last executing test programs: 5.674342981s ago: executing program 1 (id=2): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, &(0x7f0000000080)="440f20c0350b000000440f22c0360f09c4217d700c9d0000000028b8010000000f01c166b82e000f00d80f20d835080000000f22d82e0f019885000000b9b1060000b86f8d0000ba0000000066b8b5008ec036363ef3420f51a600000000b9e30b0000b8f233278fba000000000f30", 0x6f}], 0x1, 0x11, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_SREGS(0xffffffffffffffff, 0x4138ae84, &(0x7f0000000100)={{0x0, 0x8080000, 0x0, 0x0, 0x8, 0x0, 0x0, 0x2, 0x0, 0x7, 0x9, 0x10}, {0xffff1000, 0xb000, 0xc, 0x0, 0xfc, 0x1, 0x0, 0x0, 0x3, 0x3}, {0x2000, 0x5000, 0x1f, 0xff, 0x7, 0x4, 0x4, 0xfd, 0x3, 0x0, 0x0, 0xfc}, {0x10000, 0xd000, 0xd, 0xfd, 0x0, 0xfe, 0xff, 0x0, 0x8, 0xfc, 0x6, 0x10}, {0xffff1000, 0x7000, 0x10, 0x0, 0x4, 0x8, 0x0, 0x3, 0xfc, 0x3c}, {0x0, 0x0, 0xf, 0xfd, 0x8, 0x0, 0x2, 0x0, 0x0, 0x0, 0x2}, {0x0, 0x0, 0xa, 0xfe, 0x0, 0x0, 0x13}, {0x0, 0xd000, 0x0, 0x0, 0x0, 0x0, 0x0, 0xca, 0x4, 0x0, 0x0, 0x3}, {0x80a0000}, {0xdddd1000}, 0xddf8fffb, 0x0, 0x10000, 0x50, 0x0, 0xf801, 0x0, [0x80000000, 0x0, 0x1]}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000003c0)={[0x60000000000, 0x1, 0xc, 0x63, 0x200002000001, 0x1000, 0x6, 0x5, 0x0, 0x36ae, 0x5, 0x6, 0x3, 0x400000000, 0x6, 0xf73c], 0x8080000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 5.537908304s ago: executing program 3 (id=4): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_SREGS(r3, 0x4138ae84, &(0x7f00000001c0)={{0xeeee8000, 0x4, 0xe, 0xf1, 0x5, 0xfd, 0xd4, 0xd4, 0x0, 0xd7, 0x7, 0x4f}, {0x5000, 0x2, 0xd, 0x9, 0x8, 0x3, 0x6, 0xb, 0x5, 0xf, 0x3, 0xc0}, {0x8080000, 0xdddd1000, 0xb, 0x1, 0x2, 0x0, 0x4, 0x1, 0xe, 0x0, 0xc4, 0x5}, {0x8000000, 0x2000, 0x8, 0xf8, 0x3, 0x46, 0x2, 0xd, 0x6, 0x3, 0x8, 0x1}, {0x100000, 0x4000, 0x9, 0x1, 0x3, 0x9, 0xd, 0x6, 0x5, 0x4, 0x2e, 0x4b}, {0x100000, 0x8000000, 0xb, 0x0, 0x3, 0x1, 0x1, 0xff, 0x4, 0x90, 0x1, 0xfc}, {0x6000, 0x4000, 0xf, 0xff, 0x3, 0x1, 0x0, 0xb, 0x5, 0x7, 0x9, 0xf8}, {0x4, 0x8000000, 0xf, 0x5, 0x28, 0x3, 0xa, 0x9, 0x54, 0x1, 0xff, 0x7}, {0xeeef0000, 0x9}, {0x1000, 0x9}, 0x40010000, 0x0, 0xffff1000, 0x300, 0x5, 0x2000, 0xe6e70c00, [0x3, 0x401, 0x7, 0xc5]}) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4400ae8f, &(0x7f0000000140)=@x86={0x40, 0x1, 0xc, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x80, 0x9, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xff, 0xff}) ioctl$KVM_SIGNAL_MSI(r1, 0x4020aea5, &(0x7f0000000000)={0x8000000, 0xffff1000, 0x1, 0x1, 0x999}) 5.359103529s ago: executing program 3 (id=5): mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}}) read$FUSE(r0, &(0x7f00000021c0)={0x2020, 0x0, 0x0}, 0x2020) pread64(r0, &(0x7f0000004200)=""/236, 0xec, 0x0) write$FUSE_INIT(r0, &(0x7f0000004300)={0x50, 0x0, r1}, 0x50) mkdirat(0xffffffffffffff9c, &(0x7f0000004380)='./file0/file0\x00', 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r0, &(0x7f00000043c0)={0x29, 0x3, 0x0, {0x1, 0x8, 0x0, 'group_id'}}, 0x29) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x1c1) r2 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x80, &(0x7f00000002c0)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x4000}}) read$FUSE(r2, &(0x7f00000021c0)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r2, &(0x7f0000000080)={0x50, 0x0, r3, {0x7, 0x29, 0x9, 0xffffffff90adedc4, 0x0, 0x3, 0x0, 0x4, 0x0, 0x0, 0x10}}, 0x50) openat$dir(0xffffffffffffff9c, &(0x7f0000004280)='./file0\x00', 0x0, 0x18) syz_fuse_handle_req(r2, &(0x7f00000063c0)="000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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0x2000, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0) r5 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00') ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0xc0686611, &(0x7f0000000040)={0x6a, 0x0, 0x100000, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r6 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00') r7 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r7, 0x1, r6, &(0x7f0000000040)={0x6000000d}) ioctl$PPPIOCSPASS(r6, 0x40087447, &(0x7f0000000140)={0x2, &(0x7f0000000000)=[{0xf, 0x3}, {0x10, 0x4, 0x4, 0x1}]}) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) io_setup(0x8, &(0x7f0000000600)=0x0) io_submit(r9, 0x1, &(0x7f0000001300)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x5, 0x4, r8, 0x0}]) 5.182697263s ago: executing program 2 (id=10): r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0xc1842, 0x0) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) close(r3) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x101401, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}) close(0x3) write$cgroup_devices(r1, &(0x7f0000000840)=ANY=[@ANYBLOB="1e0308004d6b71ef288563"], 0xffdd) close(r2) close(0x4) 5.089159645s ago: executing program 0 (id=12): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000008300), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000002080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002100)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) syz_fuse_handle_req(r0, &(0x7f0000006300), 0x2000, &(0x7f00000041c0)={&(0x7f00000001c0)={0x50, 0x0, 0x0, {0x7, 0x29, 0x7, 0x22110039, 0x1000, 0x1000, 0x8, 0x58, 0x0, 0x0, 0x6, 0x4}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setxattr$incfs_metadata(&(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, 0x0, 0x1) syz_fuse_handle_req(r0, &(0x7f0000004300)="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", 0x2000, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)={0x78, 0x0, 0x100000000, {0x20000, 0x5, 0x0, {0x5, 0x0, 0x48b, 0x7, 0x400000000000007, 0xd, 0xfff7ffff, 0x6, 0x4101, 0x4000, 0xffff1854, 0xffffffffffffffff, 0x0, 0x3, 0x1}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 5.052044186s ago: executing program 2 (id=13): r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0xc1842, 0x0) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TUNSETDEBUG(r1, 0x400454c9, &(0x7f00000007c0)=0x2) close(r3) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x101401, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}) close(0x3) write$cgroup_devices(r1, &(0x7f0000000840)=ANY=[@ANYBLOB="1e0308004d6b71ef288563"], 0xffdd) close(r2) close(0x4) 4.998102427s ago: executing program 0 (id=14): socket$inet(0x2, 0x4000000000000001, 0x5) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000040)=0x8002, 0x4) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e24, 0x1, @dev={0xfe, 0x80, '\x00', 0x12}, 0x7}, 0x1c) sendto$inet6(r0, 0x0, 0x0, 0x4004080, &(0x7f0000000300)={0xa, 0x4e23, 0xfffffffc, @mcast2}, 0x1c) 4.917569039s ago: executing program 0 (id=15): prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000003900), 0x34aa945a513d639, 0x0) recvmmsg(r1, &(0x7f0000000040), 0x80002c1, 0x2, 0x0) r3 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000000180)=0x0) timer_settime(r4, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0) futex(&(0x7f000000cffc)=0x1, 0x86, 0x2, 0x0, 0x0, 0xfffffffc) fchown(0xffffffffffffffff, 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 4.802219082s ago: executing program 2 (id=16): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x7, &(0x7f0000000240)={0x1, &(0x7f0000000000)=[{0x6, 0x85, 0x7, 0x7ffc0001}]}) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='smaps\x00') lseek(r0, 0x289e0cb5, 0x0) 4.732472434s ago: executing program 2 (id=17): r0 = socket$netlink(0x10, 0x3, 0x8000000004) capset(&(0x7f0000000040)={0x19980330}, &(0x7f0000000080)={0x6, 0xe, 0x13e, 0x89, 0xffffffff, 0x2}) writev(r0, &(0x7f0000000040)=[{&(0x7f0000000280)="580000001400192340834b80040d8c560a0677bc45ff810500000000000058000b480400945f64009400050028925a01000000000000008000f0fffeffe809000000fff5dd0000001000010000081000418e00000004fcff", 0x58}], 0x1) syz_genetlink_get_family_id$team(&(0x7f0000000200), r0) 4.617725397s ago: executing program 1 (id=18): socket$nl_generic(0x10, 0x3, 0x10) socket$inet(0x2, 0x2, 0x1) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000180)={0x2, {{0x2, 0x0, @multicast2}}}, 0x88) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000940)=ANY=[@ANYBLOB="020000000000000002000000e0000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000002000000e00000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000064010102000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000e000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002"], 0x310) r1 = syz_open_procfs(0x0, &(0x7f0000000180)='net/mcfilter\x00') write$tun(0xffffffffffffffff, 0x0, 0x42) pread64(r1, &(0x7f0000000a00)=""/143, 0x8f, 0x5) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) socket$nl_xfrm(0x10, 0x3, 0x6) socket$nl_netfilter(0x10, 0x3, 0xc) r2 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x20040, 0x0) ioctl$TIOCSISO7816(r2, 0xc0285443, 0x0) mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r3, 0x0, 0x0, 0x20000845, &(0x7f0000b63fe4), 0x1c) getsockopt$inet6_buf(r3, 0x29, 0x3d, 0x0, &(0x7f00000000c0)=0x37) socketpair$unix(0x1, 0x3, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r5, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) recvmsg$unix(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=[@cred={{0x1c}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}], 0xb0}, 0x80) socketpair$unix(0x1, 0x2, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f00000001c0)=@new_dev={0x4, 0x3c9, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x40}}}, &(0x7f0000000300)=0x0) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = dup(r9) syz_ublk_setup_queues(r10, r8, &(0x7f00000004c0)={0x0, 0xbd, 0x10, 0x1, 0x7f}, &(0x7f0000000a80)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0xe708, 0x42, 0x1000002, 0x91, 0x0, r6}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x3b00, 0x2, 0x1, 0x3aa}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x93ea, 0x2000, 0x4003bfff, 0x2b9, 0x0, r7}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x5, 0x800, 0x1, 0x26d}}], 0x1, 0x0, 0x0) 4.345301183s ago: executing program 2 (id=19): r0 = syz_clone(0x48411, 0x0, 0xffffffffffffff18, 0x0, 0x0, 0x0) lsm_get_self_attr(0x67, 0xfffffffffffffffc, &(0x7f0000000080), 0x1) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) syslog(0x2, &(0x7f00000000c0)=""/102, 0x66) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r2, 0x29, 0x41, &(0x7f00000003c0)={'filter\x00', 0x2, [{}, {}]}, 0x48) listen(r1, 0x0) r3 = socket$netlink(0x10, 0x3, 0x8000000004) ioctl$SIOCGETNODEID(r1, 