0x1f/0x30 [ 89.171600][ C0] [ 89.174636][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 89.177794][ C0] FAULT_INJECTION: forcing a failure. [ 89.177794][ C0] name failslab, interval 1, probability 1, space 0, times 957 [ 89.181952][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.181967][ C1] Call Trace: [ 89.181974][ C1] [ 89.181983][ C1] dump_stack_lvl+0x188/0x250 [ 89.215711][ C1] ? show_regs_print_info+0x20/0x20 [ 89.220925][ C1] ? load_image+0x410/0x410 [ 89.225455][ C1] should_fail+0x383/0x4b0 [ 89.229892][ C1] should_failslab+0x5/0x20 [ 89.234410][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 89.239370][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 89.245103][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 89.249962][ C1] ? __alloc_skb+0xf4/0x750 [ 89.254482][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 89.259352][ C1] __alloc_skb+0x22c/0x750 [ 89.263785][ C1] ndisc_alloc_skb+0xa6/0x420 [ 89.268474][ C1] ndisc_send_rs+0x271/0x700 [ 89.273086][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 89.278040][ C1] addrconf_rs_timer+0x367/0x640 [ 89.282986][ C1] ? detach_timer+0x33/0x2b0 [ 89.287593][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.293675][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.299755][ C1] call_timer_fn+0x17b/0x540 [ 89.304358][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.310436][ C1] ? __run_timers+0x810/0x810 [ 89.315140][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 89.320350][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 89.325559][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.331644][ C1] __run_timers+0x56c/0x810 [ 89.336173][ C1] ? detach_timer+0x2b0/0x2b0 [ 89.340882][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 89.346885][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 89.351763][ C1] run_timer_softirq+0x63/0xf0 [ 89.356582][ C1] handle_softirqs+0x336/0x830 [ 89.361369][ C1] ? run_ksoftirqd+0xa4/0x100 [ 89.366067][ C1] ? do_softirq+0x210/0x210 [ 89.370588][ C1] ? run_ksoftirqd+0x81/0x100 [ 89.375366][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 89.380577][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 89.385882][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 89.391091][ C1] run_ksoftirqd+0xa4/0x100 [ 89.395608][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 89.400837][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 89.406224][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 89.411368][ C1] smpboot_thread_fn+0x520/0x990 [ 89.416326][ C1] kthread+0x42e/0x520 [ 89.420413][ C1] ? cpu_report_death+0x180/0x180 [ 89.425452][ C1] ? kthread_blkcg+0xd0/0xd0 [ 89.430060][ C1] ret_from_fork+0x1f/0x30 [ 89.434508][ C1] [ 89.437536][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 89.439303][ C1] FAULT_INJECTION: forcing a failure. [ 89.439303][ C1] name failslab, interval 1, probability 1, space 0, times 956 [ 89.445021][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.445037][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 89.474128][ C0] Call Trace: [ 89.477432][ C0] [ 89.480293][ C0] dump_stack_lvl+0x188/0x250 [ 89.484996][ C0] ? show_regs_print_info+0x20/0x20 [ 89.490211][ C0] ? load_image+0x410/0x410 [ 89.494740][ C0] should_fail+0x383/0x4b0 [ 89.499193][ C0] should_failslab+0x5/0x20 [ 89.503704][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 89.508652][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 89.514383][ C0] ? ndisc_alloc_skb+0xa6/0x420 [ 89.519247][ C0] ? __alloc_skb+0xf4/0x750 [ 89.523801][ C0] ? ndisc_alloc_skb+0xa6/0x420 [ 89.528668][ C0] __alloc_skb+0x22c/0x750 [ 89.533103][ C0] ndisc_alloc_skb+0xa6/0x420 [ 89.537794][ C0] ndisc_send_rs+0x271/0x700 [ 89.542408][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 89.547367][ C0] addrconf_rs_timer+0x367/0x640 [ 89.552336][ C0] ? detach_timer+0x33/0x2b0 [ 89.556945][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.563069][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.569149][ C0] call_timer_fn+0x17b/0x540 [ 89.573751][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.579833][ C0] ? __run_timers+0x810/0x810 [ 89.584535][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 89.589745][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 89.594967][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 89.601054][ C0] __run_timers+0x56c/0x810 [ 89.605586][ C0] ? detach_timer+0x2b0/0x2b0 [ 89.610281][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 89.616300][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 89.621161][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 89.627415][ C0] run_timer_softirq+0x63/0xf0 [ 89.632213][ C0] handle_softirqs+0x336/0x830 [ 89.636998][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 89.641871][ C0] ? do_softirq+0x210/0x210 [ 89.646390][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 89.651526][ C0] __irq_exit_rcu+0x13b/0x230 [ 89.656218][ C0] ? irq_exit_rcu+0x20/0x20 [ 89.660741][ C0] irq_exit_rcu+0x5/0x20 [ 89.664998][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 89.670641][ C0] [ 89.673577][ C0] [ 89.676525][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 89.682513][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 89.688597][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 0e 12 0c 48 89 de 5b e9 47 5a 44 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 34 6e 89 7e 65 8b 15 35 6e 89 7e 81 e2 00 [ 89.708216][ C0] RSP: 0018:ffffc9000161f470 EFLAGS: 00000213 [ 89.714301][ C0] RAX: 0000000000000001 RBX: 0000000000000200 RCX: ffffffff816062b8 [ 89.722290][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 89.730270][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 89.738251][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 89.746234][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 89.754226][ C0] ? __printk_wait_on_cpu_lock+0x18/0x30 [ 89.759904][ C0] __printk_wait_on_cpu_lock+0x28/0x30 [ 89.765392][ C0] dump_stack_lvl+0x161/0x250 [ 89.770093][ C0] ? show_regs_print_info+0x20/0x20 [ 89.775309][ C0] ? load_image+0x410/0x410 [ 89.779850][ C0] should_fail+0x383/0x4b0 [ 89.784286][ C0] should_failslab+0x5/0x20 [ 89.788805][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 89.793760][ C0] __kmalloc+0x6b/0x340 [ 89.797928][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 89.803841][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 89.809590][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 89.814640][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 89.820728][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 89.826544][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 89.831780][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 89.837621][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 89.843821][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 89.849563][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 89.855485][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 89.860709][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 89.866629][ C0] ? _raw_spin_unlock+0x40/0x40 [ 89.871493][ C0] ? kcov_remote_start+0x6a/0x490 [ 89.876548][ C0] ? kcov_remote_start+0xfa/0x490 [ 89.881676][ C0] ieee80211_iface_work+0x714/0xc50 [ 89.886893][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 89.892128][ C0] cfg80211_wiphy_work+0x224/0x260 [ 89.897357][ C0] process_one_work+0x867/0xff0 [ 89.902249][ C0] ? worker_detach_from_pool+0x240/0x240 [ 89.907904][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 89.913208][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 89.918244][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 89.923820][ C0] ? wq_worker_running+0x97/0x170 [ 89.928855][ C0] worker_thread+0xad7/0x12a0 [ 89.933566][ C0] kthread+0x42e/0x520 [ 89.937651][ C0] ? rcu_lock_release+0x20/0x20 [ 89.942542][ C0] ? kthread_blkcg+0xd0/0xd0 [ 89.947146][ C0] ret_from_fork+0x1f/0x30 [ 89.951590][ C0] [ 89.954624][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 89.961941][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.972026][ C1] Call Trace: [ 89.975354][ C1] [ 89.978317][ C1] dump_stack_lvl+0x188/0x250 [ 89.983041][ C1] ? show_regs_print_info+0x20/0x20 [ 89.986883][ T1108] cfg80211: failed to load regulatory.db [ 89.988278][ C1] ? load_image+0x410/0x410 [ 89.998443][ C1] should_fail+0x383/0x4b0 [ 90.002903][ C1] should_failslab+0x5/0x20 [ 90.007440][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 90.012411][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 90.018155][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 90.023019][ C1] ? __alloc_skb+0xf4/0x750 [ 90.027538][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 90.032405][ C1] __alloc_skb+0x22c/0x750 [ 90.036841][ C1] ndisc_alloc_skb+0xa6/0x420 [ 90.041533][ C1] ndisc_send_rs+0x271/0x700 [ 90.046154][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 90.051122][ C1] addrconf_rs_timer+0x367/0x640 [ 90.056080][ C1] ? detach_timer+0x33/0x2b0 [ 90.060694][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.066784][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.072871][ C1] call_timer_fn+0x17b/0x540 [ 90.077482][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.083571][ C1] ? __run_timers+0x810/0x810 [ 90.088283][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 90.093510][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 90.098738][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.104829][ C1] __run_timers+0x56c/0x810 [ 90.109370][ C1] ? detach_timer+0x2b0/0x2b0 [ 90.114070][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 90.120097][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 90.124979][ C1] run_timer_softirq+0x63/0xf0 [ 90.129765][ C1] handle_softirqs+0x336/0x830 [ 90.134561][ C1] ? run_ksoftirqd+0xa4/0x100 [ 90.139263][ C1] ? do_softirq+0x210/0x210 [ 90.143802][ C1] ? run_ksoftirqd+0x81/0x100 [ 90.148507][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 90.153744][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 90.159049][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 90.164264][ C1] run_ksoftirqd+0xa4/0x100 [ 90.168794][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 90.174022][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 90.179431][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 90.184566][ C1] smpboot_thread_fn+0x520/0x990 [ 90.189536][ C1] kthread+0x42e/0x520 [ 90.193628][ C1] ? cpu_report_death+0x180/0x180 [ 90.198684][ C1] ? kthread_blkcg+0xd0/0xd0 [ 90.203316][ C1] ret_from_fork+0x1f/0x30 [ 90.204077][ T4173] FAULT_INJECTION: forcing a failure. [ 90.204077][ T4173] name failslab, interval 1, probability 1, space 0, times 955 [ 90.207777][ C1] [ 90.223565][ T4188] CPU: 0 PID: 4188 Comm: syz-executor Not tainted syzkaller #0 [ 90.231137][ T4188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.232458][ C1] FAULT_INJECTION: forcing a failure. [ 90.232458][ C1] name failslab, interval 1, probability 1, space 0, times 954 [ 90.241226][ T4188] Call Trace: [ 90.241238][ T4188] [ 90.260228][ T4188] dump_stack_lvl+0x188/0x250 [ 90.264939][ T4188] ? show_regs_print_info+0x20/0x20 [ 90.270159][ T4188] ? load_image+0x410/0x410 [ 90.274683][ T4188] ? prandom_u32+0x217/0x250 [ 90.279310][ T4188] should_fail+0x383/0x4b0 [ 90.283746][ T4188] should_failslab+0x5/0x20 [ 90.288262][ T4188] slab_pre_alloc_hook+0x51/0xc0 [ 90.293217][ T4188] ? getname_flags+0xb7/0x4f0 [ 90.298027][ T4188] kmem_cache_alloc+0x3d/0x280 [ 90.302831][ T4188] getname_flags+0xb7/0x4f0 [ 90.307388][ T4188] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.313361][ T4188] __x64_sys_unlink+0x38/0x50 [ 90.318069][ T4188] do_syscall_64+0x4c/0xa0 [ 90.322512][ T4188] ? clear_bhb_loop+0x30/0x80 [ 90.327217][ T4188] ? clear_bhb_loop+0x30/0x80 [ 90.331915][ T4188] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.337827][ T4188] RIP: 0033:0x7fe9f2bf8f87 [ 90.342267][ T4188] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 90.361988][ T4188] RSP: 002b:00007ffe460ed2e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 90.370437][ T4188] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9f2bf8f87 [ 90.378424][ T4188] RDX: 00007ffe460ed310 RSI: 00007ffe460ed3a0 RDI: 00007ffe460ed3a0 [ 90.386415][ T4188] RBP: 00007ffe460ed3a0 R08: 00007ffe460ee3a0 R09: 00000000ffffffff [ 90.394403][ T4188] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe460ee430 [ 90.402391][ T4188] R13: 00007fe9f2c8f30a R14: 0000000000011a63 R15: 00007ffe460ee470 [ 90.410390][ T4188] [ 90.413421][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 90.420738][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.430818][ C1] Call Trace: [ 90.434115][ C1] [ 90.437063][ C1] dump_stack_lvl+0x188/0x250 [ 90.441767][ C1] ? show_regs_print_info+0x20/0x20 [ 90.446985][ C1] ? load_image+0x410/0x410 [ 90.451509][ C1] ? prandom_u32+0x217/0x250 [ 90.456130][ C1] should_fail+0x383/0x4b0 [ 90.460570][ C1] should_failslab+0x5/0x20 [ 90.465089][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 90.470044][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 90.475256][ C1] ? __alloc_skb+0xf4/0x750 [ 90.479788][ C1] __alloc_skb+0xf4/0x750 [ 90.484137][ C1] ndisc_alloc_skb+0xa6/0x420 [ 90.488832][ C1] ndisc_send_rs+0x271/0x700 [ 90.493447][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 90.498428][ C1] addrconf_rs_timer+0x367/0x640 [ 90.503404][ C1] ? detach_timer+0x33/0x2b0 [ 90.508016][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.514103][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.520190][ C1] call_timer_fn+0x17b/0x540 [ 90.524795][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.530880][ C1] ? __run_timers+0x810/0x810 [ 90.535585][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 90.540809][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 90.546021][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 90.552103][ C1] __run_timers+0x56c/0x810 [ 90.556632][ C1] ? detach_timer+0x2b0/0x2b0 [ 90.561324][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 90.567454][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 90.572416][ C1] run_timer_softirq+0x63/0xf0 [ 90.577206][ C1] handle_softirqs+0x336/0x830 [ 90.581992][ C1] ? run_ksoftirqd+0xa4/0x100 [ 90.586689][ C1] ? do_softirq+0x210/0x210 [ 90.591206][ C1] ? run_ksoftirqd+0x81/0x100 [ 90.595985][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 90.601282][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 90.606586][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 90.611805][ C1] run_ksoftirqd+0xa4/0x100 [ 90.616346][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 90.621597][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 90.626996][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 90.632128][ C1] smpboot_thread_fn+0x520/0x990 [ 90.637099][ C1] kthread+0x42e/0x520 [ 90.641192][ C1] ? cpu_report_death+0x180/0x180 [ 90.646232][ C1] ? kthread_blkcg+0xd0/0xd0 [ 90.650859][ C1] ret_from_fork+0x1f/0x30 [ 90.655309][ C1] [ 90.658345][ T4194] CPU: 0 PID: 4194 Comm: syz-executor Not tainted syzkaller #0 [ 90.665922][ T4194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.676201][ T4194] Call Trace: [ 90.679626][ T4194] [ 90.682581][ T4194] dump_stack_lvl+0x188/0x250 [ 90.687291][ T4194] ? show_regs_print_info+0x20/0x20 [ 90.692531][ T4194] ? load_image+0x410/0x410 [ 90.696084][ T1111] FAULT_INJECTION: forcing a failure. [ 90.696084][ T1111] name failslab, interval 1, probability 1, space 0, times 953 [ 90.697065][ T4194] ? prandom_u32+0x217/0x250 [ 90.714433][ T4194] should_fail+0x383/0x4b0 [ 90.718891][ T4194] should_failslab+0x5/0x20 [ 90.723417][ T4194] slab_pre_alloc_hook+0x51/0xc0 [ 90.728388][ T4194] __kmalloc_node+0x6d/0x3a0 [ 90.733009][ T4194] ? kvmalloc_node+0x84/0x130 [ 90.737723][ T4194] kvmalloc_node+0x84/0x130 [ 90.742260][ T4194] nf_hook_entries_grow+0x31a/0x760 [ 90.747511][ T4194] ? mutex_lock_io_nested+0x60/0x60 [ 90.752750][ T4194] nf_hook_entries_insert_raw+0x47/0x300 [ 90.758410][ T4194] nf_nat_register_fn+0x1c0/0x530 [ 90.763452][ T4194] ip6table_nat_table_init+0x147/0x2c0 [ 90.768928][ T4194] xt_find_table_lock+0x220/0x360 [ 90.773979][ T4194] xt_request_find_table_lock+0x22/0x100 [ 90.779627][ T4194] do_ip6t_get_ctl+0x5e8/0x1130 [ 90.784515][ T4194] ? do_ip6t_set_ctl+0xd90/0xd90 [ 90.789489][ T4194] ? nf_getsockopt+0x21b/0x280 [ 90.794274][ T4194] ? __lock_acquire+0x7b50/0x7b50 [ 90.799315][ T4194] ? __mutex_lock_common+0x435/0x2400 [ 90.804835][ T4194] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 90.810513][ T4194] ? mutex_unlock+0x10/0x10 [ 90.815036][ T4194] ? __might_fault+0xb7/0x110 [ 90.819732][ T4194] ? __lock_acquire+0x7b50/0x7b50 [ 90.824973][ T4194] nf_getsockopt+0x25e/0x280 [ 90.829601][ T4194] ipv6_getsockopt+0x43f/0x2390 [ 90.834494][ T4194] ? ipv6_setsockopt+0x3cc0/0x3cc0 [ 90.839632][ T4194] ? mark_lock+0x94/0x320 [ 90.843994][ T4194] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 90.850005][ T4194] ? lock_chain_count+0x20/0x20 [ 90.854900][ T4194] ? lock_page_memcg+0x1b1/0x440 [ 90.859879][ T4194] ? wp_page_copy+0x1036/0x2090 [ 90.864759][ T4194] ? __lock_acquire+0x7b50/0x7b50 [ 90.869817][ T4194] ? mark_lock+0x94/0x320 [ 90.874173][ T4194] tcp_getsockopt+0x209/0x2530 [ 90.878956][ T4194] ? tcp_bpf_bypass_getsockopt+0x40/0x40 [ 90.884606][ T4194] ? aa_label_sk_perm+0x3e6/0x540 [ 90.889666][ T4194] ? aa_sk_perm+0x910/0x910 [ 90.894209][ T4194] ? __might_sleep+0xf0/0xf0 [ 90.898811][ T4194] ? handle_mm_fault+0x2be3/0x4440 [ 90.903952][ T4194] ? aa_sk_perm+0x7dc/0x910 [ 90.908481][ T4194] ? aa_af_perm+0x340/0x340 [ 90.913009][ T4194] ? __lock_acquire+0x7b50/0x7b50 [ 90.918076][ T4194] ? aa_sock_opt_perm+0x74/0x100 [ 90.923052][ T4194] ? sock_common_getsockopt+0x29/0xa0 [ 90.928440][ T4194] ? sock_recv_errqueue+0x580/0x580 [ 90.933654][ T4194] __sys_getsockopt+0x1b0/0x230 [ 90.938534][ T4194] __x64_sys_getsockopt+0xb1/0xc0 [ 90.943589][ T4194] do_syscall_64+0x4c/0xa0 [ 90.948028][ T4194] ? clear_bhb_loop+0x30/0x80 [ 90.952722][ T4194] ? clear_bhb_loop+0x30/0x80 [ 90.957420][ T4194] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.963328][ T4194] RIP: 0033:0x7fefb334d66a [ 90.967762][ T4194] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 90.987403][ T4194] RSP: 002b:00007fffc7776258 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 90.995835][ T4194] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fefb334d66a [ 91.003822][ T4194] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 91.011835][ T4194] RBP: 0000000000000029 R08: 00007fffc777627c R09: 00007fffc7776280 [ 91.019851][ T4194] R10: 00007fefb359a4c8 R11: 0000000000000246 R12: 00007fefb33f2c60 [ 91.020146][ T4313] FAULT_INJECTION: forcing a failure. [ 91.020146][ T4313] name failslab, interval 1, probability 1, space 0, times 951 [ 91.027846][ T4194] R13: 00007fefb359bfc0 R14: 00007fefb359a4c8 R15: 00007fefb359a4c0 [ 91.027880][ T4194] [ 91.027966][ T3851] CPU: 0 PID: 3851 Comm: dhcpcd Not tainted syzkaller #0 [ 91.058876][ T3851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.068942][ T3851] Call Trace: [ 91.072236][ T3851] [ 91.075180][ T3851] dump_stack_lvl+0x188/0x250 [ 91.079889][ T3851] ? show_regs_print_info+0x20/0x20 [ 91.085130][ T3851] ? load_image+0x410/0x410 [ 91.089660][ T3851] ? prandom_u32+0x217/0x250 [ 91.094276][ T3851] should_fail+0x383/0x4b0 [ 91.098710][ T3851] should_failslab+0x5/0x20 [ 91.103225][ T3851] slab_pre_alloc_hook+0x51/0xc0 [ 91.108183][ T3851] ? anon_vma_fork+0x1f4/0x520 [ 