last executing test programs: 17.233869395s ago: executing program 3 (id=4): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) mount(&(0x7f0000000040)=@filename='none\x00', 0x0, &(0x7f0000000400)='proc\x00', 0x0, 0x0) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={0x0, 0xb8}}, 0x20040014) socket$nl_xfrm(0x10, 0x3, 0x6) 16.692808478s ago: executing program 3 (id=5): r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000005e40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000005f40)={0x0, 0x0, &(0x7f0000005f00)={&(0x7f0000005e80)={0x14, r1, 0x1, 0x70bd2a, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x4) 16.478763033s ago: executing program 2 (id=3): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x2501, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000000)=@x86={0x93, 0x8, 0x0, 0x0, 0x719, 0xfd, 0x4b, 0xa5, 0x40, 0x4, 0x2f, 0x9, 0x0, 0x358, 0x9, 0x13, 0x4, 0x5c, 0x76, '\x00', 0x3, 0x5e6}) 1.831695885s ago: executing program 1 (id=2): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) write(0xffffffffffffffff, &(0x7f0000000480)='10485760', 0x8) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='dev_mnt/zram0\x00', 0x2, 0x0) write(r3, &(0x7f0000000500)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40) close(r3) 1.771952857s ago: executing program 0 (id=1): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000000)=@filename='sysfs\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='pxa27x-udc\x00', 0xa) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/pxa27x-udc/bind\x00', 0x1, 0x0) write(r1, &(0x7f0000000180)='pcspkr\x00', 0x6) close(r1) 1.725653698s ago: executing program 2 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r3, &(0x7f0000000480)='10485760', 0x8) close(r3) 1.586557761s ago: executing program 32 (id=5): r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000005e40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000005f40)={0x0, 0x0, &(0x7f0000005f00)={&(0x7f0000005e80)={0x14, r1, 0x1, 0x70bd2a, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x4) 28.261748ms ago: executing program 1 (id=2): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) write(0xffffffffffffffff, &(0x7f0000000480)='10485760', 0x8) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='dev_mnt/zram0\x00', 0x2, 0x0) write(r3, &(0x7f0000000500)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40) close(r3) 10.373689ms ago: executing program 2 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r3, &(0x7f0000000480)='10485760', 0x8) close(r3) 0s ago: executing program 4 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='0x1d6b\x00', 0x7) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r1, &(0x7f0000000800)='0x0104\x00', 0x7) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000001100)='./config/usb_gadget/g1/functions/uac1.usb0/c_chmask\x00', 0x1, 0x0) write(r2, &(0x7f0000001200)='3\x00', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000001300)='./config/usb_gadget/g1/functions/uac1.usb0/c_srate\x00', 0x1, 0x0) write(r3, &(0x7f0000001400)='48000\x00', 0x6) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/functions/uac1.usb0/c_ssize\x00', 0x1, 0x0) write(r4, &(0x7f0000001600)='2\x00', 0x2) kernel console output (not intermixed with test programs): .065590][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.065642][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 32.065710][ T13] ? kick_pool+0xb9/0x540 [ 32.065772][ T13] process_scheduled_works+0x7f7/0x1060 [ 32.065842][ T13] worker_thread+0xc99/0x13f0 [ 32.065903][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.065964][ T13] ? __kasan_check_read+0x15/0x20 [ 32.066016][ T13] kthread+0x2c7/0x360 [ 32.066083][ T13] ? __cfi_worker_thread+0x10/0x10 [ 32.066132][ T13] ? __cfi_kthread+0x10/0x10 [ 32.066183][ T13] ret_from_fork+0x67/0xa0 [ 32.066251][ T13] ? __cfi_kthread+0x10/0x10 [ 32.066301][ T13] ret_from_fork_asm+0x1a/0x30 [ 32.066350][ T13] [ 32.066587][ T287] FAULT_INJECTION: forcing a failure. [ 32.066587][ T287] name failslab, interval 1, probability 10, space 0, times 64 [ 32.070294][ T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.070375][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.070408][ T297] Call Trace: [ 32.070429][ T297] [ 32.070451][ T297] __dump_stack+0x21/0x30 [ 32.070534][ T297] dump_stack_lvl+0x140/0x1c0 [ 32.070614][ T297] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.070703][ T297] dump_stack+0x19/0x20 [ 32.070777][ T297] should_fail_ex+0x3c2/0x510 [ 32.070847][ T297] should_failslab+0xac/0x100 [ 32.070912][ T297] kmem_cache_alloc_noprof+0x42/0x410 [ 32.070976][ T297] ? getname_flags+0xcc/0x6b0 [ 32.071040][ T297] getname_flags+0xcc/0x6b0 [ 32.071114][ T297] user_path_at+0x2b/0x60 [ 32.071192][ T297] __x64_sys_umount+0xfa/0x180 [ 32.071243][ T297] ? __cfi___x64_sys_umount+0x10/0x10 [ 32.071293][ T297] ? __kasan_check_read+0x15/0x20 [ 32.071345][ T297] ? arch_exit_to_user_mode_prepare+0x22/0xa0 [ 32.071405][ T297] x64_sys_call+0x2ab8/0x2ee0 [ 32.071456][ T297] do_syscall_64+0x57/0xf0 [ 32.071563][ T297] ? clear_bhb_loop+0x50/0xa0 [ 32.071642][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.071709][ T297] RIP: 0033:0x7f85bc79f0d7 [ 32.071752][ T297] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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 [ 32.071790][ T297] RSP: 002b:00007fff9f615de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 32.071851][ T297] RAX: ffffffffffffffda RBX: 00007f85bc83330a RCX: 00007f85bc79f0d7 [ 32.071893][ T297] RDX: 00007fff9f616f00 RSI: 0000000000000009 RDI: 00007fff9f616f90 [ 32.071936][ T297] RBP: 00007fff9f616f90 R08: 00007fff9f617f90 R09: 00000000ffffffff [ 32.071977][ T297] R10: 0000000000000100 R11: 0000000000000246 R12: 00007fff9f616f90 [ 32.072018][ T297] R13: 00007f85bc83330a R14: 0000000000007c6a R15: 00007fff9f618060 [ 32.072068][ T297] [ 32.074168][ T297] FAULT_INJECTION: forcing a failure. [ 32.074168][ T297] name failslab, interval 1, probability 10, space 0, times 63 [ 32.075101][ T13] FAULT_INJECTION: forcing a failure. [ 32.075101][ T13] name failslab, interval 1, probability 10, space 0, times 62 [ 32.079989][ T100] CPU: 1 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.080086][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.080140][ T100] Call Trace: [ 32.080168][ T100] [ 32.080189][ T100] __dump_stack+0x21/0x30 [ 32.080274][ T100] dump_stack_lvl+0x140/0x1c0 [ 32.080356][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.080438][ T100] ? should_fail_ex+0x201/0x510 [ 32.080501][ T100] dump_stack+0x19/0x20 [ 32.080575][ T100] should_fail_ex+0x3c2/0x510 [ 32.080639][ T100] should_failslab+0xac/0x100 [ 32.080715][ T100] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.080776][ T100] ? avc_has_perm_noaudit+0x26b/0x360 [ 32.080847][ T100] ? __alloc_skb+0x10c/0x360 [ 32.080922][ T100] ? __asan_memcpy+0x5a/0x80 [ 32.080977][ T100] __alloc_skb+0x10c/0x360 [ 32.081051][ T100] alloc_skb_with_frags+0xd0/0x8b0 [ 32.081134][ T100] ? __cfi_avc_has_perm+0x10/0x10 [ 32.081207][ T100] ? __kasan_check_write+0x18/0x20 [ 32.081261][ T100] sock_alloc_send_pskb+0x883/0x9a0 [ 32.081326][ T100] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 32.081388][ T100] ? __kasan_check_write+0x18/0x20 [ 32.081456][ T100] ? _raw_spin_lock+0x92/0x120 [ 32.081546][ T100] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.081618][ T100] unix_dgram_sendmsg+0x63a/0x1a90 [ 32.081683][ T100] ? selinux_socket_sendmsg+0x281/0x380 [ 32.081766][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 32.081850][ T100] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 32.081914][ T100] ? security_socket_sendmsg+0x3d/0x100 [ 32.081996][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 32.082079][ T100] __sys_sendto+0x68a/0x700 [ 32.082171][ T100] ? __cfi___sys_sendto+0x10/0x10 [ 32.082246][ T100] ? selinux_socket_connect+0x27/0x40 [ 32.082320][ T100] ? __cfi___sys_connect+0x10/0x10 [ 32.082411][ T100] ? fd_install+0x246/0x400 [ 32.082474][ T100] ? __sys_socket+0x16d/0x1c0 [ 32.082548][ T100] __x64_sys_sendto+0xe9/0x100 [ 32.082631][ T100] x64_sys_call+0x2c2c/0x2ee0 [ 32.082678][ T100] do_syscall_64+0x57/0xf0 [ 32.082740][ T100] ? clear_bhb_loop+0x50/0xa0 [ 32.082830][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.082938][ T100] RIP: 0033:0x7f29656e7407 [ 32.082982][ T100] 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 [ 32.083033][ T100] RSP: 002b:00007ffc98717e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 32.083095][ T100] RAX: ffffffffffffffda RBX: 00007f2965597c80 RCX: 00007f29656e7407 [ 32.083138][ T100] RDX: 0000000000000055 RSI: 00007ffc98717f90 RDI: 0000000000000003 [ 32.083180][ T100] RBP: 00007ffc987183c0 R08: 0000000000000000 R09: 0000000000000000 [ 32.083221][ T100] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc987183d8 [ 32.083261][ T100] R13: 00007ffc98717f90 R14: 000000000000003a R15: 00007ffc98717f90 [ 32.083306][ T100] [ 32.084481][ T100] FAULT_INJECTION: forcing a failure. [ 32.084481][ T100] name failslab, interval 1, probability 10, space 0, times 60 [ 32.084763][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.084849][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.084906][ T9] Workqueue: mld mld_ifc_work [ 32.084970][ T9] Call Trace: [ 32.084989][ T9] [ 32.085011][ T9] __dump_stack+0x21/0x30 [ 32.085086][ T9] dump_stack_lvl+0x140/0x1c0 [ 32.085163][ T9] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.085246][ T9] dump_stack+0x19/0x20 [ 32.085319][ T9] should_fail_ex+0x3c2/0x510 [ 32.085381][ T9] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.085452][ T9] should_failslab+0xac/0x100 [ 32.085518][ T9] kmem_cache_alloc_noprof+0x42/0x410 [ 32.085572][ T9] ? kasan_save_alloc_info+0x3a/0x50 [ 32.085655][ T9] ? dst_alloc+0x13c/0x240 [ 32.085719][ T9] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.085783][ T9] dst_alloc+0x13c/0x240 [ 32.085844][ T9] icmp6_dst_alloc+0xef/0x4f0 [ 32.085930][ T9] mld_sendpack+0x5ac/0xd10 [ 32.085994][ T9] ? add_grec+0x1400/0x1400 [ 32.086058][ T9] ? add_grec+0xfa8/0x1400 [ 32.086120][ T9] ? __asan_memcpy+0x5a/0x80 [ 32.086177][ T9] ? __cfi_mutex_lock+0x10/0x10 [ 32.086278][ T9] mld_ifc_work+0x7cc/0xc40 [ 32.086346][ T9] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.086417][ T9] process_scheduled_works+0x7f7/0x1060 [ 32.086489][ T9] worker_thread+0xc99/0x13f0 [ 32.086561][ T9] kthread+0x2c7/0x360 [ 32.086623][ T9] ? __cfi_worker_thread+0x10/0x10 [ 32.086678][ T9] ? __cfi_kthread+0x10/0x10 [ 32.086741][ T9] ret_from_fork+0x67/0xa0 [ 32.086822][ T9] ? __cfi_kthread+0x10/0x10 [ 32.086887][ T9] ret_from_fork_asm+0x1a/0x30 [ 32.086949][ T9] [ 32.096834][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.096919][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.096961][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.097026][ T13] Call Trace: [ 32.097031][ T13] [ 32.097053][ T13] __dump_stack+0x21/0x30 [ 32.097122][ T13] dump_stack_lvl+0x140/0x1c0 [ 32.097210][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.097282][ T13] ? ref_tracker_alloc+0x356/0x5b0 [ 32.097354][ T13] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.097418][ T13] ? dst_alloc+0x163/0x240 [ 32.097480][ T13] dump_stack+0x19/0x20 [ 32.097580][ T13] should_fail_ex+0x3c2/0x510 [ 32.097665][ T13] should_failslab+0xac/0x100 [ 32.097730][ T13] __kmalloc_cache_noprof+0x41/0x470 [ 32.097792][ T13] ? dst_cow_metrics_generic+0x65/0x2a0 [ 32.097854][ T13] ? dst_init+0x329/0x430 [ 32.097916][ T13] dst_cow_metrics_generic+0x65/0x2a0 [ 32.097979][ T13] icmp6_dst_alloc+0x310/0x4f0 [ 32.098063][ T13] ndisc_send_skb+0x2a6/0xca0 [ 32.098103][ T13] ? __kasan_check_write+0x18/0x20 [ 32.098168][ T13] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.098222][ T13] ? __asan_memcpy+0x5a/0x80 [ 32.098282][ T13] ? ndisc_ns_create+0x6af/0x8d0 [ 32.098335][ T13] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.098409][ T13] ndisc_send_ns+0xd8/0x160 [ 32.098471][ T13] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.098525][ T13] addrconf_dad_work+0xa0e/0x1550 [ 32.098586][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.098647][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 32.098712][ T13] ? kick_pool+0xb9/0x540 [ 32.098782][ T13] process_scheduled_works+0x7f7/0x1060 [ 32.098846][ T13] worker_thread+0xc99/0x13f0 [ 32.098903][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.098928][ T13] ? __kasan_check_read+0x15/0x20 [ 32.098951][ T13] kthread+0x2c7/0x360 [ 32.098975][ T13] ? __cfi_worker_thread+0x10/0x10 [ 32.099053][ T13] ? __cfi_kthread+0x10/0x10 [ 32.099130][ T13] ret_from_fork+0x67/0xa0 [ 32.099205][ T13] ? __cfi_kthread+0x10/0x10 [ 32.099273][ T13] ret_from_fork_asm+0x1a/0x30 [ 32.099326][ T13] [ 32.100239][ T13] FAULT_INJECTION: forcing a failure. [ 32.100239][ T13] name failslab, interval 1, probability 10, space 0, times 56 [ 32.104193][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.104294][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.104325][ T295] Call Trace: [ 32.104345][ T295] [ 32.104366][ T295] __dump_stack+0x21/0x30 [ 32.104447][ T295] dump_stack_lvl+0x140/0x1c0 [ 32.104521][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.104603][ T295] dump_stack+0x19/0x20 [ 32.104681][ T295] should_fail_ex+0x3c2/0x510 [ 32.104751][ T295] should_failslab+0xac/0x100 [ 32.104823][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 32.104878][ T295] ? getname_flags+0xcc/0x6b0 [ 32.104940][ T295] ? __kasan_slab_free+0x6a/0x80 [ 32.105014][ T295] getname_flags+0xcc/0x6b0 [ 32.105076][ T295] getname+0x1b/0x30 [ 32.105139][ T295] do_sys_openat2+0xda/0x1d0 [ 32.105228][ T295] ? putname+0x113/0x150 [ 32.105306][ T295] ? do_sys_open+0x100/0x100 [ 32.105405][ T295] ? do_mkdirat+0x4e0/0x530 [ 32.105494][ T295] __x64_sys_openat+0x13a/0x170 [ 32.105575][ T295] x64_sys_call+0xe69/0x2ee0 [ 32.105627][ T295] do_syscall_64+0x57/0xf0 [ 32.105683][ T295] ? clear_bhb_loop+0x50/0xa0 [ 32.105757][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.105829][ T295] RIP: 0033:0x7fcfd7f59017 [ 32.105879][ T295] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 32.105924][ T295] RSP: 002b:00007ffee868d9b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 32.105992][ T295] RAX: ffffffffffffffda RBX: 0000555577d1a500 RCX: 00007fcfd7f59017 [ 32.106038][ T295] RDX: 0000000000080001 RSI: 00007ffee868dfe0 RDI: ffffffffffffff9c [ 32.106086][ T295] RBP: 00007ffee868dfe0 R08: 0000000000000000 R09: 0000000000000000 [ 32.106126][ T295] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000009 [ 32.106169][ T295] R13: 00007ffee868da70 R14: 00007ffee868dfa0 R15: 00007ffee868dfe0 [ 32.106221][ T295] [ 32.106845][ T295] FAULT_INJECTION: forcing a failure. [ 32.106845][ T295] name failslab, interval 1, probability 10, space 0, times 55 [ 32.109221][ T287] CPU: 0 UID: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.109296][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.109328][ T287] Call Trace: [ 32.109346][ T287] [ 32.109368][ T287] __dump_stack+0x21/0x30 [ 32.109451][ T287] dump_stack_lvl+0x140/0x1c0 [ 32.109533][ T287] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.109607][ T287] ? should_fail_ex+0x2a6/0x510 [ 32.109679][ T287] dump_stack+0x19/0x20 [ 32.109752][ T287] should_fail_ex+0x3c2/0x510 [ 32.109820][ T287] should_failslab+0xac/0x100 [ 32.109897][ T287] kmem_cache_alloc_noprof+0x42/0x410 [ 32.109958][ T287] ? jbd2__journal_start+0x16d/0x860 [ 32.110029][ T287] jbd2__journal_start+0x16d/0x860 [ 32.110091][ T287] __ext4_journal_start_sb+0x111/0x3f0 [ 32.110208][ T287] ext4_dirty_inode+0x97/0x110 [ 32.110302][ T287] ? __cfi_ext4_dirty_inode+0x10/0x10 [ 32.110373][ T287] __mark_inode_dirty+0x24e/0xc50 [ 32.110435][ T287] ? __cfi___mark_inode_dirty+0x10/0x10 [ 32.110495][ T287] ? _raw_spin_lock+0x92/0x120 [ 32.110561][ T287] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.110623][ T287] ? mnt_get_write_access_file+0x1af/0x3b0 [ 32.110706][ T287] file_update_time+0x1d3/0x210 [ 32.110790][ T287] ext4_page_mkwrite+0x2bf/0x1120 [ 32.110848][ T287] ? fput+0x1a4/0x230 [ 32.110920][ T287] ? fault_dirty_shared_page+0x39f/0x470 [ 32.110994][ T287] ? __cfi_ext4_page_mkwrite+0x10/0x10 [ 32.111065][ T287] ? do_pte_missing+0x3894/0x4440 [ 32.111139][ T287] do_wp_page+0xb3d/0x2e80 [ 32.111205][ T287] ? folio_put+0x90/0x90 [ 32.111268][ T287] ? __kasan_check_write+0x18/0x20 [ 32.111321][ T287] ? _raw_spin_lock+0x92/0x120 [ 32.111382][ T287] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.111443][ T287] ? pte_offset_map_rw_nolock+0x236/0x2c0 [ 32.111535][ T287] handle_mm_fault+0x1017/0x1ba0 [ 32.111634][ T287] ? __cfi_handle_mm_fault+0x10/0x10 [ 32.111713][ T287] ? lock_vma_under_rcu+0x4cf/0x590 [ 32.111792][ T287] ? __kasan_check_read+0x15/0x20 [ 32.111846][ T287] ? xfd_validate_state+0x68/0x140 [ 32.111922][ T287] do_user_addr_fault+0x951/0x1230 [ 32.112008][ T287] ? switch_fpu_return+0x12/0x20 [ 32.112080][ T287] exc_page_fault+0x58/0xc0 [ 32.112161][ T287] asm_exc_page_fault+0x2b/0x30 [ 32.112227][ T287] RIP: 0033:0x7fe78de70037 [ 32.112271][ T287] Code: 43 40 83 43 30 04 48 89 df be 08 00 00 00 48 8d 50 fc 48 89 53 40 89 68 fc 8b 6b 30 e8 22 b9 fe ff 48 8b 43 48 be 06 00 00 00 <89> 28 48 83 c0 08 66 89 70 fc 83 43 50 01 66 83 7b 54 05 48 89 43 [ 32.112322][ T287] RSP: 002b:00007fff6d14a4d0 EFLAGS: 00010202 [ 32.112373][ T287] RAX: 00007fe787600218 RBX: 00007fff6d14a600 RCX: 0000000000000000 [ 32.112415][ T287] RDX: 00007fe787600218 RSI: 0000000000000006 RDI: 00007fff6d14a600 [ 32.112463][ T287] RBP: 00000000000011a4 R08: 0000000000000000 R09: 0000000000000000 [ 32.112497][ T287] R10: 00007fff6d14a5e0 R11: 0000000000000000 R12: 0000000000000000 [ 32.112536][ T287] R13: 00000000000011a0 R14: ffffffffffffee60 R15: 0000000000000000 [ 32.112581][ T287] [ 32.112739][ T287] FAULT_INJECTION: forcing a failure. [ 32.112739][ T287] name failslab, interval 1, probability 10, space 0, times 54 [ 32.113963][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.114040][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.114086][ T295] Call Trace: [ 32.114106][ T295] [ 32.114128][ T295] __dump_stack+0x21/0x30 [ 32.114227][ T295] dump_stack_lvl+0x140/0x1c0 [ 32.114310][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.114389][ T295] ? cgroup_addrm_files+0x775/0xac0 [ 32.114481][ T295] ? cgroup_addrm_files+0xa34/0xac0 [ 32.114564][ T295] dump_stack+0x19/0x20 [ 32.114637][ T295] should_fail_ex+0x3c2/0x510 [ 32.114695][ T295] should_failslab+0xac/0x100 [ 32.114767][ T295] __kmalloc_cache_noprof+0x41/0x470 [ 32.114830][ T295] ? blkcg_css_alloc+0x76/0xcd0 [ 32.114895][ T295] blkcg_css_alloc+0x76/0xcd0 [ 32.114959][ T295] cgroup_apply_control_enable+0x3af/0xce0 [ 32.115041][ T295] cgroup_mkdir+0x1274/0x1600 [ 32.115116][ T295] ? __cfi_cgroup_mkdir+0x10/0x10 [ 32.115198][ T295] kernfs_iop_mkdir+0x1bb/0x2d0 [ 32.115280][ T295] vfs_mkdir+0x58e/0x810 [ 32.115362][ T295] do_mkdirat+0x240/0x530 [ 32.115446][ T295] ? __cfi_do_mkdirat+0x10/0x10 [ 32.115555][ T295] ? __kasan_check_write+0x18/0x20 [ 32.115615][ T295] ? getname_flags+0x203/0x6b0 [ 32.115672][ T295] ? __kasan_check_write+0x18/0x20 [ 32.115727][ T295] __x64_sys_mkdirat+0x8b/0xa0 [ 32.115807][ T295] x64_sys_call+0x2ba8/0x2ee0 [ 32.115859][ T295] do_syscall_64+0x57/0xf0 [ 32.115922][ T295] ? clear_bhb_loop+0x50/0xa0 [ 32.115996][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.116070][ T295] RIP: 0033:0x7fcfd7f9cd07 [ 32.116119][ T295] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.116172][ T295] RSP: 002b:00007ffee868df48 EFLAGS: 00000206 ORIG_RAX: 0000000000000102 [ 32.116232][ T295] RAX: ffffffffffffffda RBX: 00007fcfd803374f RCX: 00007fcfd7f9cd07 [ 32.116275][ T295] RDX: 00000000000001ff RSI: 00007ffee868dfa0 RDI: 00000000ffffff9c [ 32.116316][ T295] RBP: 0000000000000001 R08: 0000000000000001 R09: 00000000ffffffff [ 32.116356][ T295] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcfd8034d6d [ 32.116390][ T295] R13: 0000000000000003 R14: 00007ffee868dfa0 R15: 00007ffee868dfe0 [ 32.116448][ T295] [ 32.116742][ T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.116815][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.116860][ T297] Call Trace: [ 32.116887][ T297] [ 32.116915][ T297] __dump_stack+0x21/0x30 [ 32.116998][ T297] dump_stack_lvl+0x140/0x1c0 [ 32.117079][ T297] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.117154][ T297] ? call_rcu_hurry+0x30/0x30 [ 32.117226][ T297] dump_stack+0x19/0x20 [ 32.117297][ T297] should_fail_ex+0x3c2/0x510 [ 32.117360][ T297] should_failslab+0xac/0x100 [ 32.117431][ T297] kmem_cache_alloc_noprof+0x42/0x410 [ 32.117493][ T297] ? getname_flags+0xcc/0x6b0 [ 32.117556][ T297] getname_flags+0xcc/0x6b0 [ 32.117618][ T297] ? __kasan_check_read+0x15/0x20 [ 32.117676][ T297] __x64_sys_unlinkat+0xb2/0xf0 [ 32.117757][ T297] x64_sys_call+0x2974/0x2ee0 [ 32.117817][ T297] do_syscall_64+0x57/0xf0 [ 32.117879][ T297] ? clear_bhb_loop+0x50/0xa0 [ 32.117953][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.118026][ T297] RIP: 0033:0x7f85bc79cfb7 [ 32.118067][ T297] Code: 77 01 c3 48 c7 c2 e8 ff ff ff 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 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.118119][ T297] RSP: 002b:00007fff9f616ed8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 [ 32.118188][ T297] RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f85bc79cfb7 [ 32.118244][ T297] RDX: 0000000000000200 RSI: 00007fff9f618020 RDI: 00000000ffffff9c [ 32.118292][ T297] RBP: 00007f85bc83330a R08: 00000000000206f0 R09: 00000000ffffffff [ 32.118332][ T297] R10: 0000000000000100 R11: 0000000000000207 R12: 00007fff9f618020 [ 32.118373][ T297] R13: 00007f85bc83330a R14: 0000000000007c6a R15: 00007fff9f618060 [ 32.118429][ T297] [ 32.126190][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.126264][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.126301][ T296] Call Trace: [ 32.126314][ T296] [ 32.126335][ T296] __dump_stack+0x21/0x30 [ 32.126416][ T296] dump_stack_lvl+0x140/0x1c0 [ 32.126494][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.126568][ T296] dump_stack+0x19/0x20 [ 32.126639][ T296] should_fail_ex+0x3c2/0x510 [ 32.126696][ T296] should_failslab+0xac/0x100 [ 32.126764][ T296] __kmalloc_node_track_caller_noprof+0x65/0x4f0 [ 32.126826][ T296] ? xt_register_table+0xb2/0x5f0 [ 32.126886][ T296] kmemdup_noprof+0x31/0x80 [ 32.126967][ T296] xt_register_table+0xb2/0x5f0 [ 32.127025][ T296] ipt_register_table+0x164/0x7c0 [ 32.127115][ T296] ? __cfi_ipt_register_table+0x10/0x10 [ 32.127189][ T296] iptable_raw_table_init+0x58/0x80 [ 32.127259][ T296] xt_find_table_lock+0x36c/0x460 [ 32.127314][ T296] xt_request_find_table_lock+0x2b/0x100 [ 32.127383][ T296] do_ipt_get_ctl+0x6ee/0x1210 [ 32.127457][ T296] ? __cfi_tcp_release_cb+0x10/0x10 [ 32.127542][ T296] ? __folio_batch_add_and_move+0x25b/0x320 [ 32.127615][ T296] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 32.127672][ T296] ? _raw_spin_unlock_bh+0x54/0x60 [ 32.127736][ T296] ? release_sock+0x171/0x1f0 [ 32.127815][ T296] ? sockopt_release_sock+0x5b/0x70 [ 32.127902][ T296] ? do_ip_getsockopt+0x1096/0x17b0 [ 32.127928][ T296] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 32.127979][ T296] ? __kasan_check_write+0x18/0x20 [ 32.128054][ T296] ? do_wp_page+0x21c6/0x2e80 [ 32.128125][ T296] ? avc_has_perm_noaudit+0x26b/0x360 [ 32.128204][ T296] ? __asan_memcpy+0x5a/0x80 [ 32.128264][ T296] ? __kasan_check_write+0x18/0x20 [ 32.128310][ T296] ? mutex_unlock+0x90/0x240 [ 32.128390][ T296] ? __cfi_mutex_unlock+0x10/0x10 [ 32.128474][ T296] ? avc_has_perm+0x155/0x240 [ 32.128531][ T296] ? __cfi_avc_has_perm+0x10/0x10 [ 32.128593][ T296] nf_getsockopt+0x28b/0x2b0 [ 32.128659][ T296] ip_getsockopt+0x15b/0x200 [ 32.128722][ T296] ? __cfi_ip_getsockopt+0x10/0x10 [ 32.128784][ T296] tcp_getsockopt+0x103/0x130 [ 32.128854][ T296] sock_common_getsockopt+0xb2/0xd0 [ 32.128927][ T296] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 32.129001][ T296] do_sock_getsockopt+0x3a4/0x6c0 [ 32.129055][ T296] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 32.129115][ T296] ? __kasan_check_write+0x18/0x20 [ 32.129188][ T296] __x64_sys_getsockopt+0x1d4/0x280 [ 32.129242][ T296] x64_sys_call+0x10db/0x2ee0 [ 32.129302][ T296] do_syscall_64+0x57/0xf0 [ 32.129365][ T296] ? clear_bhb_loop+0x50/0xa0 [ 32.129460][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.129554][ T296] RIP: 0033:0x7fec2119f66a [ 32.129604][ T296] 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 [ 32.129647][ T296] RSP: 002b:00007fff57777068 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 32.129703][ T296] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fec2119f66a [ 32.129746][ T296] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 32.129778][ T296] RBP: 0000000000000000 R08: 00007fff5777708c R09: 00007fff57777090 [ 32.129820][ T296] R10: 00007fec213ef408 R11: 0000000000000246 R12: 00007fec2123580b [ 32.129862][ T296] R13: 00007fec213f0180 R14: 00007fec213ef408 R15: 00007fec213ef400 [ 32.129913][ T296] [ 32.130264][ T296] FAULT_INJECTION: forcing a failure. [ 32.130264][ T296] name failslab, interval 1, probability 10, space 0, times 52 [ 32.133232][ T9] FAULT_INJECTION: forcing a failure. [ 32.133232][ T9] name failslab, interval 1, probability 10, space 0, times 52 [ 32.137945][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.138046][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.138094][ T46] Workqueue: mld mld_ifc_work [ 32.138167][ T46] Call Trace: [ 32.138186][ T46] [ 32.138207][ T46] __dump_stack+0x21/0x30 [ 32.138283][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.138350][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.138436][ T46] ? ref_tracker_alloc+0x356/0x5b0 [ 32.138509][ T46] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.138580][ T46] ? dst_alloc+0x163/0x240 [ 32.138635][ T46] dump_stack+0x19/0x20 [ 32.138703][ T46] should_fail_ex+0x3c2/0x510 [ 32.138773][ T46] should_failslab+0xac/0x100 [ 32.138837][ T46] __kmalloc_cache_noprof+0x41/0x470 [ 32.138900][ T46] ? dst_cow_metrics_generic+0x65/0x2a0 [ 32.138963][ T46] ? dst_init+0x329/0x430 [ 32.139025][ T46] dst_cow_metrics_generic+0x65/0x2a0 [ 32.139090][ T46] icmp6_dst_alloc+0x310/0x4f0 [ 32.139182][ T46] mld_sendpack+0x5ac/0xd10 [ 32.139253][ T46] ? add_grec+0x1400/0x1400 [ 32.139314][ T46] ? add_grec+0xfa8/0x1400 [ 32.139384][ T46] ? __asan_memcpy+0x5a/0x80 [ 32.139467][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.139557][ T46] mld_ifc_work+0x7cc/0xc40 [ 32.139611][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.139676][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.139741][ T46] worker_thread+0xc99/0x13f0 [ 32.139812][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.139876][ T46] ? __kasan_check_read+0x15/0x20 [ 32.139939][ T46] kthread+0x2c7/0x360 [ 32.140001][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.140062][ T46] ? __cfi_kthread+0x10/0x10 [ 32.140126][ T46] ret_from_fork+0x67/0xa0 [ 32.140217][ T46] ? __cfi_kthread+0x10/0x10 [ 32.140281][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.140342][ T46] [ 32.141248][ T46] FAULT_INJECTION: forcing a failure. [ 32.141248][ T46] name failslab, interval 1, probability 10, space 0, times 51 [ 32.143160][ T313] CPU: 0 UID: 0 PID: 313 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.143241][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.143275][ T313] Call Trace: [ 32.143294][ T313] [ 32.143315][ T313] __dump_stack+0x21/0x30 [ 32.143398][ T313] dump_stack_lvl+0x140/0x1c0 [ 32.143471][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.143557][ T313] ? __kasan_check_write+0x18/0x20 [ 32.143609][ T313] ? do_wp_page+0x21c6/0x2e80 [ 32.143689][ T313] dump_stack+0x19/0x20 [ 32.143762][ T313] should_fail_ex+0x3c2/0x510 [ 32.143826][ T313] should_failslab+0xac/0x100 [ 32.143897][ T313] kmem_cache_alloc_noprof+0x42/0x410 [ 32.143966][ T313] ? getname_flags+0xcc/0x6b0 [ 32.144050][ T313] getname_flags+0xcc/0x6b0 [ 32.144121][ T313] vfs_fstatat+0xcb/0x1d0 [ 32.144178][ T313] __se_sys_newfstatat+0x127/0x3c0 [ 32.144251][ T313] ? __x64_sys_newfstatat+0xc0/0xc0 [ 32.144324][ T313] ? __cfi_handle_mm_fault+0x10/0x10 [ 32.144385][ T313] ? lock_vma_under_rcu+0x4cf/0x590 [ 32.144468][ T313] ? __kasan_check_write+0x18/0x20 [ 32.144527][ T313] ? do_user_addr_fault+0xbf5/0x1230 [ 32.144610][ T313] ? __kasan_check_read+0x15/0x20 [ 32.144669][ T313] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 32.144743][ T313] __x64_sys_newfstatat+0x9f/0xc0 [ 32.144817][ T313] x64_sys_call+0x1821/0x2ee0 [ 32.144877][ T313] do_syscall_64+0x57/0xf0 [ 32.144941][ T313] ? clear_bhb_loop+0x50/0xa0 [ 32.145016][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.145088][ T313] RIP: 0033:0x7fe5d2311b0a [ 32.145133][ T313] 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 [ 32.145179][ T313] RSP: 002b:00007fffbbeb3e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 32.145233][ T313] RAX: ffffffffffffffda RBX: 000000000000002c RCX: 00007fe5d2311b0a [ 32.145275][ T313] RDX: 00007fffbbeb3ea0 RSI: 00007fffbbeb3f70 RDI: 00000000ffffff9c [ 32.145323][ T313] RBP: 00007fffbbeb4fb0 R08: 00007fffbbeb5be0 R09: 0000000000000003 [ 32.145371][ T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbbeb5be0 [ 32.145425][ T313] R13: 0000000000000000 R14: 00007fffbbeb57e0 R15: 00007fffbbeb53e0 [ 32.145483][ T313] [ 32.146083][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.146157][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.146192][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.146254][ T13] Call Trace: [ 32.146267][ T13] [ 32.146287][ T13] __dump_stack+0x21/0x30 [ 32.146368][ T13] dump_stack_lvl+0x140/0x1c0 [ 32.146443][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.146527][ T13] dump_stack+0x19/0x20 [ 32.146599][ T13] should_fail_ex+0x3c2/0x510 [ 32.146663][ T13] ? ___neigh_create+0x741/0x2100 [ 32.146750][ T13] should_failslab+0xac/0x100 [ 32.146821][ T13] __kmalloc_noprof+0x69/0x510 [ 32.146874][ T13] ? ___neigh_create+0x741/0x2100 [ 32.146939][ T13] ? ip6t_do_table+0x1355/0x1510 [ 32.146999][ T13] ___neigh_create+0x741/0x2100 [ 32.147064][ T13] ? __kasan_check_read+0x15/0x20 [ 32.147131][ T13] ? selinux_ip_postroute+0x291/0xfe0 [ 32.147171][ T13] __neigh_create+0x72/0xb0 [ 32.147198][ T13] ip6_finish_output2+0xba2/0x1990 [ 32.147303][ T13] ? __cfi_ip6_finish_output2+0x10/0x10 [ 32.147390][ T13] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 32.147456][ T13] ip6_finish_output+0x535/0xaf0 [ 32.147530][ T13] ip6_output+0x1fe/0x420 [ 32.147599][ T13] ? __cfi_ip6_output+0x10/0x10 [ 32.147672][ T13] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.147737][ T13] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.147829][ T13] ? __cfi_ip6_output+0x10/0x10 [ 32.147892][ T13] ndisc_send_skb+0x777/0xca0 [ 32.147955][ T13] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.148008][ T13] ? __cfi_dst_output+0x10/0x10 [ 32.148061][ T13] ? ndisc_ns_create+0x6af/0x8d0 [ 32.148115][ T13] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.148194][ T13] ndisc_send_ns+0xd8/0x160 [ 32.148248][ T13] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.148313][ T13] addrconf_dad_work+0xa0e/0x1550 [ 32.148374][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.148437][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 32.148485][ T13] ? kick_pool+0xb9/0x540 [ 32.148549][ T13] process_scheduled_works+0x7f7/0x1060 [ 32.148614][ T13] worker_thread+0xc99/0x13f0 [ 32.148699][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.148783][ T13] ? __kasan_check_read+0x15/0x20 [ 32.148845][ T13] kthread+0x2c7/0x360 [ 32.148907][ T13] ? __cfi_worker_thread+0x10/0x10 [ 32.148970][ T13] ? __cfi_kthread+0x10/0x10 [ 32.149032][ T13] ret_from_fork+0x67/0xa0 [ 32.149101][ T13] ? __cfi_kthread+0x10/0x10 [ 32.149157][ T13] ret_from_fork_asm+0x1a/0x30 [ 32.149212][ T13] [ 32.149323][ T13] FAULT_INJECTION: forcing a failure. [ 32.149323][ T13] name failslab, interval 1, probability 10, space 0, times 47 [ 32.152148][ T295] FAULT_INJECTION: forcing a failure. [ 32.152148][ T295] name failslab, interval 1, probability 10, space 0, times 46 [ 32.157822][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.157898][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.157939][ T9] Workqueue: mld mld_ifc_work [ 32.157990][ T9] Call Trace: [ 32.158009][ T9] [ 32.158030][ T9] __dump_stack+0x21/0x30 [ 32.158105][ T9] dump_stack_lvl+0x140/0x1c0 [ 32.158191][ T9] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.158287][ T9] ? ref_tracker_alloc+0x356/0x5b0 [ 32.158380][ T9] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.158439][ T9] ? dst_alloc+0x163/0x240 [ 32.158497][ T9] dump_stack+0x19/0x20 [ 32.158571][ T9] should_fail_ex+0x3c2/0x510 [ 32.158634][ T9] should_failslab+0xac/0x100 [ 32.158714][ T9] __kmalloc_cache_noprof+0x41/0x470 [ 32.158776][ T9] ? dst_cow_metrics_generic+0x65/0x2a0 [ 32.158839][ T9] ? dst_init+0x329/0x430 [ 32.158893][ T9] dst_cow_metrics_generic+0x65/0x2a0 [ 32.158955][ T9] icmp6_dst_alloc+0x310/0x4f0 [ 32.159048][ T9] mld_sendpack+0x5ac/0xd10 [ 32.159111][ T9] ? add_grec+0x1400/0x1400 [ 32.159160][ T9] ? add_grec+0xfa8/0x1400 [ 32.159222][ T9] ? __asan_memcpy+0x5a/0x80 [ 32.159286][ T9] ? __cfi_mutex_lock+0x10/0x10 [ 32.159362][ T9] mld_ifc_work+0x7cc/0xc40 [ 32.159422][ T9] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.159473][ T9] process_scheduled_works+0x7f7/0x1060 [ 32.159539][ T9] worker_thread+0xc99/0x13f0 [ 32.159611][ T9] kthread+0x2c7/0x360 [ 32.159704][ T9] ? __cfi_worker_thread+0x10/0x10 [ 32.159783][ T9] ? __cfi_kthread+0x10/0x10 [ 32.159846][ T9] ret_from_fork+0x67/0xa0 [ 32.159929][ T9] ? __cfi_kthread+0x10/0x10 [ 32.159993][ T9] ret_from_fork_asm+0x1a/0x30 [ 32.160049][ T9] [ 32.160951][ T313] FAULT_INJECTION: forcing a failure. [ 32.160951][ T313] name failslab, interval 1, probability 10, space 0, times 45 [ 32.166214][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.166302][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.166351][ T46] Workqueue: mld mld_ifc_work [ 32.166418][ T46] Call Trace: [ 32.166447][ T46] [ 32.166469][ T46] __dump_stack+0x21/0x30 [ 32.166555][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.166601][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.166634][ T46] dump_stack+0x19/0x20 [ 32.166661][ T46] should_fail_ex+0x3c2/0x510 [ 32.166748][ T46] should_failslab+0xac/0x100 [ 32.166830][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.166902][ T46] ? __alloc_skb+0x10c/0x360 [ 32.166986][ T46] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.167052][ T46] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.167149][ T46] __alloc_skb+0x10c/0x360 [ 32.167231][ T46] mld_newpack+0x162/0xa10 [ 32.167298][ T46] ? mld_sendpack+0xd10/0xd10 [ 32.167370][ T46] ? add_grec+0x1400/0x1400 [ 32.167426][ T46] ? add_grec+0xfa8/0x1400 [ 32.167491][ T46] add_grec+0xf20/0x1400 [ 32.167556][ T46] ? __kasan_check_write+0x18/0x20 [ 32.167691][ T46] ? mutex_lock+0x97/0x1d0 [ 32.167803][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.167889][ T46] mld_ifc_work+0x71d/0xc40 [ 32.168113][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.168153][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.168248][ T46] worker_thread+0xc99/0x13f0 [ 32.168327][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.168401][ T46] ? __kasan_check_read+0x15/0x20 [ 32.168451][ T46] kthread+0x2c7/0x360 [ 32.168517][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.168572][ T46] ? __cfi_kthread+0x10/0x10 [ 32.168655][ T46] ret_from_fork+0x67/0xa0 [ 32.168741][ T46] ? __cfi_kthread+0x10/0x10 [ 32.168805][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.168868][ T46] [ 32.169791][ T46] FAULT_INJECTION: forcing a failure. [ 32.169791][ T46] name failslab, interval 1, probability 10, space 0, times 43 [ 32.171719][ T313] CPU: 0 UID: 0 PID: 313 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.171790][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.171830][ T313] Call Trace: [ 32.171843][ T313] [ 32.171871][ T313] __dump_stack+0x21/0x30 [ 32.171955][ T313] dump_stack_lvl+0x140/0x1c0 [ 32.172030][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.172113][ T313] ? __kasan_kmalloc+0x96/0xb0 [ 32.172184][ T313] dump_stack+0x19/0x20 [ 32.172266][ T313] should_fail_ex+0x3c2/0x510 [ 32.172337][ T313] should_failslab+0xac/0x100 [ 32.172401][ T313] __kmalloc_node_noprof+0x69/0x500 [ 32.172462][ T313] ? __kvmalloc_node_noprof+0x128/0x300 [ 32.172554][ T313] __kvmalloc_node_noprof+0x128/0x300 [ 32.172637][ T313] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 32.172727][ T313] ? __kasan_check_write+0x18/0x20 [ 32.172775][ T313] ? _raw_spin_lock+0x92/0x120 [ 32.172838][ T313] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.172912][ T313] simple_xattr_alloc+0x67/0x140 [ 32.172977][ T313] shmem_initxattrs+0x24f/0x530 [ 32.173088][ T313] ? security_inode_init_security+0x11c/0x600 [ 32.173178][ T313] security_inode_init_security+0x431/0x600 [ 32.173267][ T313] ? __cfi_shmem_initxattrs+0x10/0x10 [ 32.173350][ T313] ? __cfi_security_inode_init_security+0x10/0x10 [ 32.173424][ T313] ? __kasan_check_write+0x18/0x20 [ 32.173477][ T313] ? set_cached_acl+0xe1/0x1a0 [ 32.173559][ T313] ? simple_acl_create+0x190/0x1c0 [ 32.173620][ T313] shmem_mknod+0xd5/0x200 [ 32.173695][ T313] shmem_create+0x38/0x50 [ 32.173763][ T313] ? __cfi_shmem_create+0x10/0x10 [ 32.173846][ T313] path_openat+0x150b/0x35a0 [ 32.173932][ T313] ? do_filp_open+0x440/0x440 [ 32.174014][ T313] do_filp_open+0x1f2/0x440 [ 32.174087][ T313] ? __cfi_do_filp_open+0x10/0x10 [ 32.174170][ T313] ? alloc_fd+0x4c1/0x570 [ 32.174247][ T313] do_sys_openat2+0x134/0x1d0 [ 32.174329][ T313] ? do_sys_open+0x100/0x100 [ 32.174415][ T313] ? __kasan_check_write+0x18/0x20 [ 32.174497][ T313] ? do_user_addr_fault+0xbf5/0x1230 [ 32.174594][ T313] __x64_sys_openat+0x13a/0x170 [ 32.174677][ T313] x64_sys_call+0xe69/0x2ee0 [ 32.174722][ T313] do_syscall_64+0x57/0xf0 [ 32.174779][ T313] ? clear_bhb_loop+0x50/0xa0 [ 32.174852][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.174926][ T313] RIP: 0033:0x7fe5d22a7407 [ 32.174978][ T313] 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 [ 32.175029][ T313] RSP: 002b:00007fffbbeb5f80 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 32.175093][ T313] RAX: ffffffffffffffda RBX: 00007fe5d2959880 RCX: 00007fe5d22a7407 [ 32.175136][ T313] RDX: 0000000000080241 RSI: 00007fffbbeb64e0 RDI: ffffffffffffff9c [ 32.175177][ T313] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 32.175210][ T313] R10: 00000000000001b6 R11: 0000000000000202 R12: 000056256556fdfc [ 32.175259][ T313] R13: 000056256556fdfc R14: 0000000000000001 R15: 000056256558a140 [ 32.175311][ T313] [ 32.176138][ T287] CPU: 0 UID: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.176211][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.176261][ T287] Call Trace: [ 32.176281][ T287] [ 32.176301][ T287] __dump_stack+0x21/0x30 [ 32.176375][ T287] dump_stack_lvl+0x140/0x1c0 [ 32.176405][ T287] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.176460][ T287] ? __kasan_check_write+0x18/0x20 [ 32.176544][ T287] dump_stack+0x19/0x20 [ 32.176633][ T287] should_fail_ex+0x3c2/0x510 [ 32.176696][ T287] should_failslab+0xac/0x100 [ 32.176756][ T287] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.176818][ T287] ? __alloc_skb+0x10c/0x360 [ 32.176893][ T287] __alloc_skb+0x10c/0x360 [ 32.176966][ T287] ? tcp_current_mss+0x539/0x8b0 [ 32.177027][ T287] tcp_stream_alloc_skb+0x43/0x370 [ 32.177081][ T287] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 32.177144][ T287] ? avc_has_perm_noaudit+0x289/0x360 [ 32.177216][ T287] ? __kasan_check_write+0x18/0x20 [ 32.177278][ T287] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 32.177347][ T287] ? folio_unlock+0x137/0x1b0 [ 32.177412][ T287] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 32.177473][ T287] ? avc_has_perm+0x155/0x240 [ 32.177537][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.177597][ T287] tcp_sendmsg+0x3e/0xd0 [ 32.177648][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.177700][ T287] inet_sendmsg+0xb7/0x120 [ 32.177757][ T287] ? __cfi_inet_sendmsg+0x10/0x10 [ 32.177821][ T287] sock_write_iter+0x3bf/0x490 [ 32.177899][ T287] ? __cfi_sock_write_iter+0x10/0x10 [ 32.178000][ T287] vfs_write+0x762/0xfd0 [ 32.178070][ T287] ? __cfi_vfs_write+0x10/0x10 [ 32.178133][ T287] ? __kasan_check_read+0x15/0x20 [ 32.178194][ T287] ksys_write+0x145/0x260 [ 32.178254][ T287] ? __cfi_ksys_write+0x10/0x10 [ 32.178317][ T287] ? __kasan_check_write+0x18/0x20 [ 32.178375][ T287] ? fpregs_restore_userregs+0x11c/0x260 [ 32.178451][ T287] __x64_sys_write+0x7f/0x90 [ 32.178512][ T287] x64_sys_call+0x271c/0x2ee0 [ 32.178564][ T287] do_syscall_64+0x57/0xf0 [ 32.178626][ T287] ? clear_bhb_loop+0x50/0xa0 [ 32.178699][ T287] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.178766][ T287] RIP: 0033:0x7fe78df59017 [ 32.178810][ T287] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 32.178861][ T287] RSP: 002b:00007fff6d14a690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 32.178923][ T287] RAX: ffffffffffffffda RBX: 0000555574fcd500 RCX: 00007fe78df59017 [ 32.178966][ T287] RDX: 0000000000001250 RSI: 00007fe7879fedb0 RDI: 0000000000000003 [ 32.179000][ T287] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.179039][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000001250 [ 32.179080][ T287] R13: 0000555574fe6ab0 R14: 00007fff6d14ac30 R15: 00007fe7879fedb0 [ 32.179125][ T287] [ 32.179265][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.179365][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.179412][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.179474][ T13] Call Trace: [ 32.179494][ T13] [ 32.179514][ T13] __dump_stack+0x21/0x30 [ 32.179595][ T13] dump_stack_lvl+0x140/0x1c0 [ 32.179669][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.179746][ T13] ? rcu_read_unlock_special+0x150/0x420 [ 32.179827][ T13] ? __cfi_ip6_output+0x10/0x10 [ 32.179892][ T13] dump_stack+0x19/0x20 [ 32.179967][ T13] should_fail_ex+0x3c2/0x510 [ 32.180029][ T13] should_failslab+0xac/0x100 [ 32.180101][ T13] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.180164][ T13] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 32.180233][ T13] ? __alloc_skb+0x10c/0x360 [ 32.180324][ T13] __alloc_skb+0x10c/0x360 [ 32.180397][ T13] ndisc_ns_create+0x2c0/0x8d0 [ 32.180455][ T13] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.180519][ T13] ? __mod_timer+0x881/0xd20 [ 32.180587][ T13] ? __cfi_ndisc_ns_create+0x10/0x10 [ 32.180650][ T13] ndisc_send_ns+0xbb/0x160 [ 32.180715][ T13] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.180764][ T13] addrconf_dad_work+0xa0e/0x1550 [ 32.180827][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.180888][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 32.180952][ T13] ? kick_pool+0xb9/0x540 [ 32.181016][ T13] process_scheduled_works+0x7f7/0x1060 [ 32.181113][ T13] worker_thread+0xc99/0x13f0 [ 32.181185][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.181270][ T13] ? __kasan_check_read+0x15/0x20 [ 32.181324][ T13] kthread+0x2c7/0x360 [ 32.181386][ T13] ? __cfi_worker_thread+0x10/0x10 [ 32.181446][ T13] ? __cfi_kthread+0x10/0x10 [ 32.181509][ T13] ret_from_fork+0x67/0xa0 [ 32.181591][ T13] ? __cfi_kthread+0x10/0x10 [ 32.181656][ T13] ret_from_fork_asm+0x1a/0x30 [ 32.181716][ T13] [ 32.184434][ T13] FAULT_INJECTION: forcing a failure. [ 32.184434][ T13] name failslab, interval 1, probability 10, space 0, times 38 [ 32.185579][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.185675][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.185708][ T296] Call Trace: [ 32.185728][ T296] [ 32.185760][ T296] __dump_stack+0x21/0x30 [ 32.185837][ T296] dump_stack_lvl+0x140/0x1c0 [ 32.185911][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.185997][ T296] dump_stack+0x19/0x20 [ 32.186079][ T296] should_fail_ex+0x3c2/0x510 [ 32.186143][ T296] should_failslab+0xac/0x100 [ 32.186215][ T296] __kmalloc_node_noprof+0x69/0x500 [ 32.186264][ T296] ? __kvmalloc_node_noprof+0x128/0x300 [ 32.186356][ T296] __kvmalloc_node_noprof+0x128/0x300 [ 32.186447][ T296] ? __kasan_kmalloc+0x96/0xb0 [ 32.186512][ T296] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 32.186590][ T296] ? xt_replace_table+0x9d/0x880 [ 32.186660][ T296] xt_replace_table+0x1a6/0x880 [ 32.186722][ T296] xt_register_table+0x22d/0x5f0 [ 32.186785][ T296] ipt_register_table+0x164/0x7c0 [ 32.186846][ T296] ? __kmalloc_noprof+0x261/0x510 [ 32.186916][ T296] ? __cfi_ipt_register_table+0x10/0x10 [ 32.187017][ T296] iptable_security_table_init+0x45/0x70 [ 32.187096][ T296] xt_find_table_lock+0x36c/0x460 [ 32.187159][ T296] xt_request_find_table_lock+0x2b/0x100 [ 32.187213][ T296] do_ipt_get_ctl+0x6ee/0x1210 [ 32.187280][ T296] ? __cfi_tcp_release_cb+0x10/0x10 [ 32.187363][ T296] ? __folio_batch_add_and_move+0x25b/0x320 [ 32.187441][ T296] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 32.187503][ T296] ? _raw_spin_unlock_bh+0x54/0x60 [ 32.187572][ T296] ? release_sock+0x171/0x1f0 [ 32.187647][ T296] ? sockopt_release_sock+0x5b/0x70 [ 32.187728][ T296] ? do_ip_getsockopt+0x1096/0x17b0 [ 32.187815][ T296] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 32.187881][ T296] ? __kasan_check_write+0x18/0x20 [ 32.187935][ T296] ? do_wp_page+0x21c6/0x2e80 [ 32.187998][ T296] ? avc_has_perm_noaudit+0x26b/0x360 [ 32.188068][ T296] ? __asan_memcpy+0x5a/0x80 [ 32.188129][ T296] ? __kasan_check_write+0x18/0x20 [ 32.188183][ T296] ? mutex_unlock+0x90/0x240 [ 32.188260][ T296] ? __cfi_mutex_unlock+0x10/0x10 [ 32.188360][ T296] ? avc_has_perm+0x155/0x240 [ 32.188452][ T296] ? __cfi_avc_has_perm+0x10/0x10 [ 32.188508][ T296] nf_getsockopt+0x28b/0x2b0 [ 32.188580][ T296] ip_getsockopt+0x15b/0x200 [ 32.188643][ T296] ? __cfi_ip_getsockopt+0x10/0x10 [ 32.188707][ T296] tcp_getsockopt+0x103/0x130 [ 32.188785][ T296] sock_common_getsockopt+0xb2/0xd0 [ 32.188851][ T296] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 32.188932][ T296] do_sock_getsockopt+0x3a4/0x6c0 [ 32.188986][ T296] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 32.189046][ T296] ? fpu_flush_thread+0x320/0x340 [ 32.189120][ T296] ? xfd_validate_state+0x68/0x140 [ 32.189201][ T296] __x64_sys_getsockopt+0x1d4/0x280 [ 32.189258][ T296] ? fpu_flush_thread+0x320/0x340 [ 32.189329][ T296] ? fpu_flush_thread+0x320/0x340 [ 32.189396][ T296] x64_sys_call+0x10db/0x2ee0 [ 32.189457][ T296] do_syscall_64+0x57/0xf0 [ 32.189520][ T296] ? clear_bhb_loop+0x50/0xa0 [ 32.189593][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.189685][ T296] RIP: 0033:0x7fec2119f66a [ 32.189736][ T296] 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 [ 32.189787][ T296] RSP: 002b:00007fff57777068 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 32.189849][ T296] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fec2119f66a [ 32.189885][ T296] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 32.189927][ T296] RBP: 0000000000000000 R08: 00007fff5777708c R09: 00007fff57777090 [ 32.189968][ T296] R10: 00007fec213efac8 R11: 0000000000000246 R12: 00007fec21243d8c [ 32.190016][ T296] R13: 00007fec213f0180 R14: 00007fec213efac8 R15: 00007fec213efac0 [ 32.190060][ T296] [ 32.193714][ T100] CPU: 1 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.193805][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.193838][ T100] Call Trace: [ 32.193857][ T100] [ 32.193878][ T100] __dump_stack+0x21/0x30 [ 32.193962][ T100] dump_stack_lvl+0x140/0x1c0 [ 32.194037][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.194119][ T100] dump_stack+0x19/0x20 [ 32.194192][ T100] should_fail_ex+0x3c2/0x510 [ 32.194259][ T100] should_failslab+0xac/0x100 [ 32.194332][ T100] kmem_cache_alloc_noprof+0x42/0x410 [ 32.194393][ T100] ? security_inode_alloc+0x51/0x230 [ 32.194494][ T100] security_inode_alloc+0x51/0x230 [ 32.194572][ T100] inode_init_always_gfp+0x756/0x9e0 [ 32.194644][ T100] ? __cfi_sock_alloc_inode+0x10/0x10 [ 32.194716][ T100] alloc_inode+0xc5/0x270 [ 32.194798][ T100] ? bpf_lsm_socket_create+0xd/0x20 [ 32.194861][ T100] new_inode_pseudo+0x19/0x40 [ 32.194927][ T100] __sock_create+0x130/0x810 [ 32.195009][ T100] __sys_socket+0xe1/0x1c0 [ 32.195082][ T100] __x64_sys_socket+0x7e/0x90 [ 32.195157][ T100] x64_sys_call+0x2608/0x2ee0 [ 32.195210][ T100] do_syscall_64+0x57/0xf0 [ 32.195267][ T100] ? clear_bhb_loop+0x50/0xa0 [ 32.195340][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.195412][ T100] RIP: 0033:0x7f2965762707 [ 32.195463][ T100] 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 [ 32.195508][ T100] RSP: 002b:00007ffc98717e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 32.195570][ T100] RAX: ffffffffffffffda RBX: 0000000000000055 RCX: 00007f2965762707 [ 32.195606][ T100] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 32.195646][ T100] RBP: 00007f29657ee560 R08: 0000000000000000 R09: 0000000000000000 [ 32.195686][ T100] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 32.195720][ T100] R13: 00007ffc98717f90 R14: 000000000000003a R15: 00007ffc98717f90 [ 32.195787][ T100] [ 32.195847][ T100] socket: no more sockets [ 32.196322][ C0] FAULT_INJECTION: forcing a failure. [ 32.196322][ C0] name failslab, interval 1, probability 10, space 0, times 35 [ 32.202275][ T296] FAULT_INJECTION: forcing a failure. [ 32.202275][ T296] name failslab, interval 1, probability 10, space 0, times 34 [ 32.220315][ C0] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.220349][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.220367][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.220474][ C0] Call Trace: [ 32.220500][ C0] [ 32.220523][ C0] __dump_stack+0x21/0x30 [ 32.220620][ C0] dump_stack_lvl+0x140/0x1c0 [ 32.220681][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.220763][ C0] dump_stack+0x19/0x20 [ 32.220835][ C0] should_fail_ex+0x3c2/0x510 [ 32.220905][ C0] should_failslab+0xac/0x100 [ 32.220970][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 32.221032][ C0] ? skb_clone+0x21d/0x470 [ 32.221084][ C0] ? __cfi_br_multicast_count+0x10/0x10 [ 32.221178][ C0] skb_clone+0x21d/0x470 [ 32.221232][ C0] br_flood+0x4df/0x720 [ 32.221289][ C0] br_dev_xmit+0xc7e/0x11c0 [ 32.221371][ C0] ? __cfi_br_dev_xmit+0x10/0x10 [ 32.221452][ C0] ? __cfi_netif_skb_features+0x10/0x10 [ 32.221529][ C0] dev_hard_start_xmit+0x230/0x730 [ 32.221618][ C0] __dev_queue_xmit+0x1969/0x3780 [ 32.221686][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 32.221772][ C0] ? ip_route_output_flow+0xff/0x2a0 [ 32.221841][ C0] ? igmp_ifc_timer_expire+0x85b/0xe50 [ 32.221950][ C0] ? __asan_memset+0x39/0x50 [ 32.222010][ C0] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 32.222073][ C0] ? __cfi___dev_queue_xmit+0x10/0x10 [ 32.222153][ C0] ? dst_init+0x329/0x430 [ 32.222225][ C0] ? __kasan_check_read+0x15/0x20 [ 32.222278][ C0] ? selinux_ip_postroute+0x291/0xfe0 [ 32.222340][ C0] ? ip_neigh_gw4+0x28c/0x320 [ 32.222393][ C0] ? ip_finish_output2+0xfb0/0xfb0 [ 32.222454][ C0] ? __asan_memcpy+0x5a/0x80 [ 32.222508][ C0] ip_finish_output2+0xb82/0xfb0 [ 32.222570][ C0] ? __cfi_ip_finish_output2+0x10/0x10 [ 32.222632][ C0] ? ip_skb_dst_mtu+0x4b2/0x670 [ 32.222672][ C0] __ip_finish_output+0x17b/0x3e0 [ 32.222725][ C0] ip_finish_output+0x35/0x360 [ 32.222800][ C0] ? ip_output+0x306/0x330 [ 32.222883][ C0] ip_output+0x1a1/0x330 [ 32.222966][ C0] ? __cfi_ip_output+0x10/0x10 [ 32.223050][ C0] ? __cfi_ip_finish_output+0x10/0x10 [ 32.223132][ C0] ? add_grec+0x11f5/0x1450 [ 32.223223][ C0] ? __cfi_ip_output+0x10/0x10 [ 32.223352][ C0] ip_local_out+0xde/0x110 [ 32.223445][ C0] igmpv3_sendpack+0x227/0x410 [ 32.223525][ C0] igmp_ifc_timer_expire+0x937/0xe50 [ 32.223632][ C0] ? _raw_spin_lock+0x92/0x120 [ 32.223692][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.223756][ C0] ? __cfi_igmp_ifc_timer_expire+0x10/0x10 [ 32.223837][ C0] call_timer_fn+0x4c/0x300 [ 32.223912][ C0] ? __cfi_igmp_ifc_timer_expire+0x10/0x10 [ 32.224005][ C0] __run_timer_base+0x6c0/0x9b0 [ 32.224087][ C0] ? timer_expire_remote+0xa0/0xa0 [ 32.224158][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 32.224252][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 32.224333][ C0] run_timer_softirq+0x35/0x70 [ 32.224405][ C0] handle_softirqs+0x1aa/0x620 [ 32.224460][ C0] __irq_exit_rcu+0x47/0xb0 [ 32.224519][ C0] irq_exit_rcu+0xd/0x30 [ 32.224571][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 32.224668][ C0] [ 32.224689][ C0] [ 32.224716][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 32.224797][ C0] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 32.224880][ C0] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 1f 4a 77 00 48 8b [ 32.224931][ C0] RSP: 0018:ffffc900000d6f20 EFLAGS: 00000293 [ 32.224983][ C0] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: ffff888103652600 [ 32.225026][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 32.225059][ C0] RBP: ffffc900000d7050 R08: 0000000000000003 R09: 0000000000000004 [ 32.225099][ C0] R10: dffffc0000000000 R11: fffff5200001add4 R12: dffffc0000000000 [ 32.225142][ C0] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 32.225192][ C0] ? console_flush_all+0x6f8/0xab0 [ 32.225275][ C0] ? console_flush_all+0x771/0xab0 [ 32.225355][ C0] ? __console_rewind_all+0x170/0x170 [ 32.225436][ C0] ? __kasan_check_read+0x15/0x20 [ 32.225490][ C0] ? is_printk_cpu_sync_owner+0x39/0x50 [ 32.225579][ C0] ? is_printk_legacy_deferred+0x5c/0x70 [ 32.225633][ C0] console_unlock+0xf8/0x2c0 [ 32.225697][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.225762][ C0] ? __cfi_console_unlock+0x10/0x10 [ 32.225836][ C0] ? __kasan_check_write+0x18/0x20 [ 32.225889][ C0] ? _raw_spin_lock+0x92/0x120 [ 32.225951][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.226020][ C0] ? __kasan_check_read+0x15/0x20 [ 32.226092][ C0] ? is_printk_cpu_sync_owner+0x39/0x50 [ 32.226197][ C0] vprintk_emit+0x282/0x650 [ 32.226270][ C0] ? __cfi_vprintk_emit+0x10/0x10 [ 32.226343][ C0] vprintk_default+0x2a/0x40 [ 32.226416][ C0] vprintk+0x93/0xa0 [ 32.226466][ C0] _printk+0xde/0x140 [ 32.226537][ C0] ? __cfi__printk+0x10/0x10 [ 32.226615][ C0] should_fail_ex+0x3a4/0x510 [ 32.226671][ C0] ? ___neigh_create+0x741/0x2100 [ 32.226741][ C0] should_failslab+0xac/0x100 [ 32.226805][ C0] __kmalloc_noprof+0x69/0x510 [ 32.226865][ C0] ? ___neigh_create+0x741/0x2100 [ 32.226935][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 32.226988][ C0] ___neigh_create+0x741/0x2100 [ 32.227059][ C0] ? stack_depot_save_flags+0x38/0x800 [ 32.227137][ C0] ? __kasan_check_read+0x15/0x20 [ 32.227192][ C0] ? selinux_ip_postroute+0x291/0xfe0 [ 32.227246][ C0] __neigh_create+0x72/0xb0 [ 32.227310][ C0] ip6_finish_output2+0xba2/0x1990 [ 32.227408][ C0] ? __cfi_ip6_finish_output2+0x10/0x10 [ 32.227508][ C0] ? __asan_memset+0x39/0x50 [ 32.227567][ C0] ? xfrm_lookup_with_ifid+0x196e/0x2340 [ 32.227649][ C0] ip6_finish_output+0x535/0xaf0 [ 32.227714][ C0] ip6_output+0x1fe/0x420 [ 32.227778][ C0] ? __cfi_ip6_output+0x10/0x10 [ 32.227850][ C0] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.227923][ C0] ? __cfi_ip6_output+0x10/0x10 [ 32.227993][ C0] ndisc_send_skb+0x777/0xca0 [ 32.228047][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.228108][ C0] ? __cfi_dst_output+0x10/0x10 [ 32.228160][ C0] ? ndisc_ns_create+0x6af/0x8d0 [ 32.228213][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.228293][ C0] ndisc_send_ns+0xd8/0x160 [ 32.228352][ C0] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.228407][ C0] addrconf_dad_work+0xa0e/0x1550 [ 32.228479][ C0] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.228532][ C0] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 32.228594][ C0] ? kick_pool+0xb9/0x540 [ 32.228664][ C0] process_scheduled_works+0x7f7/0x1060 [ 32.228722][ C0] worker_thread+0xc99/0x13f0 [ 32.228779][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.228805][ C0] ? __kasan_check_read+0x15/0x20 [ 32.228828][ C0] kthread+0x2c7/0x360 [ 32.228891][ C0] ? __cfi_worker_thread+0x10/0x10 [ 32.228966][ C0] ? __cfi_kthread+0x10/0x10 [ 32.229043][ C0] ret_from_fork+0x67/0xa0 [ 32.229117][ C0] ? __cfi_kthread+0x10/0x10 [ 32.229188][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.229249][ C0] [ 32.231717][ T287] FAULT_INJECTION: forcing a failure. [ 32.231717][ T287] name failslab, interval 1, probability 10, space 0, times 33 [ 32.237112][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.237182][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.237223][ T295] Call Trace: [ 32.237236][ T295] [ 32.237258][ T295] __dump_stack+0x21/0x30 [ 32.237350][ T295] dump_stack_lvl+0x140/0x1c0 [ 32.237424][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.237508][ T295] dump_stack+0x19/0x20 [ 32.237579][ T295] should_fail_ex+0x3c2/0x510 [ 32.237643][ T295] should_failslab+0xac/0x100 [ 32.237710][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 32.237772][ T295] ? getname_flags+0xcc/0x6b0 [ 32.237842][ T295] getname_flags+0xcc/0x6b0 [ 32.237905][ T295] getname+0x1b/0x30 [ 32.237960][ T295] do_sys_openat2+0xda/0x1d0 [ 32.238035][ T295] ? putname+0x113/0x150 [ 32.238097][ T295] ? do_sys_open+0x100/0x100 [ 32.238173][ T295] ? do_mkdirat+0x4e0/0x530 [ 32.238257][ T295] __x64_sys_openat+0x13a/0x170 [ 32.238347][ T295] x64_sys_call+0xe69/0x2ee0 [ 32.238414][ T295] do_syscall_64+0x57/0xf0 [ 32.238486][ T295] ? clear_bhb_loop+0x50/0xa0 [ 32.238561][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.238634][ T295] RIP: 0033:0x7fcfd7f59017 [ 32.238695][ T295] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 32.238746][ T295] RSP: 002b:00007ffee868d9b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 32.238812][ T295] RAX: ffffffffffffffda RBX: 0000555577d1a500 RCX: 00007fcfd7f59017 [ 32.238855][ T295] RDX: 0000000000080001 RSI: 00007ffee868dfe0 RDI: ffffffffffffff9c [ 32.238890][ T295] RBP: 00007ffee868dfe0 R08: 0000000000000000 R09: 0000000000000000 [ 32.238932][ T295] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 32.238966][ T295] R13: 00007ffee868da70 R14: 00007ffee868dfa0 R15: 00007ffee868dfe0 [ 32.239018][ T295] [ 32.239619][ T295] FAULT_INJECTION: forcing a failure. [ 32.239619][ T295] name failslab, interval 1, probability 10, space 0, times 31 [ 32.244829][ T287] CPU: 0 UID: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.244920][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.244967][ T287] Call Trace: [ 32.244982][ T287] [ 32.245010][ T287] __dump_stack+0x21/0x30 [ 32.245103][ T287] dump_stack_lvl+0x140/0x1c0 [ 32.245195][ T287] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.245271][ T287] ? skb_network_protocol+0x533/0x7a0 [ 32.245345][ T287] ? __sprint_symbol+0x184/0x300 [ 32.245418][ T287] ? __cfi_skb_network_protocol+0x10/0x10 [ 32.245492][ T287] dump_stack+0x19/0x20 [ 32.245570][ T287] should_fail_ex+0x3c2/0x510 [ 32.245633][ T287] should_failslab+0xac/0x100 [ 32.245703][ T287] kmem_cache_alloc_noprof+0x42/0x410 [ 32.245766][ T287] ? skb_clone+0x21d/0x470 [ 32.245819][ T287] skb_clone+0x21d/0x470 [ 32.245874][ T287] dev_queue_xmit_nit+0x251/0xac0 [ 32.245948][ T287] dev_hard_start_xmit+0x19e/0x730 [ 32.246032][ T287] sch_direct_xmit+0x27d/0x9c0 [ 32.246086][ T287] ? __kasan_check_write+0x18/0x20 [ 32.246147][ T287] ? _raw_spin_trylock+0xb5/0x140 [ 32.246210][ T287] ? __cfi_sch_direct_xmit+0x10/0x10 [ 32.246272][ T287] ? netdev_core_pick_tx+0x1ff/0x370 [ 32.246371][ T287] ? __dev_queue_xmit+0x26c/0x3780 [ 32.246466][ T287] __dev_queue_xmit+0x1611/0x3780 [ 32.246534][ T287] ? __dev_queue_xmit+0x26c/0x3780 [ 32.246616][ T287] ? __cfi___dev_queue_xmit+0x10/0x10 [ 32.246683][ T287] ? percpu_counter_add_batch+0x194/0x1a0 [ 32.246753][ T287] ? mm_trace_rss_stat+0x20/0x120 [ 32.246814][ T287] ? __kasan_check_read+0x15/0x20 [ 32.246867][ T287] ? selinux_ip_postroute+0x291/0xfe0 [ 32.246924][ T287] ? __cfi_selinux_ip_postroute+0x10/0x10 [ 32.246987][ T287] ? __asan_memcpy+0x5a/0x80 [ 32.247041][ T287] ip_finish_output2+0xb82/0xfb0 [ 32.247105][ T287] ? __cfi_ip_finish_output2+0x10/0x10 [ 32.247175][ T287] ? skb_gso_validate_network_len+0x13b/0x2c0 [ 32.247239][ T287] __ip_finish_output+0x17b/0x3e0 [ 32.247300][ T287] ip_finish_output+0x35/0x360 [ 32.247376][ T287] ? ip_output+0x306/0x330 [ 32.247458][ T287] ip_output+0x1a1/0x330 [ 32.247540][ T287] ? __cfi_ip_output+0x10/0x10 [ 32.247623][ T287] ? __cfi_ip_finish_output+0x10/0x10 [ 32.247719][ T287] ? ipv4_dst_check+0xfc/0x170 [ 32.247801][ T287] ? __cfi_ip_output+0x10/0x10 [ 32.247891][ T287] __ip_queue_xmit+0x134d/0x1f70 [ 32.247985][ T287] ? __kasan_check_read+0x15/0x20 [ 32.248047][ T287] ip_queue_xmit+0x51/0x70 [ 32.248132][ T287] ? __cfi_ip_queue_xmit+0x10/0x10 [ 32.248230][ T287] __tcp_transmit_skb+0x23aa/0x38f0 [ 32.248303][ T287] ? __tcp_send_ack+0x6b0/0x6b0 [ 32.248367][ T287] ? __kasan_check_write+0x18/0x20 [ 32.248428][ T287] ? __kasan_check_read+0x15/0x20 [ 32.248482][ T287] ? tcp_small_queue_check+0x213/0x430 [ 32.248545][ T287] tcp_write_xmit+0x1a41/0x6d20 [ 32.248616][ T287] ? _copy_from_iter+0x121/0x1520 [ 32.248694][ T287] __tcp_push_pending_frames+0x9d/0x300 [ 32.248755][ T287] ? tcp_push+0x401/0x670 [ 32.248838][ T287] tcp_push+0x488/0x670 [ 32.248921][ T287] tcp_sendmsg_locked+0x3fce/0x4ac0 [ 32.249003][ T287] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 32.249056][ T287] ? avc_has_perm+0x155/0x240 [ 32.249148][ T287] ? hrtimer_reprogram+0x336/0x3d0 [ 32.249244][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.249303][ T287] tcp_sendmsg+0x3e/0xd0 [ 32.249347][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.249399][ T287] inet_sendmsg+0xb7/0x120 [ 32.249470][ T287] ? __cfi_inet_sendmsg+0x10/0x10 [ 32.249533][ T287] sock_write_iter+0x3bf/0x490 [ 32.249600][ T287] ? __cfi_sock_write_iter+0x10/0x10 [ 32.249667][ T287] ? usleep_range_state+0x150/0x150 [ 32.249730][ T287] vfs_write+0x762/0xfd0 [ 32.249786][ T287] ? __cfi_vfs_write+0x10/0x10 [ 32.249848][ T287] ? _copy_from_user+0x87/0xa0 [ 32.249927][ T287] ? __kasan_check_read+0x15/0x20 [ 32.249987][ T287] ksys_write+0x145/0x260 [ 32.250043][ T287] ? xfd_validate_state+0x68/0x140 [ 32.250125][ T287] ? __cfi_ksys_write+0x10/0x10 [ 32.250188][ T287] ? __kasan_check_write+0x18/0x20 [ 32.250242][ T287] ? fpregs_restore_userregs+0x11c/0x260 [ 32.250316][ T287] __x64_sys_write+0x7f/0x90 [ 32.250379][ T287] x64_sys_call+0x271c/0x2ee0 [ 32.250437][ T287] do_syscall_64+0x57/0xf0 [ 32.250514][ T287] ? clear_bhb_loop+0x50/0xa0 [ 32.250609][ T287] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.250676][ T287] RIP: 0033:0x7fe78df59017 [ 32.250721][ T287] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 32.250771][ T287] RSP: 002b:00007fff6d14a690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 32.250832][ T287] RAX: ffffffffffffffda RBX: 0000555574fcd500 RCX: 00007fe78df59017 [ 32.250875][ T287] RDX: 0000000000001250 RSI: 00007fe7879fedb0 RDI: 0000000000000003 [ 32.250915][ T287] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.250949][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000001250 [ 32.250989][ T287] R13: 0000555574fe6ab0 R14: 00007fff6d14ac30 R15: 00007fe7879fedb0 [ 32.251040][ T287] [ 32.253050][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.253135][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.253186][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.253256][ T13] Call Trace: [ 32.253269][ T13] [ 32.253298][ T13] __dump_stack+0x21/0x30 [ 32.253373][ T13] dump_stack_lvl+0x140/0x1c0 [ 32.253454][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.253536][ T13] dump_stack+0x19/0x20 [ 32.253608][ T13] should_fail_ex+0x3c2/0x510 [ 32.253666][ T13] ? ___neigh_create+0x741/0x2100 [ 32.253731][ T13] should_failslab+0xac/0x100 [ 32.253803][ T13] __kmalloc_noprof+0x69/0x510 [ 32.253865][ T13] ? ___neigh_create+0x741/0x2100 [ 32.253930][ T13] ? ret_from_fork_asm+0x1a/0x30 [ 32.253983][ T13] ___neigh_create+0x741/0x2100 [ 32.254056][ T13] ? stack_depot_save_flags+0x38/0x800 [ 32.254129][ T13] ? __kasan_check_read+0x15/0x20 [ 32.254191][ T13] ? selinux_ip_postroute+0x291/0xfe0 [ 32.254253][ T13] __neigh_create+0x72/0xb0 [ 32.254325][ T13] ip6_finish_output2+0xba2/0x1990 [ 32.254434][ T13] ? __cfi_ip6_finish_output2+0x10/0x10 [ 32.254523][ T13] ? __asan_memset+0x39/0x50 [ 32.254576][ T13] ? xfrm_lookup_with_ifid+0x196e/0x2340 [ 32.254658][ T13] ip6_finish_output+0x535/0xaf0 [ 32.254725][ T13] ip6_output+0x1fe/0x420 [ 32.254797][ T13] ? __cfi_ip6_output+0x10/0x10 [ 32.254861][ T13] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.254935][ T13] ? __cfi_ip6_output+0x10/0x10 [ 32.254998][ T13] ndisc_send_skb+0x777/0xca0 [ 32.255067][ T13] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.255119][ T13] ? __cfi_dst_output+0x10/0x10 [ 32.255181][ T13] ? ndisc_ns_create+0x6af/0x8d0 [ 32.255234][ T13] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.255315][ T13] ndisc_send_ns+0xd8/0x160 [ 32.255369][ T13] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.255429][ T13] addrconf_dad_work+0xa0e/0x1550 [ 32.255490][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.255551][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 32.255605][ T13] ? kick_pool+0xb9/0x540 [ 32.255679][ T13] process_scheduled_works+0x7f7/0x1060 [ 32.255765][ T13] worker_thread+0xc99/0x13f0 [ 32.255848][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.255912][ T13] ? __kasan_check_read+0x15/0x20 [ 32.255966][ T13] kthread+0x2c7/0x360 [ 32.256039][ T13] ? __cfi_worker_thread+0x10/0x10 [ 32.256093][ T13] ? __cfi_kthread+0x10/0x10 [ 32.256171][ T13] ret_from_fork+0x67/0xa0 [ 32.256255][ T13] ? __cfi_kthread+0x10/0x10 [ 32.256327][ T13] ret_from_fork_asm+0x1a/0x30 [ 32.256387][ T13] [ 32.258095][ T100] FAULT_INJECTION: forcing a failure. [ 32.258095][ T100] name failslab, interval 1, probability 10, space 0, times 28 [ 32.260919][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.261014][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.261062][ T46] Workqueue: mld mld_ifc_work [ 32.261132][ T46] Call Trace: [ 32.261152][ T46] [ 32.261202][ T46] __dump_stack+0x21/0x30 [ 32.261285][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.261358][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.261441][ T46] dump_stack+0x19/0x20 [ 32.261514][ T46] should_fail_ex+0x3c2/0x510 [ 32.261578][ T46] should_failslab+0xac/0x100 [ 32.261650][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.261715][ T46] ? __alloc_skb+0x10c/0x360 [ 32.261789][ T46] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.261862][ T46] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.261947][ T46] __alloc_skb+0x10c/0x360 [ 32.262019][ T46] mld_newpack+0x162/0xa10 [ 32.262083][ T46] ? mld_sendpack+0xd10/0xd10 [ 32.262145][ T46] ? add_grec+0x1400/0x1400 [ 32.262215][ T46] ? add_grec+0xfa8/0x1400 [ 32.262270][ T46] add_grec+0xf20/0x1400 [ 32.262340][ T46] ? __kasan_check_write+0x18/0x20 [ 32.262401][ T46] ? mutex_lock+0x97/0x1d0 [ 32.262494][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.262569][ T46] mld_ifc_work+0x71d/0xc40 [ 32.262623][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.262703][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.262778][ T46] worker_thread+0xc99/0x13f0 [ 32.262840][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.262904][ T46] ? __kasan_check_read+0x15/0x20 [ 32.262966][ T46] kthread+0x2c7/0x360 [ 