0x89e1, &(0x7f0000000140)) openat$selinux_avc_cache_stats(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="074c8ae40a9573f6b3d625ccc8eff95a76949194f4c861729460d72f43baaf12304d103aff758c355f9afc3224571551f8f1b4907b096345e777eebe51aa8be370bb9de69a6f78eeb51242daef757b66d69c2864e18d70115539e4e077dce1feb757d03c8628261d37f4aa38f21b997015dabe09c4bdaef01615bf106fc2fe0e3c2ba1f8fc174c36e17b9fd6f92b8afacf7001c9a2d40fe788f34332ab52a388c76bbb08fbe79195fac1ab6552d65496399d", @ANYBLOB="0700000000000000000005000000180001801400020073797a5f74756e000000000000000000100003800400010008000380"], 0x3c}, 0x1, 0x0, 0x0, 0x4}, 0x4004045) writev(r3, &(0x7f00000000c0)=[{&(0x7f0000000000)="580000001400192340834b80040d8c560a067fbc45ff810500000000000058000b480400945f6400947e570028925a01000000000000008000f0fffeffe809000000fff5dd000000100001000c081000418e00000004fcff", 0x58}], 0x1) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r5, 0x6, 0x13, &(0x7f0000000180)=0xffffffffffffffff, 0x4) ptrace$setopts(0x4206, r0, 0x0, 0x0) wait4(r0, 0x0, 0x40000000, 0x0) syz_usb_connect(0x5, 0x48, &(0x7f0000000000)={{0x12, 0x1, 0x201, 0xc2, 0x44, 0x8b, 0x8, 0x584, 0x8, 0x102, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x36, 0x2, 0x8, 0x2, 0x0, 0x3, "", [{{0x9, 0x4, 0x2b, 0x11, 0x3, 0x39, 0xee, 0xa0, 0x4, [], [{{0x9, 0x5, 0x91c46c3e7ac7f8e5, 0x16, 0x40, 0x2, 0x4, 0x10}}, {{0x9, 0x5, 0xf, 0x10, 0x10, 0x9, 0x4, 0x4}}, {{0x9, 0x5, 0x4, 0x2, 0x8, 0x3, 0x0, 0x7}}]}}, {{0x9, 0x4, 0x23, 0x7, 0x0, 0x9, 0x37, 0x6c, 0xa}}]}}]}}, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0}) prctl$PR_SET_PTRACER(0x59616d61, r0) 3.512956544s ago: executing program 1 (id=20): socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) socket$inet6(0xa, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa2f01, 0x0) socket$netlink(0x10, 0x3, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), r1) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_NOACK_MAP(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000140)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="080026bd7000fedbdf255700000008000300", @ANYRES32=r4, @ANYBLOB="0c009900ffffffff500000000600950008000000060095000200000006009500050000000600950000000000060095000700000006009500008000000600950008000000060095000700000006009500020000000600950007000000"], 0x78}, 0x1, 0x0, 0x0, 0x4c000}, 0x40080c4) socket$inet6_tcp(0xa, 0x1, 0x0) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000600), 0x7230c0, 0x0) syz_usb_connect$uac1(0x3, 0xdc, &(0x7f00000017c0)=ANY=[@ANYBLOB="12010000000000106b1d01014000010203010902ca0003010070000904000000010100000a24010800000201020d24060000030800000000000000240803960c03112d9cd2ce0c240208000103000000ff000924060506020100000924030003030005490c240206", @ANYRES8=r5, @ANYBLOB='\a'], 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$wireguard(&(0x7f00000001c0), r6) sendmsg$WG_CMD_SET_DEVICE(r6, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000840)={0x70, r7, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_PEERS={0x48, 0x8, 0x0, 0x1, [{0x44, 0x0, 0x0, 0x1, [@WGPEER_A_ENDPOINT4={0x14, 0x4, {0x2, 0x4e22, @loopback}}, @WGPEER_A_FLAGS={0x8, 0x3, 0x2}, @WGPEER_A_PUBLIC_KEY={0x24, 0x1, @b_g}]}]}]}, 0x70}, 0x1, 0x0, 0x0, 0xc004}, 0x4000040) socket$nl_netfilter(0x10, 0x3, 0xc) mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r8, 0x0, 0x0, 0x20000845, &(0x7f0000b63fe4), 0x1c) getsockopt$inet6_buf(r8, 0x29, 0x3d, 0x0, &(0x7f00000000c0)=0x37) 3.374232658s ago: executing program 0 (id=21): 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) 3.330431949s ago: executing program 0 (id=22): 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) 3.27544854s ago: executing program 3 (id=23): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, &(0x7f0000000140)='\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f00000001c0)='0000:00:03.0\n\x00', 0xd) 3.150254873s ago: executing program 0 (id=24): 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) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=@updpolicy={0xb8, 0x13, 0x2, 0x0, 0x25dfdbfe, {{@in6=@private0, @in=@dev={0xac, 0x14, 0x14, 0x12}, 0x0, 0x4, 0x0, 0x0, 0xa, 0x60, 0x20, 0x3b, 0x0, 0xee01}, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, {0xfffffffffffffffe, 0x4, 0x8}, 0x9, 0x0, 0x0, 0x0, 0x2}}, 0xb8}, 0x1, 0x0, 0x0, 0x80}, 0x44844) socket$nl_xfrm(0x10, 0x3, 0x6) 1.472614644s ago: executing program 1 (id=25): 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)='100\x00', 0x3) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='0\x00', 0x1) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r2) openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) 967.842316ms ago: executing program 1 (id=26): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r0) r3 = openat$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$nl_xfrm(0x10, 0x3, 0x6) 964.015646ms ago: executing program 2 (id=27): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r0) r3 = openat$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) 202.526865ms ago: executing program 1 (id=28): 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) 0s ago: executing program 32 (id=28): 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) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. [ 23.951115][ T36] audit: type=1400 audit(1785164113.420:64): avc: denied { mounton } for pid=287 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 23.954671][ T287] cgroup: Unknown subsys name 'net' [ 23.973770][ T36] audit: type=1400 audit(1785164113.420:65): avc: denied { mount } for pid=287 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.001151][ T36] audit: type=1400 audit(1785164113.450:66): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.001594][ T287] cgroup: Unknown subsys name 'devices' [ 24.108822][ T287] cgroup: Unknown subsys name 'hugetlb' [ 24.114441][ T287] cgroup: Unknown subsys name 'rlimit' [ 24.209761][ T36] audit: type=1400 audit(1785164113.680:67): avc: denied { setattr } for pid=287 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.232976][ T36] audit: type=1400 audit(1785164113.680:68): avc: denied { mounton } for pid=287 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 24.257818][ T36] audit: type=1400 audit(1785164113.680:69): avc: denied { mount } for pid=287 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 24.281288][ T289] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 24.290091][ T36] audit: type=1400 audit(1785164113.760:70): avc: denied { relabelto } for pid=289 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.315601][ T36] audit: type=1400 audit(1785164113.760:71): avc: denied { write } for pid=289 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.348654][ T36] audit: type=1400 audit(1785164113.820:72): avc: denied { read } for pid=287 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.374237][ T36] audit: type=1400 audit(1785164113.820:73): avc: denied { open } for pid=287 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.374862][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.124394][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.131573][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.138722][ T294] bridge_slave_0: entered allmulticast mode [ 25.145115][ T294] bridge_slave_0: entered promiscuous mode [ 25.151867][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.160823][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.167961][ T294] bridge_slave_1: entered allmulticast mode [ 25.174266][ T294] bridge_slave_1: entered promiscuous mode [ 25.291226][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.298445][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.305743][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.312811][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.333605][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.340704][ T298] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.348035][ T298] bridge_slave_0: entered allmulticast mode [ 25.354268][ T298] bridge_slave_0: entered promiscuous mode [ 25.361797][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.368869][ T298] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.375945][ T298] bridge_slave_1: entered allmulticast mode [ 25.382346][ T298] bridge_slave_1: entered promiscuous mode [ 25.405046][ T299] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.412165][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.419303][ T299] bridge_slave_0: entered allmulticast mode [ 25.425506][ T299] bridge_slave_0: entered promiscuous mode [ 25.434811][ T299] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.441908][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.449016][ T299] bridge_slave_1: entered allmulticast mode [ 25.455335][ T299] bridge_slave_1: entered promiscuous mode [ 25.514851][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.521972][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.529148][ T300] bridge_slave_0: entered allmulticast mode [ 25.535374][ T300] bridge_slave_0: entered promiscuous mode [ 25.545182][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.552296][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.559476][ T300] bridge_slave_1: entered allmulticast mode [ 25.565773][ T300] bridge_slave_1: entered promiscuous mode [ 25.620327][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.647465][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.654529][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.730998][ T294] veth0_vlan: entered promiscuous mode [ 25.757729][ T294] veth1_macvtap: entered promiscuous mode [ 25.768897][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.775965][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.783576][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.790657][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.813512][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.820577][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.837700][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.844821][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.852541][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.859620][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.874873][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.882035][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.899555][ T294] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 25.930269][ T298] veth0_vlan: entered promiscuous mode [ 25.950074][ T300] veth0_vlan: entered promiscuous mode [ 25.957876][ T312] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 25.987573][ T298] veth1_macvtap: entered promiscuous mode [ 25.996109][ T299] veth0_vlan: entered promiscuous mode [ 26.003230][ T300] veth1_macvtap: entered promiscuous mode [ 26.015943][ T299] veth1_macvtap: entered promiscuous mode [ 26.102215][ T318] netlink: 'syz.0.1': attribute type 27 has an invalid length. [ 