91.112966][ T3851] kmem_cache_alloc+0x3d/0x280 [ 91.117759][ T3851] anon_vma_fork+0x1f4/0x520 [ 91.122382][ T3851] copy_mm+0x9df/0x13d0 [ 91.126599][ T3851] ? copy_signal+0x610/0x610 [ 91.131210][ T3851] ? __init_rwsem+0x11e/0x160 [ 91.135904][ T3851] ? copy_signal+0x501/0x610 [ 91.140515][ T3851] copy_process+0x17fb/0x3ec0 [ 91.145230][ T3851] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 91.151237][ T3851] ? __pidfd_prepare+0x140/0x140 [ 91.156194][ T3851] ? verify_lock_unused+0x140/0x140 [ 91.161421][ T3851] kernel_clone+0x23f/0x990 [ 91.165949][ T3851] ? create_io_thread+0x180/0x180 [ 91.171012][ T3851] __x64_sys_clone+0x19a/0x210 [ 91.175795][ T3851] ? __ia32_sys_vfork+0x130/0x130 [ 91.180877][ T3851] ? lockdep_hardirqs_on+0x94/0x140 [ 91.186093][ T3851] do_syscall_64+0x4c/0xa0 [ 91.190530][ T3851] ? clear_bhb_loop+0x30/0x80 [ 91.195220][ T3851] ? clear_bhb_loop+0x30/0x80 [ 91.199916][ T3851] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.205828][ T3851] RIP: 0033:0x7f93953d5636 [ 91.210262][ T3851] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 91.229882][ T3851] RSP: 002b:00007fff2c520b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 91.238318][ T3851] RAX: ffffffffffffffda RBX: 00007fff2c520b78 RCX: 00007f93953d5636 [ 91.246308][ T3851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 91.254293][ T3851] RBP: 00007fff2c5410c0 R08: 0000000000000000 R09: 0000000000000001 [ 91.262285][ T3851] R10: 00007f9395301a10 R11: 0000000000000246 R12: 00007fff2c520cb0 [ 91.270269][ T3851] R13: 0000000000000000 R14: 0000000000000000 R15: 00005639c56c3ac0 [ 91.278274][ T3851] [ 91.281305][ T1245] CPU: 1 PID: 1245 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 91.288885][ T1245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.298954][ T1245] Workqueue: events_unbound cfg80211_wiphy_work [ 91.305218][ T1245] Call Trace: [ 91.308520][ T1245] [ 91.311468][ T1245] dump_stack_lvl+0x188/0x250 [ 91.316178][ T1245] ? show_regs_print_info+0x20/0x20 [ 91.321392][ T1245] ? load_image+0x410/0x410 [ 91.325932][ T1245] should_fail+0x383/0x4b0 [ 91.330373][ T1245] should_failslab+0x5/0x20 [ 91.334891][ T1245] slab_pre_alloc_hook+0x51/0xc0 [ 91.339847][ T1245] __kmalloc+0x6b/0x340 [ 91.343926][ T4175] FAULT_INJECTION: forcing a failure. [ 91.343926][ T4175] name failslab, interval 1, probability 1, space 0, times 951 [ 91.344037][ T1245] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 91.362704][ T1245] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 91.368474][ T1245] ? __lock_acquire+0x7b50/0x7b50 [ 91.373527][ T1245] ? ieee80211_queue_delayed_work+0x150/0x150 [ 91.379619][ T1245] ieee80211_bss_info_update+0x74d/0xa80 [ 91.385276][ T1245] ? ieee80211_rx_bss_put+0x60/0x60 [ 91.390501][ T1245] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 91.396328][ T1245] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 91.402522][ T1245] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 91.408254][ T1245] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 91.414162][ T1245] ? lockdep_hardirqs_on+0x94/0x140 [ 91.419380][ T1245] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 91.425289][ T1245] ? _raw_spin_unlock+0x40/0x40 [ 91.430157][ T1245] ? kcov_remote_start+0x6a/0x490 [ 91.435227][ T1245] ? kcov_remote_start+0xfa/0x490 [ 91.440277][ T1245] ieee80211_iface_work+0x714/0xc50 [ 91.445502][ T1245] ? _raw_spin_unlock_irq+0x1f/0x40 [ 91.450724][ T1245] cfg80211_wiphy_work+0x224/0x260 [ 91.455858][ T1245] process_one_work+0x867/0xff0 [ 91.460760][ T1245] ? worker_detach_from_pool+0x240/0x240 [ 91.466410][ T1245] ? lockdep_hardirqs_off+0x70/0x100 [ 91.471726][ T1245] worker_thread+0xad7/0x12a0 [ 91.476455][ T1245] kthread+0x42e/0x520 [ 91.480548][ T1245] ? rcu_lock_release+0x20/0x20 [ 91.485414][ T1245] ? kthread_blkcg+0xd0/0xd0 [ 91.490020][ T1245] ret_from_fork+0x1f/0x30 [ 91.494471][ T1245] [ 91.497514][ T4175] CPU: 0 PID: 4175 Comm: kworker/0:3 Not tainted syzkaller #0 [ 91.505005][ T4175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.515075][ T4175] Workqueue: events nsim_dev_trap_report_work [ 91.521168][ T4175] Call Trace: [ 91.524458][ T4175] [ 91.527402][ T4175] dump_stack_lvl+0x188/0x250 [ 91.532104][ T4175] ? show_regs_print_info+0x20/0x20 [ 91.537323][ T4175] ? load_image+0x410/0x410 [ 91.541849][ T4175] ? prandom_u32+0x217/0x250 [ 91.546462][ T4175] should_fail+0x383/0x4b0 [ 91.550897][ T4175] should_failslab+0x5/0x20 [ 91.555413][ T4175] slab_pre_alloc_hook+0x51/0xc0 [ 91.560371][ T4175] __kmalloc_node_track_caller+0x68/0x3a0 [ 91.566117][ T4175] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 91.571934][ T4175] ? __alloc_skb+0xf4/0x750 [ 91.576469][ T4175] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 91.582294][ T4175] __alloc_skb+0x22c/0x750 [ 91.586732][ T4175] nsim_dev_trap_report_work+0x25c/0xab0 [ 91.592400][ T4175] process_one_work+0x867/0xff0 [ 91.597282][ T4175] ? worker_detach_from_pool+0x240/0x240 [ 91.602931][ T4175] ? lockdep_hardirqs_off+0x70/0x100 [ 91.608240][ T4175] ? _raw_spin_lock_irq+0xb7/0xf0 [ 91.613285][ T4175] ? _raw_spin_lock_irqsave+0x100/0x100 [ 91.618855][ T4175] ? wq_worker_running+0x97/0x170 [ 91.623903][ T4175] worker_thread+0xad7/0x12a0 [ 91.628609][ T4175] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 91.634531][ T4175] kthread+0x42e/0x520 [ 91.638616][ T4175] ? rcu_lock_release+0x20/0x20 [ 91.643478][ T4175] ? kthread_blkcg+0xd0/0xd0 [ 91.648086][ T4175] ret_from_fork+0x1f/0x30 [ 91.652527][ T4175] [ 91.655559][ T3558] CPU: 1 PID: 3558 Comm: udevd Not tainted syzkaller #0 [ 91.662524][ T3558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.672599][ T3558] Call Trace: [ 91.675895][ T3558] [ 91.678837][ T3558] dump_stack_lvl+0x188/0x250 [ 91.683884][ T3558] ? show_regs_print_info+0x20/0x20 [ 91.689107][ T3558] ? load_image+0x410/0x410 [ 91.693632][ T3558] ? prandom_u32+0x217/0x250 [ 91.698249][ T3558] should_fail+0x383/0x4b0 [ 91.702686][ T3558] should_failslab+0x5/0x20 [ 91.707210][ T3558] slab_pre_alloc_hook+0x51/0xc0 [ 91.712161][ T3558] ? getname_flags+0xb7/0x4f0 [ 91.716885][ T3558] kmem_cache_alloc+0x3d/0x280 [ 91.721671][ T3558] getname_flags+0xb7/0x4f0 [ 91.726197][ T3558] user_path_at_empty+0x2a/0x190 [ 91.731154][ T3558] vfs_statx+0x107/0x4c0 [ 91.735416][ T3558] ? __lock_acquire+0x7b50/0x7b50 [ 91.740465][ T3558] ? vfs_fstatat+0x40/0x40 [ 91.744919][ T3558] __x64_sys_newfstatat+0x15f/0x200 [ 91.750191][ T3558] ? __ia32_sys_newlstat+0x1c0/0x1c0 [ 91.755525][ T3558] ? lock_chain_count+0x20/0x20 [ 91.760403][ T3558] ? lockdep_hardirqs_on+0x94/0x140 [ 91.765621][ T3558] do_syscall_64+0x4c/0xa0 [ 91.770074][ T3558] ? clear_bhb_loop+0x30/0x80 [ 91.774771][ T3558] ? clear_bhb_loop+0x30/0x80 [ 91.779463][ T3558] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.785397][ T3558] RIP: 0033:0x7fb7692d9b0a [ 91.789845][ T3558] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 91.809615][ T3558] RSP: 002b:00007ffdaa058ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 91.818056][ T3558] RAX: ffffffffffffffda RBX: 000055ab74a39400 RCX: 00007fb7692d9b0a [ 91.826051][ T3558] RDX: 00007ffdaa058bb0 RSI: 000055ab74a27296 RDI: 00000000ffffff9c [ 91.834041][ T3558] RBP: 000055ab9fca3148 R08: 0000000004868ea3 R09: 00367d065d190bc6 [ 91.842035][ T3558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 91.850023][ T3558] R13: 00007ffdaa058bb0 R14: 0000000000000000 R15: 0000000000000000 [ 91.858058][ T3558] [ 91.859118][ T3851] FAULT_INJECTION: forcing a failure. [ 91.859118][ T3851] name failslab, interval 1, probability 1, space 0, times 949 [ 91.861745][ T1111] CPU: 1 PID: 1111 Comm: kworker/1:2 Not tainted syzkaller #0 [ 91.881339][ T1111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.891441][ T1111] Workqueue: events nsim_fib_event_work [ 91.897018][ T1111] Call Trace: [ 91.900309][ T1111] [ 91.903256][ T1111] dump_stack_lvl+0x188/0x250 [ 91.907961][ T1111] ? show_regs_print_info+0x20/0x20 [ 91.913176][ T1111] ? load_image+0x410/0x410 [ 91.917702][ T1111] ? prandom_u32+0x217/0x250 [ 91.922318][ T1111] should_fail+0x383/0x4b0 [ 91.926763][ T1111] should_failslab+0x5/0x20 [ 91.931280][ T1111] slab_pre_alloc_hook+0x51/0xc0 [ 91.936240][ T1111] kmem_cache_alloc_trace+0x47/0x290 [ 91.941547][ T1111] ? nsim_fib_event_work+0x1171/0x3380 [ 91.947030][ T1111] nsim_fib_event_work+0x1171/0x3380 [ 91.952341][ T1111] ? verify_lock_unused+0x140/0x140 [ 91.957577][ T1111] ? nsim_fib_create+0xac0/0xac0 [ 91.962536][ T1111] ? __rtnl_unlock+0x8d/0xa0 [ 91.967147][ T1111] ? verify_lock_unused+0x140/0x140 [ 91.972389][ T1111] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 91.978394][ T1111] ? __lock_acquire+0x7b50/0x7b50 [ 91.983598][ T1111] ? read_lock_is_recursive+0x10/0x10 [ 91.988988][ T1111] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 91.994895][ T1111] ? _raw_spin_unlock+0x40/0x40 [ 91.999771][ T1111] ? _raw_spin_unlock_irq+0x1f/0x40 [ 92.004990][ T1111] process_one_work+0x867/0xff0 [ 92.009871][ T1111] ? worker_detach_from_pool+0x240/0x240 [ 92.015523][ T1111] ? lockdep_hardirqs_off+0x70/0x100 [ 92.020838][ T1111] ? _raw_spin_lock_irq+0xb7/0xf0 [ 92.025879][ T1111] ? _raw_spin_lock_irqsave+0x100/0x100 [ 92.031451][ T1111] ? wq_worker_running+0x97/0x170 [ 92.036496][ T1111] worker_thread+0xd93/0x12a0 [ 92.041207][ T1111] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 92.047127][ T1111] kthread+0x42e/0x520 [ 92.051212][ T1111] ? rcu_lock_release+0x20/0x20 [ 92.056083][ T1111] ? kthread_blkcg+0xd0/0xd0 [ 92.060697][ T1111] ret_from_fork+0x1f/0x30 [ 92.065146][ T1111] [ 92.068177][ T3851] CPU: 0 PID: 3851 Comm: dhcpcd Not tainted syzkaller #0 [ 92.075236][ T3851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.085321][ T3851] Call Trace: [ 92.088614][ T3851] [ 92.091577][ T3851] dump_stack_lvl+0x188/0x250 [ 92.096282][ T3851] ? show_regs_print_info+0x20/0x20 [ 92.101495][ T3851] ? load_image+0x410/0x410 [ 92.106023][ T3851] ? prandom_u32+0x217/0x250 [ 92.110658][ T3851] should_fail+0x383/0x4b0 [ 92.115093][ T3851] should_failslab+0x5/0x20 [ 92.119609][ T3851] slab_pre_alloc_hook+0x51/0xc0 [ 92.124578][ T3851] ? prepare_creds+0x3c/0x610 [ 92.129273][ T3851] kmem_cache_alloc+0x3d/0x280 [ 92.134063][ T3851] prepare_creds+0x3c/0x610 [ 92.138588][ T3851] copy_creds+0x146/0xce0 [ 92.142945][ T3851] copy_process+0x8d7/0x3ec0 [ 92.147581][ T3851] ? lock_chain_count+0x20/0x20 [ 92.152448][ T3851] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 92.158560][ T3851] ? __pidfd_prepare+0x140/0x140 [ 92.163536][ T3851] ? verify_lock_unused+0x140/0x140 [ 92.168793][ T3851] kernel_clone+0x23f/0x990 [ 92.173316][ T3851] ? create_io_thread+0x180/0x180 [ 92.178368][ T3851] __x64_sys_clone+0x19a/0x210 [ 92.183148][ T3851] ? __ia32_sys_vfork+0x130/0x130 [ 92.188219][ T3851] ? lockdep_hardirqs_on+0x94/0x140 [ 92.193462][ T3851] do_syscall_64+0x4c/0xa0 [ 92.197907][ T3851] ? clear_bhb_loop+0x30/0x80 [ 92.202618][ T3851] ? clear_bhb_loop+0x30/0x80 [ 92.207332][ T3851] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.213247][ T3851] RIP: 0033:0x7f93953d5636 [ 92.217681][ T3851] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 92.237303][ T3851] RSP: 002b:00007fff2c520b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 92.245740][ T3851] RAX: ffffffffffffffda RBX: 00007fff2c520b78 RCX: 00007f93953d5636 [ 92.253899][ T3851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 92.261897][ T3851] RBP: 00007fff2c5410c0 R08: 0000000000000000 R09: 0000000000000001 [ 92.269886][ T3851] R10: 00007f9395301a10 R11: 0000000000000246 R12: 00007fff2c520cb0 [ 92.277897][ T3851] R13: 0000000000000000 R14: 0000000000000000 R15: 00005639c56c3ac0 [ 92.285908][ T3851] [ 92.288956][ T4307] CPU: 1 PID: 4307 Comm: modprobe Not tainted syzkaller #0 [ 92.296182][ T4307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.306256][ T4307] Call Trace: [ 92.306423][ T4239] FAULT_INJECTION: forcing a failure. [ 92.306423][ T4239] name failslab, interval 1, probability 1, space 0, times 948 [ 92.309557][ T4307] [ 92.309572][ T4307] dump_stack_lvl+0x188/0x250 [ 92.330131][ T4307] ? show_regs_print_info+0x20/0x20 [ 92.335368][ T4307] ? load_image+0x410/0x410 [ 92.339918][ T4307] should_fail+0x383/0x4b0 [ 92.344373][ T4307] should_failslab+0x5/0x20 [ 92.346247][ T4233] FAULT_INJECTION: forcing a failure. [ 92.346247][ T4233] name failslab, interval 1, probability 1, space 0, times 948 [ 92.348908][ T4307] slab_pre_alloc_hook+0x51/0xc0 [ 92.348935][ T4307] ? __anon_vma_prepare+0x66/0x430 [ 92.371884][ T4307] kmem_cache_alloc+0x3d/0x280 [ 92.376682][ T4307] __anon_vma_prepare+0x66/0x430 [ 92.381689][ T4307] ? __pud_alloc+0x122/0x140 [ 92.386304][ T4307] handle_mm_fault+0x3a38/0x4440 [ 92.391267][ T4307] ? get_page+0xe0/0xe0 [ 92.395448][ T4307] ? memset+0x1e/0x40 [ 92.399447][ T4307] ? vmacache_find+0x1e2/0x590 [ 92.404230][ T4307] ? vmacache_update+0xa0/0x100 [ 92.409102][ T4307] ? find_vma+0x1df/0x230 [ 92.413452][ T4307] do_user_addr_fault+0x494/0xc90 [ 92.418505][ T4307] exc_page_fault+0x60/0x100 [ 92.423114][ T4307] asm_exc_page_fault+0x22/0x30 [ 92.427982][ T4307] RIP: 0010:clear_user+0xf0/0x150 [ 92.433033][ T4307] Code: bf 8b be 14 00 00 00 e8 ce b4 9f fd 0f 01 cb 89 d8 83 e0 07 48 c1 eb 03 48 89 d9 4c 89 f7 48 85 c9 74 16 0f 1f 80 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a [ 92.452656][ T4307] RSP: 0018:ffffc90003327af0 EFLAGS: 00050206 [ 92.458845][ T4307] RAX: 0000000000000000 RBX: 00000000000001ff RCX: 00000000000001ff [ 92.466842][ T4307] RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: 000055f4d5891008 [ 92.474842][ T4307] RBP: 00000000000000ff R08: ffffffff8d8b0def R09: 1ffffffff1b161bd [ 92.482857][ T4307] R10: dffffc0000000000 R11: fffffbfff1b161be R12: 00007ffffffff000 [ 92.490852][ T4307] R13: 0000000000004010 R14: 000055f4d5891008 R15: 000055f4d5892000 [ 92.498872][ T4307] load_elf_binary+0x1b01/0x2910 [ 92.503838][ T4307] ? load_elf_binary+0x8b1/0x2910 [ 92.508892][ T4307] ? load_script+0x890/0x890 [ 92.513514][ T4307] ? do_raw_read_unlock+0x39/0x70 [ 92.518558][ T4307] ? _raw_read_unlock+0x24/0x40 [ 92.523431][ T4307] ? load_misc_binary+0x607/0xbe0 [ 92.528483][ T4307] bprm_execve+0xa8d/0x1740 [ 92.533013][ T4307] ? alloc_bprm+0x690/0x690 [ 92.537534][ T4307] ? copy_string_kernel+0x26c/0x280 [ 92.542766][ T4307] kernel_execve+0x808/0x8e0 [ 92.547380][ T4307] call_usermodehelper_exec_async+0x207/0x350 [ 92.553459][ T4307] ? proc_cap_handler+0x460/0x460 [ 92.558503][ T4307] ret_from_fork+0x1f/0x30 [ 92.562945][ T4307] [ 92.565980][ T4239] CPU: 0 PID: 4239 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 92.573550][ T4239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.583636][ T4239] Workqueue: events_unbound call_usermodehelper_exec_work [ 92.590769][ T4239] Call Trace: [ 92.594063][ T4239] [ 92.597006][ T4239] dump_stack_lvl+0x188/0x250 [ 92.601712][ T4239] ? show_regs_print_info+0x20/0x20 [ 92.606929][ T4239] ? load_image+0x410/0x410 [ 92.611449][ T4239] ? prandom_u32+0x217/0x250 [ 92.616064][ T4239] should_fail+0x383/0x4b0 [ 92.620499][ T4239] should_failslab+0x5/0x20 [ 92.625019][ T4239] slab_pre_alloc_hook+0x51/0xc0 [ 92.630060][ T4239] ? alloc_pid+0x9a/0xad0 [ 92.634409][ T4239] kmem_cache_alloc+0x3d/0x280 [ 92.639190][ T4239] alloc_pid+0x9a/0xad0 [ 92.643522][ T4239] ? proc_cap_handler+0x460/0x460 [ 92.648572][ T4239] copy_process+0x1ab6/0x3ec0 [ 92.653287][ T4239] ? __pidfd_prepare+0x140/0x140 [ 92.658245][ T4239] ? verify_lock_unused+0x140/0x140 [ 92.663464][ T4239] ? ret_from_fork+0x1f/0x30 [ 92.668103][ T4239] kernel_clone+0x23f/0x990 [ 92.672633][ T4239] ? create_io_thread+0x180/0x180 [ 92.677689][ T4239] ? do_raw_spin_lock+0x128/0x2f0 [ 92.682767][ T4239] kernel_thread+0xfa/0x160 [ 92.687292][ T4239] ? proc_cap_handler+0x460/0x460 [ 92.692329][ T4239] ? ptrace_event_pid+0x310/0x310 [ 92.697368][ T4239] ? proc_cap_handler+0x460/0x460 [ 92.702414][ T4239] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 92.708328][ T4239] ? lockdep_hardirqs_on+0x94/0x140 [ 92.713557][ T4239] call_usermodehelper_exec_work+0x93/0x220 [ 92.719466][ T4239] process_one_work+0x867/0xff0 [ 92.724352][ T4239] ? worker_detach_from_pool+0x240/0x240 [ 92.729996][ T4239] ? lockdep_hardirqs_off+0x70/0x100 [ 92.735295][ T4239] ? _raw_spin_lock_irq+0xb7/0xf0 [ 92.740330][ T4239] ? _raw_spin_lock_irqsave+0x100/0x100 [ 92.745902][ T4239] ? wq_worker_running+0x97/0x170 [ 92.750944][ T4239] worker_thread+0xad7/0x12a0 [ 92.755654][ T4239] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 92.761569][ T4239] kthread+0x42e/0x520 [ 92.765661][ T4239] ? rcu_lock_release+0x20/0x20 [ 92.770566][ T4239] ? kthread_blkcg+0xd0/0xd0 [ 92.775189][ T4239] ret_from_fork+0x1f/0x30 [ 92.779665][ T4239] [ 92.782707][ T4313] CPU: 1 PID: 4313 Comm: kworker/u4:9 Not tainted syzkaller #0 [ 92.790295][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.800374][ T4313] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 92.808211][ T4313] Call Trace: [ 92.811511][ T4313] [ 92.814463][ T4313] dump_stack_lvl+0x188/0x250 [ 92.819179][ T4313] ? show_regs_print_info+0x20/0x20 [ 92.824416][ T4313] ? load_image+0x410/0x410 [ 92.828947][ T4313] ? prandom_u32+0x217/0x250 [ 92.833567][ T4313] should_fail+0x383/0x4b0 [ 92.838016][ T4313] should_failslab+0x5/0x20 [ 92.842535][ T4313] slab_pre_alloc_hook+0x51/0xc0 [ 92.847493][ T4313] __kmalloc_node_track_caller+0x68/0x3a0 [ 92.853229][ T4313] ? __netdev_alloc_skb+0x110/0x4c0 [ 92.858457][ T4313] ? __alloc_skb+0xf4/0x750 [ 92.862984][ T4313] ? __netdev_alloc_skb+0x110/0x4c0 [ 92.863927][ C0] FAULT_INJECTION: forcing a failure. [ 92.863927][ C0] name failslab, interval 1, probability 1, space 0, times 948 [ 92.868206][ T4313] __alloc_skb+0x22c/0x750 [ 92.885389][ T4313] __netdev_alloc_skb+0x110/0x4c0 [ 92.890439][ T4313] ? __alloc_skb+0x750/0x750 [ 92.895050][ T4313] ? do_raw_spin_unlock+0x11d/0x230 [ 92.900275][ T4313] batadv_iv_ogm_queue_add+0x833/0xdb0 [ 92.905761][ T4313] ? __lock_acquire+0x7b50/0x7b50 [ 92.910814][ T4313] batadv_iv_ogm_schedule+0x81f/0x1000 [ 92.916304][ T4313] ? pskb_expand_head+0xb45/0x1100 [ 92.921446][ T4313] ? batadv_iv_send_outstanding_bat_ogm_packet+0x800/0x800 [ 92.928660][ T4313] ? batadv_send_skb_packet+0x36e/0x580 [ 92.934229][ T4313] batadv_iv_send_outstanding_bat_ogm_packet+0x6e9/0x800 [ 92.941292][ T4313] process_one_work+0x867/0xff0 [ 92.946190][ T4313] ? worker_detach_from_pool+0x240/0x240 [ 92.951835][ T4313] ? lockdep_hardirqs_off+0x70/0x100 [ 92.957138][ T4313] ? _raw_spin_lock_irq+0xb7/0xf0 [ 92.962176][ T4313] ? _raw_spin_lock_irqsave+0x100/0x100 [ 92.967738][ T4313] ? wq_worker_running+0x97/0x170 [ 92.972786][ T4313] worker_thread+0xad7/0x12a0 [ 92.977507][ T4313] kthread+0x42e/0x520 [ 92.981594][ T4313] ? rcu_lock_release+0x20/0x20 [ 92.986469][ T4313] ? kthread_blkcg+0xd0/0xd0 [ 92.991077][ T4313] ret_from_fork+0x1f/0x30 [ 92.995521][ T4313] [ 92.998563][ C0] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 93.006053][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.016123][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 93.022388][ C0] Call Trace: [ 93.025699][ C0] [ 93.028553][ C0] dump_stack_lvl+0x188/0x250 [ 93.033249][ C0] ? ret_from_fork+0x1f/0x30 [ 93.037856][ C0] ? show_regs_print_info+0x20/0x20 [ 93.043070][ C0] ? load_image+0x410/0x410 [ 93.047588][ C0] ? prandom_u32+0x217/0x250 [ 93.052198][ C0] should_fail+0x383/0x4b0 [ 93.056752][ C0] should_failslab+0x5/0x20 [ 93.061289][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 93.066240][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 