32.263022][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.263084][ T46] ? __cfi_kthread+0x10/0x10 [ 32.263132][ T46] ret_from_fork+0x67/0xa0 [ 32.263208][ T46] ? __cfi_kthread+0x10/0x10 [ 32.263271][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.263325][ T46] [ 32.263866][ T46] FAULT_INJECTION: forcing a failure. [ 32.263866][ T46] name failslab, interval 1, probability 10, space 0, times 27 [ 32.269026][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.269114][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.269147][ T100] Call Trace: [ 32.269168][ T100] [ 32.269189][ T100] __dump_stack+0x21/0x30 [ 32.269274][ T100] dump_stack_lvl+0x140/0x1c0 [ 32.269357][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.269429][ T100] ? avc_has_perm_noaudit+0x289/0x360 [ 32.269503][ T100] dump_stack+0x19/0x20 [ 32.269577][ T100] should_fail_ex+0x3c2/0x510 [ 32.269648][ T100] should_failslab+0xac/0x100 [ 32.269708][ T100] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 32.269769][ T100] ? sock_alloc_inode+0x48/0x150 [ 32.269842][ T100] sock_alloc_inode+0x48/0x150 [ 32.269887][ T100] ? __cfi_sock_alloc_inode+0x10/0x10 [ 32.269952][ T100] alloc_inode+0x7a/0x270 [ 32.270017][ T100] ? bpf_lsm_socket_create+0xd/0x20 [ 32.270086][ T100] new_inode_pseudo+0x19/0x40 [ 32.270150][ T100] __sock_create+0x130/0x810 [ 32.270239][ T100] __sys_socket+0xe1/0x1c0 [ 32.270312][ T100] __x64_sys_socket+0x7e/0x90 [ 32.270414][ T100] x64_sys_call+0x2608/0x2ee0 [ 32.270478][ T100] do_syscall_64+0x57/0xf0 [ 32.270540][ T100] ? clear_bhb_loop+0x50/0xa0 [ 32.270613][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.270690][ T100] RIP: 0033:0x7f2965762707 [ 32.270740][ T100] 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 [ 32.270783][ T100] RSP: 002b:00007ffc98717e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 32.270846][ T100] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2965762707 [ 32.270887][ T100] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 32.270927][ T100] RBP: 00007f29657ee560 R08: 0000000000000073 R09: 0000000000000001 [ 32.270968][ T100] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 32.271001][ T100] R13: 00007ffc98717f90 R14: 0000000000000053 R15: 00007ffc98717f90 [ 32.271052][ T100] [ 32.271075][ T100] socket: no more sockets [ 32.272149][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.272208][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.272248][ T46] Workqueue: mld mld_ifc_work [ 32.272309][ T46] Call Trace: [ 32.272329][ T46] [ 32.272350][ T46] __dump_stack+0x21/0x30 [ 32.272423][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.272509][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.272592][ T46] dump_stack+0x19/0x20 [ 32.272668][ T46] should_fail_ex+0x3c2/0x510 [ 32.272737][ T46] should_failslab+0xac/0x100 [ 32.272801][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.272876][ T46] ? __alloc_skb+0x10c/0x360 [ 32.272963][ T46] ? lruvec_init+0x271/0x280 [ 32.273025][ T46] __alloc_skb+0x10c/0x360 [ 32.273100][ T46] mld_newpack+0x162/0xa10 [ 32.273164][ T46] ? mld_sendpack+0xd10/0xd10 [ 32.273229][ T46] add_grec+0xf20/0x1400 [ 32.273284][ T46] ? __kasan_check_write+0x18/0x20 [ 32.273344][ T46] ? mutex_lock+0x97/0x1d0 [ 32.273443][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.273530][ T46] mld_ifc_work+0x71d/0xc40 [ 32.273590][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.273655][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.273736][ T46] worker_thread+0xc99/0x13f0 [ 32.273794][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.273865][ T46] ? __kasan_check_read+0x15/0x20 [ 32.273920][ T46] kthread+0x2c7/0x360 [ 32.273981][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.274036][ T46] ? __cfi_kthread+0x10/0x10 [ 32.274106][ T46] ret_from_fork+0x67/0xa0 [ 32.274192][ T46] ? __cfi_kthread+0x10/0x10 [ 32.274254][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.274314][ T46] [ 32.275655][ T46] FAULT_INJECTION: forcing a failure. [ 32.275655][ T46] name failslab, interval 1, probability 10, space 0, times 23 [ 32.286543][ T100] FAULT_INJECTION: forcing a failure. [ 32.286543][ T100] name failslab, interval 1, probability 10, space 0, times 23 [ 32.300727][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.300839][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.300872][ T295] Call Trace: [ 32.300892][ T295] [ 32.300913][ T295] __dump_stack+0x21/0x30 [ 32.300998][ T295] dump_stack_lvl+0x140/0x1c0 [ 32.301080][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.301165][ T295] ? avc_has_perm_noaudit+0x289/0x360 [ 32.301237][ T295] dump_stack+0x19/0x20 [ 32.301310][ T295] should_fail_ex+0x3c2/0x510 [ 32.301373][ T295] should_failslab+0xac/0x100 [ 32.301436][ T295] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 32.301496][ T295] ? sock_alloc_inode+0x48/0x150 [ 32.301568][ T295] sock_alloc_inode+0x48/0x150 [ 32.301639][ T295] ? __cfi_sock_alloc_inode+0x10/0x10 [ 32.301713][ T295] alloc_inode+0x7a/0x270 [ 32.301784][ T295] ? bpf_lsm_socket_create+0xd/0x20 [ 32.301847][ T295] new_inode_pseudo+0x19/0x40 [ 32.301920][ T295] __sock_create+0x130/0x810 [ 32.301993][ T295] __sys_socket+0xe1/0x1c0 [ 32.302072][ T295] __x64_sys_socket+0x7e/0x90 [ 32.302177][ T295] x64_sys_call+0x2608/0x2ee0 [ 32.302243][ T295] do_syscall_64+0x57/0xf0 [ 32.302306][ T295] ? clear_bhb_loop+0x50/0xa0 [ 32.302378][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.302449][ T295] RIP: 0033:0x7fcfd7f9f707 [ 32.302500][ T295] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.302544][ T295] RSP: 002b:00007ffee868d8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029 [ 32.302605][ T295] RAX: ffffffffffffffda RBX: 00007fcfd81eb760 RCX: 00007fcfd7f9f707 [ 32.302647][ T295] RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 [ 32.302689][ T295] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 32.302722][ T295] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcfd81eb0e8 [ 32.302762][ T295] R13: 00007fcfd81ea3e0 R14: 0000000000000003 R15: 00007ffee868dfe0 [ 32.302806][ T295] [ 32.302835][ T295] socket: no more sockets [ 32.306894][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.306968][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.307006][ T100] Call Trace: [ 32.307020][ T100] [ 32.307040][ T100] __dump_stack+0x21/0x30 [ 32.307122][ T100] dump_stack_lvl+0x140/0x1c0 [ 32.307206][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.307280][ T100] ? should_fail_ex+0x201/0x510 [ 32.307343][ T100] dump_stack+0x19/0x20 [ 32.307409][ T100] should_fail_ex+0x3c2/0x510 [ 32.307486][ T100] should_failslab+0xac/0x100 [ 32.307557][ T100] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.307619][ T100] ? avc_has_perm_noaudit+0x26b/0x360 [ 32.307691][ T100] ? __alloc_skb+0x10c/0x360 [ 32.307770][ T100] ? __asan_memcpy+0x5a/0x80 [ 32.307823][ T100] __alloc_skb+0x10c/0x360 [ 32.307897][ T100] alloc_skb_with_frags+0xd0/0x8b0 [ 32.307977][ T100] ? __cfi_avc_has_perm+0x10/0x10 [ 32.308060][ T100] ? __kasan_check_write+0x18/0x20 [ 32.308142][ T100] sock_alloc_send_pskb+0x883/0x9a0 [ 32.308214][ T100] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 32.308276][ T100] ? __kasan_check_write+0x18/0x20 [ 32.308328][ T100] ? _raw_spin_lock+0x92/0x120 [ 32.308390][ T100] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.308472][ T100] unix_dgram_sendmsg+0x63a/0x1a90 [ 32.308543][ T100] ? selinux_socket_sendmsg+0x281/0x380 [ 32.308624][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 32.308704][ T100] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 32.308767][ T100] ? security_socket_sendmsg+0x3d/0x100 [ 32.308846][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 32.308931][ T100] __sys_sendto+0x68a/0x700 [ 32.309007][ T100] ? __cfi___sys_sendto+0x10/0x10 [ 32.309089][ T100] ? selinux_socket_connect+0x27/0x40 [ 32.309163][ T100] ? __cfi___sys_connect+0x10/0x10 [ 32.309247][ T100] ? fd_install+0x246/0x400 [ 32.309309][ T100] ? __sys_socket+0x16d/0x1c0 [ 32.309382][ T100] __x64_sys_sendto+0xe9/0x100 [ 32.309480][ T100] x64_sys_call+0x2c2c/0x2ee0 [ 32.309532][ T100] do_syscall_64+0x57/0xf0 [ 32.309594][ T100] ? clear_bhb_loop+0x50/0xa0 [ 32.309661][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.309733][ T100] RIP: 0033:0x7f29656e7407 [ 32.309776][ T100] 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 [ 32.309829][ T100] RSP: 002b:00007ffc98717e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 32.309890][ T100] RAX: ffffffffffffffda RBX: 00007f2965597c80 RCX: 00007f29656e7407 [ 32.309946][ T100] RDX: 000000000000003d RSI: 00007ffc98717f90 RDI: 0000000000000003 [ 32.309986][ T100] RBP: 00007ffc987183c0 R08: 0000000000000000 R09: 0000000000000000 [ 32.310033][ T100] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc987183d8 [ 32.310073][ T100] R13: 00007ffc98717f90 R14: 0000000000000022 R15: 00007ffc98717f90 [ 32.310124][ T100] [ 32.310398][ T100] FAULT_INJECTION: forcing a failure. [ 32.310398][ T100] name failslab, interval 1, probability 10, space 0, times 21 [ 32.326148][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.326237][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.326269][ T296] Call Trace: [ 32.326289][ T296] [ 32.326310][ T296] __dump_stack+0x21/0x30 [ 32.326382][ T296] dump_stack_lvl+0x140/0x1c0 [ 32.326456][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.326536][ T296] ? stack_trace_save+0xaa/0x100 [ 32.326600][ T296] ? stack_depot_save_flags+0x38/0x800 [ 32.326691][ T296] dump_stack+0x19/0x20 [ 32.326764][ T296] should_fail_ex+0x3c2/0x510 [ 32.326828][ T296] should_failslab+0xac/0x100 [ 32.326894][ T296] __kmalloc_node_noprof+0x69/0x500 [ 32.326968][ T296] ? x64_sys_call+0x10db/0x2ee0 [ 32.327048][ T296] ? __kvmalloc_node_noprof+0x128/0x300 [ 32.327081][ T296] __kvmalloc_node_noprof+0x128/0x300 [ 32.327146][ T296] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 32.327273][ T296] nf_hook_entries_grow+0x284/0x740 [ 32.327334][ T296] ? mutex_lock+0x97/0x1d0 [ 32.327409][ T296] ? ethtool_cmis_fw_update+0xe71/0x1100 [ 32.327499][ T296] __nf_register_net_hook+0x225/0x820 [ 32.327559][ T296] ? __kmalloc_node_track_caller_noprof+0x24e/0x4f0 [ 32.327622][ T296] nf_register_net_hook+0xbf/0x1b0 [ 32.327691][ T296] nf_register_net_hooks+0x4b/0x1c0 [ 32.327746][ T296] ip6t_register_table+0x522/0x7d0 [ 32.327806][ T296] ? __cfi_ip6t_register_table+0x10/0x10 [ 32.327884][ T296] ip6table_mangle_table_init+0x45/0x70 [ 32.327945][ T296] xt_find_table_lock+0x36c/0x460 [ 32.328006][ T296] xt_request_find_table_lock+0x2b/0x100 [ 32.328060][ T296] do_ip6t_get_ctl+0x6f3/0x1210 [ 32.328113][ T296] ? __kasan_check_read+0x15/0x20 [ 32.328167][ T296] ? __cfi_do_ip6t_get_ctl+0x10/0x10 [ 32.328212][ T296] ? __kasan_check_write+0x18/0x20 [ 32.328272][ T296] ? __asan_set_shadow_00+0x12/0x20 [ 32.328354][ T296] ? do_ipv6_getsockopt+0x109c/0x1fd0 [ 32.328409][ T296] ? __cfi_do_ipv6_getsockopt+0x10/0x10 [ 32.328469][ T296] ? folio_add_lru+0x116/0x400 [ 32.328562][ T296] ? __cfi_folio_add_lru+0x10/0x10 [ 32.328670][ T296] ? __kasan_check_write+0x18/0x20 [ 32.328731][ T296] ? do_wp_page+0x21c6/0x2e80 [ 32.328793][ T296] ? avc_has_perm_noaudit+0x26b/0x360 [ 32.328857][ T296] ? __asan_memcpy+0x5a/0x80 [ 32.328918][ T296] ? avc_has_perm_noaudit+0x289/0x360 [ 32.328982][ T296] ? __kasan_check_write+0x18/0x20 [ 32.329042][ T296] ? mutex_unlock+0x90/0x240 [ 32.329115][ T296] ? __cfi_mutex_unlock+0x10/0x10 [ 32.329182][ T296] ? __cfi_avc_has_perm+0x10/0x10 [ 32.329252][ T296] nf_getsockopt+0x28b/0x2b0 [ 32.329316][ T296] ipv6_getsockopt+0x203/0x2b0 [ 32.329369][ T296] ? __cfi_ipv6_getsockopt+0x10/0x10 [ 32.329428][ T296] tcp_getsockopt+0x103/0x130 [ 32.329493][ T296] sock_common_getsockopt+0xb2/0xd0 [ 32.329564][ T296] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 32.329633][ T296] do_sock_getsockopt+0x3a4/0x6c0 [ 32.329703][ T296] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 32.329757][ T296] ? __kasan_check_write+0x18/0x20 [ 32.329818][ T296] __x64_sys_getsockopt+0x1d4/0x280 [ 32.329880][ T296] x64_sys_call+0x10db/0x2ee0 [ 32.329934][ T296] do_syscall_64+0x57/0xf0 [ 32.330024][ T296] ? clear_bhb_loop+0x50/0xa0 [ 32.330120][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.330186][ T296] RIP: 0033:0x7fec2119f66a [ 32.330236][ T296] 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 [ 32.330280][ T296] RSP: 002b:00007fff57777068 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 32.330340][ T296] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fec2119f66a [ 32.330381][ T296] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 32.330413][ T296] RBP: 0000000000000029 R08: 00007fff5777708c R09: 00007fff57777090 [ 32.330454][ T296] R10: 00007fec213ecb88 R11: 0000000000000246 R12: 00007fec2124ee03 [ 32.330496][ T296] R13: 00007fec213edfc0 R14: 00007fec213ecb88 R15: 00007fec213ecb80 [ 32.330546][ T296] [ 32.331697][ T296] FAULT_INJECTION: forcing a failure. [ 32.331697][ T296] name failslab, interval 1, probability 10, space 0, times 19 [ 32.332452][ T287] FAULT_INJECTION: forcing a failure. [ 32.332452][ T287] name failslab, interval 1, probability 10, space 0, times 19 [ 32.336830][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.336925][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.336966][ T46] Workqueue: mld mld_ifc_work [ 32.337031][ T46] Call Trace: [ 32.337051][ T46] [ 32.337074][ T46] __dump_stack+0x21/0x30 [ 32.337160][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.337240][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.337315][ T46] ? ref_tracker_alloc+0x3f0/0x5b0 [ 32.337394][ T46] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.337460][ T46] dump_stack+0x19/0x20 [ 32.337539][ T46] should_fail_ex+0x3c2/0x510 [ 32.337602][ T46] should_failslab+0xac/0x100 [ 32.337686][ T46] __kmalloc_cache_noprof+0x41/0x470 [ 32.337748][ T46] ? dst_cow_metrics_generic+0x65/0x2a0 [ 32.337817][ T46] ? dst_init+0x329/0x430 [ 32.337872][ T46] dst_cow_metrics_generic+0x65/0x2a0 [ 32.337936][ T46] icmp6_dst_alloc+0x310/0x4f0 [ 32.338025][ T46] mld_sendpack+0x5ac/0xd10 [ 32.338090][ T46] ? add_grec+0x1400/0x1400 [ 32.338151][ T46] ? add_grec+0xfa8/0x1400 [ 32.338208][ T46] ? __asan_memcpy+0x5a/0x80 [ 32.338290][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.338386][ T46] mld_ifc_work+0x7cc/0xc40 [ 32.338451][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.338514][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.338589][ T46] worker_thread+0xc99/0x13f0 [ 32.338659][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.338723][ T46] ? __kasan_check_read+0x15/0x20 [ 32.338786][ T46] kthread+0x2c7/0x360 [ 32.338851][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.338907][ T46] ? __cfi_kthread+0x10/0x10 [ 32.338976][ T46] ret_from_fork+0x67/0xa0 [ 32.339052][ T46] ? __cfi_kthread+0x10/0x10 [ 32.339115][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.339181][ T46] [ 32.340615][ T46] FAULT_INJECTION: forcing a failure. [ 32.340615][ T46] name failslab, interval 1, probability 10, space 0, times 18 [ 32.341073][ T294] FAULT_INJECTION: forcing a failure. [ 32.341073][ T294] name failslab, interval 1, probability 10, space 0, times 18 [ 32.346234][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.346314][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.346361][ T46] Workqueue: mld mld_ifc_work [ 32.346433][ T46] Call Trace: [ 32.346464][ T46] [ 32.346491][ T46] __dump_stack+0x21/0x30 [ 32.346575][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.346658][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.346744][ T46] dump_stack+0x19/0x20 [ 32.346817][ T46] should_fail_ex+0x3c2/0x510 [ 32.346880][ T46] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.346952][ T46] should_failslab+0xac/0x100 [ 32.347026][ T46] kmem_cache_alloc_noprof+0x42/0x410 [ 32.347101][ T46] ? kasan_save_alloc_info+0x3a/0x50 [ 32.347217][ T46] ? dst_alloc+0x13c/0x240 [ 32.347278][ T46] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.347341][ T46] dst_alloc+0x13c/0x240 [ 32.347403][ T46] icmp6_dst_alloc+0xef/0x4f0 [ 32.347486][ T46] mld_sendpack+0x5ac/0xd10 [ 32.347556][ T46] ? add_grec+0x1400/0x1400 [ 32.347617][ T46] ? add_grec+0xfa8/0x1400 [ 32.347680][ T46] ? __asan_memcpy+0x5a/0x80 [ 32.347746][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.347828][ T46] mld_ifc_work+0x7cc/0xc40 [ 32.347891][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.347963][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.348029][ T46] worker_thread+0xc99/0x13f0 [ 32.348125][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.348192][ T46] ? __kasan_check_read+0x15/0x20 [ 32.348260][ T46] kthread+0x2c7/0x360 [ 32.348323][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.348377][ T46] ? __cfi_kthread+0x10/0x10 [ 32.348448][ T46] ret_from_fork+0x67/0xa0 [ 32.348557][ T46] ? __cfi_kthread+0x10/0x10 [ 