26.136139][ T318] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.143480][ T318] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.621167][ T46] syzkaller0: tun_net_xmit 76 [ 26.630093][ T46] syzkaller0: tun_net_xmit 48 [ 26.646846][ T310] syzkaller0: tun_net_xmit 76 [ 26.675912][ T350] syzkaller0: create flow: hash 2369488626 index 2 [ 26.695412][ T350] syzkaller0: delete flow: hash 2369488626 index 2 [ 26.879031][ T360] capability: warning: `syz.2.17' uses 32-bit capabilities (legacy support in use) [ 26.952361][ T362] SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pid=362 comm=syz.2.17 [ 28.076579][ T366] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 28.256619][ T366] usb 3-1: Using ep0 maxpacket: 8 [ 28.270779][ T366] usb 3-1: unable to get BOS descriptor or descriptor too short [ 28.288157][ T366] usb 3-1: config 8 has an invalid interface number: 43 but max is 1 [ 28.309208][ T366] usb 3-1: config 8 has an invalid interface number: 35 but max is 1 [ 28.318512][ T366] usb 3-1: config 8 has no interface number 0 [ 28.325214][ T366] usb 3-1: config 8 has no interface number 1 [ 28.339270][ T366] usb 3-1: config 8 interface 43 altsetting 17 has an endpoint descriptor with address 0xE5, changing to 0x85 [ 28.352060][ T366] usb 3-1: config 8 interface 43 altsetting 17 bulk endpoint 0x85 has invalid maxpacket 64 [ 28.362450][ T366] usb 3-1: config 8 interface 43 altsetting 17 bulk endpoint 0x4 has invalid maxpacket 8 [ 28.374633][ T380] zram0: detected capacity change from 0 to 20480 [ 28.381467][ T366] usb 3-1: config 8 interface 43 has no altsetting 0 [ 28.397223][ T310] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 28.406179][ T53] device offline error, dev sda, sector 274742 op 0x1:(WRITE) flags 0x4000 phys_seg 40 prio class 2 [ 28.408279][ T366] usb 3-1: config 8 interface 35 has no altsetting 0 [ 28.427374][ T53] device offline error, dev sda, sector 275248 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 [ 28.439391][ T53] device offline error, dev sda, sector 275760 op 0x1:(WRITE) flags 0x4000 phys_seg 9 prio class 2 [ 28.454228][ T53] device offline error, dev sda, sector 276272 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 28.466602][ T366] usb 3-1: string descriptor 0 read error: -22 [ 28.472872][ T366] usb 3-1: New USB device found, idVendor=0584, idProduct=0008, bcdDevice= 1.02 [ 28.482649][ T366] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 28.489803][ T385] FAULT_INJECTION: forcing a failure. [ 28.489803][ T385] name failslab, interval 1, probability 10, space 0, times 100 [ 28.491765][ T366] FAULT_INJECTION: forcing a failure. [ 28.491765][ T366] name failslab, interval 1, probability 10, space 0, times 100 [ 28.516514][ T310] FAULT_INJECTION: forcing a failure. [ 28.516514][ T310] name failslab, interval 1, probability 10, space 0, times 100 [ 28.516588][ T385] CPU: 0 UID: 0 PID: 385 Comm: syz.0.24 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 28.516710][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.516767][ T385] Call Trace: [ 28.516786][ T385] [ 28.516808][ T385] __dump_stack+0x21/0x30 [ 28.516907][ T385] dump_stack_lvl+0x140/0x1c0 [ 28.517005][ T385] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.517087][ T385] ? kasan_save_alloc_info+0x3a/0x50 [ 28.517195][ T385] dump_stack+0x19/0x20 [ 28.517269][ T385] should_fail_ex+0x3c2/0x510 [ 28.517341][ T385] should_failslab+0xac/0x100 [ 28.517410][ T385] __kmalloc_node_noprof+0x69/0x500 [ 28.517482][ T385] ? __vmalloc_node_range_noprof+0x529/0x1300 [ 28.517560][ T385] __vmalloc_node_range_noprof+0x529/0x1300 [ 28.517651][ T385] ? number+0xc9d/0xf00 [ 28.517721][ T385] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 28.517810][ T385] ? vsnprintf+0x19ef/0x1ad0 [ 28.517872][ T385] ? kvm_dev_ioctl+0x12a/0x14c0 [ 28.517966][ T385] __vmalloc_noprof+0x104/0x1d0 [ 28.518061][ T385] ? kvm_dev_ioctl+0x12a/0x14c0 [ 28.518169][ T385] ? alloc_fd+0x4c1/0x570 [ 28.518234][ T385] ? __cfi___vmalloc_noprof+0x10/0x10 [ 28.518319][ T385] kvm_dev_ioctl+0x12a/0x14c0 [ 28.518397][ T385] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 28.518487][ T385] ? bpf_lsm_file_ioctl+0xd/0x20 [ 28.518558][ T385] ? security_file_ioctl+0x3e/0x110 [ 28.518647][ T385] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 28.518731][ T385] __se_sys_ioctl+0x132/0x1b0 [ 28.518802][ T385] __x64_sys_ioctl+0x7f/0xa0 [ 28.518874][ T385] x64_sys_call+0x1878/0x2ee0 [ 28.518932][ T385] do_syscall_64+0x57/0xf0 [ 28.519005][ T385] ? clear_bhb_loop+0x50/0xa0 [ 28.519085][ T385] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.519163][ T385] RIP: 0033:0x7eff4a99de99 [ 28.519207][ T385] 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 [ 28.519257][ T385] RSP: 002b:00007eff4b945028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.519324][ T385] RAX: ffffffffffffffda RBX: 00007eff4ac25fa0 RCX: 00007eff4a99de99 [ 28.519373][ T385] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 [ 28.519422][ T385] RBP: 00007eff4aa33eaf R08: 0000000000000000 R09: 0000000000000000 [ 28.519489][ T385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 28.519535][ T385] R13: 00007eff4ac26038 R14: 00007eff4ac25fa0 R15: 00007ffceddde648 [ 28.519602][ T385] [ 28.522000][ T385] syz.0.24: vmalloc error: size 40960, failed to allocated page array size 80, mode:0x400dc2(GFP_KERNEL_ACCOUNT|__GFP_HIGHMEM|__GFP_ZERO), nodemask=(null) [ 28.529385][ T310] CPU: 1 UID: 0 PID: 310 Comm: kworker/1:2 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 28.529433][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.529448][ T310] Workqueue: usb_hub_wq hub_event [ 28.529568][ T310] Call Trace: [ 28.529587][ T310] [ 28.529616][ T310] __dump_stack+0x21/0x30 [ 28.529714][ T310] dump_stack_lvl+0x140/0x1c0 [ 28.529794][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.529877][ T310] ? kasan_save_track+0x4f/0x80 [ 28.529950][ T310] ? kasan_save_alloc_info+0x3a/0x50 [ 28.530032][ T310] ? __kasan_kmalloc+0x96/0xb0 [ 28.530101][ T310] ? __kmalloc_noprof+0x261/0x510 [ 28.530162][ T310] dump_stack+0x19/0x20 [ 28.530242][ T310] should_fail_ex+0x3c2/0x510 [ 28.530305][ T310] ? raw_queue_event+0x94/0x3a0 [ 28.530389][ T310] should_failslab+0xac/0x100 [ 28.530458][ T310] __kmalloc_noprof+0x69/0x510 [ 28.530517][ T310] ? raw_queue_event+0x94/0x3a0 [ 28.530598][ T310] raw_queue_event+0x94/0x3a0 [ 28.530681][ T310] gadget_resume+0x4a/0x90 [ 28.530769][ T310] ? __cfi_gadget_resume+0x10/0x10 [ 28.530856][ T310] set_link_state+0xb7b/0x1240 [ 28.530961][ T310] ? tokenize_frame_descr+0x40/0xc0 [ 28.531037][ T310] dummy_hub_control+0xbe1/0x1480 [ 28.531093][ T310] usb_hcd_submit_urb+0xdfb/0x19d0 [ 28.531172][ T310] usb_submit_urb+0xfa1/0x1610 [ 28.531231][ T310] usb_start_wait_urb+0x127/0x380 [ 28.531291][ T310] ? kasan_save_alloc_info+0x3a/0x50 [ 28.531377][ T310] ? usb_api_blocking_completion+0xd0/0xd0 [ 28.531437][ T310] ? usb_alloc_urb+0x5f/0x1f0 [ 28.531481][ T310] ? __kasan_check_write+0x18/0x20 [ 28.531530][ T310] ? usb_alloc_urb+0x9b/0x1f0 [ 28.531585][ T310] usb_control_msg+0x25c/0x490 [ 28.531642][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 28.531711][ T310] ? schedule_timeout+0x206/0x3b0 [ 28.531769][ T310] hub_ext_port_status+0x10d/0x830 [ 28.531835][ T310] hub_port_reset+0x661/0x1690 [ 28.531913][ T310] hub_port_init+0x9cf/0x2810 [ 28.531997][ T310] ? mutex_unlock+0x90/0x240 [ 28.532072][ T310] hub_event+0x2408/0x4360 [ 28.532158][ T310] ? __cfi_hub_event+0x10/0x10 [ 28.532225][ T310] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 28.532275][ T310] ? _raw_spin_lock_irq+0x93/0x120 [ 28.532352][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.532422][ T310] ? kick_pool+0xb9/0x540 [ 28.532506][ T310] process_scheduled_works+0x7f7/0x1060 [ 28.532558][ T310] worker_thread+0xc99/0x13f0 [ 28.532614][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 28.532675][ T310] ? __kasan_check_read+0x15/0x20 [ 28.532732][ T310] kthread+0x2c7/0x360 [ 28.532790][ T310] ? __cfi_worker_thread+0x10/0x10 [ 28.532848][ T310] ? __cfi_kthread+0x10/0x10 [ 28.532906][ T310] ret_from_fork+0x67/0xa0 [ 28.532982][ T310] ? __cfi_kthread+0x10/0x10 [ 28.533039][ T310] ret_from_fork_asm+0x1a/0x30 [ 28.533109][ T310] [ 28.533142][ T310] raw-gadget.1 gadget.1: failed to queue resume event [ 28.551073][ T385] ,cpuset= [ 28.554907][ T100] FAULT_INJECTION: forcing a failure. [ 28.554907][ T100] name failslab, interval 1, probability 10, space 0, times 96 [ 28.562865][ T384] FAULT_INJECTION: forcing a failure. [ 28.562865][ T384] name failslab, interval 1, probability 10, space 0, times 96 [ 28.566235][ T53] device offline error, dev sda, sector 276784 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 28.572531][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 28.572602][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.572633][ T100] Call Trace: [ 28.572653][ T100] [ 28.572673][ T100] __dump_stack+0x21/0x30 [ 28.572761][ T100] dump_stack_lvl+0x140/0x1c0 [ 28.572872][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.572946][ T100] ? should_fail_ex+0x201/0x510 [ 28.573009][ T100] dump_stack+0x19/0x20 [ 28.573078][ T100] should_fail_ex+0x3c2/0x510 [ 28.573158][ T100] should_failslab+0xac/0x100 [ 28.573238][ T100] kmem_cache_alloc_node_noprof+0x45/0x420 [ 28.573300][ T100] ? avc_has_perm_noaudit+0x26b/0x360 [ 28.573364][ T100] ? __alloc_skb+0x10c/0x360 [ 28.573458][ T100] ? __asan_memcpy+0x5a/0x80 [ 28.573517][ T100] __alloc_skb+0x10c/0x360 [ 28.573595][ T100] alloc_skb_with_frags+0xd0/0x8b0 [ 28.573667][ T100] ? __cfi_avc_has_perm+0x10/0x10 [ 28.573728][ T100] ? __kasan_check_write+0x18/0x20 [ 28.573786][ T100] sock_alloc_send_pskb+0x883/0x9a0 [ 28.573847][ T100] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 28.573906][ T100] ? __kasan_check_write+0x18/0x20 [ 28.573953][ T100] ? _raw_spin_lock+0x92/0x120 [ 28.574012][ T100] ? __cfi__raw_spin_lock+0x10/0x10 [ 28.574071][ T100] unix_dgram_sendmsg+0x63a/0x1a90 [ 28.574166][ T100] ? selinux_socket_sendmsg+0x281/0x380 [ 28.574264][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 28.574349][ T100] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 28.574411][ T100] ? security_socket_sendmsg+0x3d/0x100 [ 28.574490][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 28.574562][ T100] __sys_sendto+0x68a/0x700 [ 28.574642][ T100] ? __cfi___sys_sendto+0x10/0x10 [ 28.574730][ T100] ? sched_clock_cpu+0x75/0x400 [ 28.574812][ T100] __x64_sys_sendto+0xe9/0x100 [ 28.574900][ T100] x64_sys_call+0x2c2c/0x2ee0 [ 28.574952][ T100] do_syscall_64+0x57/0xf0 [ 28.575002][ T100] ? clear_bhb_loop+0x50/0xa0 [ 28.575066][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.575137][ T100] RIP: 0033:0x7ff128609407 [ 28.575178][ 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 [ 28.575237][ T100] RSP: 002b:00007ffe2b203500 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 28.575284][ T100] RAX: ffffffffffffffda RBX: 00007ff1284b9c80 RCX: 00007ff128609407 [ 28.575327][ T100] RDX: 0000000000000055 RSI: 00007ffe2b203640 RDI: 0000000000000003 [ 28.575366][ T100] RBP: 00007ffe2b203a70 R08: 0000000000000000 R09: 0000000000000000 [ 28.575399][ T100] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe2b203a88 [ 28.575446][ T100] R13: 00007ffe2b203640 R14: 000000000000003a R15: 00007ffe2b203640 [ 28.575509][ T100] [ 28.576277][ T100] FAULT_INJECTION: forcing a failure. [ 28.576277][ T100] name failslab, interval 1, probability 10, space 0, times 94 [ 28.576589][ T31] FAULT_INJECTION: forcing a failure. [ 28.576589][ T31] name failslab, interval 1, probability 10, space 0, times 94 [ 28.581903][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 28.581965][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.582000][ T100] Call Trace: [ 28.582011][ T100] [ 28.582030][ T100] __dump_stack+0x21/0x30 [ 28.582107][ T100] dump_stack_lvl+0x140/0x1c0 [ 28.582190][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.582333][ T100] ? __cfi_check_preempt_wakeup_fair+0x10/0x10 [ 28.582428][ T100] ? ttwu_do_activate+0x620/0x620 [ 28.582491][ T100] dump_stack+0x19/0x20 [ 28.582570][ T100] should_fail_ex+0x3c2/0x510 [ 28.582633][ T100] should_failslab+0xac/0x100 [ 28.582709][ T100] kmem_cache_alloc_node_noprof+0x45/0x420 [ 28.582769][ T100] ? avc_has_perm_noaudit+0x26b/0x360 [ 28.582832][ T100] ? __alloc_skb+0x10c/0x360 [ 28.582908][ T100] __alloc_skb+0x10c/0x360 [ 28.582985][ T100] alloc_skb_with_frags+0xd0/0x8b0 [ 28.583058][ T100] ? autoremove_wake_function+0x3b/0x110 [ 28.583126][ T100] sock_alloc_send_pskb+0x883/0x9a0 [ 28.583187][ T100] ? __cfi_sock_alloc_send_pskb+0x10/0x10 ** 11 printk messages dropped ** [ 28.584045][ T100] ? selinux_socket_connect+0x27/0x40 ** 28 printk messages dropped ** [ 28.601951][ T31] ? _raw_spin_unlock_irqrestore+0x4a/0x70 ** 47 printk messages dropped ** [ 28.617982][ T384] ? __cfi_mprotect_fixup+0x10/0x10 ** 2 printk messages dropped ** [ 28.618178][ T384] ? __cfi_do_mmap+0x10/0x10 ** 1 printk messages dropped ** [ 28.618317][ T384] ? prot_none_test+0x30/0x30 ** 1 printk messages dropped ** [ 28.618458][ T384] __x64_sys_mprotect+0x84/0xa0 ** 1 printk messages dropped ** [ 28.618557][ T384] do_syscall_64+0x57/0xf0 ** 32 printk messages dropped ** [ 28.620523][ T100] x64_sys_call+0x2608/0x2ee0 [ 28.620585][ T100] do_syscall_64+0x57/0xf0 ** 1 printk messages dropped ** [ 28.620738][ T100] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 37 printk messages dropped ** [ 28.624344][ T366] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 ** 1 printk messages dropped ** [ 28.624460][ T366] kthread+0x2c7/0x360 [ 28.624518][ T366] ? __cfi_worker_thread+0x10/0x10 ** 59 printk messages dropped ** [ 28.667278][ T384] ** 21 printk messages dropped ** [ 28.680733][ T100] __sys_socket+0xe1/0x1c0 ** 1 printk messages dropped ** [ 28.680896][ T100] x64_sys_call+0x2608/0x2ee0 ** 40 printk messages dropped ** [ 28.692944][ T385] ? security_file_ioctl+0x3e/0x110 ** 45 printk messages dropped ** [ 28.727657][ T53] __writeback_single_inode+0xc8/0xba0 ** 30 printk messages dropped ** [ 28.756693][ T100] Call Trace: [ 28.756712][ T100] [ 28.756732][ T100] __dump_stack+0x21/0x30 ** 4 printk messages dropped ** [ 28.757148][ T100] should_fail_ex+0x3c2/0x510 ** 26 printk messages dropped ** [ 28.765850][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.765895][ C1] Workqueue: writeback wb_workfn (flush-8:0) [ 28.765982][ C1] Call Trace: ** 50 printk messages dropped ** [ 28.769329][ C1] ** 7 printk messages dropped ** [ 28.769691][ C1] RBP: ffffc9000036e9f0 R08: 0000000000000003 R09: 0000000000000004 ** 138 printk messages dropped ** [ 28.836497][ 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 [ 28.836539][ T100] RSP: 002b:00007ffe2b203518 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 28.836600][ T100] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff128684707 [ 28.836642][ T100] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 28.836674][ T100] RBP: 00007ff128710560 R08: 0000000000000073 R09: 0000000000000001 [ 28.836714][ T100] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 ** 38 printk messages dropped ** [ 28.842574][ T53] ? kvm_sched_clock_read+0x15/0x30 [ 28.842657][ T53] wb_workfn+0x385/0xef0 [ 28.842719][ T53] ? __cfi_wb_workfn+0x10/0x10 [ 28.842795][ T53] ? _raw_spin_unlock+0x45/0x60 [ 28.842880][ T53] ? finish_task_switch+0x139/0x770 [ 28.842948][ T53] ? __schedule+0x149e/0x20b0 [ 28.843023][ T53] ? kick_pool+0xb9/0x540 [ 28.843104][ T53] process_scheduled_works+0x7f7/0x1060 [ 28.843177][ T53] worker_thread+0xc99/0x13f0 [ 28.843240][ T53] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 28.843305][ T53] ? __kasan_check_read+0x15/0x20 [ 28.843373][ T53] kthread+0x2c7/0x360 [ 28.843450][ T53] ? __cfi_worker_thread+0x10/0x10 [ 28.843506][ T53] ? __cfi_kthread+0x10/0x10 [ 28.843566][ T53] ret_from_fork+0x67/0xa0 [ 28.843646][ T53] ? __cfi_kthread+0x10/0x10 [ 28.843716][ T53] ret_from_fork_asm+0x1a/0x30 [ 28.843766][ T53] [ 28.843922][ T53] FAULT_INJECTION: forcing a failure. [ 28.843922][ T53] name failslab, interval 1, probability 10, space 0, times 73 [ 28.848707][ T385] DMA32 free:2958164kB boost:0kB min:19080kB low:23848kB high:28616kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2963400kB mlocked:0kB bounce:0kB free_pcp:5236kB local_pcp:68kB free_cma:0kB [ 28.850131][ T310] CPU: 1 UID: 0 PID: 310 Comm: kworker/1:2 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 28.850228][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.850276][ T310] Workqueue: usb_hub_wq hub_event [ 28.850364][ T310] Call Trace: [ 28.850384][ T310] [ 28.850413][ T310] __dump_stack+0x21/0x30 [ 28.850499][ T310] dump_stack_lvl+0x140/0x1c0 [ 28.850607][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.850693][ T310] dump_stack+0x19/0x20 [ 28.850769][ T310] should_fail_ex+0x3c2/0x510 [ 28.850835][ T310] should_failslab+0xac/0x100 [ 28.850913][ T310] __kmalloc_cache_noprof+0x41/0x470 [ 28.850965][ T310] ? usb_get_device_descriptor+0x62/0x190 [ 28.851040][ T310] ? usb_hcd_reset_endpoint+0x177/0x220 [ 28.851121][ T310] usb_get_device_descriptor+0x62/0x190 [ 28.851190][ T310] hub_port_init+0x1a27/0x2810 [ 28.851285][ T310] hub_event+0x2408/0x4360 [ 28.851390][ T310] ? __cfi_hub_event+0x10/0x10 [ 28.851491][ T310] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 28.851573][ T310] ? _raw_spin_lock_irq+0x93/0x120 [ 28.851656][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.851719][ T310] ? kick_pool+0xb9/0x540 [ 28.851791][ T310] process_scheduled_works+0x7f7/0x1060 [ 28.851870][ T310] worker_thread+0xc99/0x13f0 [ 28.851944][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 28.852007][ T310] ? __kasan_check_read+0x15/0x20 [ 28.852069][ T310] kthread+0x2c7/0x360 [ 28.852141][ T310] ? __cfi_worker_thread+0x10/0x10 [ 28.852196][ T310] ? __cfi_kthread+0x10/0x10 [ 28.852253][ T310] ret_from_fork+0x67/0xa0 [ 28.852346][ T310] ? __cfi_kthread+0x10/0x10 [ 28.852421][ T310] ret_from_fork_asm+0x1a/0x30 [ 28.852483][ T310] [ 28.852522][ T310] usb 2-1: device descriptor read/all, error -12 [ 28.854881][ T385] lowmem_reserve[]: [ 28.859863][ T53] CPU: 1 UID: 0 PID: 53 Comm: kworker/u8:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 28.859974][ T53] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.860013][ T53] Workqueue: writeback wb_workfn (flush-8:0) [ 28.860101][ T53] Call Trace: [ 28.860115][ T53] [ 28.860135][ T53] __dump_stack+0x21/0x30 [ 28.860227][ T53] dump_stack_lvl+0x140/0x1c0 [ 28.860302][ T53] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.860385][ T53] dump_stack+0x19/0x20 [ 28.860466][ T53] should_fail_ex+0x3c2/0x510 [ 28.860538][ T53] should_failslab+0xac/0x100 [ 28.860607][ T53] kmem_cache_alloc_noprof+0x42/0x410 [ 28.860682][ T53] ? ext4_init_io_end+0x44/0x1b0 ** 158 printk messages dropped ** [ 28.888013][ T370] exc_page_fault+0x65/0xc0 ** 106 printk messages dropped ** [ 28.903822][ T100] sk_alloc+0x40/0x590 [ 28.903916][ T100] ? bpf_lsm_inode_alloc_security+0xd/0x20 ** 28 printk messages dropped ** [ 28.919319][ T100] ? should_fail_ex+0x201/0x510 ** 2 printk messages dropped ** [ 28.919546][ T100] should_failslab+0xac/0x100 [ 28.919618][ T100] kmem_cache_alloc_node_noprof+0x45/0x420 ** 1 printk messages dropped ** [ 28.919744][ T100] ? __alloc_skb+0x10c/0x360 [ 28.919815][ T100] ? __asan_memcpy+0x5a/0x80 ** 51 printk messages dropped ** [ 28.928500][ T53] ? ext4_inode_to_goal_block+0x34f/0x4c0 ** 33 printk messages dropped ** [ 28.930953][ T53] ? __kasan_check_write+0x18/0x20 [ 28.931015][ T53] ? _raw_spin_lock+0x92/0x120 ** 1 printk messages dropped ** [ 28.931140][ T53] ? locked_inode_to_wb_and_lock_list+0x1ff/0x2d0 [ 28.931210][ T53] writeback_sb_inodes+0x6a5/0xfb0 [ 28.931284][ T53] ? queue_io+0x690/0x690 [ 28.931359][ T53] ? __cfi__raw_spin_lock+0x10/0x10 ** 84 printk messages dropped ** [ 28.958843][ T100] __dump_stack+0x21/0x30 ** 8 printk messages dropped ** [ 28.959590][ T100] ? avc_has_perm_noaudit+0x26b/0x360 ** 2 printk messages dropped ** [ 28.959812][ T100] alloc_skb_with_frags+0xd0/0x8b0 [ 28.959892][ T100] ? autoremove_wake_function+0x3b/0x110 ** 31 printk messages dropped ** [ 28.970756][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 ** 1 printk messages dropped ** [ 28.970899][ T310] Call Trace: ** 93 printk messages dropped ** [ 29.009215][ T100] Call Trace: ** 139 printk messages dropped ** [ 29.045070][ T310] hub_event+0x202c/0x4360 ** 85 printk messages dropped ** [ 29.050745][ T53] ? __kasan_check_read+0x15/0x20 ** 2 printk messages dropped ** [ 29.050925][ T53] ? __cfi_kthread+0x10/0x10 ** 73 printk messages dropped ** [ 29.097661][ T375] genl_family_rcv_msg_doit+0xe3/0x360 ** 1 printk messages dropped ** [ 29.097844][ T375] ? ctrl_dumppolicy_done+0x90/0x90 ** 71 printk messages dropped ** [ 29.122102][ T100] ** 1 printk messages dropped ** [ 29.134181][ T374] FAULT_INJECTION: forcing a failure. [ 29.134181][ T374] name failslab, interval 1, probability 10, space 0, times 48 [ 29.141635][ T385] 0 ** 1 printk messages dropped ** [ 29.147135][ T385] 0 ** 42 printk messages dropped ** [ 29.154579][ T53] ? finish_task_switch+0x139/0x770 ** 2 printk messages dropped ** [ 29.154792][ T53] process_scheduled_works+0x7f7/0x1060 ** 82 printk messages dropped ** [ 29.167336][ T100] unix_create+0x15a/0x220 ** 26 printk messages dropped ** [ 29.180047][ T374] ? __cfi_dump_stack_lvl+0x10/0x10 ** 2 printk messages dropped ** [ 29.180273][ T374] should_fail_ex+0x3c2/0x510 ** 2 printk messages dropped ** [ 29.180478][ T374] ? jbd2__journal_start+0x16d/0x860 ** 1 printk messages dropped ** [ 29.180629][ T374] __ext4_journal_start_sb+0x111/0x3f0 ** 37 printk messages dropped ** [ 29.183171][ T374] R13: 00007eff04c26038 R14: 000000000000010e R15: fffffffffffef000 [ 29.183212][ T374] ? __skb_try_recv_datagram+0x89/0x4e0 ** 2 printk messages dropped ** [ 29.198041][ T100] FAULT_INJECTION: forcing a failure. [ 29.198041][ T100] name failslab, interval 1, probability 10, space 0, times 45 ** 92 printk messages dropped ** [ 29.273021][ C1] raw-gadget.1 gadget.1: ignoring, device is not running ** 85 printk messages dropped ** [ 29.301071][ T375] RDX: 0000000002000007 RSI: 0000000008000002 RDI: 0000000000000000 ** 151 printk messages dropped ** [ 29.407404][ T100] ? __cfi_unix_dgram_sendmsg+0x10/0x10 ** 28 printk messages dropped ** [ 29.450197][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 ** 93 printk messages dropped ** [ 29.483647][ T366] ? __kasan_check_read+0x15/0x20 ** 48 printk messages dropped ** [ 29.487107][ T374] R10: 0000001b2e320000 R11: 0000000000000246 R12: 00007ffe6ba58920 ** 87 printk messages dropped ** [ 29.523898][ T366] ? __cfi_kthread+0x10/0x10 ** 31 printk messages dropped ** [ 29.529836][ T313] R13: 000056393d3f07f5 R14: 0000000000000001 R15: 000056393d40b140 [ 29.529897][ T313] ** 1 printk messages dropped ** [ 29.536350][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 29.536431][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.536462][ T100] Call Trace: [ 29.536479][ T100] [ 29.536501][ T100] __dump_stack+0x21/0x30 [ 29.536574][ T100] dump_stack_lvl+0x140/0x1c0 ** 28 printk messages dropped ** [ 29.538522][ T100] RBP: 00007ff128710560 R08: 0000000000000000 R09: 0000000000000000 ** 79 printk messages dropped ** [ 29.597049][ T100] ** 43 printk messages dropped ** [ 29.622009][ T310] ** 35 printk messages dropped ** [ 29.624228][ T313] ? clear_bhb_loop+0x50/0xa0 [ 29.624307][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.624366][ T313] RIP: 0033:0x7fdafc0a7407 [ 29.624412][ 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 [ 29.624439][ T313] RSP: 002b:00007ffc1637b360 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 29.624502][ T313] RAX: ffffffffffffffda RBX: 00007fdafc89d880 RCX: 00007fdafc0a7407 [ 29.624540][ T313] RDX: 0000000000001000 RSI: 000056396de3e3d0 RDI: 0000000000000008 [ 29.624582][ T313] RBP: 00007fdafc1efff0 R08: 0000000000000000 R09: 0000000000000000 [ 29.624612][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a [ 29.624649][ T313] R13: 00007fdafc1efea0 R14: 0000000000000000 R15: 000056396dbe26f0 [ 29.624696][ T313] [ 29.624877][ T313] FAULT_INJECTION: forcing a failure. [ 29.624877][ T313] name failslab, interval 1, probability 10, space 0, times 9 [ 29.630291][ T382] Buffer I/O error on dev sda1, logical block 157, lost async page write [ 29.637810][ T366] CPU: 1 UID: 0 PID: 366 Comm: kworker/1:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 29.637874][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.637911][ T366] Workqueue: usb_hub_wq hub_event [ 29.637986][ T366] Call Trace: [ 29.637998][ T366] [ 29.638018][ T366] __dump_stack+0x21/0x30 [ 29.638103][ T366] dump_stack_lvl+0x140/0x1c0 [ 29.638180][ T366] ? __cfi_dump_stack_lvl+0x10/0x10 [ 29.638257][ T366] ? __kasan_slab_free+0x6a/0x80 [ 29.638318][ T366] ? kfree+0x158/0x440 [ 29.638366][ T366] ? usb_control_msg+0x2dc/0x490 [ 29.638434][ T366] dump_stack+0x19/0x20 [ 29.638526][ T366] should_fail_ex+0x3c2/0x510 [ 29.638582][ T366] ? usb_get_configuration+0x329/0x4f10 [ 29.638642][ T366] should_failslab+0xac/0x100 [ 29.638699][ T366] __kmalloc_noprof+0x69/0x510 [ 29.638759][ T366] ? usb_get_configuration+0x329/0x4f10 [ 29.638821][ T366] usb_get_configuration+0x329/0x4f10 [ 29.638873][ T366] ? hub_port_init+0x1898/0x2810 [ 29.638973][ T366] ? process_scheduled_works+0x7f7/0x1060 [ 29.639053][ T366] ? worker_thread+0xc99/0x13f0 [ 29.639132][ T366] ? kthread+0x2c7/0x360 [ 29.639195][ T366] ? ret_from_fork+0x67/0xa0 [ 29.639277][ T366] ? ret_from_fork_asm+0x1a/0x30 [ 29.639337][ T366] ? rpm_resume+0xb92/0x1670 [ 29.639443][ T366] ? __cfi_usb_get_configuration+0x10/0x10 [ 29.639495][ T366] ? _raw_spin_lock_irq+0x93/0x120 [ 29.639569][ T366] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.639635][ T366] ? read_tsc+0xd/0x20 [ 29.639706][ T366] ? _raw_spin_unlock_irq+0x45/0x70 [ 29.639776][ T366] ? pm_runtime_forbid+0xc6/0x110 [ 29.639846][ T366] usb_new_device+0x136/0x1500 [ 29.639916][ T366] ? mutex_unlock+0x90/0x240 [ 29.639999][ T366] ? __cfi_usb_new_device+0x10/0x10 [ 29.640079][ T366] hub_event+0x2dbd/0x4360 [ 29.640176][ T366] ? __cfi_hub_event+0x10/0x10 [ 29.640253][ T366] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 29.640316][ T366] ? _raw_spin_lock_irq+0x93/0x120 [ 29.640397][ T366] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.640490][ T366] ? kick_pool+0xb9/0x540 [ 29.640590][ T366] process_scheduled_works+0x7f7/0x1060 [ 29.640655][ T366] worker_thread+0xc99/0x13f0 [ 29.640710][ T366] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 29.640774][ T366] ? __kasan_check_read+0x15/0x20 [ 29.640830][ T366] kthread+0x2c7/0x360 [ 29.640876][ T366] ? __cfi_worker_thread+0x10/0x10 [ 29.640931][ T366] ? __cfi_kthread+0x10/0x10 [ 29.640996][ T366] ret_from_fork+0x67/0xa0 [ 29.641069][ T366] ? __cfi_kthread+0x10/0x10 [ 29.641127][ T366] ret_from_fork_asm+0x1a/0x30 [ 29.641183][ T366] [ 29.641217][ T366] usb 3-1: can't read configurations, error -12 [ 29.645295][ T100] CPU: 0 UID: 0 PID: 100 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 29.645384][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.645417][ T100] Call Trace: [ 29.645436][ T100] [ 29.645457][ T100] __dump_stack+0x21/0x30 [ 29.645539][ T100] dump_stack_lvl+0x140/0x1c0 [ 29.645620][ T100] ? __cfi_dump_stack_lvl+0x10/0x10 [ 29.645711][ T100] ? avc_has_perm_noaudit+0x289/0x360 [ 29.645791][ T100] dump_stack+0x19/0x20 [ 29.645864][ T100] should_fail_ex+0x3c2/0x510 [ 29.645928][ T100] should_failslab+0xac/0x100 [ 29.645998][ T100] kmem_cache_alloc_noprof+0x42/0x410 [ 29.646059][ T100] ? getname_kernel+0x6b/0x450 [ 29.646122][ T100] ? selinux_socket_connect_helper+0x4ae/0x940 [ 29.646184][ T100] getname_kernel+0x6b/0x450 ** 50 printk messages dropped ** [ 29.654969][ T313] x64_sys_call+0xe69/0x2ee0 ** 18 printk messages dropped ** [ 29.675372][ T366] Workqueue: usb_hub_wq hub_event ** 3 printk messages dropped ** [ 29.675588][ T366] dump_stack_lvl+0x140/0x1c0 ** 82 printk messages dropped ** [ 29.711178][ C1] CPU: 1 UID: 0 PID: 366 Comm: kworker/1:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 ** 81 printk messages dropped ** [ 29.716654][ C1] ? __cfi_down_read+0x10/0x10 [ 29.716743][ C1] hub_port_reset+0x30e/0x1690 ** 1 printk messages dropped ** [ 29.716909][ C1] ? preempt_schedule+0xc5/0xe0 ** 2 printk messages dropped ** [ 29.717141][ C1] hub_event+0x2408/0x4360 ** 55 printk messages dropped ** [ 29.721979][ T366] ret_from_fork_asm+0x1a/0x30 [ 29.722026][ T366] ** 37 printk messages dropped ** [ 29.780005][ T100] RSP: 002b:00007ffe2b203518 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 ** 4 printk messages dropped ** [ 29.780225][ T100] R13: 00007ffe2b203640 R14: 0000000000000058 R15: 00007ffe2b203640 ** 51 printk messages dropped ** [ 30.169192][ C0] RIP: 0010:console_flush_all+0x6fd/0xab0 ** 1 printk messages dropped ** [ 30.169238][ C0] RSP: 0018:ffffc9000b7a7180 EFLAGS: 00000246 [ 30.169255][ C0] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000080000 [ 30.169270][ C0] RDX: ffffc90001651000 RSI: 000000000007ffff RDI: 0000000000080000 [ 30.169283][ C0] RBP: ffffc9000b7a72b0 R08: 0000000000000003 R09: 0000000000000004 [ 30.169296][ C0] R10: dffffc0000000000 R11: fffff520016f4e20 R12: dffffc0000000000 ** 31 printk messages dropped ** [ 30.170097][ C0] ? warn_alloc+0x2c0/0x2c0 ** 1 printk messages dropped ** [ 30.170151][ C0] ? __kasan_check_write+0x18/0x20 ** 218 printk messages dropped ** [ 30.179814][ C0] ** 29 printk messages dropped ** [ 30.189386][ T387] RDX: 0000000000000000 RSI: 0000200000000280 RDI: ffffffffffffff9c [ 30.189454][ T387] RBP: 00007eff04a33eaf R08: 0000000000000000 R09: 0000000000000000 ** 37 printk messages dropped ** [ 30.224269][ T382] bus_remove_device+0x34f/0x370 [ 30.224338][ T382] device_del+0x583/0xcf0 [ 30.224420][ T382] ? __cfi_attribute_container_device_trigger+0x10/0x10 [ 30.224492][ T382] ? __cfi_device_del+0x10/0x10 [ 30.224572][ T382] ? kobject_put+0x97/0x2a0 [ 30.224629][ T382] ? __cfi_device_release+0x10/0x10 [ 30.224700][ T382] ? kobject_put+0x238/0x2a0 [ 30.224781][ T382] __scsi_remove_device+0x19e/0x3c0 [ 30.224896][ T382] scsi_forget_host+0xe4/0x130 [ 30.224974][ T382] scsi_remove_host+0x1bf/0x500 [ 30.225046][ T382] virtscsi_remove+0x134/0x1c0 [ 30.225126][ T382] virtio_dev_remove+0xae/0x1f0 ** 72 printk messages dropped ** [ 30.268200][ C1] call_timer_fn+0x4c/0x300 ** 32 printk messages dropped ** [ 30.270319][ C1] ? __cfi_vprintk_emit+0x10/0x10 ** 124 printk messages dropped ** [ 30.317057][ T387] RAX: fffffffffffffe00 RBX: 00007eff04c25fa8 RCX: 00007eff0499de99 ** 66 printk messages dropped ** [ 30.327485][ T34] ? complete+0x172/0x1d0 [ 30.327504][ T34] devtmpfsd+0x52/0x60 ** 27 printk messages dropped ** [ 30.328131][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 ** 48 printk messages dropped ** [ 30.329211][ C0] ? __show_trace_log_lvl+0x334/0x420 ** 111 printk messages dropped ** [ 30.335430][ T382] do_syscall_64+0x57/0xf0 [ 30.335492][ T382] ? clear_bhb_loop+0x50/0xa0 ** 1 printk messages dropped ** [ 30.335646][ T382] RIP: 0033:0x7f7675f9de99 [ 30.335697][ T382] 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 ** 125 printk messages dropped ** [ 30.364304][ C1] RDX: ffffc9000b867a9c RSI: 0000000000000003 RDI: 00000000ffffffff [ 30.364348][ C1] RBP: ffffc9000b8679d0 R08: ffffea0004ada833 R09: 1ffffd400095b506 [ 30.364396][ C1] R10: dffffc0000000000 R11: fffff9400095b507 R12: 00007eff04369000 [ 30.364437][ C1] R13: 800000012b6a1007 R14: 0000000000000003 R15: 0000000000000094 [ 30.364479][ C1] ? unmap_page_range+0xd31/0x48f0 [ 30.364558][ C1] ? __cfi_unmap_page_range+0x10/0x10 [ 30.364618][ C1] ? uprobe_munmap+0x180/0x580 [ 30.364666][ C1] ? mas_find+0x415/0x620 [ 30.364751][ C1] unmap_vmas+0x2dd/0x400 [ 30.364832][ C1] ? __cfi_unmap_vmas+0x10/0x10 [ 30.364891][ C1] ? lru_add_drain_cpu+0x338/0x450 [ 30.364961][ C1] ? __cfi_lru_add_drain_cpu+0x10/0x10 [ 30.365026][ C1] ? __kasan_check_write+0x18/0x20 [ 30.365102][ C1] exit_mmap+0x28a/0xc20 [ 30.365158][ C1] ? __cfi_exit_mmap+0x10/0x10 [ 30.365223][ C1] ? __cfi_mutex_unlock+0x10/0x10 [ 30.365307][ C1] __mmput+0x92/0x330 [ 30.365364][ C1] mmput+0x55/0x170 ** 19 printk messages dropped ** [ 30.366546][ C1] [ 30.373603][ T382] FAULT_INJECTION: forcing a failure. [ 30.373603][ T382] name failslab, interval 1, probability 100, space 0, times 84 [ 30.383966][ T386] FAULT_INJECTION: forcing a failure. [ 30.383966][ T386] name failslab, interval 1, probability 100, space 0, times 50 [ 30.391679][ T310] FAULT_INJECTION: forcing a failure. [ 30.391679][ T310] name failslab, interval 1, probability 100, space 0, times 50 [ 30.394098][ T386] CPU: 0 UID: 0 PID: 386 Comm: syz.1.25 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.394172][ T386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 ** 134 printk messages dropped ** [ 30.416889][ T310] ? usb_control_msg+0x83/0x490 ** 91 printk messages dropped ** [ 30.488257][ C0] addrconf_rs_timer+0x362/0x620 ** 104 printk messages dropped ** [ 30.491538][ C1] ? irqtime_account_irq+0x51/0x1c0 ** 97 printk messages dropped ** [ 30.502165][ T373] ? clear_bhb_loop+0x50/0xa0 SYZFAIL: pipe failed (errno 23: Too many open files in system) ** 3 printk messages dropped ** [ 30.502449][ T373] RSP: 002b:00007f4a897f4f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 ** 115 printk messages dropped ** [ 30.510804][ T382] do_syscall_64+0x57/0xf0 [ 30.510869][ T382] ? clear_bhb_loop+0x50/0xa0 [ 30.510942][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.511052][ T382] RIP: 0033:0x7f7675f9de99 ** 40 printk messages dropped ** [ 30.519909][ T369] CPU: 1 UID: 0 PID: 369 Comm: syz.2.19 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 ** 52 printk messages dropped ** [ 30.523377][ T310] ? __dev_printk+0x17f/0x1b0 ** 4 printk messages dropped ** [ 30.523747][ T310] ? usb_control_msg+0x83/0x490 ** 81 printk messages dropped ** [ 30.541286][ T372] dump_stack_lvl+0x140/0x1c0 [ 30.541361][ T372] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.541443][ T372] dump_stack+0x19/0x20 ** 2 printk messages dropped ** [ 30.541650][ T372] kmem_cache_alloc_noprof+0x42/0x410 [ 30.541720][ T372] ? __kasan_check_write+0x18/0x20 [ 30.541775][ T372] ? taskstats_exit+0x161/0xb50 [ 30.541856][ T372] ? acct_update_integrals+0x2e5/0x330 [ 30.541937][ T372] taskstats_exit+0x161/0xb50 [ 30.542012][ T372] ? _raw_spin_unlock_irq+0x45/0x70 [ 30.542100][ T372] do_exit+0x7f7/0x2850 [ 30.542175][ T372] ? __kasan_check_read+0x15/0x20 [ 30.542238][ T372] ? futex_wake+0x627/0x950 [ 30.542291][ T372] ? futex_setup_timer+0xb4/0xd0 [ 30.542368][ T372] ? __cfi_do_exit+0x10/0x10 [ 30.542440][ T372] ? futex_wait+0x2b8/0x7c0 [ 30.542500][ T372] ? __cfi_futex_wait+0x10/0x10 [ 30.542573][ T372] ? __kasan_check_write+0x18/0x20 [ 30.542646][ T372] ? _raw_spin_lock_irq+0x93/0x120 [ 30.542709][ T372] do_group_exit+0x21f/0x2f0 [ 30.542781][ T372] ? __kasan_check_write+0x18/0x20 [ 30.542842][ T372] ? recalc_sigpending+0x184/0x1d0 [ 30.542905][ T372] get_signal+0x134c/0x1490 [ 30.542988][ T372] arch_do_signal_or_restart+0xbc/0x700 [ 30.543050][ T372] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 30.543115][ T372] syscall_exit_to_user_mode+0x57/0xb0 [ 30.543201][ T372] do_syscall_64+0x63/0xf0 [ 30.543265][ T372] ? clear_bhb_loop+0x50/0xa0 [ 30.543344][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.543416][ T372] RIP: 0033:0x7f4a8899de99 [ 30.543466][ T372] 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 [ 30.543517][ T372] RSP: 002b:00007f4a898180e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 30.543577][ T372] RAX: fffffffffffffe00 RBX: 00007f4a88c26188 RCX: 00007f4a8899de99 [ 30.543620][ T372] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4a88c26188 [ 30.543672][ T372] RBP: 00007f4a88c26180 R08: 0000000000000000 R09: 0000000000000000 [ 30.543711][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.543743][ T372] R13: 00007f4a88c26218 R14: 00007ffed89fb020 R15: 00007ffed89fb108 [ 30.543791][ T372] [ 30.544167][ T368] CPU: 1 UID: 0 PID: 368 Comm: syz.2.19 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.544239][ T368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.544278][ T368] Call Trace: [ 30.544299][ T368] [ 30.544323][ T368] __dump_stack+0x21/0x30 [ 30.544403][ T368] dump_stack_lvl+0x140/0x1c0 [ 30.544481][ T368] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.544548][ T368] dump_stack+0x19/0x20 [ 30.544624][ T368] should_fail_ex+0x3c2/0x510 [ 30.544685][ T368] should_failslab+0xac/0x100 [ 30.544772][ T368] kmem_cache_alloc_noprof+0x42/0x410 [ 30.544870][ T368] ? __kasan_check_write+0x18/0x20 [ 30.544934][ T368] ? taskstats_exit+0x161/0xb50 [ 30.545013][ T368] ? acct_update_integrals+0x2e5/0x330 [ 30.545096][ T368] taskstats_exit+0x161/0xb50 [ 30.545171][ T368] ? __kasan_check_write+0x18/0x20 [ 30.545226][ T368] do_exit+0x7f7/0x2850 [ 30.545323][ T368] ? hrtimer_cancel+0x31/0x60 [ 30.545425][ T368] ? __cfi_do_exit+0x10/0x10 [ 30.545495][ T368] ? futex_wait+0x23c/0x7c0 [ 30.545548][ T368] ? __cfi_futex_wait+0x10/0x10 [ 30.545600][ T368] ? __kasan_check_write+0x18/0x20 [ 30.545652][ T368] ? _raw_spin_lock_irq+0x93/0x120 [ 30.545721][ T368] do_group_exit+0x21f/0x2f0 [ 30.545793][ T368] ? __kasan_check_write+0x18/0x20 [ 30.545855][ T368] ? recalc_sigpending+0x184/0x1d0 [ 30.545929][ T368] get_signal+0x134c/0x1490 [ 30.546031][ T368] arch_do_signal_or_restart+0xbc/0x700 [ 30.546094][ T368] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 30.546163][ T368] syscall_exit_to_user_mode+0x57/0xb0 [ 30.546242][ T368] do_syscall_64+0x63/0xf0 [ 30.546288][ T368] ? clear_bhb_loop+0x50/0xa0 [ 30.546361][ T368] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.546433][ T368] RIP: 0033:0x7f4a8899de99 [ 30.546481][ T368] 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 [ 30.546524][ T368] RSP: 002b:00007ffed89fb268 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 30.546581][ T368] RAX: fffffffffffffdfc RBX: 0000000000006c61 RCX: 00007f4a8899de99 [ 30.546623][ T368] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4a88c2627c [ 30.546670][ T368] RBP: 0000000000000bea R08: 4000000000000000 R09: 0000000000000000 [ 30.546722][ T368] R10: 00007ffed89fb370 R11: 0000000000000246 R12: 00007ffed89fb390 [ 30.546781][ T368] R13: 00007f4a88c2627c R14: 000000000000784b R15: 00007ffed89fb370 [ 30.546832][ T368] [ 30.553591][ T366] CPU: 1 UID: 0 PID: 366 Comm: kworker/1:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.553685][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.553721][ T366] Workqueue: usb_hub_wq hub_event [ 30.553795][ T366] Call Trace: [ 30.553823][ T366] [ 30.553842][ T366] __dump_stack+0x21/0x30 [ 30.553919][ T366] dump_stack_lvl+0x140/0x1c0 [ 30.553993][ T366] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.554068][ T366] ? __dev_printk+0x17f/0x1b0 [ 30.554123][ T366] dump_stack+0x19/0x20 [ 30.554212][ T366] should_fail_ex+0x3c2/0x510 [ 30.554275][ T366] should_failslab+0xac/0x100 [ 30.554353][ T366] __kmalloc_cache_noprof+0x41/0x470 [ 30.554419][ T366] ? usb_control_msg+0x83/0x490 [ 30.554490][ T366] usb_control_msg+0x83/0x490 [ 30.554552][ T366] hub_port_reset+0x30e/0x1690 [ 30.554643][ T366] hub_port_init+0x285/0x2810 [ 30.554723][ T366] ? preempt_schedule+0xc5/0xe0 [ 30.554794][ T366] ? __cfi_preempt_schedule+0x10/0x10 [ 30.554880][ T366] ? mutex_unlock+0x90/0x240 [ 30.554986][ T366] hub_event+0x2408/0x4360 [ 30.555100][ T366] ? __cfi_hub_event+0x10/0x10 [ 30.555176][ T366] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 30.555238][ T366] ? _raw_spin_lock_irq+0x93/0x120 [ 30.555301][ T366] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.555372][ T366] ? kick_pool+0xb9/0x540 [ 30.555443][ T366] process_scheduled_works+0x7f7/0x1060 [ 30.555513][ T366] worker_thread+0xc99/0x13f0 [ 30.555574][ T366] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 30.555643][ T366] ? __kasan_check_read+0x15/0x20 [ 30.555702][ T366] kthread+0x2c7/0x360 [ 30.555764][ T366] ? __cfi_worker_thread+0x10/0x10 [ 30.555832][ T366] ? __cfi_kthread+0x10/0x10 [ 30.555901][ T366] ret_from_fork+0x67/0xa0 [ 30.555982][ T366] ? __cfi_kthread+0x10/0x10 [ 30.556052][ T366] ret_from_fork_asm+0x1a/0x30 [ 30.556118][ T366] [ 30.556151][ T366] usb usb3-port1: cannot reset (err = -12) [ 30.559672][ T287] FAULT_INJECTION: forcing a failure. [ 30.559672][ T287] name failslab, interval 1, probability 100, space 0, times 32 [ 30.572930][ T310] FAULT_INJECTION: forcing a failure. [ 30.572930][ T310] name failslab, interval 1, probability 100, space 0, times 32 [ 30.573661][ T385] (UME) [ 30.609409][ T310] CPU: 1 UID: 0 PID: 310 Comm: kworker/1:2 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.609498][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.609541][ T310] Workqueue: usb_hub_wq hub_event [ 30.609648][ T310] Call Trace: [ 30.609655][ T310] [ 30.609683][ T310] __dump_stack+0x21/0x30 [ 30.609808][ T310] dump_stack_lvl+0x140/0x1c0 [ 30.609891][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.609985][ T310] ? __cfi_dev_printk_emit+0x10/0x10 [ 30.610055][ T310] ? __dev_printk+0x17f/0x1b0 [ 30.610113][ T310] dump_stack+0x19/0x20 [ 30.610187][ T310] should_fail_ex+0x3c2/0x510 [ 30.610257][ T310] should_failslab+0xac/0x100 [ 30.610323][ T310] __kmalloc_cache_noprof+0x41/0x470 [ 30.610384][ T310] ? usb_control_msg+0x83/0x490 [ 30.610452][ T310] usb_control_msg+0x83/0x490 [ 30.610520][ T310] hub_port_reset+0x30e/0x1690 [ 30.610618][ T310] hub_port_init+0x285/0x2810 [ 30.610687][ T310] ? preempt_schedule+0xc5/0xe0 [ 30.610757][ T310] ? __cfi_preempt_schedule+0x10/0x10 [ 30.610836][ T310] ? mutex_unlock+0x90/0x240 [ 30.610916][ T310] hub_event+0x2408/0x4360 [ 30.611009][ T310] ? __cfi_hub_event+0x10/0x10 [ 30.611101][ T310] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 30.611163][ T310] ? _raw_spin_lock_irq+0x93/0x120 [ 30.611246][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.611310][ T310] ? kick_pool+0xb9/0x540 [ 30.611373][ T310] process_scheduled_works+0x7f7/0x1060 [ 30.611448][ T310] worker_thread+0xc99/0x13f0 [ 30.611503][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 30.611572][ T310] ? __kasan_check_read+0x15/0x20 [ 30.611626][ T310] kthread+0x2c7/0x360 [ 30.611674][ T310] ? __cfi_worker_thread+0x10/0x10 [ 30.611733][ T310] ? __cfi_kthread+0x10/0x10 [ 30.611811][ T310] ret_from_fork+0x67/0xa0 [ 30.611886][ T310] ? __cfi_kthread+0x10/0x10 [ 30.611955][ T310] ret_from_fork_asm+0x1a/0x30 [ 30.612017][ T310] [ 30.612052][ T310] usb usb2-port1: cannot reset (err = -12) [ 30.612907][ T287] CPU: 0 UID: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.612947][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.612992][ T287] Call Trace: [ 30.613017][ T287] [ 30.613048][ T287] __dump_stack+0x21/0x30 [ 