93.071971][ C0] ? __netdev_alloc_skb+0x110/0x4c0 [ 93.077180][ C0] ? __alloc_skb+0xf4/0x750 [ 93.081696][ C0] ? __netdev_alloc_skb+0x110/0x4c0 [ 93.086913][ C0] __alloc_skb+0x22c/0x750 [ 93.091345][ C0] __netdev_alloc_skb+0x110/0x4c0 [ 93.096383][ C0] ? __alloc_skb+0x750/0x750 [ 93.100984][ C0] ? mark_lock+0x94/0x320 [ 93.105337][ C0] __ieee80211_beacon_get+0xa8f/0x1ff0 [ 93.110816][ C0] ? verify_lock_unused+0x140/0x140 [ 93.116039][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 93.122044][ C0] ? verify_lock_unused+0x140/0x140 [ 93.127283][ C0] ieee80211_beacon_get_tim+0x48/0x840 [ 93.132776][ C0] mac80211_hwsim_beacon_tx+0x104/0x900 [ 93.138370][ C0] __iterate_interfaces+0x225/0x4c0 [ 93.143587][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 93.149847][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 93.156108][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 93.163151][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 93.168368][ C0] ? hw_scan_work+0xef0/0xef0 [ 93.173066][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 93.178301][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 93.183435][ C0] hrtimer_run_softirq+0x176/0x240 [ 93.188569][ C0] handle_softirqs+0x336/0x830 [ 93.193353][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 93.198219][ C0] ? do_softirq+0x210/0x210 [ 93.202755][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 93.207908][ C0] __irq_exit_rcu+0x13b/0x230 [ 93.212598][ C0] ? irq_exit_rcu+0x20/0x20 [ 93.217121][ C0] irq_exit_rcu+0x5/0x20 [ 93.221374][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 93.227029][ C0] [ 93.229974][ C0] [ 93.232917][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 93.238911][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0x7/0x30 [ 93.245074][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 <48> c7 c7 00 b7 1f 8c be 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf [ 93.264688][ C0] RSP: 0018:ffffc9000161f478 EFLAGS: 00000293 [ 93.270797][ C0] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: ffff888017b09dc0 [ 93.278784][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 93.286769][ C0] RBP: ffffc9000161f568 R08: 0000000000000003 R09: 0000000000000004 [ 93.294748][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 93.302740][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920002c3e94 [ 93.310770][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 93.316429][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 93.322074][ C0] dump_stack_lvl+0x161/0x250 [ 93.326778][ C0] ? show_regs_print_info+0x20/0x20 [ 93.331999][ C0] ? load_image+0x410/0x410 [ 93.336564][ C0] should_fail+0x383/0x4b0 [ 93.341031][ C0] should_failslab+0x5/0x20 [ 93.345578][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 93.350539][ C0] __kmalloc+0x6b/0x340 [ 93.354709][ C0] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 93.360631][ C0] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 93.366390][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 93.371446][ C0] ? ieee80211_queue_delayed_work+0x150/0x150 [ 93.377548][ C0] ieee80211_bss_info_update+0x74d/0xa80 [ 93.383213][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 93.388439][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 93.394265][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 93.400456][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 93.406191][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 93.412102][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 93.417325][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 93.423232][ C0] ? _raw_spin_unlock+0x40/0x40 [ 93.428099][ C0] ? kcov_remote_start+0x6a/0x490 [ 93.433142][ C0] ? kcov_remote_start+0xfa/0x490 [ 93.438182][ C0] ieee80211_iface_work+0x714/0xc50 [ 93.443398][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 93.448620][ C0] cfg80211_wiphy_work+0x224/0x260 [ 93.453758][ C0] process_one_work+0x867/0xff0 [ 93.458643][ C0] ? worker_detach_from_pool+0x240/0x240 [ 93.464291][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 93.469595][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 93.474643][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 93.480229][ C0] ? wq_worker_running+0x97/0x170 [ 93.485279][ C0] worker_thread+0xad7/0x12a0 [ 93.489991][ C0] kthread+0x42e/0x520 [ 93.494079][ C0] ? rcu_lock_release+0x20/0x20 [ 93.498944][ C0] ? kthread_blkcg+0xd0/0xd0 [ 93.503559][ C0] ret_from_fork+0x1f/0x30 [ 93.508034][ C0] [ 93.511774][ C0] FAULT_INJECTION: forcing a failure. [ 93.511774][ C0] name failslab, interval 1, probability 1, space 0, times 945 [ 93.521680][ T4173] CPU: 1 PID: 4173 Comm: syz-executor Not tainted syzkaller #0 [ 93.532145][ T4173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.542219][ T4173] Call Trace: [ 93.545514][ T4173] [ 93.548458][ T4173] dump_stack_lvl+0x188/0x250 [ 93.553154][ T4173] ? show_regs_print_info+0x20/0x20 [ 93.558369][ T4173] ? load_image+0x410/0x410 [ 93.562904][ T4173] ? prandom_u32+0x217/0x250 [ 93.567519][ T4173] should_fail+0x383/0x4b0 [ 93.571988][ T4173] should_failslab+0x5/0x20 [ 93.576512][ T4173] slab_pre_alloc_hook+0x51/0xc0 [ 93.581468][ T4173] __kmalloc+0x6b/0x340 [ 93.585642][ T4173] ? alloc_pipe_info+0x1f5/0x4a0 [ 93.590602][ T4173] alloc_pipe_info+0x1f5/0x4a0 [ 93.595380][ T4173] create_pipe_files+0x87/0x6b0 [ 93.600277][ T4173] __do_pipe_flags+0x46/0x1f0 [ 93.604977][ T4173] do_pipe2+0xa7/0x190 [ 93.609064][ T4173] ? pipe_fcntl+0x530/0x530 [ 93.613594][ T4173] ? lock_chain_count+0x20/0x20 [ 93.618470][ T4173] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.624385][ T4173] __x64_sys_pipe2+0x56/0x60 [ 93.628989][ T4173] do_syscall_64+0x4c/0xa0 [ 93.633446][ T4173] ? clear_bhb_loop+0x30/0x80 [ 93.638142][ T4173] ? clear_bhb_loop+0x30/0x80 [ 93.642834][ T4173] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.648747][ T4173] RIP: 0033:0x7f5e7afdfec9 [ 93.653174][ T4173] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 93.672882][ T4173] RSP: 002b:00007ffc83112c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 93.681334][ T4173] RAX: ffffffffffffffda RBX: 0000555567f94920 RCX: 00007f5e7afdfec9 [ 93.689319][ T4173] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007ffc83112c28 [ 93.697311][ T4173] RBP: 00007ffc831131e0 R08: 00007f5e7b233e20 R09: 0000000000000000 [ 93.705311][ T4173] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc83113020 [ 93.713303][ T4173] R13: 0000555567f97b18 R14: 0000555567f94b40 R15: 00007ffc83112d60 [ 93.721298][ T4173] [ 93.724330][ C0] CPU: 0 PID: 4245 Comm: kworker/u4:7 Not tainted syzkaller #0 [ 93.731907][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.741991][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 93.748274][ C0] Call Trace: [ 93.751572][ C0] [ 93.754448][ C0] dump_stack_lvl+0x188/0x250 [ 93.759142][ C0] ? show_regs_print_info+0x20/0x20 [ 93.764364][ C0] ? load_image+0x410/0x410 [ 93.768887][ C0] ? prandom_u32+0x217/0x250 [ 93.773495][ C0] should_fail+0x383/0x4b0 [ 93.777927][ C0] should_failslab+0x5/0x20 [ 93.782442][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 93.787392][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 93.793133][ C0] ? __neigh_notify+0x142/0x2e0 [ 93.797997][ C0] ? __alloc_skb+0xf4/0x750 [ 93.802518][ C0] ? __neigh_notify+0x142/0x2e0 [ 93.807393][ C0] __alloc_skb+0x22c/0x750 [ 93.811836][ C0] __neigh_notify+0x142/0x2e0 [ 93.816538][ C0] neigh_cleanup_and_release+0x9d/0x250 [ 93.822107][ C0] neigh_remove_one+0x4e0/0x5e0 [ 93.826988][ C0] ___neigh_create+0x48f/0x2210 [ 93.831894][ C0] ip6_finish_output2+0x9f5/0x1530 [ 93.837027][ C0] ? nf_hook+0x360/0x360 [ 93.841283][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 93.845533][ C0] ? ip6_finish_output+0x627/0x790 [ 93.850658][ C0] ndisc_send_skb+0xb7a/0x1410 [ 93.855460][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 93.860422][ C0] ? rcu_lock_release+0x20/0x20 [ 93.865312][ C0] ? memset+0x1e/0x40 [ 93.869324][ C0] ? ndisc_send_rs+0x524/0x700 [ 93.874115][ C0] addrconf_rs_timer+0x367/0x640 [ 93.879075][ C0] ? detach_timer+0x33/0x2b0 [ 93.883695][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 93.889803][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 93.895879][ C0] call_timer_fn+0x17b/0x540 [ 93.900489][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 93.906565][ C0] ? __run_timers+0x810/0x810 [ 93.911263][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 93.916476][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 93.921687][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 93.927769][ C0] __run_timers+0x56c/0x810 [ 93.932301][ C0] ? detach_timer+0x2b0/0x2b0 [ 93.936992][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 93.942993][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 93.947855][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 93.952721][ C0] run_timer_softirq+0x63/0xf0 [ 93.957507][ C0] handle_softirqs+0x336/0x830 [ 93.962292][ C0] ? do_softirq+0x142/0x210 [ 93.966827][ C0] ? do_softirq+0x210/0x210 [ 93.971402][ C0] do_softirq+0x142/0x210 [ 93.975771][ C0] [ 93.978721][ C0] [ 93.981668][ C0] ? __local_bh_enable_ip+0x1c0/0x1c0 [ 93.987061][ C0] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 93.993069][ C0] ? __local_bh_enable_ip+0xd7/0x1c0 [ 93.998361][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 94.003660][ C0] ? cfg80211_bss_update+0x10f6/0x21a0 [ 94.009129][ C0] __local_bh_enable_ip+0x180/0x1c0 [ 94.014340][ C0] ? _local_bh_enable+0xa0/0xa0 [ 94.019210][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 94.024439][ C0] ? cfg80211_bss_update+0x10f6/0x21a0 [ 94.030038][ C0] cfg80211_bss_update+0x10f6/0x21a0 [ 94.035360][ C0] ? cfg80211_inform_bss_frame_data+0x6c7/0x1ed0 [ 94.041705][ C0] cfg80211_inform_bss_frame_data+0x88d/0x1ed0 [ 94.047888][ C0] ? sched_core_alloc_cookie+0x74/0xa0 [ 94.053393][ C0] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 94.059507][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 94.064590][ C0] ieee80211_bss_info_update+0x6ba/0xa80 [ 94.070259][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 94.075490][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 94.081324][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 94.087523][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 94.093263][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 94.099179][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 94.104397][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.110312][ C0] ? _raw_spin_unlock+0x40/0x40 [ 94.115187][ C0] ? kcov_remote_start+0x6a/0x490 [ 94.120238][ C0] ? kcov_remote_start+0xfa/0x490 [ 94.125291][ C0] ieee80211_iface_work+0x714/0xc50 [ 94.130512][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 94.135730][ C0] cfg80211_wiphy_work+0x224/0x260 [ 94.140866][ C0] process_one_work+0x867/0xff0 [ 94.145749][ C0] ? worker_detach_from_pool+0x240/0x240 [ 94.151399][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 94.156714][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 94.161760][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 94.167330][ C0] ? wq_worker_running+0x97/0x170 [ 94.172384][ C0] worker_thread+0xad7/0x12a0 [ 94.177101][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.183036][ C0] kthread+0x42e/0x520 [ 94.187127][ C0] ? rcu_lock_release+0x20/0x20 [ 94.192015][ C0] ? kthread_blkcg+0xd0/0xd0 [ 94.196625][ C0] ret_from_fork+0x1f/0x30 [ 94.201074][ C0] [ 94.205041][ T4242] CPU: 1 PID: 4242 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 94.207750][ C0] FAULT_INJECTION: forcing a failure. [ 94.207750][ C0] name failslab, interval 1, probability 1, space 0, times 944 [ 94.212641][ T4242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.212665][ T4242] Workqueue: writeback wb_workfn (flush-8:0) [ 94.212706][ T4242] Call Trace: [ 94.244841][ T4242] [ 94.247802][ T4242] dump_stack_lvl+0x188/0x250 [ 94.252513][ T4242] ? show_regs_print_info+0x20/0x20 [ 94.257754][ T4242] ? load_image+0x410/0x410 [ 94.262286][ T4242] ? prandom_u32+0x217/0x250 [ 94.266917][ T4242] should_fail+0x383/0x4b0 [ 94.271359][ T4242] should_failslab+0x5/0x20 [ 94.275885][ T4242] slab_pre_alloc_hook+0x51/0xc0 [ 94.280849][ T4242] ? mempool_alloc+0x19d/0x510 [ 94.285910][ T4242] kmem_cache_alloc+0x3d/0x280 [ 94.290708][ T4242] ? mempool_free+0x320/0x320 [ 94.295413][ T4242] mempool_alloc+0x19d/0x510 [ 94.300029][ T4242] ? __test_set_page_writeback+0xc72/0xec0 [ 94.305863][ T4242] ? mempool_resize+0x860/0x860 [ 94.310742][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 94.315800][ T4242] bio_alloc_bioset+0x223/0x870 [ 94.320680][ T4242] ext4_bio_write_page+0x1539/0x1f20 [ 94.325995][ T4242] mpage_submit_page+0x17a/0x210 [ 94.330954][ T4242] ext4_writepages+0x1970/0x2d40 [ 94.335941][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 94.340728][ T4242] ? mark_lock+0x94/0x320 [ 94.345103][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 94.350158][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 94.355204][ T4242] ? do_raw_spin_unlock+0x11d/0x230 [ 94.360420][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 94.365205][ T4242] do_writepages+0x493/0x700 [ 94.369831][ T4242] ? __writepage+0x130/0x130 [ 94.374438][ T4242] ? writeback_sb_inodes+0x6b7/0x1750 [ 94.379831][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 94.384870][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 94.389913][ T4242] __writeback_single_inode+0x153/0xda0 [ 94.395485][ T4242] writeback_sb_inodes+0xaaa/0x1750 [ 94.400718][ T4242] ? __lock_acquire+0x13dc/0x7b50 [ 94.405892][ T4242] ? queue_io+0x530/0x530 [ 94.410261][ T4242] __writeback_inodes_wb+0x12a/0x3f0 [ 94.415576][ T4242] wb_writeback+0x45e/0xbc0 [ 94.420108][ T4242] ? rcu_lock_release+0x20/0x20 [ 94.424980][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 94.430977][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 94.436117][ T4242] ? cpumask_next+0xb3/0xd0 [ 94.440646][ T4242] wb_workfn+0xb15/0xf20 [ 94.444921][ T4242] ? inode_wait_for_writeback+0x220/0x220 [ 94.450671][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 94.456683][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 94.461725][ T4242] ? read_lock_is_recursive+0x10/0x10 [ 94.467174][ T4242] ? _raw_spin_unlock_irq+0x1f/0x40 [ 94.472448][ T4242] process_one_work+0x867/0xff0 [ 94.477345][ T4242] ? worker_detach_from_pool+0x240/0x240 [ 94.482995][ T4242] ? lockdep_hardirqs_off+0x70/0x100 [ 94.488308][ T4242] ? _raw_spin_lock_irq+0xb7/0xf0 [ 94.493351][ T4242] ? _raw_spin_lock_irqsave+0x100/0x100 [ 94.498920][ T4242] ? wq_worker_running+0x97/0x170 [ 94.503964][ T4242] worker_thread+0xad7/0x12a0 [ 94.508668][ T4242] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.514605][ T4242] kthread+0x42e/0x520 [ 94.518694][ T4242] ? rcu_lock_release+0x20/0x20 [ 94.523561][ T4242] ? kthread_blkcg+0xd0/0xd0 [ 94.528171][ T4242] ret_from_fork+0x1f/0x30 [ 94.532619][ T4242] [ 94.535654][ C0] CPU: 0 PID: 4245 Comm: kworker/u4:7 Not tainted syzkaller #0 [ 94.543228][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.553302][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 94.559576][ C0] Call Trace: [ 94.562899][ C0] [ 94.565761][ C0] dump_stack_lvl+0x188/0x250 [ 94.570465][ C0] ? verify_lock_unused+0x140/0x140 [ 94.575683][ C0] ? show_regs_print_info+0x20/0x20 [ 94.580906][ C0] ? load_image+0x410/0x410 [ 94.585445][ C0] should_fail+0x383/0x4b0 [ 94.589888][ C0] should_failslab+0x5/0x20 [ 94.594411][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 94.599387][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 94.604611][ C0] ? __alloc_skb+0xf4/0x750 [ 94.609159][ C0] ? neigh_remove_one+0x4d8/0x5e0 [ 94.614206][ C0] __alloc_skb+0xf4/0x750 [ 94.618571][ C0] __neigh_notify+0x142/0x2e0 [ 94.623269][ C0] neigh_cleanup_and_release+0x9d/0x250 [ 94.628832][ C0] neigh_remove_one+0x4e0/0x5e0 [ 94.633703][ C0] ___neigh_create+0x48f/0x2210 [ 94.638589][ C0] ip6_finish_output2+0x9f5/0x1530 [ 94.643730][ C0] ? nf_hook+0x360/0x360 [ 94.647989][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 94.652245][ C0] ? ip6_finish_output+0x627/0x790 [ 94.657397][ C0] ndisc_send_skb+0xb7a/0x1410 [ 94.662203][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 94.667162][ C0] ? rcu_lock_release+0x20/0x20 [ 94.672138][ C0] ? ndisc_send_rs+0x524/0x700 [ 94.676927][ C0] addrconf_rs_timer+0x367/0x640 [ 94.681879][ C0] ? detach_timer+0x33/0x2b0 [ 94.686491][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 94.692584][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 94.698682][ C0] call_timer_fn+0x17b/0x540 [ 94.703303][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 94.709440][ C0] ? __run_timers+0x810/0x810 [ 94.714189][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 94.719407][ C0] ? lockdep_hardirqs_on+0x94/0x140 SYZFAIL: pipe failed (errno 23: Too many open files in system) [ 94.724630][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 94.730718][ C0] __run_timers+0x56c/0x810 [ 94.735269][ C0] ? detach_timer+0x2b0/0x2b0 [ 94.739985][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 94.746001][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 94.750879][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 94.755758][ C0] run_timer_softirq+0x63/0xf0 [ 94.760560][ C0] handle_softirqs+0x336/0x830 [ 94.765390][ C0] ? do_softirq+0x142/0x210 [ 94.769916][ C0] ? do_softirq+0x210/0x210 [ 94.774446][ C0] do_softirq+0x142/0x210 [ 94.778804][ C0] [ 94.781756][ C0] [ 94.784708][ C0] ? __local_bh_enable_ip+0x1c0/0x1c0 [ 94.790101][ C0] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 94.796103][ C0] ? __local_bh_enable_ip+0xd7/0x1c0 [ 94.801445][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 94.806756][ C0] ? cfg80211_bss_update+0x10f6/0x21a0 [ 94.812236][ C0] __local_bh_enable_ip+0x180/0x1c0 [ 94.817465][ C0] ? _local_bh_enable+0xa0/0xa0 [ 94.822438][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 94.827668][ C0] ? cfg80211_bss_update+0x10f6/0x21a0 [ 94.833153][ C0] cfg80211_bss_update+0x10f6/0x21a0 [ 94.838486][ C0] ? cfg80211_inform_bss_frame_data+0x6c7/0x1ed0 [ 94.844860][ C0] cfg80211_inform_bss_frame_data+0x88d/0x1ed0 [ 94.851068][ C0] ? sched_core_alloc_cookie+0x74/0xa0 [ 94.856569][ C0] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 94.862692][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 94.867773][ C0] ieee80211_bss_info_update+0x6ba/0xa80 [ 94.873452][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 94.878692][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 94.884538][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 94.890733][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 94.896481][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 94.902416][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 94.907648][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.913570][ C0] ? _raw_spin_unlock+0x40/0x40 [ 94.918463][ C0] ? kcov_remote_start+0x6a/0x490 [ 94.923537][ C0] ? kcov_remote_start+0xfa/0x490 [ 94.928603][ C0] ieee80211_iface_work+0x714/0xc50 [ 94.933855][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 94.939083][ C0] cfg80211_wiphy_work+0x224/0x260 [ 94.944222][ C0] process_one_work+0x867/0xff0 [ 94.949146][ C0] ? worker_detach_from_pool+0x240/0x240 [ 94.954815][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 94.960147][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 94.965206][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 94.970787][ C0] ? wq_worker_running+0x97/0x170 [ 