32.348643][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.348714][ T46] [ 32.350059][ T46] FAULT_INJECTION: forcing a failure. [ 32.350059][ T46] name failslab, interval 1, probability 10, space 0, times 16 [ 32.350408][ T287] CPU: 0 UID: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.350495][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.350535][ T287] Call Trace: [ 32.350548][ T287] [ 32.350576][ T287] __dump_stack+0x21/0x30 [ 32.350652][ T287] dump_stack_lvl+0x140/0x1c0 [ 32.350733][ T287] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.350808][ T287] ? poll_freewait+0x219/0x250 [ 32.350890][ T287] dump_stack+0x19/0x20 [ 32.350964][ T287] should_fail_ex+0x3c2/0x510 [ 32.351028][ T287] should_failslab+0xac/0x100 [ 32.351098][ T287] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.351169][ T287] ? __alloc_skb+0x10c/0x360 [ 32.351281][ T287] __alloc_skb+0x10c/0x360 [ 32.351354][ T287] ? tcp_current_mss+0x539/0x8b0 [ 32.351417][ T287] tcp_stream_alloc_skb+0x43/0x370 [ 32.351477][ T287] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 32.351538][ T287] ? avc_has_perm_noaudit+0x289/0x360 [ 32.351610][ T287] ? __kasan_check_write+0x18/0x20 [ 32.351658][ T287] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 32.351736][ T287] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 32.351811][ T287] ? avc_has_perm+0x155/0x240 [ 32.351895][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.351954][ T287] tcp_sendmsg+0x3e/0xd0 [ 32.352012][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.352064][ T287] inet_sendmsg+0xb7/0x120 [ 32.352134][ T287] ? __cfi_inet_sendmsg+0x10/0x10 [ 32.352199][ T287] sock_write_iter+0x3bf/0x490 [ 32.352282][ T287] ? __cfi_sock_write_iter+0x10/0x10 [ 32.352347][ T287] ? put_timespec64+0xd9/0x130 [ 32.352428][ T287] ? __cfi_put_timespec64+0x10/0x10 [ 32.352510][ T287] vfs_write+0x762/0xfd0 [ 32.352571][ T287] ? __cfi_vfs_write+0x10/0x10 [ 32.352633][ T287] ? __cfi_set_user_sigmask+0x10/0x10 [ 32.352719][ T287] ? __kasan_check_read+0x15/0x20 [ 32.352778][ T287] ksys_write+0x145/0x260 [ 32.352831][ T287] ? xfd_validate_state+0x68/0x140 [ 32.352942][ T287] ? __cfi_ksys_write+0x10/0x10 [ 32.353005][ T287] ? __kasan_check_read+0x15/0x20 [ 32.353065][ T287] __x64_sys_write+0x7f/0x90 [ 32.353125][ T287] x64_sys_call+0x271c/0x2ee0 [ 32.353206][ T287] do_syscall_64+0x57/0xf0 [ 32.353280][ T287] ? clear_bhb_loop+0x50/0xa0 [ 32.353359][ T287] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.353432][ T287] RIP: 0033:0x7fe78df59017 [ 32.353482][ T287] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 32.353532][ T287] RSP: 002b:00007fff6d14a680 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 32.353593][ T287] RAX: ffffffffffffffda RBX: 0000555574fcd500 RCX: 00007fe78df59017 [ 32.353636][ T287] RDX: 0000000000000038 RSI: 0000555574fe8ab8 RDI: 0000000000000003 [ 32.353671][ T287] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.353705][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000038 [ 32.353745][ T287] R13: 0000555574fe8ab8 R14: ffffffffffffffe8 R15: 00007fff6d14ac30 [ 32.353797][ T287] [ 32.353910][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.353981][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.354020][ T294] Call Trace: [ 32.354033][ T294] [ 32.354054][ T294] __dump_stack+0x21/0x30 [ 32.354143][ T294] dump_stack_lvl+0x140/0x1c0 [ 32.354233][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.354316][ T294] ? __cfi_vlan_device_event+0x10/0x10 [ 32.354400][ T294] ? pfifo_fast_reset+0x633/0x680 [ 32.354461][ T294] dump_stack+0x19/0x20 [ 32.354552][ T294] should_fail_ex+0x3c2/0x510 [ 32.354621][ T294] should_failslab+0xac/0x100 [ 32.354686][ T294] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.354748][ T294] ? __alloc_skb+0x10c/0x360 [ 32.354815][ T294] __alloc_skb+0x10c/0x360 [ 32.354889][ T294] rtmsg_ifinfo_build_skb+0x7a/0x270 [ 32.354963][ T294] rtmsg_ifinfo+0x91/0x1a0 [ 32.355026][ T294] dev_close_many+0x27b/0x4f0 [ 32.355087][ T294] ? __cfi_dev_close_many+0x10/0x10 [ 32.355148][ T294] ? __kasan_check_read+0x15/0x20 [ 32.355228][ T294] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 32.355309][ T294] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.355373][ T294] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 32.355444][ T294] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 32.355495][ T294] ? add_timer_global+0x84/0xb0 [ 32.355522][ T294] ? __queue_delayed_work+0x1b0/0x240 [ 32.355617][ T294] ? queue_delayed_work_on+0x16f/0x1f0 [ 32.355699][ T294] ? __kasan_check_read+0x15/0x20 [ 32.355760][ T294] unregister_netdevice_queue+0x302/0x350 [ 32.355851][ T294] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 32.355927][ T294] ? linkwatch_fire_event+0x212/0x260 [ 32.356017][ T294] __tun_detach+0xc98/0x1450 [ 32.356074][ T294] ? __cfi_tun_chr_close+0x10/0x10 [ 32.356134][ T294] tun_chr_close+0x93/0x150 [ 32.356188][ T294] __fput+0x20b/0xa30 [ 32.356270][ T294] ____fput+0x20/0x30 [ 32.356342][ T294] task_work_run+0x1e8/0x260 [ 32.356421][ T294] ? __cfi_task_work_run+0x10/0x10 [ 32.356494][ T294] ? free_nsproxy+0x223/0x290 [ 32.356577][ T294] do_exit+0xa46/0x2850 [ 32.356652][ T294] ? __cfi_do_exit+0x10/0x10 [ 32.356705][ T294] ? __kasan_check_write+0x18/0x20 [ 32.356766][ T294] ? _raw_spin_lock_irq+0x93/0x120 [ 32.356828][ T294] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.356899][ T294] ? __cfi_ksys_write+0x10/0x10 [ 32.356952][ T294] ? zap_other_threads+0x32f/0x370 [ 32.357051][ T294] do_group_exit+0x21f/0x2f0 [ 32.357145][ T294] __x64_sys_exit_group+0x43/0x50 [ 32.357236][ T294] x64_sys_call+0x2ed2/0x2ee0 [ 32.357289][ T294] do_syscall_64+0x57/0xf0 [ 32.357351][ T294] ? clear_bhb_loop+0x50/0xa0 [ 32.357424][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.357498][ T294] RIP: 0033:0x7f1de399de99 [ 32.357547][ T294] Code: Unable to access opcode bytes at 0x7f1de399de6f. [ 32.357571][ T294] RSP: 002b:00007ffd717b7008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.357631][ T294] RAX: ffffffffffffffda RBX: 00007f1de3a334f4 RCX: 00007f1de399de99 [ 32.357667][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 32.357699][ T294] RBP: 00007f1de3a078b8 R08: 0000000000000000 R09: 0000000000000000 [ 32.357739][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000069 [ 32.357773][ T294] R13: 0000000000000000 R14: 00007f1de4754670 R15: 0000000000000000 [ 32.357822][ T294] [ 32.359002][ T294] FAULT_INJECTION: forcing a failure. [ 32.359002][ T294] name failslab, interval 1, probability 10, space 0, times 13 [ 32.371008][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.371090][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.371130][ T296] Call Trace: [ 32.371144][ T296] [ 32.371174][ T296] __dump_stack+0x21/0x30 [ 32.371257][ T296] dump_stack_lvl+0x140/0x1c0 [ 32.371330][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.371420][ T296] dump_stack+0x19/0x20 [ 32.371519][ T296] should_fail_ex+0x3c2/0x510 [ 32.371596][ T296] should_failslab+0xac/0x100 [ 32.371679][ T296] __kmalloc_node_track_caller_noprof+0x65/0x4f0 [ 32.371741][ T296] ? __x64_sys_mkdirat+0x8b/0xa0 [ 32.371815][ T296] ? do_syscall_64+0x57/0xf0 [ 32.371883][ T296] ? sidtab_sid2str_get+0x135/0x360 [ 32.371967][ T296] kmemdup_noprof+0x31/0x80 [ 32.372055][ T296] sidtab_sid2str_get+0x135/0x360 [ 32.372141][ T296] security_sid_to_context_core+0x30d/0x5d0 [ 32.372220][ T296] security_sid_to_context_force+0x31/0x40 [ 32.372295][ T296] selinux_inode_init_security+0x659/0x950 [ 32.372386][ T296] ? __cfi_selinux_inode_init_security+0x10/0x10 [ 32.372470][ T296] ? security_inode_init_security+0x11c/0x600 [ 32.372542][ T296] ? __cfi_shmem_initxattrs+0x10/0x10 [ 32.372625][ T296] ? __cfi_shmem_initxattrs+0x10/0x10 [ 32.372708][ T296] security_inode_init_security+0x1a8/0x600 [ 32.372790][ T296] ? __cfi_security_inode_init_security+0x10/0x10 [ 32.372905][ T296] ? set_cached_acl+0xe1/0x1a0 [ 32.373004][ T296] ? simple_acl_create+0x190/0x1c0 [ 32.373063][ T296] shmem_mknod+0xd5/0x200 [ 32.373146][ T296] shmem_mkdir+0x3b/0x80 [ 32.373214][ T296] vfs_mkdir+0x58e/0x810 [ 32.373324][ T296] do_mkdirat+0x240/0x530 [ 32.373398][ T296] ? __cfi_do_mkdirat+0x10/0x10 [ 32.373472][ T296] ? __kasan_check_write+0x18/0x20 [ 32.373524][ T296] ? getname_flags+0x203/0x6b0 [ 32.373586][ T296] ? __kasan_check_read+0x15/0x20 [ 32.373656][ T296] __x64_sys_mkdirat+0x8b/0xa0 [ 32.373730][ T296] x64_sys_call+0x2ba8/0x2ee0 [ 32.373783][ T296] do_syscall_64+0x57/0xf0 [ 32.373844][ T296] ? clear_bhb_loop+0x50/0xa0 [ 32.373926][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.374001][ T296] RIP: 0033:0x7fec2119cd07 [ 32.374046][ T296] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.374097][ T296] RSP: 002b:00007fff577776f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 [ 32.374153][ T296] RAX: ffffffffffffffda RBX: 00007fff57777750 RCX: 00007fec2119cd07 [ 32.374194][ T296] RDX: 00000000000001ff RSI: 00007fff57777750 RDI: 00000000ffffff9c [ 32.374243][ T296] RBP: 0000000000000003 R08: 0000000000000001 R09: 00000000ffffffff [ 32.374281][ T296] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 32.374313][ T296] R13: 00007fec213ea3e0 R14: 0000000000000003 R15: 00007fff57777790 [ 32.374365][ T296] [ 32.386131][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.386220][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.386260][ T46] Workqueue: mld mld_ifc_work [ 32.386328][ T46] Call Trace: [ 32.386341][ T46] [ 32.386361][ T46] __dump_stack+0x21/0x30 [ 32.386449][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.386521][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.386589][ T46] dump_stack+0x19/0x20 [ 32.386675][ T46] should_fail_ex+0x3c2/0x510 [ 32.386736][ T46] should_failslab+0xac/0x100 [ 32.386805][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.386874][ T46] ? __alloc_skb+0x10c/0x360 [ 32.386935][ T46] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.387000][ T46] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.387113][ T46] __alloc_skb+0x10c/0x360 [ 32.387196][ T46] mld_newpack+0x162/0xa10 [ 32.387260][ T46] ? mld_sendpack+0xd10/0xd10 [ 32.387322][ T46] ? add_grec+0x1400/0x1400 [ 32.387384][ T46] ? add_grec+0xfa8/0x1400 [ 32.387446][ T46] add_grec+0xf20/0x1400 [ 32.387508][ T46] ? __kasan_check_write+0x18/0x20 [ 32.387562][ T46] ? mutex_lock+0x97/0x1d0 [ 32.387642][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.387728][ T46] mld_ifc_work+0x71d/0xc40 [ 32.387790][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.387862][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.387945][ T46] worker_thread+0xc99/0x13f0 [ 32.388008][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.388073][ T46] ? __kasan_check_read+0x15/0x20 [ 32.388134][ T46] kthread+0x2c7/0x360 [ 32.388225][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.388280][ T46] ? __cfi_kthread+0x10/0x10 [ 32.388343][ T46] ret_from_fork+0x67/0xa0 [ 32.388435][ T46] ? __cfi_kthread+0x10/0x10 [ 32.388518][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.388586][ T46] [ 32.389377][ T46] FAULT_INJECTION: forcing a failure. [ 32.389377][ T46] name failslab, interval 1, probability 10, space 0, times 6 [ 32.393555][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.393621][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.393656][ T294] Call Trace: [ 32.393683][ T294] [ 32.393706][ T294] __dump_stack+0x21/0x30 [ 32.393804][ T294] dump_stack_lvl+0x140/0x1c0 [ 32.393888][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.393970][ T294] dump_stack+0x19/0x20 [ 32.394036][ T294] should_fail_ex+0x3c2/0x510 [ 32.394099][ T294] should_failslab+0xac/0x100 [ 32.394181][ T294] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.394235][ T294] ? __kasan_check_write+0x18/0x20 [ 32.394294][ T294] ? __alloc_skb+0x10c/0x360 [ 32.394367][ T294] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 32.394431][ T294] __alloc_skb+0x10c/0x360 [ 32.394511][ T294] inet6_rt_notify+0x351/0x520 [ 32.394572][ T294] ? __cfi_inet6_rt_notify+0x10/0x10 [ 32.394632][ T294] ? call_fib_notifiers+0xa4/0xc0 [ 32.394680][ T294] fib6_del+0xba0/0xf50 [ 32.394761][ T294] ? __cfi_fib6_del+0x10/0x10 [ 32.394840][ T294] ? fib6_ifdown+0x2f1/0x4f0 [ 32.394915][ T294] fib6_clean_node+0x2b9/0x560 [ 32.394987][ T294] ? __cfi_fib6_clean_node+0x10/0x10 [ 32.395087][ T294] ? preempt_schedule_common+0x2d/0x60 [ 32.395188][ T294] ? preempt_schedule+0xc5/0xe0 [ 32.395255][ T294] ? __cfi_preempt_schedule+0x10/0x10 [ 32.395325][ T294] fib6_walk_continue+0x518/0x740 [ 32.395407][ T294] __fib6_clean_all+0x2a2/0x440 [ 32.395484][ T294] ? __cfi_fib6_ifdown+0x10/0x10 [ 32.395535][ T294] ? fib6_clean_all+0x50/0x50 [ 32.395613][ T294] ? __cfi_fib6_clean_node+0x10/0x10 [ 32.395769][ T294] ? __cfi_fib6_ifdown+0x10/0x10 [ 32.395850][ T294] ? __cfi_preempt_schedule+0x10/0x10 [ 32.395934][ T294] ? __cfi_fib6_ifdown+0x10/0x10 [ 32.395987][ T294] fib6_clean_all+0x2e/0x50 [ 32.396057][ T294] rt6_disable_ip+0x124/0x810 [ 32.396136][ T294] ? __queue_work+0xb67/0x1130 [ 32.396208][ T294] ? __cfi_rt6_disable_ip+0x10/0x10 [ 32.396261][ T294] ? __kasan_check_read+0x15/0x20 [ 32.396322][ T294] addrconf_ifdown+0x161/0x1970 [ 32.396383][ T294] ? x64_sys_call+0x2ed2/0x2ee0 [ 32.396445][ T294] ? __try_to_del_timer_sync+0x2e8/0x440 [ 32.396546][ T294] ? addrconf_cleanup+0x150/0x150 [ 32.396610][ T294] ? __kasan_check_write+0x18/0x20 [ 32.396664][ T294] ? mutex_unlock+0x90/0x240 [ 32.396735][ T294] ? __cfi_mutex_unlock+0x10/0x10 [ 32.396813][ T294] ? __cfi_device_cmp+0x10/0x10 [ 32.396885][ T294] ? masq_device_event+0xe0/0xe0 [ 32.396962][ T294] addrconf_notify+0x17a/0xeb0 [ 32.397024][ T294] ? ip6mr_device_event+0x1ed/0x230 [ 32.397103][ T294] ? __cfi_addrconf_notify+0x10/0x10 [ 32.397176][ T294] notifier_call_chain+0x106/0x2b0 [ 32.397238][ T294] raw_notifier_call_chain+0x31/0x40 [ 32.397320][ T294] dev_close_many+0x332/0x4f0 [ 32.397416][ T294] ? __cfi_dev_close_many+0x10/0x10 [ 32.397477][ T294] ? __kasan_check_read+0x15/0x20 [ 32.397530][ T294] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 32.397632][ T294] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 32.397704][ T294] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 32.397770][ T294] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 32.397882][ T294] ? add_timer_global+0x84/0xb0 [ 32.397969][ T294] ? __queue_delayed_work+0x1b0/0x240 [ 32.398044][ T294] ? queue_delayed_work_on+0x16f/0x1f0 [ 32.398127][ T294] ? __kasan_check_read+0x15/0x20 [ 32.398191][ T294] unregister_netdevice_queue+0x302/0x350 [ 32.398269][ T294] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 32.398344][ T294] ? linkwatch_fire_event+0x212/0x260 [ 32.398446][ T294] __tun_detach+0xc98/0x1450 [ 32.398511][ T294] ? __cfi_tun_chr_close+0x10/0x10 [ 32.398566][ T294] tun_chr_close+0x93/0x150 [ 32.398633][ T294] __fput+0x20b/0xa30 [ 32.398718][ T294] ____fput+0x20/0x30 [ 32.398785][ T294] task_work_run+0x1e8/0x260 [ 32.398862][ T294] ? __cfi_task_work_run+0x10/0x10 [ 32.398937][ T294] ? free_nsproxy+0x223/0x290 [ 32.399032][ T294] do_exit+0xa46/0x2850 [ 32.399120][ T294] ? __cfi_do_exit+0x10/0x10 [ 32.399215][ T294] ? __kasan_check_write+0x18/0x20 [ 32.399290][ T294] ? _raw_spin_lock_irq+0x93/0x120 [ 32.399371][ T294] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.399436][ T294] ? __cfi_ksys_write+0x10/0x10 [ 32.399500][ T294] ? zap_other_threads+0x32f/0x370 [ 32.399572][ T294] do_group_exit+0x21f/0x2f0 [ 32.399634][ T294] __x64_sys_exit_group+0x43/0x50 [ 32.399717][ T294] x64_sys_call+0x2ed2/0x2ee0 [ 32.399770][ T294] do_syscall_64+0x57/0xf0 [ 32.399835][ T294] ? clear_bhb_loop+0x50/0xa0 [ 32.399912][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.399987][ T294] RIP: 0033:0x7f1de399de99 [ 32.400040][ T294] Code: Unable to access opcode bytes at 0x7f1de399de6f. [ 32.400074][ T294] RSP: 002b:00007ffd717b7008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.400149][ T294] RAX: ffffffffffffffda RBX: 00007f1de3a334f4 RCX: 00007f1de399de99 [ 32.400194][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 32.400236][ T294] RBP: 00007f1de3a078b8 R08: 0000000000000000 R09: 0000000000000000 [ 32.400279][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000069 [ 32.400314][ T294] R13: 0000000000000000 R14: 00007f1de4754670 R15: 0000000000000000 [ 32.400366][ T294] [ 32.401167][ T287] FAULT_INJECTION: forcing a failure. [ 32.401167][ T287] name failslab, interval 1, probability 10, space 0, times 5 [ 32.416245][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.416306][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.416358][ T46] Workqueue: mld mld_ifc_work [ 32.416458][ T46] Call Trace: [ 32.416486][ T46] [ 32.416516][ T46] __dump_stack+0x21/0x30 [ 32.416587][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.416675][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.416762][ T46] dump_stack+0x19/0x20 [ 32.416837][ T46] should_fail_ex+0x3c2/0x510 [ 32.416905][ T46] should_failslab+0xac/0x100 [ 32.416984][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.417048][ T46] ? kmem_cache_free+0x1bd/0x4f0 [ 32.417098][ T46] ? __alloc_skb+0x10c/0x360 [ 32.417172][ T46] ? __alloc_skb+0x249/0x360 [ 32.417247][ T46] __alloc_skb+0x10c/0x360 [ 32.417318][ T46] mld_newpack+0x162/0xa10 [ 32.417405][ T46] ? mld_sendpack+0xd10/0xd10 [ 32.417475][ T46] ? add_grec+0x1400/0x1400 [ 32.417538][ T46] ? add_grec+0xfa8/0x1400 [ 32.417709][ T46] add_grec+0xf20/0x1400 [ 32.417824][ T46] ? __kasan_check_write+0x18/0x20 [ 32.417908][ T46] ? mutex_lock+0x97/0x1d0 [ 32.417992][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.418068][ T46] mld_ifc_work+0x71d/0xc40 [ 32.418138][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.418223][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.418308][ T46] worker_thread+0xc99/0x13f0 [ 32.418381][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.418451][ T46] ? __kasan_check_read+0x15/0x20 [ 32.418515][ T46] kthread+0x2c7/0x360 [ 32.418587][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.418732][ T46] ? __cfi_kthread+0x10/0x10 [ 32.418826][ T46] ret_from_fork+0x67/0xa0 [ 32.418912][ T46] ? __cfi_kthread+0x10/0x10 [ 32.418980][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.419044][ T46] [ 32.420046][ T46] FAULT_INJECTION: forcing a failure. [ 32.420046][ T46] name failslab, interval 1, probability 10, space 0, times 4 [ 32.425506][ T9] FAULT_INJECTION: forcing a failure. [ 32.425506][ T9] name failslab, interval 1, probability 10, space 0, times 4 [ 32.437220][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.437323][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.437365][ T46] Workqueue: mld mld_ifc_work [ 32.437446][ T46] Call Trace: [ 32.437466][ T46] [ 32.437488][ T46] __dump_stack+0x21/0x30 [ 32.437573][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.437655][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.437756][ T46] dump_stack+0x19/0x20 [ 32.437830][ T46] should_fail_ex+0x3c2/0x510 [ 32.437895][ T46] should_failslab+0xac/0x100 [ 32.437974][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.438039][ T46] ? __alloc_skb+0x10c/0x360 [ 32.438108][ T46] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.438280][ T46] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.438432][ T46] __alloc_skb+0x10c/0x360 [ 32.438824][ T46] mld_newpack+0x162/0xa10 [ 32.439136][ T46] ? mld_sendpack+0xd10/0xd10 [ 32.439233][ T46] ? add_grec+0x1400/0x1400 [ 32.439298][ T46] ? add_grec+0xfa8/0x1400 [ 32.439363][ T46] add_grec+0xf20/0x1400 [ 32.439428][ T46] ? __kasan_check_write+0x18/0x20 [ 32.439493][ T46] ? mutex_lock+0x97/0x1d0 [ 32.439549][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.439623][ T46] mld_ifc_work+0x71d/0xc40 [ 32.439687][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.439779][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.439871][ T46] worker_thread+0xc99/0x13f0 [ 32.439944][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.440010][ T46] ? __kasan_check_read+0x15/0x20 [ 32.440074][ T46] kthread+0x2c7/0x360 [ 32.440141][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.440206][ T46] ? __cfi_kthread+0x10/0x10 [ 32.440272][ T46] ret_from_fork+0x67/0xa0 [ 32.440358][ T46] ? __cfi_kthread+0x10/0x10 [ 32.440424][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.440487][ T46] [ 32.440644][ T46] FAULT_INJECTION: forcing a failure. [ 32.440644][ T46] name failslab, interval 1, probability 10, space 0, times 3 [ 32.442547][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.442641][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.442682][ T100] Call Trace: [ 32.442696][ T100] [ 32.442719][ T100] __dump_stack+0x21/0x30 [ 32.442814][ T100] dump_stack_lvl+0x140/0x1c0 [ 32.442893][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.442978][ T100] dump_stack+0x19/0x20 [ 32.443053][ T100] should_fail_ex+0x3c2/0x510 [ 32.443108][ T100] should_failslab+0xac/0x100 [ 32.443183][ T100] kmem_cache_alloc_noprof+0x42/0x410 [ 32.443249][ T100] ? security_inode_alloc+0x51/0x230 [ 32.443325][ T100] security_inode_alloc+0x51/0x230 [ 32.443394][ T100] inode_init_always_gfp+0x756/0x9e0 [ 32.443468][ T100] ? __cfi_sock_alloc_inode+0x10/0x10 [ 32.443544][ T100] alloc_inode+0xc5/0x270 [ 32.443635][ T100] ? bpf_lsm_socket_create+0xd/0x20 [ 32.443725][ T100] new_inode_pseudo+0x19/0x40 [ 32.443809][ T100] __sock_create+0x130/0x810 [ 32.443889][ T100] __sys_socket+0xe1/0x1c0 [ 32.443965][ T100] __x64_sys_socket+0x7e/0x90 [ 32.444082][ T100] x64_sys_call+0x2608/0x2ee0 [ 32.444142][ T100] do_syscall_64+0x57/0xf0 [ 32.444206][ T100] ? clear_bhb_loop+0x50/0xa0 [ 32.444283][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.444358][ T100] RIP: 0033:0x7f2965762707 [ 32.444411][ T100] 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 [ 32.444456][ T100] RSP: 002b:00007ffc98717e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 32.444520][ T100] RAX: ffffffffffffffda RBX: 000000000000003d RCX: 00007f2965762707 [ 32.444564][ T100] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 32.444606][ T100] RBP: 00007f29657ee560 R08: 0000000000000000 R09: 0000000000000000 [ 32.444648][ T100] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 32.444682][ T100] R13: 00007ffc98717f90 R14: 0000000000000022 R15: 00007ffc98717f90 [ 32.444735][ T100] [ 32.444779][ T100] socket: no more sockets [ 32.453514][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.453616][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.453659][ T46] Workqueue: mld mld_ifc_work [ 32.453725][ T46] Call Trace: [ 32.453746][ T46] [ 32.453768][ T46] __dump_stack+0x21/0x30 [ 32.453855][ T46] dump_stack_lvl+0x140/0x1c0 [ 32.453939][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.454017][ T46] ? ref_tracker_alloc+0x356/0x5b0 [ 32.454109][ T46] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.454177][ T46] ? dst_alloc+0x163/0x240 [ 32.454241][ T46] dump_stack+0x19/0x20 [ 32.454317][ T46] should_fail_ex+0x3c2/0x510 [ 32.454383][ T46] should_failslab+0xac/0x100 [ 32.454460][ T46] __kmalloc_cache_noprof+0x41/0x470 [ 32.454525][ T46] ? dst_cow_metrics_generic+0x65/0x2a0 [ 32.454591][ T46] ? dst_init+0x329/0x430 [ 32.454649][ T46] dst_cow_metrics_generic+0x65/0x2a0 [ 32.454710][ T46] icmp6_dst_alloc+0x310/0x4f0 [ 32.454797][ T46] mld_sendpack+0x5ac/0xd10 [ 32.454900][ T46] ? add_grec+0x1400/0x1400 [ 32.454987][ T46] ? add_grec+0xfa8/0x1400 [ 32.455060][ T46] ? __asan_memcpy+0x5a/0x80 [ 32.455128][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 32.455214][ T46] mld_ifc_work+0x7cc/0xc40 [ 32.455271][ T46] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.455348][ T46] process_scheduled_works+0x7f7/0x1060 [ 32.455425][ T46] worker_thread+0xc99/0x13f0 [ 32.455476][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 32.455542][ T46] ? __kasan_check_read+0x15/0x20 [ 32.455597][ T46] kthread+0x2c7/0x360 [ 32.455663][ T46] ? __cfi_worker_thread+0x10/0x10 [ 32.455720][ T46] ? __cfi_kthread+0x10/0x10 [ 32.455786][ T46] ret_from_fork+0x67/0xa0 [ 32.455872][ T46] ? __cfi_kthread+0x10/0x10 [ 32.455939][ T46] ret_from_fork_asm+0x1a/0x30 [ 32.455996][ T46] [ 32.465798][ T287] CPU: 1 UID: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 32.465892][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.465925][ T287] Call Trace: [ 32.465944][ T287] [ 32.465965][ T287] __dump_stack+0x21/0x30 [ 32.466063][ T287] dump_stack_lvl+0x140/0x1c0 [ 32.466145][ T287] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.466222][ T287] ? dequeue_entity+0x88a/0x13b0 [ 32.466303][ T287] dump_stack+0x19/0x20 [ 32.466371][ T287] should_fail_ex+0x3c2/0x510 [ 32.466443][ T287] should_failslab+0xac/0x100 [ 32.466516][ T287] kmem_cache_alloc_node_noprof+0x45/0x420 [ 32.466580][ T287] ? dequeue_entities+0x1d2/0x1370 [ 32.466704][ T287] ? __alloc_skb+0x10c/0x360 [ 32.466788][ T287] __alloc_skb+0x10c/0x360 [ 32.466869][ T287] ? tcp_current_mss+0x539/0x8b0 [ 32.466925][ T287] tcp_stream_alloc_skb+0x43/0x370 [ 32.466986][ T287] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 32.467043][ T287] ? avc_has_perm_noaudit+0x289/0x360 [ 32.467129][ T287] ? __kasan_check_write+0x18/0x20 [ 32.467186][ T287] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 32.467263][ T287] ? __kasan_check_write+0x18/0x20 [ 32.467320][ T287] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 32.467383][ T287] ? avc_has_perm+0x155/0x240 [ 32.467457][ T287] ? hrtimer_reprogram+0x336/0x3d0 [ 32.467577][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.467641][ T287] tcp_sendmsg+0x3e/0xd0 [ 32.467695][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 32.467756][ T287] inet_sendmsg+0xb7/0x120 [ 32.467822][ T287] ? __cfi_inet_sendmsg+0x10/0x10 [ 32.467894][ T287] sock_write_iter+0x3bf/0x490 [ 32.467960][ T287] ? __cfi_sock_write_iter+0x10/0x10 [ 32.468061][ T287] ? usleep_range_state+0x150/0x150 [ 32.468148][ T287] vfs_write+0x762/0xfd0 [ 32.468212][ T287] ? __cfi_vfs_write+0x10/0x10 [ 32.468275][ T287] ? _copy_from_user+0x87/0xa0 [ 32.468352][ T287] ? __kasan_check_read+0x15/0x20 [ 32.468420][ T287] ksys_write+0x145/0x260 [ 32.468484][ T287] ? __cfi_ksys_write+0x10/0x10 [ 32.468548][ T287] ? __kasan_check_write+0x18/0x20 [ 32.468602][ T287] ? fpregs_restore_userregs+0x11c/0x260 [ 32.468693][ T287] __x64_sys_write+0x7f/0x90 [ 32.468757][ T287] x64_sys_call+0x271c/0x2ee0 [ 32.468810][ T287] do_syscall_64+0x57/0xf0 [ 32.468875][ T287] ? clear_bhb_loop+0x50/0xa0 [ 32.468958][ T287] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.469031][ T287] RIP: 0033:0x7fe78df59017 [ 32.469085][ T287] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 32.469140][ T287] RSP: 002b:00007fff6d14a680 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 32.469204][ T287] RAX: ffffffffffffffda RBX: 0000555574fcd500 RCX: 00007fe78df59017 [ 32.469255][ T287] RDX: 0000000000000038 RSI: 0000555574fe8ab8 RDI: 0000000000000003 [ 32.469296][ T287] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.469329][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000038 [ 32.469386][ T287] R13: 0000555574fe8ab8 R14: ffffffffffffffe8 R15: 00007fff6d14ac30 [ 32.469461][ T287] [ 46.895137][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 46.895171][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 46.895187][ T9] Workqueue: mld mld_ifc_work [ 46.895214][ T9] Call Trace: [ 46.895223][ T9] [ 46.895233][ T9] __dump_stack+0x21/0x30 [ 46.895267][ T9] dump_stack_lvl+0x140/0x1c0 [ 46.895296][ T9] ? __cfi_dump_stack_lvl+0x10/0x10 [ 46.895329][ T9] dump_stack+0x19/0x20 [ 46.895359][ T9] should_fail_ex+0x3c2/0x510 [ 46.895384][ T9] ? __cfi_ip6_dst_gc+0x10/0x10 [ 46.895410][ T9] should_failslab+0xac/0x100 [ 46.895436][ T9] kmem_cache_alloc_noprof+0x42/0x410 [ 46.895457][ T9] ? kasan_save_alloc_info+0x3a/0x50 [ 46.895489][ T9] ? dst_alloc+0x13c/0x240 [ 46.895532][ T9] ? __cfi_ip6_dst_gc+0x10/0x10 [ 46.895558][ T9] dst_alloc+0x13c/0x240 [ 46.895579][ T9] icmp6_dst_alloc+0xef/0x4f0 [ 46.895612][ T9] mld_sendpack+0x5ac/0xd10 [ 46.895638][ T9] ? add_grec+0x1400/0x1400 [ 46.895660][ T9] ? add_grec+0xfa8/0x1400 [ 46.895694][ T9] ? __asan_memcpy+0x5a/0x80 [ 46.895717][ T9] ? __cfi_mutex_lock+0x10/0x10 [ 46.895746][ T9] ? __schedule+0x149e/0x20b0 [ 46.895776][ T9] mld_ifc_work+0x7cc/0xc40 [ 46.895803][ T9] process_scheduled_works+0x7f7/0x1060 [ 46.895833][ T9] worker_thread+0xc99/0x13f0 [ 46.895863][ T9] kthread+0x2c7/0x360 [ 46.895889][ T9] ? __cfi_worker_thread+0x10/0x10 [ 46.895914][ T9] ? __cfi_kthread+0x10/0x10 [ 46.895942][ T9] ret_from_fork+0x67/0xa0 [ 46.895976][ T9] ? __cfi_kthread+0x10/0x10 [ 46.896008][ T9] ret_from_fork_asm+0x1a/0x30 [ 46.896032][ T9] [ 47.180834][ T13] bridge_slave_1: left allmulticast mode [ 47.196038][ T13] bridge_slave_1: left promiscuous mode [ 47.201799][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.256322][ T13] bridge_slave_0: left allmulticast mode [ 47.262039][ T13] bridge_slave_0: left promiscuous mode [ 47.283955][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.292229][ T13] bridge_slave_1: left allmulticast mode [ 47.298030][ T13] bridge_slave_1: left promiscuous mode [ 47.303694][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.316607][ T13] bridge_slave_0: left allmulticast mode [ 47.322312][ T13] bridge_slave_0: left promiscuous mode [ 47.345990][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.375574][ T13] bridge_slave_1: left allmulticast mode [ 47.386255][ T13] bridge_slave_1: left promiscuous mode [ 47.391922][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.426633][ T13] bridge_slave_0: left allmulticast mode [ 47.432456][ T13] bridge_slave_0: left promiscuous mode [ 47.446281][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.739027][ T13] veth1_macvtap: left promiscuous mode [ 47.744569][ T13] veth0_vlan: left promiscuous mode [ 47.750134][ T13] veth1_macvtap: left promiscuous mode [ 47.755649][ T13] veth0_vlan: left promiscuous mode [ 47.761515][ T13] veth1_macvtap: left promiscuous mode [ 47.767128][ T13] veth0_vlan: left promiscuous mode [ 47.940368][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.947550][ T317] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.954630][ T317] bridge_slave_0: entered allmulticast mode [ 47.961215][ T317] bridge_slave_0: entered promiscuous mode [ 47.967871][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.974941][ T317] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.985346][ T317] bridge_slave_1: entered allmulticast mode [ 47.991701][ T317] bridge_slave_1: entered promiscuous mode [ 48.090795][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.097944][ T321] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.105067][ T321] bridge_slave_0: entered allmulticast mode [ 48.111532][ T321] bridge_slave_0: entered promiscuous mode [ 48.118309][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.125380][ T321] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.132567][ T321] bridge_slave_1: entered allmulticast mode [ 48.139109][ T321] bridge_slave_1: entered promiscuous mode [ 48.151919][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.159067][ T322] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.166288][ T322] bridge_slave_0: entered allmulticast mode [ 48.172555][ T322] bridge_slave_0: entered promiscuous mode [ 48.187537][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.194632][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.201802][ T323] bridge_slave_0: entered allmulticast mode [ 48.208071][ T323] bridge_slave_0: entered promiscuous mode [ 48.214333][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.221474][ T322] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.228580][ T322] bridge_slave_1: entered allmulticast mode [ 48.234896][ T322] bridge_slave_1: entered promiscuous mode [ 48.252065][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.259285][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.266420][ T323] bridge_slave_1: entered allmulticast mode [ 48.272674][ T323] bridge_slave_1: entered promiscuous mode [ 48.442292][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.449380][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.467795][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.474877][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.500378][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.507473][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.516514][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.523605][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.533639][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.540696][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.558089][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.565343][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.595461][ T317] veth0_vlan: entered promiscuous mode [ 48.615725][ T13] bridge_slave_1: left allmulticast mode [ 48.622498][ T13] bridge_slave_1: left promiscuous mode [ 48.628263][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.635783][ T13] bridge_slave_0: left allmulticast mode [ 48.641663][ T13] bridge_slave_0: left promiscuous mode [ 48.647466][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.729459][ T310] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.736585][ T310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.745336][ T321] veth0_vlan: entered promiscuous mode [ 48.758082][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.765137][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.774189][ T317] veth1_macvtap: entered promiscuous mode [ 48.781584][ T322] veth0_vlan: entered promiscuous mode [ 48.789980][ T13] veth1_macvtap: left promiscuous mode [ 48.795498][ T13] veth0_vlan: left promiscuous mode [ 48.853833][ T322] veth1_macvtap: entered promiscuous mode [ 48.873076][ T321] veth1_macvtap: entered promiscuous mode [ 48.930686][ T323] veth0_vlan: entered promiscuous mode [ 48.961820][ T36] kauditd_printk_skb: 25 callbacks suppressed [ 48.961843][ T36] audit: type=1400 audit(1785162626.920:99): avc: denied { mount } for pid=338 comm="syz.1.2" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 48.997286][ T343] zram0: detected capacity change from 0 to 20480 [ 49.005494][ T323] veth1_macvtap: entered promiscuous mode [ 49.013235][ T340] zram: Can't change algorithm for initialized device [ 49.027331][ T340] ================================================================== [ 49.035917][ T340] BUG: KASAN: vmalloc-out-of-bounds in ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 49.045970][ T340] Read of size 4 at addr ffffc900003330f9 by task syz.1.2/340 [ 49.048729][ T36] audit: type=1400 audit(1785162626.940:100): avc: denied { mount } for pid=342 comm="syz.2.6" name="/" dev="devtmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 49.053470][ T340] [ 49.053485][ T340] CPU: 1 UID: 0 PID: 340 Comm: syz.1.2 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.053624][ T340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.053673][ T340] Call Trace: [ 49.053712][ T340] [ 49.053738][ T340] __dump_stack+0x21/0x30 [ 49.053849][ T340] dump_stack_lvl+0x140/0x1c0 [ 49.053968][ T340] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.054066][ T340] ? __cfi__printk+0x10/0x10 [ 49.054160][ T340] print_address_description+0x71/0x210 [ 49.054263][ T340] print_report+0x4a/0x70 [ 49.054357][ T340] kasan_report+0x162/0x1a0 [ 49.054457][ T340] ? ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 49.054574][ T340] ? prep_compound_page+0x44b/0x590 [ 49.054667][ T340] ? ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 49.054772][ T340] __asan_report_load_n_noabort+0x13/0x20 [ 49.054849][ T340] ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 49.054963][ T340] ? __kasan_check_write+0x18/0x20 [ 49.055072][ T340] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 49.055193][ T340] ? ZSTD_opt_getNextMatchAndUpdateSeqStore+0xa00/0xa00 [ 49.055290][ T340] ZSTD_compressBlock_opt0+0x65e/0x5220 [ 49.055376][ T340] ? vfs_write+0x762/0xfd0 [ 49.055455][ T340] ? lruvec_init+0x271/0x280 [ 49.055537][ T340] ? __alloc_pages_noprof+0x35a/0x7e0 [ 49.055661][ T340] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 49.055786][ T340] ? ZSTD_compressBlock_btopt+0x60/0x60 [ 49.055877][ T340] ? __kmalloc_node_noprof+0x34d/0x500 [ 49.055956][ T340] ? __kvmalloc_node_noprof+0x128/0x300 [ 49.056057][ T340] ? __kasan_check_write+0x18/0x20 [ 49.056134][ T340] ZSTD_compressBlock_btopt_dictMatchState+0x3f/0x50 [ 49.056230][ T340] ZSTD_buildSeqStore+0x960/0xcf0 [ 49.056349][ T340] ? ZSTD_reduceTable+0xb30/0xb30 [ 49.056466][ T340] ? ZSTD_reset_matchState+0x2685/0x3410 [ 49.056589][ T340] ? __asan_memcpy+0x5a/0x80 [ 49.056660][ T340] ? ZSTD_reset_matchState+0x26a7/0x3410 [ 49.056761][ T340] ZSTD_compressBlock_internal+0x3c/0x520 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 49.056875][ T340] ZSTD_compressContinue_internal+0x103d/0x3e20 [ 49.056978][ T340] ? __asan_memcpy+0x5a/0x80 [ 49.057064][ T340] ? ZSTD_compressContinue+0x70/0x70 [ 49.057156][ T340] ZSTD_compressEnd+0x45/0x890 [ 49.057243][ T340] ZSTD_compress_usingCDict+0x71/0xa0 [ 49.057334][ T340] zstd_compress_using_cdict+0x42/0x60 [ 49.057426][ T340] zstd_compress+0x1ab/0x240 [ 49.057529][ T340] ? __cfi_zstd_compress+0x10/0x10 [ 49.057631][ T340] zcomp_compress+0x156/0x210 [ 49.057708][ T340] ? __cfi_update_io_ticks+0x10/0x10 [ 49.057811][ T340] ? __cfi_zcomp_compress+0x10/0x10 [ 49.057902][ T340] ? bio_start_io_acct+0x127/0x180 [ 49.057982][ T340] zram_submit_bio+0x65c/0x1e50 [ 49.058061][ T340] ? __block_write_full_folio+0x8d3/0xe80 [ 49.058162][ T340] ? bdev_release+0x199/0x700 [ 49.058256][ T340] ? __cfi_zram_submit_bio+0x10/0x10 [ 49.058341][ T340] __submit_bio+0x51c/0x9b0 [ 49.058425][ T340] ? blk_free_queue_rcu+0x60/0x60 [ 49.058548][ T340] submit_bio_noacct_nocheck+0x5b5/0xab0 [ 49.058639][ T340] ? __cfi_submit_bio_noacct_nocheck+0x10/0x10 [ 49.058721][ T340] ? __kasan_check_read+0x15/0x20 [ 49.058799][ T340] ? bh_get_inode_and_lblk_num+0x274/0x360 [ 49.058892][ T340] submit_bio_noacct+0xc0e/0x1620 [ 49.058980][ T340] submit_bio+0x424/0x5b0 [ 49.059065][ T340] submit_bh_wbc+0x501/0x570 [ 49.059172][ T340] __block_write_full_folio+0x8d3/0xe80 [ 49.059288][ T340] ? __cfi_blkdev_get_block+0x10/0x10 [ 49.059391][ T340] block_write_full_folio+0x300/0x370 [ 49.059491][ T340] ? __cfi_blkdev_get_block+0x10/0x10 [ 49.059593][ T340] ? __cfi_block_write_full_folio+0x10/0x10 [ 49.059685][ T340] write_cache_pages+0x79/0x110 [ 49.059786][ T340] ? __cfi_blkdev_get_block+0x10/0x10 [ 49.059889][ T340] blkdev_writepages+0xc5/0x130 [ 49.059979][ T340] ? __kasan_check_write+0x18/0x20 [ 49.060057][ T340] ? __cfi_blkdev_writepages+0x10/0x10 [ 49.060152][ T340] ? __cfi_blkdev_writepages+0x10/0x10 [ 49.060245][ T340] do_writepages+0x3d7/0x7f0 [ 49.060350][ T340] ? preempt_schedule_thunk+0x1a/0x40 [ 49.060432][ T340] ? __cfi_do_writepages+0x10/0x10 [ 49.060544][ T340] ? __kasan_check_write+0x18/0x20 [ 49.060654][ T340] ? I_BDEV+0x11/0x30 [ 49.060733][ T340] ? _raw_spin_unlock+0x45/0x60 [ 49.060813][ T340] ? I_BDEV+0x11/0x30 [ 49.060886][ T340] filemap_fdatawrite_wbc+0x12c/0x190 [ 49.060966][ T340] filemap_write_and_wait_range+0x191/0x2a0 [ 49.061055][ T340] ? __cfi_filemap_write_and_wait_range+0x10/0x10 [ 49.061137][ T340] ? _raw_spin_lock+0x92/0x120 [ 49.061238][ T340] ? __asan_memset+0x39/0x50 [ 49.061309][ T340] bdev_release+0x199/0x700 [ 49.061418][ T340] ? __cfi_blkdev_release+0x10/0x10 [ 49.061512][ T340] blkdev_release+0x19/0x30 [ 49.061613][ T340] __fput+0x20b/0xa30 [ 49.061717][ T340] __fput_sync+0x4a/0x70 [ 49.061812][ T340] __se_sys_close+0x172/0x1f0 [ 49.061933][ T340] __x64_sys_close+0x3c/0x60 [ 49.062059][ T340] x64_sys_call+0x2560/0x2ee0 [ 49.062128][ T340] do_syscall_64+0x57/0xf0 [ 49.062200][ T340] ? clear_bhb_loop+0x50/0xa0 [ 49.062295][ T340] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.062387][ T340] RIP: 0033:0x7f409959de99 [ 49.062458][ T340] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 49.062519][ T340] RSP: 002b:00007f409a4ba028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 49.062609][ T340] RAX: ffffffffffffffda RBX: 00007f4099825fa0 RCX: 00007f409959de99 [ 49.062669][ T340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 49.062716][ T340] RBP: 00007f4099633eaf R08: 0000000000000000 R09: 0000000000000000 [ 49.062771][ T340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.062818][ T340] R13: 00007f4099826038 R14: 00007f4099825fa0 R15: 00007fffc05be1e8 [ 49.062879][ T340] [ 49.062911][ T340] [ 49.095160][ T36] audit: type=1400 audit(1785162626.960:101): avc: denied { mount } for pid=341 comm="syz.4.7" name="/" dev="configfs" ino=1378 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 49.098954][ T340] The buggy address belongs to a vmalloc virtual mapping [ 49.098977][ T340] Memory state around the buggy address: [ 49.098995][ T340] ffffc90000332f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 49.102296][ T36] audit: type=1400 audit(1785162626.960:102): avc: denied { search } for pid=341 comm="syz.4.7" name="/" dev="configfs" ino=1378 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 49.105265][ T340] ffffc90000333000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 49.109658][ T36] audit: type=1400 audit(1785162626.960:103): avc: denied { write } for pid=341 comm="syz.4.7" name="usb_gadget" dev="configfs" ino=1379 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 49.114289][ T340] >ffffc90000333080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 49.119550][ T36] audit: type=1400 audit(1785162626.960:104): avc: denied { add_name } for pid=341 comm="syz.4.7" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 49.124100][ T340] ^ [ 49.130620][ T36] audit: type=1400 audit(1785162626.960:105): avc: denied { create } for pid=341 comm="syz.4.7" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 49.134862][ T340] ffffc90000333100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 49.140371][ T36] audit: type=1400 audit(1785162626.970:106): avc: denied { write } for pid=341 comm="syz.4.7" name="idVendor" dev="configfs" ino=3824 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 49.146391][ T340] ffffc90000333180: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 49.146409][ T340] ================================================================== [ 49.151625][ T36] audit: type=1400 audit(1785162626.970:107): avc: denied { open } for pid=341 comm="syz.4.7" path="/0/config/usb_gadget/g1/idVendor" dev="configfs" ino=3824 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 49.159565][ T340] Disabling lock debugging due to kernel taint [ 49.164404][ T36] audit: type=1400 audit(1785162627.050:108): avc: denied { unmount } for pid=322 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 49.171508][ T340] BUG: unable to handle page fault for address: ffffc900003330f9 [ 49.171527][ T340] #PF: supervisor read access in kernel mode [ 49.171542][ T340] #PF: error_code(0x0000) - not-present page [ 49.171556][ T340] PGD 100000067 P4D 100000067 PUD 101657067 PMD 104247067 PTE 0 [ 49.928888][ T340] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI [ 49.934968][ T340] CPU: 1 UID: 0 PID: 340 Comm: syz.1.2 Tainted: G B syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.947633][ T340] Tainted: [B]=BAD_PAGE [ 49.951775][ T340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.961841][ T340] RIP: 0010:ZSTD_btGetAllMatches_dictMatchState_4+0xb5d/0x4550 [ 49.969412][ T340] Code: e8 03 0f b6 04 08 84 c0 0f 85 e7 0d 00 00 48 89 5c 24 30 49 8d 7f 03 48 89 f8 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 ff 0d 00 00 <45> 8b 37 44 89 ef 44 89 f6 e8 25 24 ac fe 45 39 f5 0f 85 3e 02 00 [ 49.989034][ T340] RSP: 0018:ffffc9000b6ee420 EFLAGS: 00010286 [ 49.995107][ T340] RAX: 0000000000000000 RBX: 00000000000000fb RCX: ffffffff82db5d63 [ 50.003086][ T340] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900003330fc [ 50.011058][ T340] RBP: ffffc9000b6ee660 R08: ffffffff88bb3947 R09: 1ffffffff1176728 [ 50.019038][ T340] R10: dffffc0000000000 R11: fffffbfff1176729 R12: 0000000000000101 [ 50.027029][ T340] R13: 0000000044332211 R14: 0000000000000007 R15: ffffc900003330f9 [ 50.035000][ T340] FS: 00007f409a4ba6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 50.043932][ T340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.050527][ T340] CR2: ffffc900003330f9 CR3: 00000001184f4000 CR4: 00000000003526b0 [ 50.058524][ T340] Call Trace: [ 50.061801][ T340] [ 50.064731][ T340] ? __kasan_check_write+0x18/0x20 [ 50.069862][ T340] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 50.077082][ T340] ? ZSTD_opt_getNextMatchAndUpdateSeqStore+0xa00/0xa00 [ 50.084055][ T340] ZSTD_compressBlock_opt0+0x65e/0x5220 [ 50.089630][ T340] ? vfs_write+0x762/0xfd0 [ 50.094069][ T340] ? lruvec_init+0x271/0x280 [ 50.098668][ T340] ? __alloc_pages_noprof+0x35a/0x7e0 [ 50.104051][ T340] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 50.111261][ T340] ? ZSTD_compressBlock_btopt+0x60/0x60 [ 50.117229][ T340] ? __kmalloc_node_noprof+0x34d/0x500 [ 50.122873][ T340] ? __kvmalloc_node_noprof+0x128/0x300 [ 50.128440][ T340] ? __kasan_check_write+0x18/0x20 [ 50.133558][ T340] ZSTD_compressBlock_btopt_dictMatchState+0x3f/0x50 [ 50.140241][ T340] ZSTD_buildSeqStore+0x960/0xcf0 [ 50.145284][ T340] ? ZSTD_reduceTable+0xb30/0xb30 [ 50.150333][ T340] ? ZSTD_reset_matchState+0x2685/0x3410 [ 50.155971][ T340] ? __asan_memcpy+0x5a/0x80 [ 50.160574][ T340] ? ZSTD_reset_matchState+0x26a7/0x3410 [ 50.166226][ T340] ZSTD_compressBlock_internal+0x3c/0x520 [ 50.171976][ T340] ZSTD_compressContinue_internal+0x103d/0x3e20 [ 50.178237][ T340] ? __asan_memcpy+0x5a/0x80 [ 50.182841][ T340] ? ZSTD_compressContinue+0x70/0x70 [ 50.188138][ T340] ZSTD_compressEnd+0x45/0x890 [ 50.192913][ T340] ZSTD_compress_usingCDict+0x71/0xa0 [ 50.198302][ T340] zstd_compress_using_cdict+0x42/0x60 [ 50.203776][ T340] zstd_compress+0x1ab/0x240 [ 50.208378][ T340] ? __cfi_zstd_compress+0x10/0x10 [ 50.213521][ T340] zcomp_compress+0x156/0x210 [ 50.218206][ T340] ? __cfi_update_io_ticks+0x10/0x10 [ 50.223492][ T340] ? __cfi_zcomp_compress+0x10/0x10 [ 50.228704][ T340] ? bio_start_io_acct+0x127/0x180 [ 50.233835][ T340] zram_submit_bio+0x65c/0x1e50 [ 50.238878][ T340] ? __block_write_full_folio+0x8d3/0xe80 [ 50.244631][ T340] ? bdev_release+0x199/0x700 [ 50.249326][ T340] ? __cfi_zram_submit_bio+0x10/0x10 [ 50.254637][ T340] __submit_bio+0x51c/0x9b0 [ 50.259149][ T340] ? blk_free_queue_rcu+0x60/0x60 [ 50.264184][ T340] submit_bio_noacct_nocheck+0x5b5/0xab0 [ 50.269822][ T340] ? __cfi_submit_bio_noacct_nocheck+0x10/0x10 [ 50.275995][ T340] ? __kasan_check_read+0x15/0x20 [ 50.281033][ T340] ? bh_get_inode_and_lblk_num+0x274/0x360 [ 50.286855][ T340] submit_bio_noacct+0xc0e/0x1620 [ 50.291897][ T340] submit_bio+0x424/0x5b0 [ 50.296240][ T340] submit_bh_wbc+0x501/0x570 [ 50.300842][ T340] __block_write_full_folio+0x8d3/0xe80 [ 50.306395][ T340] ? __cfi_blkdev_get_block+0x10/0x10 [ 50.311838][ T340] block_write_full_folio+0x300/0x370 [ 50.317248][ T340] ? __cfi_blkdev_get_block+0x10/0x10 [ 50.322675][ T340] ? __cfi_block_write_full_folio+0x10/0x10 [ 50.328600][ T340] write_cache_pages+0x79/0x110 [ 50.333468][ T340] ? __cfi_blkdev_get_block+0x10/0x10 [ 50.338850][ T340] blkdev_writepages+0xc5/0x130 [ 50.343711][ T340] ? __kasan_check_write+0x18/0x20 [ 50.348831][ T340] ? __cfi_blkdev_writepages+0x10/0x10 [ 50.354389][ T340] ? __cfi_blkdev_writepages+0x10/0x10 [ 50.359857][ T340] do_writepages+0x3d7/0x7f0 [ 50.364461][ T340] ? preempt_schedule_thunk+0x1a/0x40 [ 50.369836][ T340] ? __cfi_do_writepages+0x10/0x10 [ 50.375047][ T340] ? __kasan_check_write+0x18/0x20 [ 50.380183][ T340] ? I_BDEV+0x11/0x30 [ 50.384185][ T340] ? _raw_spin_unlock+0x45/0x60 [ 50.389050][ T340] ? I_BDEV+0x11/0x30 [ 50.393044][ T340] filemap_fdatawrite_wbc+0x12c/0x190 [ 50.398432][ T340] filemap_write_and_wait_range+0x191/0x2a0 [ 50.404460][ T340] ? __cfi_filemap_write_and_wait_range+0x10/0x10 [ 50.410890][ T340] ? _raw_spin_lock+0x92/0x120 [ 50.415679][ T340] ? __asan_memset+0x39/0x50 [ 50.420307][ T340] bdev_release+0x199/0x700 [ 50.424837][ T340] ? __cfi_blkdev_release+0x10/0x10 [ 50.430046][ T340] blkdev_release+0x19/0x30 [ 50.434560][ T340] __fput+0x20b/0xa30 [ 50.438573][ T340] __fput_sync+0x4a/0x70 [ 50.442826][ T340] __se_sys_close+0x172/0x1f0 [ 50.447518][ T340] __x64_sys_close+0x3c/0x60 [ 50.452120][ T340] x64_sys_call+0x2560/0x2ee0 [ 50.456799][ T340] do_syscall_64+0x57/0xf0 [ 50.461277][ T340] ? clear_bhb_loop+0x50/0xa0 [ 50.466105][ T340] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 50.472017][ T340] RIP: 0033:0x7f409959de99 [ 50.476439][ T340] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 50.496044][ T340] RSP: 002b:00007f409a4ba028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 50.504551][ T340] RAX: ffffffffffffffda RBX: 00007f4099825fa0 RCX: 00007f409959de99 [ 50.512552][ T340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 50.520533][ T340] RBP: 00007f4099633eaf R08: 0000000000000000 R09: 0000000000000000 [ 50.529119][ T340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.537099][ T340] R13: 00007f4099826038 R14: 00007f4099825fa0 R15: 00007fffc05be1e8 [ 50.545089][ T340] [ 50.548112][ T340] Modules linked in: [ 50.552018][ T340] CR2: ffffc900003330f9 [ 50.556175][ T340] ---[ end trace 0000000000000000 ]--- [ 50.561630][ T340] RIP: 0010:ZSTD_btGetAllMatches_dictMatchState_4+0xb5d/0x4550 [ 50.569194][ T340] Code: e8 03 0f b6 04 08 84 c0 0f 85 e7 0d 00 00 48 89 5c 24 30 49 8d 7f 03 48 89 f8 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 ff 0d 00 00 <45> 8b 37 44 89 ef 44 89 f6 e8 25 24 ac fe 45 39 f5 0f 85 3e 02 00 [ 50.588815][ T340] RSP: 0018:ffffc9000b6ee420 EFLAGS: 00010286 [ 50.594885][ T340] RAX: 0000000000000000 RBX: 00000000000000fb RCX: ffffffff82db5d63 [ 50.602855][ T340] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900003330fc [ 50.610826][ T340] RBP: ffffc9000b6ee660 R08: ffffffff88bb3947 R09: 1ffffffff1176728 [ 50.618800][ T340] R10: dffffc0000000000 R11: fffffbfff1176729 R12: 0000000000000101 [ 50.626772][ T340] R13: 0000000044332211 R14: 0000000000000007 R15: ffffc900003330f9 [ 50.635015][ T340] FS: 00007f409a4ba6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 50.643947][ T340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.650532][ T340] CR2: ffffc900003330f9 CR3: 00000001184f4000 CR4: 00000000003526b0 [ 50.658524][ T340] Kernel panic - not syncing: Fatal exception [ 50.666835][ T340] Kernel Offset: disabled [ 50.671209][ T340] Rebooting in 86400 seconds..