94.975845][ C0] worker_thread+0xad7/0x12a0 [ 94.980572][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.986552][ C0] kthread+0x42e/0x520 [ 94.990661][ C0] ? rcu_lock_release+0x20/0x20 [ 94.995537][ C0] ? kthread_blkcg+0xd0/0xd0 [ 95.000147][ C0] ret_from_fork+0x1f/0x30 [ 95.004646][ C0] [ 95.012071][ C0] FAULT_INJECTION: forcing a failure. [ 95.012071][ C0] name failslab, interval 1, probability 1, space 0, times 940 [ 95.024920][ C0] CPU: 0 PID: 4245 Comm: kworker/u4:7 Not tainted syzkaller #0 [ 95.032501][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 95.042613][ C0] Workqueue: events_unbound cfg80211_wiphy_work [ 95.048899][ C0] Call Trace: [ 95.052204][ C0] [ 95.055076][ C0] dump_stack_lvl+0x188/0x250 [ 95.059790][ C0] ? show_regs_print_info+0x20/0x20 [ 95.065016][ C0] ? load_image+0x410/0x410 [ 95.069539][ C0] ? prandom_u32+0x217/0x250 [ 95.074158][ C0] should_fail+0x383/0x4b0 [ 95.078603][ C0] should_failslab+0x5/0x20 [ 95.083124][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 95.088086][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 95.093298][ C0] ? __alloc_skb+0xf4/0x750 [ 95.097830][ C0] __alloc_skb+0xf4/0x750 [ 95.102184][ C0] skb_copy+0x122/0x6f0 [ 95.106369][ C0] mac80211_hwsim_tx_frame_no_nl+0xc88/0x15c0 [ 95.112471][ C0] ? seqcount_lockdep_reader_access+0xa0/0x1d0 [ 95.116489][ T4242] FAULT_INJECTION: forcing a failure. [ 95.116489][ T4242] name failslab, interval 1, probability 1, space 0, times 939 [ 95.118658][ C0] ? mac80211_hwsim_tx_frame_nl+0xba0/0xba0 [ 95.118705][ C0] mac80211_hwsim_tx_frame+0x1b5/0x200 [ 95.142986][ C0] mac80211_hwsim_beacon_tx+0x4d0/0x900 [ 95.148565][ C0] __iterate_interfaces+0x225/0x4c0 [ 95.153786][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 95.160078][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 95.166344][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 95.173416][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 95.178636][ C0] ? hw_scan_work+0xef0/0xef0 [ 95.183332][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 95.188567][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 95.193712][ C0] hrtimer_run_softirq+0x176/0x240 [ 95.198875][ C0] handle_softirqs+0x336/0x830 [ 95.203663][ C0] ? do_softirq+0x142/0x210 [ 95.208187][ C0] ? do_softirq+0x210/0x210 [ 95.212714][ C0] do_softirq+0x142/0x210 [ 95.217063][ C0] [ 95.220006][ C0] [ 95.222953][ C0] ? __local_bh_enable_ip+0x1c0/0x1c0 [ 95.228345][ C0] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 95.234350][ C0] ? __local_bh_enable_ip+0xd7/0x1c0 [ 95.239659][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 95.244963][ C0] ? cfg80211_bss_update+0x10f6/0x21a0 [ 95.250441][ C0] __local_bh_enable_ip+0x180/0x1c0 [ 95.255655][ C0] ? _local_bh_enable+0xa0/0xa0 [ 95.260522][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 95.265742][ C0] ? cfg80211_bss_update+0x10f6/0x21a0 [ 95.271223][ C0] cfg80211_bss_update+0x10f6/0x21a0 [ 95.276544][ C0] ? cfg80211_inform_bss_frame_data+0x6c7/0x1ed0 [ 95.282901][ C0] cfg80211_inform_bss_frame_data+0x88d/0x1ed0 [ 95.289086][ C0] ? sched_core_alloc_cookie+0x74/0xa0 [ 95.294567][ C0] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 95.300691][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 95.305741][ C0] ieee80211_bss_info_update+0x6ba/0xa80 [ 95.311400][ C0] ? ieee80211_rx_bss_put+0x60/0x60 [ 95.316622][ C0] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 95.322457][ C0] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 95.328653][ C0] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 95.334392][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 95.340305][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 95.345530][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 95.351452][ C0] ? _raw_spin_unlock+0x40/0x40 [ 95.356329][ C0] ? kcov_remote_start+0x6a/0x490 [ 95.361518][ C0] ? kcov_remote_start+0xfa/0x490 [ 95.366588][ C0] ieee80211_iface_work+0x714/0xc50 [ 95.371828][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 95.377056][ C0] cfg80211_wiphy_work+0x224/0x260 [ 95.382203][ C0] process_one_work+0x867/0xff0 [ 95.387089][ C0] ? worker_detach_from_pool+0x240/0x240 [ 95.392750][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 95.398061][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 95.403118][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 95.408691][ C0] ? wq_worker_running+0x97/0x170 [ 95.413735][ C0] worker_thread+0xad7/0x12a0 [ 95.418448][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 95.424364][ C0] kthread+0x42e/0x520 [ 95.428449][ C0] ? rcu_lock_release+0x20/0x20 [ 95.433317][ C0] ? kthread_blkcg+0xd0/0xd0 [ 95.437930][ C0] ret_from_fork+0x1f/0x30 [ 95.442380][ C0] [ 95.445412][ T4242] CPU: 1 PID: 4242 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 95.452993][ T4242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 95.462984][ T4245] FAULT_INJECTION: forcing a failure. [ 95.462984][ T4245] name failslab, interval 1, probability 1, space 0, times 938 [ 95.475827][ T4242] Workqueue: writeback wb_workfn (flush-8:0) [ 95.481850][ T4242] Call Trace: [ 95.485148][ T4242] [ 95.488096][ T4242] dump_stack_lvl+0x188/0x250 [ 95.492848][ T4242] ? lockdep_hardirqs_on+0x94/0x140 [ 95.498067][ T4242] ? show_regs_print_info+0x20/0x20 [ 95.503316][ T4242] ? load_image+0x410/0x410 [ 95.507865][ T4242] ? prandom_u32+0x217/0x250 [ 95.512486][ T4242] should_fail+0x383/0x4b0 [ 95.516935][ T4242] should_failslab+0x5/0x20 [ 95.521462][ T4242] slab_pre_alloc_hook+0x51/0xc0 [ 95.526420][ T4242] ? __es_insert_extent+0x706/0x17b0 [ 95.531726][ T4242] kmem_cache_alloc+0x3d/0x280 [ 95.536514][ T4242] __es_insert_extent+0x706/0x17b0 [ 95.541669][ T4242] ext4_es_insert_extent+0x5ac/0x2dd0 [ 95.547081][ T4242] ? ext4_es_scan_clu+0x230/0x230 [ 95.552156][ T4242] ? rcu_is_watching+0x11/0xa0 [ 95.556942][ T4242] ? ext4_es_lookup_extent+0x5fd/0x9f0 [ 95.562431][ T4242] ext4_map_blocks+0xcb6/0x1a50 [ 95.567330][ T4242] ? ext4_issue_zeroout+0x250/0x250 [ 95.572588][ T4242] ? ext4_inode_journal_mode+0x372/0x460 [ 95.578243][ T4242] ext4_writepages+0x124a/0x2d40 [ 95.583232][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 95.588030][ T4242] ? mark_lock+0x94/0x320 [ 95.592430][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 95.597481][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 95.602531][ T4242] ? do_raw_spin_unlock+0x11d/0x230 [ 95.607748][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 95.612535][ T4242] do_writepages+0x493/0x700 [ 95.617163][ T4242] ? __writepage+0x130/0x130 [ 95.621778][ T4242] ? writeback_sb_inodes+0x6b7/0x1750 [ 95.627210][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 95.632268][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 95.637343][ T4242] __writeback_single_inode+0x153/0xda0 [ 95.642922][ T4242] writeback_sb_inodes+0xaaa/0x1750 [ 95.648154][ T4242] ? __lock_acquire+0x13dc/0x7b50 [ 95.653214][ T4242] ? queue_io+0x530/0x530 [ 95.657590][ T4242] __writeback_inodes_wb+0x12a/0x3f0 [ 95.662904][ T4242] wb_writeback+0x45e/0xbc0 [ 95.667447][ T4242] ? rcu_lock_release+0x20/0x20 [ 95.672332][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 95.678349][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 95.683422][ T4242] ? cpumask_next+0xb3/0xd0 [ 95.687970][ T4242] wb_workfn+0xb15/0xf20 [ 95.692256][ T4242] ? inode_wait_for_writeback+0x220/0x220 [ 95.698012][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 95.704013][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 95.709055][ T4242] ? read_lock_is_recursive+0x10/0x10 [ 95.714475][ T4242] ? _raw_spin_unlock_irq+0x1f/0x40 [ 95.719701][ T4242] process_one_work+0x867/0xff0 [ 95.724592][ T4242] ? worker_detach_from_pool+0x240/0x240 [ 95.730241][ T4242] ? lockdep_hardirqs_off+0x70/0x100 [ 95.735555][ T4242] ? _raw_spin_lock_irq+0xb7/0xf0 [ 95.740598][ T4242] ? _raw_spin_lock_irqsave+0x100/0x100 [ 95.746163][ T4242] ? wq_worker_running+0x97/0x170 [ 95.751215][ T4242] worker_thread+0xad7/0x12a0 [ 95.755929][ T4242] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 95.761852][ T4242] kthread+0x42e/0x520 [ 95.765940][ T4242] ? rcu_lock_release+0x20/0x20 [ 95.770825][ T4242] ? kthread_blkcg+0xd0/0xd0 [ 95.775477][ T4242] ret_from_fork+0x1f/0x30 [ 95.779955][ T4242] [ 95.782997][ T4245] CPU: 0 PID: 4245 Comm: kworker/u4:7 Not tainted syzkaller #0 [ 95.790769][ T4245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 95.800873][ T4245] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 95.808714][ T4245] Call Trace: [ 95.812042][ T4245] [ 95.814993][ T4245] dump_stack_lvl+0x188/0x250 [ 95.819695][ T4245] ? show_regs_print_info+0x20/0x20 [ 95.824921][ T4245] ? load_image+0x410/0x410 [ 95.829452][ T4245] ? prandom_u32+0x217/0x250 [ 95.834070][ T4245] should_fail+0x383/0x4b0 [ 95.838547][ T4245] should_failslab+0x5/0x20 [ 95.843075][ T4245] slab_pre_alloc_hook+0x51/0xc0 [ 95.848041][ T4245] kmem_cache_alloc_trace+0x47/0x290 [ 95.853367][ T4245] ? batadv_forw_packet_alloc+0x174/0x360 [ 95.859115][ T4245] batadv_forw_packet_alloc+0x174/0x360 [ 95.864688][ T4245] batadv_iv_ogm_queue_add+0x86a/0xdb0 [ 95.870182][ T4245] batadv_iv_ogm_schedule+0xb35/0x1000 [ 95.875667][ T4245] ? pskb_expand_head+0xb45/0x1100 [ 95.880818][ T4245] ? batadv_iv_send_outstanding_bat_ogm_packet+0x800/0x800 [ 95.888039][ T4245] ? batadv_send_skb_packet+0x36e/0x580 [ 95.893615][ T4245] batadv_iv_send_outstanding_bat_ogm_packet+0x6e9/0x800 [ 95.900671][ T4245] process_one_work+0x867/0xff0 [ 95.905562][ T4245] ? worker_detach_from_pool+0x240/0x240 [ 95.911217][ T4245] ? lockdep_hardirqs_off+0x70/0x100 [ 95.916531][ T4245] ? _raw_spin_lock_irq+0xb7/0xf0 [ 95.921621][ T4245] ? _raw_spin_lock_irqsave+0x100/0x100 [ 95.927223][ T4245] ? wq_worker_running+0x97/0x170 [ 95.932285][ T4245] worker_thread+0xad7/0x12a0 [ 95.937002][ T4245] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 95.942934][ T4245] kthread+0x42e/0x520 [ 95.947044][ T4245] ? rcu_lock_release+0x20/0x20 [ 95.951924][ T4245] ? kthread_blkcg+0xd0/0xd0 [ 95.956577][ T4245] ret_from_fork+0x1f/0x30 [ 95.961052][ T4245] [ 95.964092][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 95.971412][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 95.981510][ T9] Workqueue: events_unbound cfg80211_wiphy_work [ 95.982869][ T1108] FAULT_INJECTION: forcing a failure. [ 95.982869][ T1108] name failslab, interval 1, probability 1, space 0, times 936 [ 95.987793][ T9] Call Trace: [ 95.987803][ T9] [ 95.987814][ T9] dump_stack_lvl+0x188/0x250 [ 96.011627][ T9] ? show_regs_print_info+0x20/0x20 [ 96.016874][ T9] ? load_image+0x410/0x410 [ 96.021437][ T9] should_fail+0x383/0x4b0 [ 96.023763][ T1] FAULT_INJECTION: forcing a failure. [ 96.023763][ T1] name failslab, interval 1, probability 1, space 0, times 936 [ 96.025883][ T9] should_failslab+0x5/0x20 [ 96.043152][ T9] slab_pre_alloc_hook+0x51/0xc0 [ 96.048132][ T9] __kmalloc+0x6b/0x340 [ 96.052317][ T9] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 96.058253][ T9] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 96.064027][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 96.069073][ T9] ? ieee80211_queue_delayed_work+0x150/0x150 [ 96.075185][ T9] ieee80211_bss_info_update+0x74d/0xa80 [ 96.080869][ T9] ? ieee80211_rx_bss_put+0x60/0x60 [ 96.086112][ T9] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 96.091951][ T9] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 96.098150][ T9] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 96.103889][ T9] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 96.109802][ T9] ? lockdep_hardirqs_on+0x94/0x140 [ 96.115024][ T9] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 96.120940][ T9] ? _raw_spin_unlock+0x40/0x40 [ 96.125816][ T9] ? kcov_remote_start+0x6a/0x490 [ 96.130879][ T9] ? kcov_remote_start+0xfa/0x490 [ 96.135964][ T9] ieee80211_iface_work+0x714/0xc50 [ 96.141198][ T9] ? _raw_spin_unlock_irq+0x1f/0x40 [ 96.146429][ T9] cfg80211_wiphy_work+0x224/0x260 [ 96.151573][ T9] process_one_work+0x867/0xff0 [ 96.156466][ T9] ? worker_detach_from_pool+0x240/0x240 [ 96.162129][ T9] ? lockdep_hardirqs_off+0x70/0x100 [ 96.167451][ T9] ? _raw_spin_lock_irq+0xb7/0xf0 [ 96.172502][ T9] ? _raw_spin_lock_irqsave+0x100/0x100 [ 96.178092][ T9] ? wq_worker_running+0x97/0x170 [ 96.183159][ T9] worker_thread+0xad7/0x12a0 [ 96.187899][ T9] kthread+0x42e/0x520 [ 96.191995][ T9] ? rcu_lock_release+0x20/0x20 [ 96.196880][ T9] ? kthread_blkcg+0xd0/0xd0 [ 96.201497][ T9] ret_from_fork+0x1f/0x30 [ 96.205957][ T9] [ 96.208991][ T4233] CPU: 0 PID: 4233 Comm: kworker/0:7 Not tainted syzkaller #0 [ 96.216501][ T4233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.226587][ T4233] Workqueue: mld mld_dad_work [ 96.231305][ T4233] Call Trace: [ 96.234613][ T4233] [ 96.237573][ T4233] dump_stack_lvl+0x188/0x250 [ 96.242291][ T4233] ? show_regs_print_info+0x20/0x20 [ 96.247521][ T4233] ? load_image+0x410/0x410 [ 96.252061][ T4233] ? prandom_u32+0x217/0x250 [ 96.256702][ T4233] should_fail+0x383/0x4b0 [ 96.261157][ T4233] should_failslab+0x5/0x20 [ 96.265694][ T4233] slab_pre_alloc_hook+0x51/0xc0 [ 96.270653][ T4233] kmem_cache_alloc_node+0x47/0x2c0 [ 96.275868][ T4233] ? __alloc_skb+0xf4/0x750 [ 96.280390][ T4233] __alloc_skb+0xf4/0x750 [ 96.284741][ T4233] mld_newpack+0x12f/0xba0 [ 96.289185][ T4233] ? mld_sendpack+0xc40/0xc40 [ 96.293885][ T4233] add_grec+0x1364/0x1840 [ 96.298242][ T4233] mld_send_initial_cr+0x288/0x540 [ 96.303373][ T4233] mld_dad_work+0x39/0x470 [ 96.307805][ T4233] process_one_work+0x867/0xff0 [ 96.312686][ T4233] ? worker_detach_from_pool+0x240/0x240 [ 96.318339][ T4233] ? lockdep_hardirqs_off+0x70/0x100 [ 96.323646][ T4233] ? _raw_spin_lock_irq+0xb7/0xf0 [ 96.328691][ T4233] ? _raw_spin_lock_irqsave+0x100/0x100 [ 96.334279][ T4233] ? wq_worker_running+0x97/0x170 [ 96.339325][ T4233] worker_thread+0xad7/0x12a0 [ 96.344039][ T4233] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 96.349962][ T4233] kthread+0x42e/0x520 [ 96.354047][ T4233] ? rcu_lock_release+0x20/0x20 [ 96.358920][ T4233] ? kthread_blkcg+0xd0/0xd0 [ 96.363528][ T4233] ret_from_fork+0x1f/0x30 [ 96.367971][ T4233] [ 96.371765][ T3547] FAULT_INJECTION: forcing a failure. [ 96.371765][ T3547] name failslab, interval 1, probability 1, space 0, times 935 [ 96.384774][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0 [ 96.391399][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.401497][ T1] Call Trace: [ 96.404805][ T1] [ 96.407762][ T1] dump_stack_lvl+0x188/0x250 [ 96.412477][ T1] ? show_regs_print_info+0x20/0x20 [ 96.417706][ T1] ? load_image+0x410/0x410 [ 96.422242][ T1] ? prandom_u32+0x217/0x250 [ 96.426868][ T1] should_fail+0x383/0x4b0 [ 96.431323][ T1] should_failslab+0x5/0x20 [ 96.435853][ T1] slab_pre_alloc_hook+0x51/0xc0 [ 96.440823][ T1] ? posix_lock_inode+0x365/0x3270 [ 96.445964][ T1] kmem_cache_alloc+0x3d/0x280 [ 96.450760][ T1] ? __init_waitqueue_head+0xa4/0x140 [ 96.456198][ T1] posix_lock_inode+0x365/0x3270 [ 96.461173][ T1] ? aa_path_link+0x8a0/0x8a0 [ 96.465883][ T1] ? lockdep_softirqs_off+0x430/0x430 [ 96.471298][ T1] ? posix_lock_file+0x50/0x50 [ 96.476090][ T1] ? bpf_lsm_file_lock+0x5/0x10 [ 96.480967][ T1] fcntl_setlk+0xa7f/0x1060 [ 96.485521][ T1] ? vfs_lock_file+0xd0/0xd0 [ 96.490143][ T1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 96.496201][ T1] ? __might_fault+0xb3/0x110 [ 96.500906][ T1] ? _copy_from_user+0x111/0x170 [ 96.505876][ T1] do_fcntl+0x533/0x1360 [ 96.510149][ T1] ? __context_tracking_exit+0x4c/0x80 [ 96.515641][ T1] ? rcu_lock_release+0x20/0x20 [ 96.520526][ T1] ? __lock_acquire+0x7b50/0x7b50 [ 96.525580][ T1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 96.531626][ T1] ? tomoyo_file_fcntl+0x77/0x210 [ 96.536677][ T1] ? lock_chain_count+0x20/0x20 [ 96.541557][ T1] ? bpf_lsm_file_fcntl+0x5/0x10 [ 96.546546][ T1] ? security_file_fcntl+0x7c/0xa0 [ 96.551695][ T1] __se_sys_fcntl+0xcc/0x190 [ 96.556319][ T1] do_syscall_64+0x4c/0xa0 [ 96.560759][ T1] ? clear_bhb_loop+0x30/0x80 [ 96.565466][ T1] ? clear_bhb_loop+0x30/0x80 [ 96.570181][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 96.576104][ T1] RIP: 0033:0x7f06993d8add [ 96.580544][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 96.600174][ T1] RSP: 002b:00007ffc7b7cf348 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 96.608619][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06993d8add [ 96.616611][ T1] RDX: 00007ffc7b7cf350 RSI: 0000000000000007 RDI: 0000000000000003 [ 96.624598][ T1] RBP: 0000000000000003 R08: 00007ffc7b7cf370 R09: 0000000000000000 [ 96.632586][ T1] R10: 0000000000000008 R11: 0000000000000293 R12: 0000000000000000 [ 96.640570][ T1] R13: 00007ffc7b7cf370 R14: 0000000000000002 R15: 000055c7e1f91d98 [ 96.648572][ T1] [ 96.657369][ T1108] CPU: 0 PID: 1108 Comm: kworker/0:2 Not tainted syzkaller #0 [ 96.664883][ T1108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.674967][ T1108] Workqueue: events request_firmware_work_func [ 96.681168][ T1108] Call Trace: [ 96.684466][ T1108] [ 96.687422][ T1108] dump_stack_lvl+0x188/0x250 [ 96.692134][ T1108] ? show_regs_print_info+0x20/0x20 [ 96.697358][ T1108] ? load_image+0x410/0x410 [ 96.701888][ T1108] ? prandom_u32+0x217/0x250 [ 96.706519][ T1108] should_fail+0x383/0x4b0 [ 96.710975][ T1108] should_failslab+0x5/0x20 [ 96.715502][ T1108] slab_pre_alloc_hook+0x51/0xc0 [ 96.720470][ T1108] kmem_cache_alloc_trace+0x47/0x290 [ 96.725783][ T1108] ? restore_regulatory_settings+0x1a97/0x2ed0 [ 96.731996][ T1108] restore_regulatory_settings+0x1a97/0x2ed0 [ 96.738026][ T1108] ? regulatory_hint_disconnect+0x650/0x650 [ 96.743981][ T1108] ? _request_firmware+0xffd/0x12b0 [ 96.749214][ T1108] regdb_fw_cb+0x163/0x1b0 [ 96.753648][ T1108] ? query_regdb+0xd30/0xd30 [ 96.758252][ T1108] request_firmware_work_func+0xe8/0x1a0 [ 96.763905][ T1108] process_one_work+0x867/0xff0 [ 96.768791][ T1108] ? worker_detach_from_pool+0x240/0x240 [ 96.774440][ T1108] ? lockdep_hardirqs_off+0x70/0x100 [ 96.779772][ T1108] ? _raw_spin_lock_irq+0xb7/0xf0 [ 96.784814][ T1108] ? _raw_spin_lock_irqsave+0x100/0x100 [ 96.790383][ T1108] ? wq_worker_running+0x97/0x170 [ 96.795429][ T1108] worker_thread+0xad7/0x12a0 [ 96.800133][ T1108] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 96.806051][ T1108] kthread+0x42e/0x520 [ 96.810139][ T1108] ? rcu_lock_release+0x20/0x20 [ 96.815005][ T1108] ? kthread_blkcg+0xd0/0xd0 [ 96.819617][ T1108] ret_from_fork+0x1f/0x30 [ 96.824063][ T1108] [ 96.828184][ T4313] FAULT_INJECTION: forcing a failure. [ 96.828184][ T4313] name failslab, interval 1, probability 1, space 0, times 935 [ 96.833140][ T3547] CPU: 0 PID: 3547 Comm: klogd Not tainted syzkaller #0 [ 96.847940][ T3547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.858025][ T3547] Call Trace: [ 96.861319][ T3547] [ 96.864265][ T3547] dump_stack_lvl+0x188/0x250 [ 96.868982][ T3547] ? show_regs_print_info+0x20/0x20 [ 96.874235][ T3547] ? load_image+0x410/0x410 [ 96.878764][ T3547] ? prandom_u32+0x217/0x250 [ 96.883401][ T3547] should_fail+0x383/0x4b0 [ 96.887882][ T3547] should_failslab+0x5/0x20 [ 96.892460][ T3547] slab_pre_alloc_hook+0x51/0xc0 [ 96.897436][ T3547] kmem_cache_alloc_node+0x47/0x2c0 [ 96.902656][ T3547] ? __alloc_skb+0xf4/0x750 [ 96.907186][ T3547] __alloc_skb+0xf4/0x750 [ 96.911585][ T3547] alloc_skb_with_frags+0xa7/0x720 [ 96.916740][ T3547] sock_alloc_send_pskb+0x87f/0x9a0 [ 96.921994][ T3547] ? sock_kzfree_s+0x50/0x50 [ 96.926625][ T3547] ? do_raw_spin_lock+0x128/0x2f0 [ 96.931672][ T3547] ? __rwlock_init+0x140/0x140 [ 96.936457][ T3547] ? mark_lock+0x94/0x320 [ 96.940811][ T3547] ? do_raw_spin_unlock+0x11d/0x230 [ 96.946033][ T3547] unix_dgram_sendmsg+0x6f8/0x19c0 [ 96.951172][ T3547] ? aa_sk_perm+0x7dc/0x910 [ 96.955696][ T3547] ? aa_af_perm+0x340/0x340 [ 96.960223][ T3547] ? unix_dgram_poll+0x680/0x680 [ 96.965190][ T3547] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 96.971631][ T3547] ? apparmor_socket_sendmsg+0x88/0x230 [ 96.977212][ T3547] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 96.982523][ T3547] ? security_socket_sendmsg+0x7c/0xa0 [ 96.988005][ T3547] __sys_sendto+0x46d/0x620 [ 96.992532][ T3547] ? __ia32_sys_getpeername+0x80/0x80 [ 96.997997][ T3547] ? lock_chain_count+0x20/0x20 [ 97.002904][ T3547] __x64_sys_sendto+0xda/0xf0 [ 97.007604][ T3547] do_syscall_64+0x4c/0xa0 [ 97.012041][ T3547] ? clear_bhb_loop+0x30/0x80 [ 97.016731][ T3547] ? clear_bhb_loop+0x30/0x80 [ 97.021417][ T3547] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 97.027326][ T3547] RIP: 0033:0x7f38c794a407 [ 97.031756][ T3547] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 97.051375][ T3547] RSP: 002b:00007ffdbaab6d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 97.059817][ T3547] RAX: ffffffffffffffda RBX: 00007f38c77fac80 RCX: 00007f38c794a407 [ 97.067808][ T3547] RDX: 0000000000000056 RSI: 00007ffdbaab6eb0 RDI: 0000000000000003 [ 97.075792][ T3547] RBP: 00007ffdbaab72e0 R08: 0000000000000000 R09: 0000000000000000 [ 97.083783][ T3547] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffdbaab72f8 [ 97.091773][ T3547] R13: 00007ffdbaab6eb0 R14: 000000000000003b R15: 00007ffdbaab6eb0 [ 97.099767][ T3547] [ 97.105825][ T3851] FAULT_INJECTION: forcing a failure. [ 97.105825][ T3851] name failslab, interval 1, probability 1, space 0, times 932 [ 97.118677][ T3851] CPU: 0 PID: 3851 Comm: dhcpcd Not tainted syzkaller #0 [ 97.122414][ T9] FAULT_INJECTION: forcing a failure. [ 97.122414][ T9] name failslab, interval 1, probability 1, space 0, times 932 [ 97.125723][ T3851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.148551][ T3851] Call Trace: [ 97.151852][ T3851] [ 97.154804][ T3851] dump_stack_lvl+0x188/0x250 [ 97.159509][ T3851] ? copy_process+0x17fb/0x3ec0 [ 97.164385][ T3851] ? __x64_sys_clone+0x19a/0x210 [ 97.169347][ T3851] ? show_regs_print_info+0x20/0x20 [ 97.174570][ T3851] ? load_image+0x410/0x410 [ 97.179102][ T3851] should_fail+0x383/0x4b0 [ 97.183544][ T3851] should_failslab+0x5/0x20 [ 97.188079][ T3851] slab_pre_alloc_hook+0x51/0xc0 [ 97.193037][ T3851] ? anon_vma_clone+0xbc/0x4d0 [ 97.197959][ T3851] kmem_cache_alloc+0x3d/0x280 [ 97.202751][ T3851] anon_vma_clone+0xbc/0x4d0 [ 97.207382][ T3851] anon_vma_fork+0x85/0x520 [ 97.211902][ T3851] ? copy_mm+0x8b6/0x13d0 [ 97.216253][ T3851] ? dup_userfaultfd+0xa7/0x5e0 [ 97.221130][ T3851] copy_mm+0x9df/0x13d0 [ 97.225320][ T3851] ? copy_signal+0x610/0x610 [ 97.229943][ T3851] ? __init_rwsem+0x11e/0x160 [ 97.234644][ T3851] ? copy_signal+0x501/0x610 [ 97.239253][ T3851] copy_process+0x17fb/0x3ec0 [ 97.243965][ T3851] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 97.249971][ T3851] ? __pidfd_prepare+0x140/0x140 [ 97.254936][ T3851] ? verify_lock_unused+0x140/0x140 [ 97.260190][ T3851] kernel_clone+0x23f/0x990 [ 97.264811][ T3851] ? create_io_thread+0x180/0x180 [ 97.269899][ T3851] __x64_sys_clone+0x19a/0x210 [ 97.274688][ T3851] ? __ia32_sys_vfork+0x130/0x130 [ 97.279747][ T3851] ? lockdep_hardirqs_on+0x94/0x140 [ 97.284967][ T3851] do_syscall_64+0x4c/0xa0 [ 97.289408][ T3851] ? clear_bhb_loop+0x30/0x80 [ 97.294113][ T3851] ? clear_bhb_loop+0x30/0x80 [ 97.298810][ T3851] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 97.304722][ T3851] RIP: 0033:0x7f93953d5636 [ 97.309155][ T3851] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 97.328776][ T3851] RSP: 002b:00007fff2c520b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 97.337211][ T3851] RAX: ffffffffffffffda RBX: 00007fff2c520b78 RCX: 00007f93953d5636 [ 97.345200][ T3851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 97.353193][ T3851] RBP: 00007fff2c5410c0 R08: 0000000000000000 R09: 0000000000000001 [ 97.361184][ T3851] R10: 00007f9395301a10 R11: 0000000000000246 R12: 00007fff2c520cb0 [ 97.369170][ T3851] R13: 0000000000000000 R14: 0000000000000000 R15: 00005639c56c3ac0 [ 97.377179][ T3851] [ 97.381207][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 97.388539][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.389509][ T1108] FAULT_INJECTION: forcing a failure. [ 97.389509][ T1108] name failslab, interval 1, probability 1, space 0, times 929 [ 97.398625][ T9] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 97.398657][ T9] Call Trace: [ 97.398665][ T9] [ 97.398674][ T9] dump_stack_lvl+0x188/0x250 [ 97.430151][ T9] ? show_regs_print_info+0x20/0x20 [ 97.435375][ T9] ? load_image+0x410/0x410 [ 97.439905][ T9] ? prandom_u32+0x217/0x250 [ 97.444527][ T9] should_fail+0x383/0x4b0 [ 97.448984][ T9] should_failslab+0x5/0x20 [ 97.453504][ T9] slab_pre_alloc_hook+0x51/0xc0 [ 97.458471][ T9] kmem_cache_alloc_node+0x47/0x2c0 [ 97.463686][ T9] ? __alloc_skb+0xf4/0x750 [ 97.468209][ T9] __alloc_skb+0xf4/0x750 [ 97.472575][ T9] __netdev_alloc_skb+0x110/0x4c0 [ 97.477621][ T9] ? __alloc_skb+0x750/0x750 [ 97.482232][ T9] ? do_raw_spin_unlock+0x11d/0x230 [ 97.487454][ T9] batadv_iv_ogm_queue_add+0x833/0xdb0 [ 97.492947][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 97.498006][ T9] batadv_iv_ogm_schedule+0xb35/0x1000 [ 97.503494][ T9] ? pskb_expand_head+0xb45/0x1100 [ 97.508643][ T9] ? batadv_iv_send_outstanding_bat_ogm_packet+0x800/0x800 [ 97.515866][ T9] ? batadv_send_skb_packet+0x36e/0x580 [ 97.521453][ T9] batadv_iv_send_outstanding_bat_ogm_packet+0x6e9/0x800 [ 97.528526][ T9] process_one_work+0x867/0xff0 [ 97.533421][ T9] ? worker_detach_from_pool+0x240/0x240 [ 97.539077][ T9] ? lockdep_hardirqs_off+0x70/0x100 [ 97.544387][ T9] ? _raw_spin_lock_irq+0xb7/0xf0 [ 97.549441][ T9] ? _raw_spin_lock_irqsave+0x100/0x100 [ 97.555015][ T9] ? wq_worker_running+0x97/0x170 [ 97.560063][ T9] worker_thread+0xad7/0x12a0 [ 97.564787][ T9] kthread+0x42e/0x520 [ 97.568873][ T9] ? rcu_lock_release+0x20/0x20 [ 97.573739][ T9] ? kthread_blkcg+0xd0/0xd0 [ 97.578354][ T9] ret_from_fork+0x1f/0x30 [ 97.582809][ T9] [ 97.585850][ T1108] CPU: 0 PID: 1108 Comm: kworker/0:2 Not tainted syzkaller #0 [ 97.593345][ T1108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.603436][ T1108] Workqueue: events nsim_dev_trap_report_work [ 97.609533][ T1108] Call Trace: [ 97.612829][ T1108] [ 97.615786][ T1108] dump_stack_lvl+0x188/0x250 [ 97.620497][ T1108] ? show_regs_print_info+0x20/0x20 [ 97.625736][ T1108] ? load_image+0x410/0x410 [ 97.630274][ T1108] ? prandom_u32+0x217/0x250 [ 97.634911][ T1108] should_fail+0x383/0x4b0 [ 97.639358][ T1108] should_failslab+0x5/0x20 [ 97.643881][ T1108] slab_pre_alloc_hook+0x51/0xc0 [ 97.648864][ T1108] __kmalloc_node_track_caller+0x68/0x3a0 [ 97.654615][ T1108] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 97.660455][ T1108] ? __alloc_skb+0xf4/0x750 [ 97.664992][ T1108] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 97.670829][ T1108] __alloc_skb+0x22c/0x750 [ 97.675277][ T1108] nsim_dev_trap_report_work+0x25c/0xab0 [ 97.680954][ T1108] process_one_work+0x867/0xff0 [ 97.685850][ T1108] ? worker_detach_from_pool+0x240/0x240 [ 97.691516][ T1108] ? lockdep_hardirqs_off+0x70/0x100 [ 97.696841][ T1108] ? _raw_spin_lock_irq+0xb7/0xf0 [ 97.701905][ T1108] ? _raw_spin_lock_irqsave+0x100/0x100 [ 97.702611][ T23] FAULT_INJECTION: forcing a failure. [ 97.702611][ T23] name failslab, interval 1, probability 1, space 0, times 929 [ 97.707484][ T1108] ? wq_worker_running+0x97/0x170 [ 97.707514][ T1108] worker_thread+0xad7/0x12a0 [ 97.730182][ T1108] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 97.736133][ T1108] kthread+0x42e/0x520 [ 97.740222][ T1108] ? rcu_lock_release+0x20/0x20 [ 97.745241][ T1108] ? kthread_blkcg+0xd0/0xd0 [ 97.749870][ T1108] ret_from_fork+0x1f/0x30 [ 97.754323][ T1108] [ 97.757359][ T23] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted syzkaller #0 [ 97.764295][ T1] FAULT_INJECTION: forcing a failure. [ 97.764295][ T1] name failslab, interval 1, probability 1, space 0, times 927 [ 97.764800][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.781226][ T3547] FAULT_INJECTION: forcing a failure. [ 97.781226][ T3547] name failslab, interval 1, probability 1, space 0, times 926 [ 97.787624][ T23] Workqueue: ipv6_addrconf addrconf_dad_work [ 97.787654][ T23] Call Trace: [ 97.787662][ T23] [ 97.787670][ T23] dump_stack_lvl+0x188/0x250 [ 97.817342][ T23] ? show_regs_print_info+0x20/0x20 [ 97.822567][ T23] ? load_image+0x410/0x410 [ 97.827273][ T23] ? prandom_u32+0x217/0x250 [ 97.831924][ T23] should_fail+0x383/0x4b0 [ 97.836369][ T23] should_failslab+0x5/0x20 [ 97.840895][ T23] slab_pre_alloc_hook+0x51/0xc0 [ 97.845856][ T23] kmem_cache_alloc_trace+0x47/0x290 [ 97.851158][ T23] ? dst_cow_metrics_generic+0x52/0x1b0 [ 97.856771][ T23] dst_cow_metrics_generic+0x52/0x1b0 [ 97.862195][ T23] icmp6_dst_alloc+0x2ca/0x470 [ 97.867104][ T23] ndisc_send_skb+0x3d1/0x1410 [ 97.871910][ T23] ? ndisc_alloc_skb+0x420/0x420 [ 97.876895][ T23] ? ndisc_send_rs+0x524/0x700 [ 97.881693][ T23] addrconf_dad_completed+0x75f/0xc80 [ 97.883283][ T31] FAULT_INJECTION: forcing a failure. [ 97.883283][ T31] name failslab, interval 1, probability 1, space 0, times 926 [ 97.887104][ T23] ? addrconf_dad_stop+0x420/0x420 [ 97.905017][ T23] addrconf_dad_work+0xc83/0x1530 [ 97.910070][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 97.916078][ T23] ? rcu_lock_release+0x20/0x20 [ 97.920957][ T23] ? read_lock_is_recursive+0x10/0x10 [ 97.926347][ T23] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 97.932263][ T23] ? _raw_spin_unlock+0x40/0x40 [ 97.937130][ T23] ? _raw_spin_unlock_irq+0x1f/0x40 [ 97.942351][ T23] process_one_work+0x867/0xff0 [ 97.947245][ T23] ? worker_detach_from_pool+0x240/0x240 [ 97.952897][ T23] ? lockdep_hardirqs_off+0x70/0x100 [ 97.958229][ T23] worker_thread+0xad7/0x12a0 [ 97.962971][ T23] kthread+0x42e/0x520 [ 97.967062][ T23] ? rcu_lock_release+0x20/0x20 [ 97.971929][ T23] ? kthread_blkcg+0xd0/0xd0 [ 97.976538][ T23] ret_from_fork+0x1f/0x30 [ 97.980984][ T23] [ 97.984262][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0 [ 97.990891][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.000989][ T1] Call Trace: [ 98.004293][ T1] [ 98.007239][ T1] dump_stack_lvl+0x188/0x250 [ 98.011943][ T1] ? show_regs_print_info+0x20/0x20 [ 98.017165][ T1] ? load_image+0x410/0x410 [ 98.021708][ T1] ? prandom_u32+0x217/0x250 [ 98.026332][ T1] should_fail+0x383/0x4b0 [ 98.030775][ T1] should_failslab+0x5/0x20 [ 98.035298][ T1] slab_pre_alloc_hook+0x51/0xc0 [ 98.040258][ T1] ? posix_lock_inode+0x242/0x3270 [ 98.045393][ T1] kmem_cache_alloc+0x3d/0x280 [ 98.050183][ T1] posix_lock_inode+0x242/0x3270 [ 98.055141][ T1] ? aa_path_link+0x8a0/0x8a0 [ 98.059836][ T1] ? lockdep_softirqs_off+0x430/0x430 [ 98.065256][ T1] ? posix_lock_file+0x50/0x50 [ 98.070048][ T1] ? bpf_lsm_file_lock+0x5/0x10 [ 98.074922][ T1] fcntl_setlk+0xa7f/0x1060 [ 98.079461][ T1] ? vfs_lock_file+0xd0/0xd0 [ 98.084067][ T1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.090073][ T1] ? __might_fault+0xb3/0x110 [ 98.094773][ T1] ? _copy_from_user+0x111/0x170 [ 98.099746][ T1] do_fcntl+0x533/0x1360 [ 98.104029][ T1] ? __context_tracking_exit+0x4c/0x80 [ 98.109518][ T1] ? rcu_lock_release+0x20/0x20 [ 98.114391][ T1] ? __lock_acquire+0x7b50/0x7b50 [ 98.119459][ T1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.125491][ T1] ? tomoyo_file_fcntl+0x77/0x210 [ 98.130568][ T1] ? lock_chain_count+0x20/0x20 [ 98.132551][ T4242] FAULT_INJECTION: forcing a failure. [ 98.132551][ T4242] name failslab, interval 1, probability 1, space 0, times 925 [ 98.135439][ T1] ? bpf_lsm_file_fcntl+0x5/0x10 [ 98.135464][ T1] ? security_file_fcntl+0x7c/0xa0 [ 98.158441][ T1] __se_sys_fcntl+0xcc/0x190 [ 98.163055][ T1] do_syscall_64+0x4c/0xa0 [ 98.167486][ T1] ? clear_bhb_loop+0x30/0x80 [ 98.172188][ T1] ? clear_bhb_loop+0x30/0x80 [ 98.176928][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 98.182853][ T1] RIP: 0033:0x7f06993d8add [ 98.187290][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 98.206924][ T1] RSP: 002b:00007ffc7b7cf348 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 98.215364][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06993d8add [ 98.223355][ T1] RDX: 00007ffc7b7cf350 RSI: 0000000000000007 RDI: 0000000000000003 [ 98.231349][ T1] RBP: 0000000000000003 R08: 00007ffc7b7cf370 R09: 0000000000000000 [ 98.239335][ T1] R10: 0000000000000008 R11: 0000000000000293 R12: 0000000000000000 [ 98.247326][ T1] R13: 00007ffc7b7cf370 R14: 0000000000000002 R15: 000055c7e1f91d98 [ 98.255336][ T1] [ 98.258373][ T4313] CPU: 1 PID: 4313 Comm: kworker/u4:9 Not tainted syzkaller #0 [ 98.265993][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.276081][ T4313] Workqueue: events_unbound cfg80211_wiphy_work [ 98.282366][ T4313] Call Trace: [ 98.285663][ T4313] [ 98.288617][ T4313] dump_stack_lvl+0x188/0x250 [ 98.293320][ T4313] ? show_regs_print_info+0x20/0x20 [ 98.298550][ T4313] ? load_image+0x410/0x410 [ 98.303083][ T4313] should_fail+0x383/0x4b0 [ 98.307523][ T4313] should_failslab+0x5/0x20 [ 98.312041][ T4313] slab_pre_alloc_hook+0x51/0xc0 [ 98.316997][ T4313] __kmalloc+0x6b/0x340 [ 98.321166][ T4313] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 98.327524][ T4313] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 98.333712][ T4313] ? verify_lock_unused+0x140/0x140 [ 98.338968][ T4313] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 98.345071][ T4313] ? __lock_acquire+0x7b50/0x7b50 [ 98.350128][ T4313] ieee80211_bss_info_update+0x6ba/0xa80 [ 98.355799][ T4313] ? ieee80211_rx_bss_put+0x60/0x60 [ 98.361026][ T4313] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 98.366859][ T4313] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 98.373079][ T4313] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 98.378819][ T4313] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 98.384730][ T4313] ? lockdep_hardirqs_on+0x94/0x140 [ 98.389947][ T4313] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 98.395856][ T4313] ? _raw_spin_unlock+0x40/0x40 [ 98.400724][ T4313] ? kcov_remote_start+0x6a/0x490 [ 98.405786][ T4313] ? kcov_remote_start+0xfa/0x490 [ 98.410837][ T4313] ieee80211_iface_work+0x714/0xc50 [ 98.416065][ T4313] ? _raw_spin_unlock_irq+0x1f/0x40 [ 98.421286][ T4313] cfg80211_wiphy_work+0x224/0x260 [ 98.426428][ T4313] process_one_work+0x867/0xff0 [ 98.431323][ T4313] ? worker_detach_from_pool+0x240/0x240 [ 98.436980][ T4313] ? lockdep_hardirqs_off+0x70/0x100 [ 98.442290][ T4313] ? _raw_spin_lock_irq+0xb7/0xf0 [ 98.447339][ T4313] ? _raw_spin_lock_irqsave+0x100/0x100 [ 98.452906][ T4313] ? wq_worker_running+0x97/0x170 [ 98.457950][ T4313] worker_thread+0xad7/0x12a0 [ 98.462672][ T4313] kthread+0x42e/0x520 [ 98.466762][ T4313] ? rcu_lock_release+0x20/0x20 [ 98.471631][ T4313] ? kthread_blkcg+0xd0/0xd0 [ 98.476249][ T4313] ret_from_fork+0x1f/0x30 [ 98.480699][ T4313] [ 98.483738][ T31] CPU: 0 PID: 31 Comm: kcompactd1 Not tainted syzkaller #0 [ 98.484040][ T9] FAULT_INJECTION: forcing a failure. [ 98.484040][ T9] name failslab, interval 1, probability 1, space 0, times 924 [ 98.490962][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.513794][ T31] Call Trace: [ 98.517097][ T31] [ 98.520043][ T31] dump_stack_lvl+0x188/0x250 [ 98.524743][ T31] ? show_regs_print_info+0x20/0x20 [ 98.529964][ T31] ? load_image+0x410/0x410 [ 98.534490][ T31] ? prandom_u32+0x217/0x250 [ 98.539103][ T31] should_fail+0x383/0x4b0 [ 98.543540][ T31] should_failslab+0x5/0x20 [ 98.548057][ T31] slab_pre_alloc_hook+0x51/0xc0 [ 98.553014][ T31] ? __debug_object_init+0x87f/0xc80 [ 98.558323][ T31] kmem_cache_alloc+0x3d/0x280 [ 98.563108][ T31] __debug_object_init+0x87f/0xc80 [ 98.568246][ T31] ? debug_object_init+0x10/0x10 [ 98.573219][ T31] schedule_timeout+0x12d/0x2d0 [ 98.578095][ T31] ? console_conditional_schedule+0x40/0x40 [ 98.584009][ T31] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 98.589937][ T31] ? prepare_to_wait_event+0x42c/0x460 [ 98.595431][ T31] kcompactd+0x87b/0x1ff0 [ 98.599803][ T31] ? finish_task_switch+0x12f/0x650 [ 98.605048][ T31] ? kcompactd_run+0x110/0x110 [ 98.609840][ T31] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.615847][ T31] ? lock_chain_count+0x20/0x20 [ 98.620740][ T31] ? __rwlock_init+0x140/0x140 [ 98.625534][ T31] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 98.631443][ T31] ? lockdep_hardirqs_on+0x94/0x140 [ 98.636688][ T31] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 98.641878][ T23] FAULT_INJECTION: forcing a failure. [ 98.641878][ T23] name failslab, interval 1, probability 1, space 0, times 923 [ 98.642595][ T31] ? _raw_spin_unlock+0x40/0x40 [ 98.642617][ T31] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 98.666369][ T31] ? init_wait_entry+0xd0/0xd0 [ 98.671162][ T31] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 98.677084][ T31] ? __kthread_parkme+0x14e/0x1b0 [ 98.682137][ T31] kthread+0x42e/0x520 [ 98.686233][ T31] ? kcompactd_run+0x110/0x110 [ 98.691017][ T31] ? kthread_blkcg+0xd0/0xd0 [ 98.695627][ T31] ret_from_fork+0x1f/0x30 [ 98.700076][ T31] [ 98.703108][ T23] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted syzkaller #0 [ 98.703626][ C0] FAULT_INJECTION: forcing a failure. [ 98.703626][ C0] name failslab, interval 1, probability 1, space 0, times 923 [ 98.710420][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.733257][ T23] Workqueue: ipv6_addrconf addrconf_dad_work [ 98.739265][ T23] Call Trace: [ 98.742558][ T23] [ 98.745507][ T23] dump_stack_lvl+0x188/0x250 [ 98.750233][ T23] ? show_regs_print_info+0x20/0x20 [ 98.755456][ T23] ? load_image+0x410/0x410 [ 98.759985][ T23] ? prandom_u32+0x217/0x250 [ 98.764605][ T23] should_fail+0x383/0x4b0 [ 98.769043][ T23] should_failslab+0x5/0x20 [ 98.773565][ T23] slab_pre_alloc_hook+0x51/0xc0 [ 98.778524][ T23] ? fib6_add_1+0x98a/0x13c0 [ 98.783130][ T23] kmem_cache_alloc+0x3d/0x280 [ 98.787931][ T23] fib6_add_1+0x98a/0x13c0 [ 98.792395][ T23] fib6_add+0x1e0/0x3ee0 [ 98.796671][ T23] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 98.802582][ T23] ? _raw_spin_unlock+0x40/0x40 [ 98.807495][ T23] ? fib6_update_sernum_stub+0x110/0x110 [ 98.813190][ T23] ? do_raw_spin_lock+0x128/0x2f0 [ 98.818245][ T23] ? __rwlock_init+0x140/0x140 [ 98.823032][ T23] ? ip6_ins_rt+0xbd/0x130 [ 98.827468][ T23] ip6_ins_rt+0xd3/0x130 [ 98.831733][ T23] ? rt6_lookup+0x220/0x220 [ 98.836283][ T23] ? nlmsg_notify+0xdf/0x190 [ 98.840896][ T23] ? nlmsg_notify+0x13e/0x190 [ 98.845602][ T23] __ipv6_ifa_notify+0x4e4/0xe60 [ 98.850565][ T23] ? inet6_fill_ifla6_attrs+0x2740/0x2740 [ 98.856305][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.862309][ T23] ? lock_chain_count+0x20/0x20 [ 98.867180][ T23] ? __lock_acquire+0x13dc/0x7b50 [ 98.872230][ T23] ? __cancel_work+0x1f9/0x2e0 [ 98.877011][ T23] ? lockdep_hardirqs_on+0x94/0x140 [ 98.882259][ T23] ? __cancel_work+0x27b/0x2e0 [ 98.887042][ T23] ? cancel_work+0x20/0x20 [ 98.891472][ T23] ? lock_chain_count+0x20/0x20 [ 98.896344][ T23] addrconf_dad_completed+0x186/0xc80 [ 98.901738][ T23] ? addrconf_dad_stop+0x420/0x420 [ 98.906875][ T23] addrconf_dad_work+0xc83/0x1530 [ 98.911943][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.917950][ T23] ? rcu_lock_release+0x20/0x20 [ 98.922817][ T23] ? read_lock_is_recursive+0x10/0x10 [ 98.928208][ T23] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 98.934119][ T23] ? _raw_spin_unlock+0x40/0x40 [ 98.938990][ T23] ? _raw_spin_unlock_irq+0x1f/0x40 [ 98.944209][ T23] process_one_work+0x867/0xff0 [ 98.949095][ T23] ? worker_detach_from_pool+0x240/0x240 [ 98.954743][ T23] ? lockdep_hardirqs_off+0x70/0x100 [ 98.960062][ T23] worker_thread+0xad7/0x12a0 [ 98.964784][ T23] kthread+0x42e/0x520 [ 98.968880][ T23] ? rcu_lock_release+0x20/0x20 [ 98.973748][ T23] ? kthread_blkcg+0xd0/0xd0 [ 98.978359][ T23] ret_from_fork+0x1f/0x30 [ 98.982810][ T23] [ 98.985841][ C0] CPU: 0 PID: 31 Comm: kcompactd1 Not tainted syzkaller #0 [ 98.993077][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 99.003149][ C0] Call Trace: [ 99.006465][ C0] [ 99.009320][ C0] dump_stack_lvl+0x188/0x250 [ 99.014019][ C0] ? verify_lock_unused+0x140/0x140 [ 99.019243][ C0] ? show_regs_print_info+0x20/0x20 [ 99.024463][ C0] ? load_image+0x410/0x410 [ 99.028981][ C0] ? __lock_acquire+0x1305/0x7b50 [ 99.034021][ C0] ? prandom_u32+0x217/0x250 [ 99.038668][ C0] should_fail+0x383/0x4b0 [ 99.043106][ C0] should_failslab+0x5/0x20 [ 99.047628][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 99.052581][ C0] ? dst_alloc+0x101/0x160 [ 99.057013][ C0] kmem_cache_alloc+0x3d/0x280 [ 99.061800][ C0] ? ipv6_sysctl_rtcache_flush+0xf0/0xf0 [ 99.067450][ C0] dst_alloc+0x101/0x160 [ 99.071717][ C0] icmp6_dst_alloc+0x7e/0x470 [ 99.076420][ C0] ? icmpv6_flow_init+0x5e/0x120 [ 99.081385][ C0] ndisc_send_skb+0x3d1/0x1410 [ 99.086184][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 99.091148][ C0] ? memset+0x1e/0x40 [ 99.095153][ C0] ? ndisc_send_rs+0x524/0x700 [ 99.099940][ C0] addrconf_rs_timer+0x367/0x640 [ 99.104901][ C0] ? detach_timer+0x33/0x2b0 [ 99.109516][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 99.115609][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 99.121692][ C0] call_timer_fn+0x17b/0x540 [ 99.126304][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 99.132392][ C0] ? __run_timers+0x810/0x810 [ 99.137100][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 99.142314][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 99.147534][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 99.153636][ C0] __run_timers+0x56c/0x810 [ 99.158178][ C0] ? detach_timer+0x2b0/0x2b0 [ 99.162870][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 99.168884][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 99.173755][ C0] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 99.180022][ C0] run_timer_softirq+0x63/0xf0 [ 99.184807][ C0] handle_softirqs+0x336/0x830 [ 99.189600][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 99.194469][ C0] ? do_softirq+0x210/0x210 [ 99.198993][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 99.204128][ C0] ? irqtime_account_irq+0xb2/0x1b0 [ 99.209348][ C0] __irq_exit_rcu+0x13b/0x230 [ 99.212628][ T3558] FAULT_INJECTION: forcing a failure. [ 99.212628][ T3558] name failslab, interval 1, probability 1, space 0, times 922 [ 99.214040][ C0] ? irq_exit_rcu+0x20/0x20 [ 99.231331][ C0] irq_exit_rcu+0x5/0x20 [ 99.235616][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 99.241272][ C0] [ 99.244224][ C0] [ 99.247172][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 99.253170][ C0] RIP: 0010:preempt_schedule_irq+0xb6/0x160 [ 99.259085][ C0] Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 f5 e6 89 f7 e8 e0 c7 b6 f7 fb bf 01 00 00 00 d5 b5 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f [ 99.278709][ C0] RSP: 0018:ffffc90000e6f580 EFLAGS: 00000282 [ 99.284804][ C0] RAX: 634286314db64f00 RBX: 0000000000000000 RCX: 634286314db64f00 [ 99.292796][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: 0000000000000001 [ 99.300784][ C0] RBP: ffffc90000e6f620 R08: ffffffff8d8b0def R09: 1ffffffff1b161bd [ 99.308772][ C0] R10: dffffc0000000000 R11: fffffbfff1b161be R12: 0000000000000000 [ 99.316763][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001cdeb0 [ 99.324782][ C0] ? __cond_resched+0xd0/0xd0 [ 99.329488][ C0] ? rcu_irq_exit_check_preempt+0xdb/0x200 [ 99.335319][ C0] irqentry_exit+0x63/0x70 [ 99.339753][ C0] asm_sysvec_reschedule_ipi+0x16/0x20 [ 99.345234][ C0] RIP: 0010:dump_stack_lvl+0x20e/0x250 [ 99.350745][ C0] Code: e8 77 d5 c0 f7 48 bb 00 00 00 00 00 fc ff df 4d 85 ed 75 07 e8 63 d5 c0 f7 eb 06 e8 5c d5 c0 f7 fb 48 c7 44 24 20 0e 36 e0 45 <31> c0 49 89 04 1f 49 89 44 1f 08 65 48 8b 04 25 28 00 00 00 48 3b [ 99.370367][ C0] RSP: 0018:ffffc90000e6f6e0 EFLAGS: 00000293 [ 99.372618][ T4313] FAULT_INJECTION: forcing a failure. [ 99.372618][ T4313] name failslab, interval 1, probability 1, space 0, times 921 [ 99.376456][ C0] RAX: ffffffff89b82c24 RBX: dffffc0000000000 RCX: ffff888018dd1dc0 [ 99.397195][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 99.405180][ C0] RBP: ffffc90000e6f7d8 R08: 0000000000000003 R09: 0000000000000004 [ 99.413172][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 99.421162][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920001cdee0 [ 99.429156][ C0] ? dump_stack_lvl+0x204/0x250 [ 99.434047][ C0] ? show_regs_print_info+0x20/0x20 [ 99.439268][ C0] ? load_image+0x410/0x410 [ 99.443793][ C0] ? prandom_u32+0x217/0x250 [ 99.448414][ C0] should_fail+0x383/0x4b0 [ 99.452850][ C0] should_failslab+0x5/0x20 [ 99.457409][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 99.462370][ C0] ? __debug_object_init+0x87f/0xc80 [ 99.467697][ C0] kmem_cache_alloc+0x3d/0x280 [ 99.472485][ C0] __debug_object_init+0x87f/0xc80 [ 99.477624][ C0] ? debug_object_init+0x10/0x10 [ 99.482617][ C0] schedule_timeout+0x12d/0x2d0 [ 99.487492][ C0] ? console_conditional_schedule+0x40/0x40 [ 99.493410][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 99.499328][ C0] ? prepare_to_wait_event+0x42c/0x460 [ 99.504811][ C0] kcompactd+0x87b/0x1ff0 [ 99.509191][ C0] ? finish_task_switch+0x12f/0x650 [ 99.514417][ C0] ? kcompactd_run+0x110/0x110 [ 99.519209][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 99.525217][ C0] ? lock_chain_count+0x20/0x20 [ 99.530086][ C0] ? __rwlock_init+0x140/0x140 [ 99.534873][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 99.540791][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 99.546008][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 99.551919][ C0] ? _raw_spin_unlock+0x40/0x40 [ 99.556793][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 99.562709][ C0] ? init_wait_entry+0xd0/0xd0 [ 99.567497][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 99.573408][ C0] ? __kthread_parkme+0x14e/0x1b0 [ 99.578477][ C0] kthread+0x42e/0x520 [ 99.582563][ C0] ? kcompactd_run+0x110/0x110 [ 99.587370][ C0] ? kthread_blkcg+0xd0/0xd0 [ 99.591980][ C0] ret_from_fork+0x1f/0x30 [ 99.596429][ C0] [ 99.599461][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 99.606822][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 99.616907][ T9] Workqueue: events_unbound cfg80211_wiphy_work [ 99.622608][ C0] FAULT_INJECTION: forcing a failure. [ 99.622608][ C0] name failslab, interval 1, probability 1, space 0, times 920 [ 99.623181][ T9] Call Trace: [ 99.623191][ T9] [ 99.642180][ T9] dump_stack_lvl+0x188/0x250 [ 99.646894][ T9] ? show_regs_print_info+0x20/0x20 [ 99.652119][ T9] ? load_image+0x410/0x410 [ 99.656677][ T9] should_fail+0x383/0x4b0 [ 99.661119][ T9] should_failslab+0x5/0x20 [ 99.665659][ T9] slab_pre_alloc_hook+0x51/0xc0 [ 99.670638][ T9] __kmalloc+0x6b/0x340 [ 99.674815][ T9] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 99.681173][ T9] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 99.687366][ T9] ? verify_lock_unused+0x140/0x140 [ 99.692596][ T9] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 99.698695][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 99.703751][ T9] ieee80211_bss_info_update+0x6ba/0xa80 [ 99.709441][ T9] ? ieee80211_rx_bss_put+0x60/0x60 [ 99.714691][ T9] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 99.720526][ T9] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 99.726721][ T9] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 99.732462][ T9] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 99.738378][ T9] ? lockdep_hardirqs_on+0x94/0x140 [ 99.743602][ T9] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 99.749518][ T9] ? _raw_spin_unlock+0x40/0x40 [ 99.754389][ T9] ? kcov_remote_start+0x6a/0x490 [ 99.759437][ T9] ? kcov_remote_start+0xfa/0x490 [ 99.764484][ T9] ieee80211_iface_work+0x714/0xc50 [ 99.769701][ T9] ? _raw_spin_unlock_irq+0x1f/0x40 [ 99.774919][ T9] cfg80211_wiphy_work+0x224/0x260 [ 99.780076][ T9] process_one_work+0x867/0xff0 [ 99.784959][ T9] ? worker_detach_from_pool+0x240/0x240 [ 99.790613][ T9] ? lockdep_hardirqs_off+0x70/0x100 [ 99.795924][ T9] ? _raw_spin_lock_irq+0xb7/0xf0 [ 99.800968][ T9] ? _raw_spin_lock_irqsave+0x100/0x100 [ 99.806559][ T9] ? wq_worker_running+0x97/0x170 [ 99.811615][ T9] worker_thread+0xad7/0x12a0 [ 99.816364][ T9] kthread+0x42e/0x520 [ 99.820475][ T9] ? rcu_lock_release+0x20/0x20 [ 99.825363][ T9] ? kthread_blkcg+0xd0/0xd0 [ 99.829979][ T9] ret_from_fork+0x1f/0x30 [ 99.834431][ T9] [ 99.837494][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 99.844814][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 99.854887][ C0] Call Trace: [ 99.858186][ C0] [ 99.861132][ C0] dump_stack_lvl+0x188/0x250 [ 99.865870][ C0] ? show_regs_print_info+0x20/0x20 [ 99.871112][ C0] ? load_image+0x410/0x410 [ 99.875637][ C0] ? prandom_u32+0x217/0x250 [ 99.880283][ C0] should_fail+0x383/0x4b0 [ 99.884728][ C0] should_failslab+0x5/0x20 [ 99.889251][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 99.894209][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 99.899428][ C0] ? __alloc_skb+0xf4/0x750 [ 99.903958][ C0] __alloc_skb+0xf4/0x750 [ 99.908306][ C0] __netdev_alloc_skb+0x110/0x4c0 [ 99.913360][ C0] ? __alloc_skb+0x750/0x750 [ 99.917968][ C0] ? mark_lock+0x94/0x320 [ 99.922327][ C0] __ieee80211_beacon_get+0xa8f/0x1ff0 [ 99.927817][ C0] ? verify_lock_unused+0x140/0x140 [ 99.933081][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 99.939105][ C0] ? verify_lock_unused+0x140/0x140 [ 99.944354][ C0] ieee80211_beacon_get_tim+0x48/0x840 [ 99.949836][ C0] mac80211_hwsim_beacon_tx+0x104/0x900 [ 99.955410][ C0] __iterate_interfaces+0x225/0x4c0 [ 99.960635][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 99.966896][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 99.973164][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 99.980216][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 99.985466][ C0] ? hw_scan_work+0xef0/0xef0 [ 99.990173][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 99.995457][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 100.000601][ C0] hrtimer_run_softirq+0x176/0x240 [ 100.005735][ C0] handle_softirqs+0x336/0x830 [ 100.010541][ C0] ? run_ksoftirqd+0xa4/0x100 [ 100.015240][ C0] ? do_softirq+0x210/0x210 [ 100.019759][ C0] ? run_ksoftirqd+0x81/0x100 [ 100.024453][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 100.029674][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 100.034979][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 100.040193][ C0] run_ksoftirqd+0xa4/0x100 [ 100.044716][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 100.049942][ C0] smpboot_thread_fn+0x520/0x990 [ 100.054907][ C0] kthread+0x42e/0x520 [ 100.058994][ C0] ? cpu_report_death+0x180/0x180 [ 100.064049][ C0] ? kthread_blkcg+0xd0/0xd0 [ 100.068662][ C0] ret_from_fork+0x1f/0x30 [ 100.073110][ C0] [ 100.076147][ T3558] CPU: 1 PID: 3558 Comm: udevd Not tainted syzkaller #0 [ 100.083116][ T3558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.093186][ T3558] Call Trace: [ 100.096497][ T3558] [ 100.099455][ T3558] dump_stack_lvl+0x188/0x250 [ 100.104184][ T3558] ? show_regs_print_info+0x20/0x20 [ 100.109409][ T3558] ? load_image+0x410/0x410 [ 100.113932][ T3558] ? prandom_u32+0x217/0x250 [ 100.118552][ T3558] should_fail+0x383/0x4b0 [ 100.123002][ T3558] should_failslab+0x5/0x20 [ 100.127523][ T3558] slab_pre_alloc_hook+0x51/0xc0 [ 100.132476][ T3558] ? getname_flags+0xb7/0x4f0 [ 100.137168][ T3558] kmem_cache_alloc+0x3d/0x280 [ 100.141957][ T3558] getname_flags+0xb7/0x4f0 [ 100.146477][ T3558] ? cp_new_stat+0x3d0/0x540 [ 100.151082][ T3558] user_path_at_empty+0x2a/0x190 [ 100.156039][ T3558] vfs_statx+0x107/0x4c0 [ 100.160313][ T3558] ? vfs_fstatat+0x40/0x40 [ 100.164759][ T3558] __x64_sys_newfstatat+0x15f/0x200 [ 100.169985][ T3558] ? __ia32_sys_newlstat+0x1c0/0x1c0 [ 100.175300][ T3558] ? lock_chain_count+0x20/0x20 [ 100.180180][ T3558] ? lockdep_hardirqs_on+0x94/0x140 [ 100.185397][ T3558] do_syscall_64+0x4c/0xa0 [ 100.189834][ T3558] ? clear_bhb_loop+0x30/0x80 [ 100.194532][ T3558] ? clear_bhb_loop+0x30/0x80 [ 100.199230][ T3558] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 100.205145][ T3558] RIP: 0033:0x7fb7692d9b0a [ 100.209578][ T3558] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 100.229229][ T3558] RSP: 002b:00007ffdaa058ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 100.236171][ T13] FAULT_INJECTION: forcing a failure. [ 100.236171][ T13] name failslab, interval 1, probability 1, space 0, times 919 [ 100.237678][ T3558] RAX: ffffffffffffffda RBX: 000055ab74a39418 RCX: 00007fb7692d9b0a [ 100.258439][ T3558] RDX: 00007ffdaa058bb0 RSI: 000055ab74a27ef3 RDI: 00000000ffffff9c [ 100.266427][ T3558] RBP: 000055ab9fca3148 R08: 000657b2af64eccd R09: 0007ff2d0af005b2 [ 100.274419][ T3558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 100.282417][ T3558] R13: 00007ffdaa058bb0 R14: 0000000000000000 R15: 000657b2af64eccd [ 100.290421][ T3558] [ 100.293457][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 100.300802][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.310884][ T13] Workqueue: events nsim_dev_trap_report_work [ 100.316974][ T13] Call Trace: [ 100.320267][ T13] [ 100.323213][ T13] dump_stack_lvl+0x188/0x250 [ 100.327914][ T13] ? show_regs_print_info+0x20/0x20 [ 100.333137][ T13] ? load_image+0x410/0x410 [ 100.337693][ T13] ? prandom_u32+0x217/0x250 [ 100.342333][ T13] should_fail+0x383/0x4b0 [ 100.346775][ T13] should_failslab+0x5/0x20 [ 100.351294][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 100.356254][ T13] __kmalloc_node_track_caller+0x68/0x3a0 [ 100.362000][ T13] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 100.367828][ T13] ? __alloc_skb+0xf4/0x750 [ 100.372352][ T13] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 100.378184][ T13] __alloc_skb+0x22c/0x750 [ 100.382653][ T13] nsim_dev_trap_report_work+0x25c/0xab0 [ 100.388350][ T13] process_one_work+0x867/0xff0 [ 100.393058][ T23] FAULT_INJECTION: forcing a failure. [ 100.393058][ T23] name failslab, interval 1, probability 1, space 0, times 919 [ 100.393242][ T13] ? worker_detach_from_pool+0x240/0x240 [ 100.411622][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 100.416935][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 100.421979][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 100.427547][ T13] ? wq_worker_running+0x97/0x170 [ 100.432596][ T13] worker_thread+0xad7/0x12a0 [ 100.437325][ T13] kthread+0x42e/0x520 [ 100.441465][ T13] ? rcu_lock_release+0x20/0x20 [ 100.446340][ T13] ? kthread_blkcg+0xd0/0xd0 [ 100.450950][ T13] ret_from_fork+0x1f/0x30 [ 100.455406][ T13] [ 100.458439][ T23] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted syzkaller #0 [ 100.465759][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.475856][ T23] Workqueue: ipv6_addrconf addrconf_dad_work [ 100.481873][ T23] Call Trace: [ 100.485179][ T23] [ 100.488128][ T23] dump_stack_lvl+0x188/0x250 [ 100.492870][ T23] ? verify_lock_unused+0x140/0x140 [ 100.498139][ T23] ? show_regs_print_info+0x20/0x20 [ 100.503378][ T23] ? load_image+0x410/0x410 [ 100.507938][ T23] should_fail+0x383/0x4b0 [ 100.512384][ T23] should_failslab+0x5/0x20 [ 100.516919][ T23] slab_pre_alloc_hook+0x51/0xc0 [ 100.521882][ T23] kmem_cache_alloc_node+0x47/0x2c0 [ 100.527113][ T23] ? __alloc_skb+0xf4/0x750 [ 100.531642][ T23] ? neigh_remove_one+0x4d8/0x5e0 [ 100.536693][ T23] __alloc_skb+0xf4/0x750 [ 100.541052][ T23] __neigh_notify+0x142/0x2e0 [ 100.545754][ T23] neigh_cleanup_and_release+0x9d/0x250 [ 100.551326][ T23] neigh_remove_one+0x4e0/0x5e0 [ 100.556198][ T23] ___neigh_create+0x48f/0x2210 [ 100.561111][ T23] ip6_finish_output2+0x9f5/0x1530 [ 100.566260][ T23] ? nf_hook+0x360/0x360 [ 100.570524][ T23] ? ip6_mtu+0x2fb/0x3d0 [ 100.574795][ T23] ? ip6_finish_output+0x627/0x790 [ 100.579957][ T23] ndisc_send_skb+0xb7a/0x1410 [ 100.584773][ T23] ? ndisc_alloc_skb+0x420/0x420 [ 100.589747][ T23] ? rcu_lock_release+0x20/0x20 [ 100.594640][ T23] ? ndisc_send_rs+0x524/0x700 [ 100.599445][ T23] addrconf_dad_completed+0x75f/0xc80 [ 100.604848][ T23] ? addrconf_dad_stop+0x420/0x420 [ 100.609988][ T23] addrconf_dad_work+0xc83/0x1530 [ 100.615068][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 100.621087][ T23] ? rcu_lock_release+0x20/0x20 [ 100.625975][ T23] ? read_lock_is_recursive+0x10/0x10 [ 100.631372][ T23] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.637417][ T23] ? _raw_spin_unlock+0x40/0x40 [ 100.642297][ T23] ? _raw_spin_unlock_irq+0x1f/0x40 [ 100.647528][ T23] process_one_work+0x867/0xff0 [ 100.652418][ T23] ? worker_detach_from_pool+0x240/0x240 [ 100.658068][ T23] ? lockdep_hardirqs_off+0x70/0x100 [ 100.663391][ T23] worker_thread+0xad7/0x12a0 [ 100.668114][ T23] kthread+0x42e/0x520 [ 100.672204][ T23] ? rcu_lock_release+0x20/0x20 [ 100.677084][ T23] ? kthread_blkcg+0xd0/0xd0 [ 100.681701][ T23] ret_from_fork+0x1f/0x30 [ 100.686159][ T23] [ 100.689202][ T144] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 100.696705][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.706792][ T144] Workqueue: events_unbound cfg80211_wiphy_work [ 100.713071][ T144] Call Trace: [ 100.716370][ T144] [ 100.719317][ T144] dump_stack_lvl+0x188/0x250 [ 100.724027][ T144] ? show_regs_print_info+0x20/0x20 [ 100.729267][ T144] ? load_image+0x410/0x410 [ 100.733808][ T144] should_fail+0x383/0x4b0 [ 100.738255][ T144] should_failslab+0x5/0x20 [ 100.742778][ T144] slab_pre_alloc_hook+0x51/0xc0 [ 100.747736][ T144] __kmalloc+0x6b/0x340 [ 100.751903][ T144] ? ieee802_11_parse_elems_crc+0xb3/0x1090 [ 100.757823][ T144] ieee802_11_parse_elems_crc+0xb3/0x1090 [ 100.763580][ T144] ? __lock_acquire+0x7b50/0x7b50 [ 100.768624][ T144] ? ieee80211_queue_delayed_work+0x150/0x150 [ 100.774715][ T144] ieee80211_bss_info_update+0x74d/0xa80 [ 100.780409][ T144] ? ieee80211_rx_bss_put+0x60/0x60 [ 100.785634][ T144] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 100.791464][ T144] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 100.797661][ T144] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 100.803422][ T144] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 100.809338][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 100.814561][ T144] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.820470][ T144] ? _raw_spin_unlock+0x40/0x40 [ 100.825340][ T144] ? kcov_remote_start+0x6a/0x490 [ 100.830390][ T144] ? kcov_remote_start+0xfa/0x490 [ 100.835449][ T144] ieee80211_iface_work+0x714/0xc50 [ 100.840682][ T144] ? _raw_spin_unlock_irq+0x1f/0x40 [ 100.845904][ T144] cfg80211_wiphy_work+0x224/0x260 [ 100.851046][ T144] process_one_work+0x867/0xff0 [ 100.855933][ T144] ? worker_detach_from_pool+0x240/0x240 [ 100.861589][ T144] ? lockdep_hardirqs_off+0x70/0x100 [ 100.866899][ T144] ? _raw_spin_lock_irq+0xb7/0xf0 [ 100.871941][ T144] ? _raw_spin_lock_irqsave+0x100/0x100 [ 100.877508][ T144] ? wq_worker_running+0x97/0x170 [ 100.882553][ T144] worker_thread+0xad7/0x12a0 [ 100.887273][ T144] kthread+0x42e/0x520 [ 100.891364][ T144] ? rcu_lock_release+0x20/0x20 [ 100.896235][ T144] ? kthread_blkcg+0xd0/0xd0 [ 100.900847][ T144] ret_from_fork+0x1f/0x30 [ 100.905295][ T144] [ 100.908361][ T4313] CPU: 1 PID: 4313 Comm: kworker/u4:9 Not tainted syzkaller #0 [ 100.915937][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.926018][ T4313] Workqueue: events_unbound cfg80211_wiphy_work [ 100.932303][ T4313] Call Trace: [ 100.935609][ T4313] [ 100.938565][ T4313] dump_stack_lvl+0x188/0x250 [ 100.943280][ T4313] ? show_regs_print_info+0x20/0x20 [ 100.948499][ T4313] ? load_image+0x410/0x410 [ 100.953040][ T4313] should_fail+0x383/0x4b0 [ 100.957494][ T4313] should_failslab+0x5/0x20 [ 100.962020][ T4313] slab_pre_alloc_hook+0x51/0xc0 [ 100.966985][ T4313] __kmalloc+0x6b/0x340 [ 100.971165][ T4313] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 100.977525][ T4313] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 100.983727][ T4313] ? verify_lock_unused+0x140/0x140 [ 100.988959][ T4313] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 100.995071][ T4313] ? __lock_acquire+0x7b50/0x7b50 [ 101.000141][ T4313] ieee80211_bss_info_update+0x6ba/0xa80 [ 101.005810][ T4313] ? ieee80211_rx_bss_put+0x60/0x60 [ 101.011040][ T4313] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 101.016875][ T4313] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 101.023079][ T4313] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 101.028817][ T4313] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 101.034735][ T4313] ? lockdep_hardirqs_on+0x94/0x140 [ 101.039964][ T4313] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.045882][ T4313] ? _raw_spin_unlock+0x40/0x40 [ 101.050755][ T4313] ? kcov_remote_start+0x6a/0x490 [ 101.055810][ T4313] ? kcov_remote_start+0xfa/0x490 [ 101.060869][ T4313] ieee80211_iface_work+0x714/0xc50 [ 101.066101][ T4313] ? _raw_spin_unlock_irq+0x1f/0x40 [ 101.071323][ T4313] cfg80211_wiphy_work+0x224/0x260 [ 101.076462][ T4313] process_one_work+0x867/0xff0 [ 101.081352][ T4313] ? worker_detach_from_pool+0x240/0x240 [ 101.087012][ T4313] ? lockdep_hardirqs_off+0x70/0x100 [ 101.092321][ T4313] ? _raw_spin_lock_irq+0xb7/0xf0 [ 101.097361][ T4313] ? _raw_spin_lock_irqsave+0x100/0x100 [ 101.102927][ T4313] ? wq_worker_running+0x97/0x170 [ 101.107974][ T4313] worker_thread+0xad7/0x12a0 [ 101.112700][ T4313] kthread+0x42e/0x520 [ 101.116788][ T4313] ? rcu_lock_release+0x20/0x20 [ 101.121654][ T4313] ? kthread_blkcg+0xd0/0xd0 [ 101.126266][ T4313] ret_from_fork+0x1f/0x30 [ 101.130726][ T4313] [ 101.133772][ T3547] CPU: 0 PID: 3547 Comm: klogd Not tainted syzkaller #0 [ 101.140740][ T3547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 101.150827][ T3547] Call Trace: [ 101.154125][ T3547] [ 101.157076][ T3547] dump_stack_lvl+0x188/0x250 [ 101.161779][ T3547] ? show_regs_print_info+0x20/0x20 [ 101.167015][ T3547] ? load_image+0x410/0x410 [ 101.171546][ T3547] ? prandom_u32+0x217/0x250 [ 101.176181][ T3547] should_fail+0x383/0x4b0 [ 101.180625][ T3547] should_failslab+0x5/0x20 [ 101.185169][ T3547] slab_pre_alloc_hook+0x51/0xc0 [ 101.190139][ T3547] ? __debug_object_init+0x85d/0xc80 [ 101.195457][ T3547] kmem_cache_alloc+0x3d/0x280 [ 101.200241][ T3547] __debug_object_init+0x85d/0xc80 [ 101.205380][ T3547] ? debug_object_init+0x10/0x10 [ 101.210337][ T3547] ? memset+0x1e/0x40 [ 101.214361][ T3547] init_timer_key+0x3d/0x2a0 [ 101.218979][ T3547] sock_init_data_uid+0x6d/0xbd0 [ 101.223940][ T3547] unix_create1+0xd1/0x610 [ 101.228388][ T3547] unix_create+0x139/0x1f0 [ 101.232841][ T3547] __sock_create+0x473/0x910 [ 101.237456][ T3547] __sys_socket+0xe2/0x170 [ 101.241890][ T3547] __x64_sys_socket+0x76/0x80 [ 101.246584][ T3547] do_syscall_64+0x4c/0xa0 [ 101.251018][ T3547] ? clear_bhb_loop+0x30/0x80 [ 101.255718][ T3547] ? clear_bhb_loop+0x30/0x80 [ 101.260415][ T3547] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 101.266326][ T3547] RIP: 0033:0x7f38c79c5707 [ 101.270762][ T3547] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 101.290386][ T3547] RSP: 002b:00007ffdbaab6d88 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 101.298824][ T3547] RAX: ffffffffffffffda RBX: 0000000000000056 RCX: 00007f38c79c5707 [ 101.306818][ T3547] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 101.314819][ T3547] RBP: 00007f38c7a51560 R08: 0000000000000000 R09: 0000000000000000 [ 101.322809][ T3547] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 101.330795][ T3547] R13: 00007ffdbaab6eb0 R14: 000000000000003b R15: 00007ffdbaab6eb0 [ 101.338805][ T3547] [ 101.341847][ T4242] CPU: 1 PID: 4242 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 101.349428][ T4242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 101.355401][ C0] FAULT_INJECTION: forcing a failure. [ 101.355401][ C0] name failslab, interval 1, probability 1, space 0, times 913 [ 101.359520][ T4242] Workqueue: writeback wb_workfn (flush-8:0) [ 101.378289][ T4242] Call Trace: [ 101.381587][ T4242] [ 101.384541][ T4242] dump_stack_lvl+0x188/0x250 [ 101.389246][ T4242] ? show_regs_print_info+0x20/0x20 [ 101.394480][ T4242] ? load_image+0x410/0x410 [ 101.399013][ T4242] ? prandom_u32+0x217/0x250 [ 101.403631][ T4242] should_fail+0x383/0x4b0 [ 101.408088][ T4242] should_failslab+0x5/0x20 [ 101.412638][ T4242] slab_pre_alloc_hook+0x51/0xc0 [ 101.417627][ T4242] ? ext4_init_io_end+0x25/0x120 [ 101.422601][ T4242] kmem_cache_alloc+0x3d/0x280 [ 101.427402][ T4242] ext4_init_io_end+0x25/0x120 [ 101.432201][ T4242] ext4_writepages+0xa69/0x2d40 [ 101.437098][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 101.441896][ T4242] ? mark_lock+0x94/0x320 [ 101.446265][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 101.451310][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 101.456374][ T4242] ? do_raw_spin_unlock+0x11d/0x230 [ 101.461597][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 101.466389][ T4242] do_writepages+0x493/0x700 [ 101.471017][ T4242] ? __writepage+0x130/0x130 [ 101.475630][ T4242] ? writeback_sb_inodes+0x6b7/0x1750 [ 101.481038][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 101.486123][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 101.491176][ T4242] __writeback_single_inode+0x153/0xda0 [ 101.496746][ T4242] writeback_sb_inodes+0xaaa/0x1750 [ 101.501976][ T4242] ? __lock_acquire+0x13dc/0x7b50 [ 101.507051][ T4242] ? queue_io+0x530/0x530 [ 101.511450][ T4242] __writeback_inodes_wb+0x12a/0x3f0 [ 101.516789][ T4242] wb_writeback+0x45e/0xbc0 [ 101.521322][ T4242] ? rcu_lock_release+0x20/0x20 [ 101.526196][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 101.532200][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 101.537256][ T4242] ? cpumask_next+0xb3/0xd0 [ 101.541833][ T4242] wb_workfn+0xb15/0xf20 [ 101.546136][ T4242] ? inode_wait_for_writeback+0x220/0x220 [ 101.551887][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 101.557900][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 101.562950][ T4242] ? read_lock_is_recursive+0x10/0x10 [ 101.568352][ T4242] ? _raw_spin_unlock_irq+0x1f/0x40 [ 101.573571][ T4242] process_one_work+0x867/0xff0 [ 101.578465][ T4242] ? worker_detach_from_pool+0x240/0x240 [ 101.584116][ T4242] ? lockdep_hardirqs_off+0x70/0x100 [ 101.589432][ T4242] ? _raw_spin_lock_irq+0xb7/0xf0 [ 101.594476][ T4242] ? _raw_spin_lock_irqsave+0x100/0x100 [ 101.600043][ T4242] ? wq_worker_running+0x97/0x170 [ 101.605091][ T4242] worker_thread+0xad7/0x12a0 [ 101.609823][ T4242] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.615747][ T4242] kthread+0x42e/0x520 [ 101.619838][ T4242] ? rcu_lock_release+0x20/0x20 [ 101.624705][ T4242] ? kthread_blkcg+0xd0/0xd0 [ 101.629315][ T4242] ret_from_fork+0x1f/0x30 [ 101.633769][ T4242] [ 101.636810][ C0] CPU: 0 PID: 1108 Comm: kworker/0:2 Not tainted syzkaller #0 [ 101.644304][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 101.654385][ C0] Workqueue: mld mld_ifc_work [ 101.659107][ C0] Call Trace: [ 101.662416][ C0] [ 101.665289][ C0] dump_stack_lvl+0x188/0x250 [ 101.670015][ C0] ? get_stack_info_noinstr+0x15/0x130 [ 101.675513][ C0] ? show_regs_print_info+0x20/0x20 [ 101.680755][ C0] ? load_image+0x410/0x410 [ 101.685304][ C0] ? prandom_u32+0x217/0x250 [ 101.689943][ C0] should_fail+0x383/0x4b0 [ 101.694398][ C0] should_failslab+0x5/0x20 [ 101.698928][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 101.703901][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 101.709120][ C0] ? __alloc_skb+0xf4/0x750 [ 101.713658][ C0] __alloc_skb+0xf4/0x750 [ 101.718027][ C0] __netdev_alloc_skb+0x110/0x4c0 [ 101.723138][ C0] ? __alloc_skb+0x750/0x750 [ 101.727791][ C0] ? mark_lock+0x94/0x320 [ 101.732176][ C0] __ieee80211_beacon_get+0xa8f/0x1ff0 [ 101.737689][ C0] ? verify_lock_unused+0x140/0x140 [ 101.742935][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 101.748953][ C0] ? verify_lock_unused+0x140/0x140 [ 101.754216][ C0] ieee80211_beacon_get_tim+0x48/0x840 [ 101.759711][ C0] mac80211_hwsim_beacon_tx+0x104/0x900 [ 101.765302][ C0] __iterate_interfaces+0x225/0x4c0 [ 101.770533][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 101.776813][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 101.783084][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 101.790145][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 101.795386][ C0] ? hw_scan_work+0xef0/0xef0 [ 101.800120][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 101.805425][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 101.810583][ C0] hrtimer_run_softirq+0x176/0x240 [ 101.815734][ C0] handle_softirqs+0x336/0x830 [ 101.820549][ C0] ? do_softirq+0x142/0x210 [ 101.825081][ C0] ? do_softirq+0x210/0x210 [ 101.829643][ C0] do_softirq+0x142/0x210 [ 101.834004][ C0] [ 101.836962][ C0] [ 101.839920][ C0] ? __local_bh_enable_ip+0x1c0/0x1c0 [ 101.845323][ C0] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 101.851339][ C0] ? __local_bh_enable_ip+0xd7/0x1c0 [ 101.856770][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 101.862098][ C0] ? local_bh_enable+0x5/0x20 [ 101.866838][ C0] __local_bh_enable_ip+0x180/0x1c0 [ 101.872075][ C0] ? _local_bh_enable+0xa0/0xa0 [ 101.876970][ C0] ? ip6_finish_output2+0xcab/0x1530 [ 101.882295][ C0] ip6_finish_output2+0x111c/0x1530 [ 101.887535][ C0] ? nf_hook+0x360/0x360 [ 101.891809][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 101.896080][ C0] ? ip6_finish_output+0x627/0x790 [ 101.901230][ C0] NF_HOOK+0x163/0x460 [ 101.905327][ C0] ? mld_send_report+0x380/0x380 [ 101.910291][ C0] ? NF_HOOK+0x460/0x460 [ 101.914570][ C0] mld_sendpack+0x6ee/0xc40 [ 101.919122][ C0] ? add_grec+0x1840/0x1840 [ 101.923671][ C0] mld_ifc_work+0x843/0xd60 [ 101.928208][ C0] process_one_work+0x867/0xff0 [ 101.933106][ C0] ? worker_detach_from_pool+0x240/0x240 [ 101.938768][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 101.944092][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 101.949140][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 101.954741][ C0] ? wq_worker_running+0x97/0x170 [ 101.959799][ C0] worker_thread+0xad7/0x12a0 [ 101.964517][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.970455][ C0] kthread+0x42e/0x520 [ 101.973377][ T4242] FAULT_INJECTION: forcing a failure. [ 101.973377][ T4242] name failslab, interval 1, probability 1, space 0, times 911 [ 101.974548][ C0] ? rcu_lock_release+0x20/0x20 [ 101.974583][ C0] ? kthread_blkcg+0xd0/0xd0 [ 101.996963][ C0] ret_from_fork+0x1f/0x30 [ 102.001429][ C0] [ 102.004942][ T30] FAULT_INJECTION: forcing a failure. [ 102.004942][ T30] name failslab, interval 1, probability 1, space 0, times 910 [ 102.011654][ T4242] CPU: 1 PID: 4242 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 102.025286][ T4242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.030513][ T4175] FAULT_INJECTION: forcing a failure. [ 102.030513][ T4175] name failslab, interval 1, probability 1, space 0, times 910 [ 102.035374][ T4242] Workqueue: writeback wb_workfn (flush-8:0) [ 102.035412][ T4242] Call Trace: [ 102.035420][ T4242] [ 102.035430][ T4242] dump_stack_lvl+0x188/0x250 [ 102.065180][ T4242] ? show_regs_print_info+0x20/0x20 [ 102.070406][ T4242] ? load_image+0x410/0x410 [ 102.074935][ T4242] ? prandom_u32+0x217/0x250 [ 102.079555][ T4242] should_fail+0x383/0x4b0 [ 102.084000][ T4242] should_failslab+0x5/0x20 [ 102.088530][ T4242] slab_pre_alloc_hook+0x51/0xc0 [ 102.093485][ T4242] ? ext4_mb_new_blocks+0x538/0x47c0 [ 102.098798][ T4242] kmem_cache_alloc+0x3d/0x280 [ 102.103610][ T4242] ext4_mb_new_blocks+0x538/0x47c0 [ 102.108811][ T4242] ? memset+0x1e/0x40 [ 102.112837][ T4242] ? ext4_mb_pa_callback+0xd0/0xd0 [ 102.117980][ T4242] ? ext4_inode_to_goal_block+0x313/0x450 [ 102.123721][ T4242] ext4_ext_map_blocks+0x17d1/0x63d0 [ 102.129057][ T4242] ? ext4_ext_release+0x10/0x10 [ 102.133941][ T4242] ? rwsem_write_trylock+0x135/0x1c0 [ 102.139252][ T4242] ? ext4_es_lookup_extent+0x5fd/0x9f0 [ 102.144744][ T4242] ext4_map_blocks+0x97f/0x1a50 [ 102.149626][ T4242] ? slab_post_alloc_hook+0x68/0x380 [ 102.154936][ T4242] ? ext4_issue_zeroout+0x250/0x250 [ 102.160166][ T4242] ? ext4_inode_journal_mode+0x372/0x460 [ 102.165832][ T4242] ext4_writepages+0x124a/0x2d40 [ 102.170820][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 102.175605][ T4242] ? mark_lock+0x94/0x320 [ 102.179961][ T4242] ? verify_lock_unused+0x140/0x140 [ 102.185178][ T4242] ? __lock_acquire+0x13dc/0x7b50 [ 102.190248][ T4242] ? writeback_sb_inodes+0x433/0x1750 [ 102.195655][ T4242] ? ext4_readpage+0x2e0/0x2e0 [ 102.200445][ T4242] do_writepages+0x493/0x700 [ 102.205073][ T4242] ? __writepage+0x130/0x130 [ 102.209691][ T4242] ? writeback_sb_inodes+0x6b7/0x1750 [ 102.215083][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 102.220140][ T4242] ? do_raw_spin_lock+0x128/0x2f0 [ 102.225212][ T4242] __writeback_single_inode+0x153/0xda0 [ 102.230790][ T4242] writeback_sb_inodes+0xaaa/0x1750 [ 102.236011][ T4242] ? locked_inode_to_wb_and_lock_list+0x207/0x300 [ 102.242476][ T4242] ? queue_io+0x530/0x530 [ 102.246853][ T4242] ? up_read+0x20/0x20 [ 102.250957][ T4242] __writeback_inodes_wb+0x12a/0x3f0 [ 102.256272][ T4242] wb_writeback+0x45e/0xbc0 [ 102.260809][ T4242] ? rcu_lock_release+0x20/0x20 [ 102.265684][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 102.271693][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 102.276748][ T4242] ? cpumask_next+0xb3/0xd0 [ 102.281281][ T4242] wb_workfn+0xb15/0xf20 [ 102.285592][ T4242] ? inode_wait_for_writeback+0x220/0x220 [ 102.291375][ T4242] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 102.297397][ T4242] ? __lock_acquire+0x7b50/0x7b50 [ 102.302448][ T4242] ? read_lock_is_recursive+0x10/0x10 [ 102.307850][ T4242] ? _raw_spin_unlock_irq+0x1f/0x40 [ 102.313075][ T4242] process_one_work+0x867/0xff0 [ 102.317968][ T4242] ? worker_detach_from_pool+0x240/0x240 [ 102.323625][ T4242] ? lockdep_hardirqs_off+0x70/0x100 [ 102.328942][ T4242] ? _raw_spin_lock_irq+0xb7/0xf0 [ 102.333989][ T4242] ? _raw_spin_lock_irqsave+0x100/0x100 [ 102.339563][ T4242] ? wq_worker_running+0x97/0x170 [ 102.344611][ T4242] worker_thread+0xad7/0x12a0 [ 102.349330][ T4242] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.355253][ T4242] kthread+0x42e/0x520 [ 102.359345][ T4242] ? rcu_lock_release+0x20/0x20 [ 102.364232][ T4242] ? kthread_blkcg+0xd0/0xd0 [ 102.368865][ T4242] ret_from_fork+0x1f/0x30 [ 102.373336][ T4242] [ 102.376390][ T4175] CPU: 0 PID: 4175 Comm: kworker/0:3 Not tainted syzkaller #0 [ 102.383889][ T4175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.393733][ T23] FAULT_INJECTION: forcing a failure. [ 102.393733][ T23] name failslab, interval 1, probability 1, space 0, times 910 [ 102.406746][ T4175] Workqueue: events nsim_dev_trap_report_work [ 102.412860][ T4175] Call Trace: [ 102.416160][ T4175] [ 102.419117][ T4175] dump_stack_lvl+0x188/0x250 [ 102.423835][ T4175] ? show_regs_print_info+0x20/0x20 [ 102.429068][ T4175] ? load_image+0x410/0x410 [ 102.433605][ T4175] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 102.439630][ T4175] ? prandom_u32+0x217/0x250 [ 102.444282][ T4175] should_fail+0x383/0x4b0 [ 102.448740][ T4175] should_failslab+0x5/0x20 [ 102.453276][ T4175] slab_pre_alloc_hook+0x51/0xc0 [ 102.458235][ T4175] kmem_cache_alloc_node+0x47/0x2c0 [ 102.463457][ T4175] ? __alloc_skb+0xf4/0x750 [ 102.467999][ T4175] __alloc_skb+0xf4/0x750 [ 102.472365][ T4175] nsim_dev_trap_report_work+0x25c/0xab0 [ 102.478040][ T4175] process_one_work+0x867/0xff0 [ 102.482930][ T4175] ? worker_detach_from_pool+0x240/0x240 [ 102.488596][ T4175] ? lockdep_hardirqs_off+0x70/0x100 [ 102.493916][ T4175] ? _raw_spin_lock_irq+0xb7/0xf0 [ 102.498967][ T4175] ? _raw_spin_lock_irqsave+0x100/0x100 [ 102.504539][ T4175] ? wq_worker_running+0x97/0x170 [ 102.509596][ T4175] worker_thread+0xad7/0x12a0 [ 102.514316][ T4175] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.520240][ T4175] kthread+0x42e/0x520 [ 102.524333][ T4175] ? rcu_lock_release+0x20/0x20 [ 102.529222][ T4175] ? kthread_blkcg+0xd0/0xd0 [ 102.533842][ T4175] ret_from_fork+0x1f/0x30 [ 102.538298][ T4175] [ 102.541340][ T23] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted syzkaller #0 [ 102.548921][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.559002][ T23] Workqueue: events free_ipc [ 102.563618][ T23] Call Trace: [ 102.566913][ T23] [ 102.569859][ T23] dump_stack_lvl+0x188/0x250 [ 102.574559][ T23] ? show_regs_print_info+0x20/0x20 [ 102.579783][ T23] ? load_image+0x410/0x410 [ 102.584313][ T23] ? prandom_u32+0x217/0x250 [ 102.588931][ T23] should_fail+0x383/0x4b0 [ 102.593373][ T23] should_failslab+0x5/0x20 [ 102.597902][ T23] slab_pre_alloc_hook+0x51/0xc0 [ 102.602862][ T23] ? __debug_object_init+0x7d5/0xc80 [ 102.608168][ T23] kmem_cache_alloc+0x3d/0x280 [ 102.612957][ T23] __debug_object_init+0x7d5/0xc80 [ 102.618100][ T23] ? debug_object_init+0x10/0x10 [ 102.623074][ T23] ? do_raw_spin_unlock+0x11d/0x230 [ 102.628310][ T23] synchronize_rcu_expedited+0x416/0x750 [ 102.633977][ T23] ? synchronize_rcu+0x1e0/0x1e0 [ 102.638940][ T23] ? mark_lock+0x94/0x320 [ 102.643301][ T23] ? verify_lock_unused+0x140/0x140 [ 102.648524][ T23] ? lock_chain_count+0x20/0x20 [ 102.653404][ T23] ? queue_delayed_work_on+0x110/0x1f0 [ 102.658887][ T23] ? verify_lock_unused+0x140/0x140 [ 102.664117][ T23] synchronize_rcu+0x119/0x1e0 [ 102.668903][ T23] ? kvfree_call_rcu+0x7f0/0x7f0 [ 102.673871][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 102.679874][ T23] ? __lock_acquire+0x7b50/0x7b50 [ 102.684923][ T23] ? read_lock_is_recursive+0x10/0x10 [ 102.690327][ T23] kern_unmount+0x66/0xf0 [ 102.694709][ T23] free_ipc+0x69/0x1c0 [ 102.698804][ T23] process_one_work+0x867/0xff0 [ 102.703700][ T23] ? worker_detach_from_pool+0x240/0x240 [ 102.705832][ C0] FAULT_INJECTION: forcing a failure. [ 102.705832][ C0] name failslab, interval 1, probability 1, space 0, times 908 [ 102.709367][ T23] ? lockdep_hardirqs_off+0x70/0x100 [ 102.727450][ T23] worker_thread+0xad7/0x12a0 [ 102.732179][ T23] kthread+0x42e/0x520 [ 102.736269][ T23] ? rcu_lock_release+0x20/0x20 [ 102.741147][ T23] ? kthread_blkcg+0xd0/0xd0 [ 102.745758][ T23] ret_from_fork+0x1f/0x30 [ 102.750207][ T23] [ 102.753356][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 102.760679][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.762203][ T3851] FAULT_INJECTION: forcing a failure. [ 102.762203][ T3851] name failslab, interval 1, probability 1, space 0, times 908 [ 102.770764][ C0] Call Trace: [ 102.786844][ C0] [ 102.789802][ C0] dump_stack_lvl+0x188/0x250 [ 102.794519][ C0] ? show_regs_print_info+0x20/0x20 [ 102.799779][ C0] ? load_image+0x410/0x410 [ 102.804331][ C0] ? prandom_u32+0x217/0x250 [ 102.808962][ C0] should_fail+0x383/0x4b0 [ 102.813411][ C0] should_failslab+0x5/0x20 [ 102.818115][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 102.823094][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 102.828327][ C0] ? __alloc_skb+0xf4/0x750 [ 102.832863][ C0] __alloc_skb+0xf4/0x750 [ 102.837222][ C0] ndisc_alloc_skb+0xa6/0x420 [ 102.841925][ C0] ndisc_send_rs+0x271/0x700 [ 102.846533][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 102.851500][ C0] addrconf_rs_timer+0x367/0x640 [ 102.856457][ C0] ? detach_timer+0x33/0x2b0 [ 102.861065][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.867153][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.873245][ C0] call_timer_fn+0x17b/0x540 [ 102.877853][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.883931][ C0] ? __run_timers+0x810/0x810 [ 102.888628][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 102.893843][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 102.899057][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.905141][ C0] __run_timers+0x56c/0x810 [ 102.909687][ C0] ? detach_timer+0x2b0/0x2b0 [ 102.914378][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 102.920380][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 102.925255][ C0] run_timer_softirq+0x63/0xf0 [ 102.930036][ C0] handle_softirqs+0x336/0x830 [ 102.934819][ C0] ? run_ksoftirqd+0xa4/0x100 [ 102.939518][ C0] ? do_softirq+0x210/0x210 [ 102.944059][ C0] ? run_ksoftirqd+0x81/0x100 [ 102.948775][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 102.954009][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 102.959325][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 102.964545][ C0] run_ksoftirqd+0xa4/0x100 [ 102.969069][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 102.974286][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 102.979695][ C0] ? smpboot_thread_fn+0x5d9/0x990 [ 102.984851][ C0] smpboot_thread_fn+0x520/0x990 [ 102.989819][ C0] kthread+0x42e/0x520 [ 102.993914][ C0] ? cpu_report_death+0x180/0x180 [ 102.998960][ C0] ? kthread_blkcg+0xd0/0xd0 [ 103.003569][ C0] ret_from_fork+0x1f/0x30 [ 103.008009][ C0] [ 103.011611][ T3851] CPU: 1 PID: 3851 Comm: dhcpcd Not tainted syzkaller #0 [ 103.018692][ T3851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 103.028775][ T3851] Call Trace: [ 103.032077][ T3851] [ 103.035026][ T3851] dump_stack_lvl+0x188/0x250 [ 103.039741][ T3851] ? show_regs_print_info+0x20/0x20 [ 103.044960][ T3851] ? load_image+0x410/0x410 [ 103.049487][ T3851] ? prandom_u32+0x217/0x250 [ 103.054105][ T3851] should_fail+0x383/0x4b0 [ 103.058544][ T3851] should_failslab+0x5/0x20 [ 103.063076][ T3851] slab_pre_alloc_hook+0x51/0xc0 [ 103.068042][ T3851] ? copy_mm+0x8b6/0x13d0 [ 103.072399][ T3851] kmem_cache_alloc+0x3d/0x280 [ 103.077205][ T3851] copy_mm+0x8b6/0x13d0 [ 103.081397][ T3851] ? copy_signal+0x610/0x610 [ 103.086013][ T3851] ? __init_rwsem+0x11e/0x160 [ 103.090717][ T3851] ? copy_signal+0x501/0x610 [ 103.095326][ T3851] copy_process+0x17fb/0x3ec0 [ 103.100044][ T3851] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 103.106065][ T3851] ? __pidfd_prepare+0x140/0x140 [ 103.111027][ T3851] ? verify_lock_unused+0x140/0x140 [ 103.116276][ T3851] kernel_clone+0x23f/0x990 [ 103.120810][ T3851] ? create_io_thread+0x180/0x180 [ 103.125868][ T3851] __x64_sys_clone+0x19a/0x210 [ 103.130655][ T3851] ? __ia32_sys_vfork+0x130/0x130 [ 103.135726][ T3851] ? lockdep_hardirqs_on+0x94/0x140 [ 103.140949][ T3851] do_syscall_64+0x4c/0xa0 [ 103.145389][ T3851] ? clear_bhb_loop+0x30/0x80 [ 103.150086][ T3851] ? clear_bhb_loop+0x30/0x80 [ 103.154784][ T3851] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 103.160696][ T3851] RIP: 0033:0x7f93953d5636 [ 103.165128][ T3851] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 103.184760][ T3851] RSP: 002b:00007fff2c520b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 103.193197][ T3851] RAX: ffffffffffffffda RBX: 00007fff2c520b78 RCX: 00007f93953d5636 [ 103.201189][ T3851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 103.209178][ T3851] RBP: 00007fff2c5410c0 R08: 0000000000000000 R09: 0000000000000001 [ 103.217171][ T3851] R10: 00007f9395301a10 R11: 0000000000000246 R12: 00007fff2c520cb0 [ 103.225159][ T3851] R13: 0000000000000000 R14: 0000000000000000 R15: 00005639c56c3ac0 [ 103.233161][ T3851] [ 103.236198][ T30] CPU: 0 PID: 30 Comm: kcompactd0 Not tainted syzkaller #0 [ 103.243429][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 103.253559][ T30] Call Trace: [ 103.256861][ T30] [ 103.259806][ T30] dump_stack_lvl+0x188/0x250 [ 103.264508][ T30] ? show_regs_print_info+0x20/0x20 [ 103.269730][ T30] ? load_image+0x410/0x410 [ 103.274251][ T30] ? prandom_u32+0x217/0x250 [ 103.278863][ T30] should_fail+0x383/0x4b0 [ 103.283302][ T30] should_failslab+0x5/0x20 [ 103.287823][ T30] slab_pre_alloc_hook+0x51/0xc0 [ 103.292777][ T30] ? __debug_object_init+0x9b1/0xc80 [ 103.298085][ T30] kmem_cache_alloc+0x3d/0x280 [ 103.302864][ T30] __debug_object_init+0x9b1/0xc80 [ 103.307996][ T30] ? debug_object_init+0x10/0x10 [ 103.312966][ T30] schedule_timeout+0x12d/0x2d0 [ 103.317841][ T30] ? console_conditional_schedule+0x40/0x40 [ 103.323749][ T30] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 103.329668][ T30] ? prepare_to_wait_event+0x42c/0x460 [ 103.335154][ T30] kcompactd+0x87b/0x1ff0 [ 103.339524][ T30] ? finish_task_switch+0x12f/0x650 [ 103.344754][ T30] ? kcompactd_run+0x110/0x110 [ 103.349562][ T30] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 103.355572][ T30] ? lock_chain_count+0x20/0x20 [ 103.360453][ T30] ? __rwlock_init+0x140/0x140 [ 103.365243][ T30] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 103.371154][ T30] ? lockdep_hardirqs_on+0x94/0x140 [ 103.376372][ T30] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.382279][ T30] ? _raw_spin_unlock+0x40/0x40 [ 103.387148][ T30] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 103.393058][ T30] ? init_wait_entry+0xd0/0xd0 [ 103.397852][ T30] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.403769][ T30] ? __kthread_parkme+0x14e/0x1b0 [ 103.408818][ T30] kthread+0x42e/0x520 [ 103.412911][ T30] ? kcompactd_run+0x110/0x110 [ 103.417690][ T30] ? kthread_blkcg+0xd0/0xd0 [ 103.422298][ T30] ret_from_fork+0x1f/0x30 [ 103.426743][ T30] [ 103.436966][ T4229] FAULT_INJECTION: forcing a failure. [ 103.436966][ T4229] name failslab, interval 1, probability 1, space 0, times 905 [ 103.449836][ T4229] CPU: 0 PID: 4229 Comm: kworker/0:4 Not tainted syzkaller #0 [ 103.457322][ T4229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 103.467401][ T4229] Workqueue: events nsim_dev_trap_report_work [ 103.473517][ T4229] Call Trace: [ 103.476824][ T4229] [ 103.479782][ T4229] dump_stack_lvl+0x188/0x250 [ 103.484497][ T4229] ? show_regs_print_info+0x20/0x20 [ 103.489742][ T4229] ? load_image+0x410/0x410 [ 103.494282][ T4229] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 103.500307][ T4229] ? prandom_u32+0x217/0x250 [ 103.504948][ T4229] should_fail+0x383/0x4b0 [ 103.509401][ T4229] should_failslab+0x5/0x20 [ 103.513931][ T4229] slab_pre_alloc_hook+0x51/0xc0 [ 103.518909][ T4229] kmem_cache_alloc_node+0x47/0x2c0 [ 103.524131][ T4229] ? __alloc_skb+0xf4/0x750 [ 103.528674][ T4229] __alloc_skb+0xf4/0x750 [ 103.533042][ T4229] nsim_dev_trap_report_work+0x25c/0xab0 [ 103.538721][ T4229] process_one_work+0x867/0xff0 [ 103.543621][ T4229] ? worker_detach_from_pool+0x240/0x240 [ 103.549281][ T4229] ? lockdep_hardirqs_off+0x70/0x100 [ 103.551929][ T4232] FAULT_INJECTION: forcing a failure. [ 103.551929][ T4232] name failslab, interval 1, probability 1, space 0, times 904 [ 103.554597][ T4229] ? _raw_spin_lock_irq+0xb7/0xf0 [ 103.572394][ T4229] ? _raw_spin_lock_irqsave+0x100/0x100 [ 103.577977][ T4229] ? wq_worker_running+0x97/0x170 [ 103.583025][ T4229] worker_thread+0xad7/0x12a0 [ 103.587748][ T4229] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.593672][ T4229] kthread+0x42e/0x520 [ 103.597756][ T4229] ? rcu_lock_release+0x20/0x20 [ 103.602622][ T4229] ? kthread_blkcg+0xd0/0xd0 [ 103.607229][ T4229] ret_from_fork+0x1f/0x30 [ 103.611676][ T4229] [ 103.614713][ T4232] CPU: 1 PID: 4232 Comm: kworker/1:3 Not tainted syzkaller #0 [ 103.622202][ T4232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 103.632288][ T4232] Workqueue: ipv6_addrconf addrconf_dad_work [ 103.638321][ T4232] Call Trace: [ 103.641635][ T4232] [ 103.644603][ T4232] dump_stack_lvl+0x188/0x250 [ 103.649341][ T4232] ? show_regs_print_info+0x20/0x20 [ 103.654593][ T4232] ? load_image+0x410/0x410 [ 103.659155][ T4232] ? prandom_u32+0x217/0x250 [ 103.663803][ T4232] should_fail+0x383/0x4b0 [ 103.668284][ T4232] should_failslab+0x5/0x20 [ 103.672815][ T4232] slab_pre_alloc_hook+0x51/0xc0 [ 103.677781][ T4232] ? fib6_add_1+0x9f2/0x13c0 [ 103.682389][ T4232] kmem_cache_alloc+0x3d/0x280 [ 103.687183][ T4232] fib6_add_1+0x9f2/0x13c0 [ 103.691634][ T4232] fib6_add+0x1e0/0x3ee0 [ 103.695899][ T4232] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.701817][ T4232] ? _raw_spin_unlock+0x40/0x40 [ 103.706702][ T4232] ? fib6_update_sernum_stub+0x110/0x110 [ 103.712358][ T4232] ? do_raw_spin_lock+0x128/0x2f0 [ 103.717412][ T4232] ? __rwlock_init+0x140/0x140 [ 103.722214][ T4232] ? ip6_ins_rt+0xbd/0x130 [ 103.726668][ T4232] ip6_ins_rt+0xd3/0x130 [ 103.730943][ T4232] ? rt6_lookup+0x220/0x220 [ 103.735482][ T4232] ? nlmsg_notify+0xdf/0x190 [ 103.740092][ T4232] ? nlmsg_notify+0x13e/0x190 [ 103.744792][ T4232] __ipv6_ifa_notify+0x4e4/0xe60 [ 103.749760][ T4232] ? inet6_fill_ifla6_attrs+0x2740/0x2740 [ 103.755497][ T4232] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 103.761504][ T4232] ? lock_chain_count+0x20/0x20 [ 103.766379][ T4232] ? __lock_acquire+0x13dc/0x7b50 [ 103.771433][ T4232] ? __cancel_work+0x1f9/0x2e0 [ 103.776220][ T4232] ? lockdep_hardirqs_on+0x94/0x140 [ 103.781442][ T4232] ? __cancel_work+0x27b/0x2e0 [ 103.786230][ T4232] ? cancel_work+0x20/0x20 [ 103.790679][ T4232] ? lock_chain_count+0x20/0x20 [ 103.795563][ T4232] addrconf_dad_completed+0x186/0xc80 [ 103.800962][ T4232] ? addrconf_dad_stop+0x420/0x420 [ 103.806123][ T4232] addrconf_dad_work+0xc83/0x1530 [ 103.811180][ T4232] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 103.817182][ T4232] ? rcu_lock_release+0x20/0x20 [ 103.822054][ T4232] ? read_lock_is_recursive+0x10/0x10 [ 103.827447][ T4232] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.833380][ T4232] ? _raw_spin_unlock+0x40/0x40 [ 103.838257][ T4232] ? _raw_spin_unlock_irq+0x1f/0x40 [ 103.843498][ T4232] process_one_work+0x867/0xff0 [ 103.848394][ T4232] ? worker_detach_from_pool+0x240/0x240 [ 103.854052][ T4232] ? lockdep_hardirqs_off+0x70/0x100 [ 103.859373][ T4232] ? _raw_spin_lock_irq+0xb7/0xf0 [ 103.864418][ T4232] ? _raw_spin_lock_irqsave+0x100/0x100 [ 103.870007][ T4232] ? wq_worker_running+0x97/0x170 [ 103.875058][ T4232] worker_thread+0xad7/0x12a0 [ 103.879796][ T4232] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.885820][ T4232] kthread+0x42e/0x520 [ 103.889909][ T4232] ? rcu_lock_release+0x20/0x20 [ 103.894773][ T4232] ? kthread_blkcg+0xd0/0xd0 [ 103.899383][ T4232] ret_from_fork+0x1f/0x30 [ 103.903832][ T4232] [ 103.908112][ C0] FAULT_INJECTION: forcing a failure. [ 103.908112][ C0] name failslab, interval 1, probability 1, space 0, times 900 [ 103.916733][ T4318] FAULT_INJECTION: forcing a failure. [ 103.916733][ T4318] name failslab, interval 1, probability 1, space 0, times 900 [ 103.921077][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 103.941007][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 103.949284][ T3851] FAULT_INJECTION: forcing a failure. [ 103.949284][ T3851] name failslab, interval 1, probability 1, space 0, times 900 [ 103.951099][ C0] Call Trace: [ 103.967170][ C0] [ 103.970122][ C0] dump_stack_lvl+0x188/0x250 [ 103.974830][ C0] ? show_regs_print_info+0x20/0x20 [ 103.980052][ C0] ? load_image+0x410/0x410 [ 103.984588][ C0] should_fail+0x383/0x4b0 [ 103.989061][ C0] should_failslab+0x5/0x20 [ 103.993588][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 103.998550][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 104.004288][ C0] ? ndisc_alloc_skb+0xa6/0x420 [ 104.009176][ C0] ? __alloc_skb+0xf4/0x750 [ 104.013703][ C0] ? ndisc_alloc_skb+0xa6/0x420 [ 104.018579][ C0] __alloc_skb+0x22c/0x750 [ 104.023023][ C0] ndisc_alloc_skb+0xa6/0x420 [ 104.027724][ C0] ndisc_send_rs+0x271/0x700 [ 104.032345][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 104.037335][ C0] addrconf_rs_timer+0x367/0x640 [ 104.042297][ C0] ? detach_timer+0x33/0x2b0 [ 104.046909][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 104.053005][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 104.059108][ C0] call_timer_fn+0x17b/0x540 [ 104.063725][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 104.069962][ C0] ? __run_timers+0x810/0x810 [ 104.074665][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 104.079880][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 104.085093][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 104.091185][ C0] __run_timers+0x56c/0x810 [ 104.095714][ C0] ? lock_chain_count+0x20/0x20 [ 104.100598][ C0] ? detach_timer+0x2b0/0x2b0 [ 104.105295][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 104.111308][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 104.116210][ C0] run_timer_softirq+0x63/0xf0 [ 104.120999][ C0] handle_softirqs+0x336/0x830 [ 104.125795][ C0] ? run_ksoftirqd+0xa4/0x100 [ 104.130503][ C0] ? do_softirq+0x210/0x210 [ 104.135022][ C0] ? run_ksoftirqd+0x81/0x100 [ 104.139722][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 104.144939][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 104.150244][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 104.155465][ C0] run_ksoftirqd+0xa4/0x100 [ 104.160216][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 104.165441][ C0] smpboot_thread_fn+0x520/0x990 [ 104.170411][ C0] kthread+0x42e/0x520 [ 104.174502][ C0] ? cpu_report_death+0x180/0x180 [ 104.179543][ C0] ? kthread_blkcg+0xd0/0xd0 [ 104.184149][ C0] ret_from_fork+0x1f/0x30 [ 104.188596][ C0] [ 104.191631][ T4318] CPU: 1 PID: 4318 Comm: dhcpcd Not tainted syzkaller #0 [ 104.198691][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 104.208775][ T4318] Call Trace: [ 104.209000][ T4229] FAULT_INJECTION: forcing a failure. [ 104.209000][ T4229] name failslab, interval 1, probability 1, space 0, times 899 [ 104.212080][ T4318] [ 104.212091][ T4318] dump_stack_lvl+0x188/0x250 [ 104.212123][ T4318] ? show_regs_print_info+0x20/0x20 [ 104.237801][ T4318] ? load_image+0x410/0x410 [ 104.242331][ T4318] ? prandom_u32+0x217/0x250 [ 104.246947][ T4318] should_fail+0x383/0x4b0 [ 104.251387][ T4318] should_failslab+0x5/0x20 [ 104.255926][ T4318] slab_pre_alloc_hook+0x51/0xc0 [ 104.260903][ T4318] __kmalloc_node_track_caller+0x68/0x3a0 [ 104.266664][ T4318] ? alloc_skb_with_frags+0xa7/0x720 [ 104.271980][ T4318] ? __alloc_skb+0xf4/0x750 [ 104.276507][ T4318] ? alloc_skb_with_frags+0xa7/0x720 [ 104.281816][ T4318] __alloc_skb+0x22c/0x750 [ 104.286266][ T4318] alloc_skb_with_frags+0xa7/0x720 [ 104.291407][ T4318] sock_alloc_send_pskb+0x87f/0x9a0 [ 104.296639][ T4318] ? sock_kzfree_s+0x50/0x50 [ 104.301268][ T4318] ? do_raw_spin_lock+0x128/0x2f0 [ 104.306331][ T4318] ? __rwlock_init+0x140/0x140 [ 104.311118][ T4318] ? do_raw_spin_unlock+0x11d/0x230 [ 104.316337][ T4318] unix_dgram_sendmsg+0x6f8/0x19c0 [ 104.321486][ T4318] ? aa_sk_perm+0x7dc/0x910 [ 104.326018][ T4318] ? aa_af_perm+0x340/0x340 [ 104.330544][ T4318] ? unix_dgram_poll+0x680/0x680 [ 104.335496][ T4318] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 104.341935][ T4318] ? apparmor_socket_sendmsg+0x88/0x230 [ 104.347500][ T4318] ? unix_seqpacket_sendmsg+0x108/0x1d0 [ 104.353086][ T4318] sock_write_iter+0x2a6/0x3a0 [ 104.357900][ T4318] ? sock_read_iter+0x380/0x380 [ 104.362784][ T4318] ? memset+0x1e/0x40 [ 104.366792][ T4318] ? iov_iter_init+0xb4/0x170 [ 104.371502][ T4318] vfs_write+0x748/0xd70 [ 104.375778][ T4318] ? file_end_write+0x250/0x250 [ 104.380663][ T4318] ? __fdget_pos+0x1e2/0x370 [ 104.385270][ T4318] ksys_write+0x153/0x260 [ 104.389618][ T4318] ? __ia32_sys_read+0x80/0x80 [ 104.394409][ T4318] ? lockdep_hardirqs_on+0x94/0x140 [ 104.399634][ T4318] do_syscall_64+0x4c/0xa0 [ 104.404069][ T4318] ? clear_bhb_loop+0x30/0x80 [ 104.408765][ T4318] ? clear_bhb_loop+0x30/0x80 [ 104.413461][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 104.419491][ T4318] RIP: 0033:0x7f939538b407 [ 104.423927][ T4318] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 104.443645][ T4318] RSP: 002b:00007fff2c5201d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 104.452086][ T4318] RAX: ffffffffffffffda RBX: 00007f9395301740 RCX: 00007f939538b407 [ 104.460076][ T4318] RDX: 0000000000000035 RSI: 00007fff2c520230 RDI: 0000000000000005 [ 104.468062][ T4318] RBP: 00005639c56ca301 R08: 0000000000000000 R09: 0000000000000000 [ 104.476051][ T4318] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2c520660 [ 104.484486][ T4318] R13: 0000000000000016 R14: 00007fff2c520b90 R15: 00007fff2c520740 [ 104.492499][ T4318] [ 104.495567][ T4229] CPU: 0 PID: 4229 Comm: kworker/0:4 Not tainted syzkaller #0 [ 104.503066][ T4229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 104.513152][ T4229] Workqueue: events nsim_dev_trap_report_work [ 104.519255][ T4229] Call Trace: [ 104.522559][ T4229] [ 104.525514][ T4229] dump_stack_lvl+0x188/0x250 [ 104.530220][ T4229] ? show_regs_print_info+0x20/0x20 [ 104.535455][ T4229] ? load_image+0x410/0x410 [ 104.540007][ T4229] ? prandom_u32+0x217/0x250 [ 104.544631][ T4229] should_fail+0x383/0x4b0 [ 104.549114][ T4229] should_failslab+0x5/0x20 [ 104.553638][ T4229] slab_pre_alloc_hook+0x51/0xc0 [ 104.558604][ T4229] __kmalloc_node_track_caller+0x68/0x3a0 [ 104.564348][ T4229] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 104.570183][ T4229] ? __alloc_skb+0xf4/0x750 [ 104.574711][ T4229] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 104.580541][ T4229] __alloc_skb+0x22c/0x750 [ 104.585006][ T4229] nsim_dev_trap_report_work+0x25c/0xab0 [ 104.590683][ T4229] process_one_work+0x867/0xff0 [ 104.595572][ T4229] ? worker_detach_from_pool+0x240/0x240 [ 104.601228][ T4229] ? lockdep_hardirqs_off+0x70/0x100 [ 104.606555][ T4229] ? _raw_spin_lock_irq+0xb7/0xf0 [ 104.611615][ T4229] ? _raw_spin_lock_irqsave+0x100/0x100 [ 104.617250][ T4229] ? wq_worker_running+0x97/0x170 [ 104.622327][ T4229] worker_thread+0xad7/0x12a0 [ 104.627046][ T4229] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 104.632967][ T4229] kthread+0x42e/0x520 [ 104.637057][ T4229] ? rcu_lock_release+0x20/0x20 [ 104.641923][ T4229] ? kthread_blkcg+0xd0/0xd0 [ 104.646545][ T4229] ret_from_fork+0x1f/0x30 [ 104.651009][ T4229] [ 104.654046][ T3851] CPU: 1 PID: 3851 Comm: dhcpcd Not tainted syzkaller #0 [ 104.661108][ T3851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 104.671200][ T3851] Call Trace: [ 104.674501][ T3851] [ 104.677448][ T3851] dump_stack_lvl+0x188/0x250 [ 104.682151][ T3851] ? show_regs_print_info+0x20/0x20 [ 104.687373][ T3851] ? load_image+0x410/0x410 [ 104.691907][ T3851] should_fail+0x383/0x4b0 [ 104.696343][ T3851] should_failslab+0x5/0x20 [ 104.700863][ T3851] slab_pre_alloc_hook+0x51/0xc0 [ 104.705857][ T3851] ? sockfs_init_fs_context+0xa0/0xa0 [ 104.711251][ T3851] ? sock_alloc_inode+0x17/0xb0