30.613129][ T287] dump_stack_lvl+0x140/0x1c0 [ 30.613213][ T287] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.613277][ T287] ? dequeue_entity+0x88a/0x13b0 [ 30.613348][ T287] dump_stack+0x19/0x20 [ 30.613430][ T287] should_fail_ex+0x3c2/0x510 [ 30.613487][ T287] should_failslab+0xac/0x100 [ 30.613553][ T287] kmem_cache_alloc_node_noprof+0x45/0x420 [ 30.613612][ T287] ? sched_clock+0x44/0x60 [ 30.613673][ T287] ? __alloc_skb+0x10c/0x360 [ 30.613756][ T287] __alloc_skb+0x10c/0x360 [ 30.613821][ T287] ? tcp_current_mss+0x539/0x8b0 [ 30.613877][ T287] tcp_stream_alloc_skb+0x43/0x370 [ 30.613926][ T287] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 30.613981][ T287] ? avc_has_perm_noaudit+0x289/0x360 [ 30.614046][ T287] ? __kasan_check_write+0x18/0x20 [ 30.614100][ T287] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 30.614157][ T287] ? __kasan_check_write+0x18/0x20 [ 30.614228][ T287] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 30.614279][ T287] ? avc_has_perm+0x155/0x240 [ 30.614359][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 30.614419][ T287] tcp_sendmsg+0x3e/0xd0 [ 30.614478][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 30.614539][ T287] inet_sendmsg+0xb7/0x120 [ 30.614596][ T287] ? __cfi_inet_sendmsg+0x10/0x10 [ 30.614682][ T287] sock_write_iter+0x3bf/0x490 [ 30.614745][ T287] ? __cfi_sock_write_iter+0x10/0x10 [ 30.614803][ T287] ? usleep_range_state+0x150/0x150 [ 30.614866][ T287] vfs_write+0x762/0xfd0 [ 30.614927][ T287] ? __cfi_vfs_write+0x10/0x10 [ 30.614987][ T287] ? _copy_from_user+0x87/0xa0 [ 30.615060][ T287] ? __kasan_check_read+0x15/0x20 [ 30.615119][ T287] ksys_write+0x145/0x260 [ 30.615181][ T287] ? xfd_validate_state+0x68/0x140 [ 30.615253][ T287] ? __cfi_ksys_write+0x10/0x10 [ 30.615322][ T287] ? __kasan_check_write+0x18/0x20 [ 30.615380][ T287] ? fpregs_restore_userregs+0x11c/0x260 [ 30.615450][ T287] __x64_sys_write+0x7f/0x90 [ 30.615484][ T287] x64_sys_call+0x271c/0x2ee0 [ 30.615543][ T287] do_syscall_64+0x57/0xf0 [ 30.615602][ T287] ? clear_bhb_loop+0x50/0xa0 [ 30.615673][ T287] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.615742][ T287] RIP: 0033:0x7f0f5f959017 [ 30.615816][ 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 [ 30.615879][ T287] RSP: 002b:00007fffe5c88640 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 30.615943][ T287] RAX: ffffffffffffffda RBX: 000055555a103500 RCX: 00007f0f5f959017 [ 30.615990][ T287] RDX: 0000000000006538 RSI: 00007f0f5b9f9ac8 RDI: 0000000000000003 [ 30.616030][ T287] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.616061][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000006538 [ 30.616100][ T287] R13: 000055555a11acf0 R14: 00007fffe5c88be0 R15: 00007f0f5b9f9ac8 [ 30.616160][ T287] [ 30.616252][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.616320][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.616354][ T294] Call Trace: [ 30.616368][ T294] [ 30.616394][ T294] __dump_stack+0x21/0x30 [ 30.616460][ T294] dump_stack_lvl+0x140/0x1c0 [ 30.616535][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.616602][ T294] ? handle_mm_fault+0x16fe/0x1ba0 [ 30.616666][ T294] dump_stack+0x19/0x20 [ 30.616732][ T294] should_fail_ex+0x3c2/0x510 [ 30.616783][ T294] should_failslab+0xac/0x100 [ 30.616845][ T294] kmem_cache_alloc_noprof+0x42/0x410 [ 30.616900][ T294] ? __cfi_handle_mm_fault+0x10/0x10 [ 30.616957][ T294] ? lock_vma_under_rcu+0x4cf/0x590 [ 30.617017][ T294] ? getname_flags+0xcc/0x6b0 [ 30.617074][ T294] getname_flags+0xcc/0x6b0 [ 30.617138][ T294] getname+0x1b/0x30 [ 30.617208][ T294] do_sys_openat2+0xda/0x1d0 [ 30.617309][ T294] ? getname_flags+0x5ca/0x6b0 [ 30.617366][ T294] ? do_sys_open+0x100/0x100 [ 30.617433][ T294] ? __kasan_check_write+0x18/0x20 [ 30.617480][ T294] ? do_user_addr_fault+0xbf5/0x1230 [ 30.617571][ T294] __x64_sys_openat+0x13a/0x170 [ 30.617646][ T294] x64_sys_call+0xe69/0x2ee0 [ 30.617698][ T294] do_syscall_64+0x57/0xf0 [ 30.617748][ T294] ? clear_bhb_loop+0x50/0xa0 [ 30.617816][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.617880][ T294] RIP: 0033:0x7eff0499d1bc [ 30.617923][ T294] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 30.617962][ T294] RSP: 002b:00007ffe6ba578a0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 30.618024][ T294] RAX: ffffffffffffffda RBX: 00007eff04a3330a RCX: 00007eff0499d1bc [ 30.618063][ T294] RDX: 0000000000090800 RSI: 00007ffe6ba58a50 RDI: 00000000ffffff9c [ 30.618099][ T294] RBP: 00007ffe6ba58a3c R08: 0000000000000000 R09: 0000000000000000 [ 30.618136][ T294] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe6ba58a50 [ 30.618168][ T294] R13: 00007eff04a3330a R14: 00000000000075e8 R15: 00007ffe6ba58a90 [ 30.618215][ T294] [ 30.627250][ T382] CPU: 0 UID: 0 PID: 382 Comm: syz.3.23 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 30.627343][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.627383][ T382] Call Trace: [ 30.627403][ T382] [ 30.627425][ T382] __dump_stack+0x21/0x30 [ 30.627515][ T382] dump_stack_lvl+0x140/0x1c0 [ 30.627597][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 30.627684][ T382] ? __kasan_check_write+0x18/0x20 [ 30.627743][ T382] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 30.627808][ T382] dump_stack+0x19/0x20 [ 30.627881][ T382] should_fail_ex+0x3c2/0x510 [ 30.627950][ T382] should_failslab+0xac/0x100 [ 30.628010][ T382] __kmalloc_cache_noprof+0x41/0x470 [ 30.628079][ T382] ? kobject_uevent_env+0x2a3/0x7e0 [ 30.628152][ T382] ? __kasan_check_write+0x18/0x20 [ 30.628243][ T382] kobject_uevent_env+0x2a3/0x7e0 [ 30.628342][ T382] kobject_uevent+0x21/0x40 [ 30.628424][ T382] device_del+0xb7f/0xcf0 [ 30.628500][ T382] ? __cfi_attribute_container_device_trigger+0x10/0x10 [ 30.628566][ T382] ? __cfi_device_del+0x10/0x10 [ 30.628639][ T382] ? kobject_put+0x97/0x2a0 [ 30.628696][ T382] ? __cfi_device_release+0x10/0x10 [ 30.628753][ T382] ? kobject_put+0x238/0x2a0 [ 30.628805][ T382] __scsi_remove_device+0x19e/0x3c0 [ 30.628880][ T382] scsi_forget_host+0xe4/0x130 [ 30.628978][ T382] scsi_remove_host+0x1bf/0x500 [ 30.629037][ T382] virtscsi_remove+0x134/0x1c0 [ 30.629115][ T382] virtio_dev_remove+0xae/0x1f0 [ 30.629177][ T382] ? __cfi_virtio_dev_remove+0x10/0x10 [ 30.629254][ T382] device_release_driver_internal+0x4ad/0x830 [ 30.629344][ T382] device_release_driver+0x1d/0x30 [ 30.629421][ T382] bus_remove_device+0x34f/0x370 [ 30.629491][ T382] device_del+0x583/0xcf0 [ 30.629581][ T382] ? pci_bus_read_dev_vendor_id+0x106/0x160 [ 30.629651][ T382] ? __cfi_device_del+0x10/0x10 [ 30.629732][ T382] ? pci_device_is_present+0x175/0x240 [ 30.629807][ T382] ? __cfi_pci_device_is_present+0x10/0x10 [ 30.629895][ T382] device_unregister+0x19/0x40 [ 30.629942][ T382] unregister_virtio_device+0x38/0x70 [ 30.629966][ T382] virtio_pci_remove+0x80/0xf0 [ 30.630000][ T382] pci_device_remove+0xab/0x260 [ 30.630021][ T382] ? __cfi_pci_device_remove+0x10/0x10 [ 30.630042][ T382] device_release_driver_internal+0x4ad/0x830 [ 30.630079][ T382] device_driver_detach+0x3f/0x50 [ 30.630114][ T382] unbind_store+0x1ab/0x1f0 [ 30.630189][ T382] ? __cfi_unbind_store+0x10/0x10 [ 30.630281][ T382] drv_attr_store+0x91/0xb0 [ 30.630365][ T382] ? __cfi_drv_attr_store+0x10/0x10 [ 30.630425][ T382] sysfs_kf_write+0x141/0x160 [ 30.630484][ T382] ? __cfi_sysfs_kf_write+0x10/0x10 [ 30.630544][ T382] kernfs_fop_write_iter+0x316/0x510 [ 30.630633][ T382] vfs_write+0x762/0xfd0 [ 30.630708][ T382] ? __cfi_vfs_write+0x10/0x10 [ 30.630769][ T382] ? __cfi_mutex_lock+0x10/0x10 [ 30.630846][ T382] ksys_write+0x145/0x260 [ 30.630906][ T382] ? xfd_validate_state+0x68/0x140 [ 30.630988][ T382] ? __cfi_ksys_write+0x10/0x10 [ 30.631070][ T382] ? __kasan_check_write+0x18/0x20 [ 30.631138][ T382] ? fpregs_restore_userregs+0x11c/0x260 [ 30.631217][ T382] __x64_sys_write+0x7f/0x90 [ 30.631277][ T382] x64_sys_call+0x271c/0x2ee0 [ 30.631336][ T382] do_syscall_64+0x57/0xf0 [ 30.631413][ T382] ? clear_bhb_loop+0x50/0xa0 [ 30.631491][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.631563][ T382] RIP: 0033:0x7f7675f9de99 [ 30.631626][ T382] 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 [ 30.631703][ T382] RSP: 002b:00007f7676e3f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.631769][ T382] RAX: ffffffffffffffda RBX: 00007f7676225fa0 RCX: 00007f7675f9de99 [ 30.631807][ T382] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000003 [ 30.631847][ T382] RBP: 00007f7676033eaf R08: 0000000000000000 R09: 0000000000000000 [ 30.631888][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.631926][ T382] R13: 00007f7676226038 R14: 00007f7676225fa0 R15: 00007ffe2f831068 [ 30.631984][ T382] [ 30.656566][ T385] 5*256kB [ 31.085786][ T389] FAULT_INJECTION: forcing a failure. [ 31.085786][ T389] name failslab, interval 1, probability 10, space 0, times 100 [ 31.092072][ T111] FAULT_INJECTION: forcing a failure. [ 31.092072][ T111] name failslab, interval 1, probability 10, space 0, times 100 [ 31.093311][ T382] FAULT_INJECTION: forcing a failure. [ 31.093311][ T382] name failslab, interval 1, probability 10, space 0, times 100 [ 31.097463][ T111] CPU: 0 UID: 0 PID: 111 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.097554][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.097595][ T111] Call Trace: [ 31.097616][ T111] [ 31.097637][ T111] __dump_stack+0x21/0x30 [ 31.097724][ T111] dump_stack_lvl+0x140/0x1c0 [ 31.097800][ T111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.097882][ T111] dump_stack+0x19/0x20 [ 31.097963][ T111] should_fail_ex+0x3c2/0x510 [ 31.098028][ T111] should_failslab+0xac/0x100 [ 31.098102][ T111] kmem_cache_alloc_noprof+0x42/0x410 [ 31.098185][ T111] ? security_file_alloc+0x49/0x220 [ 31.098334][ T111] ? kasan_save_alloc_info+0x3a/0x50 [ 31.098413][ T111] security_file_alloc+0x49/0x220 [ 31.098510][ T111] init_file+0x9e/0x210 [ 31.098608][ T111] alloc_empty_file+0xd9/0x270 [ 31.098682][ T111] path_openat+0xf4/0x35a0 [ 31.098756][ T111] ? stack_depot_save_flags+0x38/0x800 [ 31.098822][ T111] ? move_addr_to_user+0x177/0x1e0 [ 31.098913][ T111] ? kasan_save_track+0x4f/0x80 [ 31.098976][ T111] ? kasan_save_track+0x3e/0x80 [ 31.099041][ T111] ? kasan_save_alloc_info+0x3a/0x50 [ 31.099127][ T111] ? __kasan_slab_alloc+0x73/0x90 [ 31.099199][ T111] ? getname+0x1b/0x30 [ 31.099255][ T111] ? do_sys_openat2+0xda/0x1d0 [ 31.099342][ T111] ? __x64_sys_openat+0x13a/0x170 [ 31.099425][ T111] ? x64_sys_call+0xe69/0x2ee0 [ 31.099479][ T111] ? do_syscall_64+0x57/0xf0 [ 31.099552][ T111] ? do_filp_open+0x440/0x440 [ 31.099642][ T111] do_filp_open+0x1f2/0x440 [ 31.099717][ T111] ? __cfi_do_filp_open+0x10/0x10 [ 31.099808][ T111] ? alloc_fd+0x4c1/0x570 [ 31.099892][ T111] do_sys_openat2+0x134/0x1d0 [ 31.100002][ T111] ? do_sys_open+0x100/0x100 [ 31.100087][ T111] __x64_sys_openat+0x13a/0x170 [ 31.100172][ T111] x64_sys_call+0xe69/0x2ee0 [ 31.100226][ T111] do_syscall_64+0x57/0xf0 [ 31.100297][ T111] ? clear_bhb_loop+0x50/0xa0 [ 31.100379][ T111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.100452][ T111] RIP: 0033:0x7fdafc0a7407 [ 31.100503][ T111] 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 [ 31.100553][ T111] RSP: 002b:00007ffc1637f960 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 31.100617][ T111] RAX: ffffffffffffffda RBX: 00007fdafc89d880 RCX: 00007fdafc0a7407 [ 31.100666][ T111] RDX: 0000000000080000 RSI: 00007ffc1637fae0 RDI: ffffffffffffff9c [ 31.100710][ T111] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 31.100750][ T111] R10: 0000000000000000 R11: 0000000000000202 R12: 000056393d3f07f5 [ 31.100796][ T111] R13: 000056393d3f07f5 R14: 0000000000000001 R15: 0000000000000000 [ 31.100840][ T111] [ 31.101531][ T385] (UME) [ 31.102493][ T313] FAULT_INJECTION: forcing a failure. [ 31.102493][ T313] name failslab, interval 1, probability 10, space 0, times 97 [ 31.109904][ T385] 6*512kB [ 31.117352][ T389] CPU: 1 UID: 0 PID: 389 Comm: syz.2.27 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.117449][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.117490][ T389] Call Trace: [ 31.117516][ T389] [ 31.117544][ T389] __dump_stack+0x21/0x30 [ 31.117645][ T389] dump_stack_lvl+0x140/0x1c0 [ 31.117733][ T389] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.117833][ T389] dump_stack+0x19/0x20 [ 31.117912][ T389] should_fail_ex+0x3c2/0x510 [ 31.117981][ T389] should_failslab+0xac/0x100 [ 31.118045][ T389] kmem_cache_alloc_noprof+0x42/0x410 [ 31.118069][ T389] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.118189][ T389] ? alloc_empty_file+0xbf/0x270 [ 31.118282][ T389] ? arch_stack_walk+0x10a/0x170 [ 31.118351][ T389] alloc_empty_file+0xbf/0x270 [ 31.118430][ T389] path_openat+0xf4/0x35a0 [ 31.118503][ T389] ? stack_depot_save_flags+0x38/0x800 [ 31.118573][ T389] ? schedule+0xc5/0x240 [ 31.118660][ T389] ? kasan_save_track+0x4f/0x80 [ 31.118731][ T389] ? kasan_save_track+0x3e/0x80 [ 31.118800][ T389] ? kasan_save_alloc_info+0x3a/0x50 [ 31.118891][ T389] ? __kasan_slab_alloc+0x73/0x90 [ 31.118961][ T389] ? getname+0x1b/0x30 [ 31.119023][ T389] ? do_sys_openat2+0xda/0x1d0 [ 31.119112][ T389] ? __x64_sys_openat+0x13a/0x170 [ 31.119195][ T389] ? x64_sys_call+0xe69/0x2ee0 [ 31.119248][ T389] ? do_syscall_64+0x57/0xf0 [ 31.119325][ T389] ? do_filp_open+0x440/0x440 [ 31.119427][ T389] do_filp_open+0x1f2/0x440 [ 31.119533][ T389] ? __cfi_do_filp_open+0x10/0x10 [ 31.119647][ T389] ? alloc_fd+0x4c1/0x570 [ 31.119737][ T389] do_sys_openat2+0x134/0x1d0 [ 31.119831][ T389] ? do_sys_open+0x100/0x100 [ 31.119924][ T389] __x64_sys_openat+0x13a/0x170 [ 31.120023][ T389] x64_sys_call+0xe69/0x2ee0 [ 31.120079][ T389] do_syscall_64+0x57/0xf0 [ 31.120158][ T389] ? clear_bhb_loop+0x50/0xa0 [ 31.120239][ T389] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.120316][ T389] RIP: 0033:0x7f4a8899de99 [ 31.120367][ T389] 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 [ 31.120425][ T389] RSP: 002b:00007f4a8985a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 31.120486][ T389] RAX: ffffffffffffffda RBX: 00007f4a88c25fa0 RCX: 00007f4a8899de99 [ 31.120536][ T389] RDX: 0000000000000000 RSI: 0000200000000280 RDI: ffffffffffffff9c [ 31.120577][ T389] RBP: 00007f4a88a33eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.120627][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.120657][ T389] R13: 00007f4a88c26038 R14: 00007f4a88c25fa0 R15: 00007ffed89fb108 [ 31.120713][ T389] [ 31.120820][ T313] CPU: 1 UID: 0 PID: 313 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.120886][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.120922][ T313] Call Trace: [ 31.120940][ T313] [ 31.120965][ T313] __dump_stack+0x21/0x30 [ 31.121066][ T313] dump_stack_lvl+0x140/0x1c0 [ 31.121136][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.121204][ T313] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 31.121260][ T313] ? init_file+0x9e/0x210 [ 31.121324][ T313] ? alloc_empty_file+0xd9/0x270 [ 31.121389][ T313] ? path_openat+0xf4/0x35a0 [ 31.121454][ T313] ? do_sys_openat2+0x134/0x1d0 [ 31.121523][ T313] ? __x64_sys_openat+0x13a/0x170 [ 31.121592][ T313] ? x64_sys_call+0xe69/0x2ee0 [ 31.121658][ T313] dump_stack+0x19/0x20 [ 31.121717][ T313] should_fail_ex+0x3c2/0x510 [ 31.121788][ T313] should_failslab+0xac/0x100 [ 31.121865][ T313] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.121918][ T313] ? __d_alloc+0x42/0x8c0 [ 31.121976][ T313] __d_alloc+0x42/0x8c0 [ 31.122065][ T313] d_alloc_parallel+0xe4/0x1370 [ 31.122120][ T313] ? make_vfsuid+0x4d/0xa0 [ 31.122174][ T313] ? __kasan_check_write+0x18/0x20 [ 31.122233][ T313] ? security_inode_permission+0x77/0x150 [ 31.122304][ T313] ? downgrade_write+0x470/0x470 [ 31.122402][ T313] ? try_to_unlazy+0x62a/0xb50 [ 31.122457][ T313] ? __cfi_d_alloc_parallel+0x10/0x10 [ 31.122532][ T313] ? down_read+0x7f/0xe0 [ 31.122611][ T313] ? __cfi_down_read+0x10/0x10 [ 31.122691][ T313] ? lookup_fast+0x19a/0x540 [ 31.122717][ T313] path_openat+0xa09/0x35a0 [ 31.122773][ T313] ? x64_sys_call+0xe69/0x2ee0 [ 31.122856][ T313] ? do_filp_open+0x440/0x440 [ 31.122949][ T313] do_filp_open+0x1f2/0x440 [ 31.123021][ T313] ? __cfi_do_filp_open+0x10/0x10 [ 31.123103][ T313] ? alloc_fd+0x4c1/0x570 [ 31.123174][ T313] do_sys_openat2+0x134/0x1d0 [ 31.123254][ T313] ? do_sys_open+0x100/0x100 [ 31.123312][ T313] __x64_sys_openat+0x13a/0x170 [ 31.123392][ T313] x64_sys_call+0xe69/0x2ee0 [ 31.123442][ T313] do_syscall_64+0x57/0xf0 [ 31.123504][ T313] ? clear_bhb_loop+0x50/0xa0 [ 31.123574][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.123642][ T313] RIP: 0033:0x7fdafc0a7407 [ 31.123684][ 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 [ 31.123732][ T313] RSP: 002b:00007ffc1637f800 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 31.123792][ T313] RAX: ffffffffffffffda RBX: 00007fdafc89d880 RCX: 00007fdafc0a7407 [ 31.123847][ T313] RDX: 0000000000080000 RSI: 00007ffc1637f970 RDI: ffffffffffffff9c [ 31.123910][ T313] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 31.123936][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000056393d3f07f5 [ 31.123974][ T313] R13: 000056393d3f07f5 R14: 0000000000000001 R15: 000056393d40b140 [ 31.124023][ T313] [ 31.124509][ T313] FAULT_INJECTION: forcing a failure. [ 31.124509][ T313] name failslab, interval 1, probability 10, space 0, times 94 [ 31.131419][ T294] FAULT_INJECTION: forcing a failure. [ 31.131419][ T294] name failslab, interval 1, probability 10, space 0, times 92 [ 31.139238][ T382] CPU: 1 UID: 0 PID: 382 Comm: syz.3.23 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.139314][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.139354][ T382] Call Trace: [ 31.139374][ T382] [ 31.139413][ T382] __dump_stack+0x21/0x30 [ 31.139506][ T382] dump_stack_lvl+0x140/0x1c0 [ 31.139598][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.139678][ T382] dump_stack+0x19/0x20 [ 31.139761][ T382] should_fail_ex+0x3c2/0x510 [ 31.139833][ T382] should_failslab+0xac/0x100 [ 31.139912][ T382] kmem_cache_alloc_noprof+0x42/0x410 [ 31.139977][ T382] ? device_driver_detach+0x3f/0x50 [ 31.140070][ T382] ? acpi_ut_create_update_state+0xf2/0x2b0 [ 31.140143][ T382] acpi_ut_create_update_state+0xf2/0x2b0 [ 31.140237][ T382] ? __cfi_acpi_ut_create_update_state+0x10/0x10 [ 31.140304][ T382] acpi_ut_create_update_state_and_push+0x2c/0x70 [ 31.140395][ T382] acpi_ut_update_object_reference+0x2b2/0x730 [ 31.140476][ T382] ? __cfi_acpi_ut_update_object_reference+0x10/0x10 [ 31.140549][ T382] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.140631][ T382] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 31.140707][ T382] acpi_ut_add_reference+0x3d/0x50 [ 31.140779][ T382] acpi_ex_resolve_node_to_value+0x680/0x730 [ 31.140871][ T382] ? __cfi_acpi_ex_resolve_node_to_value+0x10/0x10 [ 31.140959][ T382] ? acpi_os_wait_semaphore+0xb8/0xd0 [ 31.141030][ T382] acpi_ns_evaluate+0x78b/0xa60 [ 31.141117][ T382] acpi_ut_evaluate_object+0x15a/0x5b0 [ 31.141192][ T382] ? irqentry_exit+0x4a/0x60 [ 31.141278][ T382] ? __cfi_acpi_ut_evaluate_object+0x10/0x10 [ 31.141352][ T382] ? __cfi_lapic_next_event+0x10/0x10 [ 31.141415][ T382] acpi_rs_get_prt_method_data+0x96/0x110 [ 31.141504][ T382] ? __cfi_acpi_rs_get_prt_method_data+0x10/0x10 [ 31.141604][ T382] ? __kasan_check_write+0x18/0x20 [ 31.141678][ T382] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.141750][ T382] acpi_get_irq_routing_table+0xb8/0xe0 [ 31.141843][ T382] acpi_pci_irq_find_prt_entry+0x164/0x1010 [ 31.141918][ T382] ? acpi_pci_irq_lookup+0x5a0/0x5a0 [ 31.141974][ T382] ? _raw_spin_unlock_irqrestore+0x5b/0x70 [ 31.142064][ T382] ? pci_conf1_write+0x12c/0x150 [ 31.142119][ T382] acpi_pci_irq_lookup+0x44/0x5a0 [ 31.142182][ T382] acpi_pci_irq_disable+0x171/0x2f0 [ 31.142251][ T382] ? __cfi_acpi_pci_irq_disable+0x10/0x10 [ 31.142308][ T382] pcibios_disable_device+0xc0/0x120 [ 31.142392][ T382] pci_disable_device+0x162/0x2d0 [ 31.142482][ T382] ? __cfi_pci_disable_device+0x10/0x10 [ 31.142566][ T382] ? pci_release_region+0x342/0x3a0 [ 31.142629][ T382] ? vp_legacy_remove+0x67/0x80 [ 31.142722][ T382] virtio_pci_remove+0xc2/0xf0 [ 31.142794][ T382] pci_device_remove+0xab/0x260 [ 31.142854][ T382] ? __cfi_pci_device_remove+0x10/0x10 [ 31.142922][ T382] device_release_driver_internal+0x4ad/0x830 [ 31.143041][ T382] device_driver_detach+0x3f/0x50 [ 31.143132][ T382] unbind_store+0x1ab/0x1f0 [ 31.143211][ T382] ? __cfi_unbind_store+0x10/0x10 [ 31.143280][ T382] drv_attr_store+0x91/0xb0 [ 31.143352][ T382] ? __cfi_drv_attr_store+0x10/0x10 [ 31.143432][ T382] sysfs_kf_write+0x141/0x160 [ 31.143494][ T382] ? __cfi_sysfs_kf_write+0x10/0x10 [ 31.143549][ T382] kernfs_fop_write_iter+0x316/0x510 [ 31.143643][ T382] vfs_write+0x762/0xfd0 [ 31.143705][ T382] ? __cfi_vfs_write+0x10/0x10 [ 31.143783][ T382] ? __cfi_mutex_lock+0x10/0x10 [ 31.143868][ T382] ksys_write+0x145/0x260 [ 31.143931][ T382] ? xfd_validate_state+0x68/0x140 [ 31.144016][ T382] ? __cfi_ksys_write+0x10/0x10 [ 31.144080][ T382] ? __kasan_check_write+0x18/0x20 [ 31.144143][ T382] ? fpregs_restore_userregs+0x11c/0x260 [ 31.144218][ T382] __x64_sys_write+0x7f/0x90 [ 31.144274][ T382] x64_sys_call+0x271c/0x2ee0 [ 31.144354][ T382] do_syscall_64+0x57/0xf0 [ 31.144437][ T382] ? clear_bhb_loop+0x50/0xa0 [ 31.144512][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.144603][ T382] RIP: 0033:0x7f7675f9de99 [ 31.144654][ T382] 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 [ 31.144703][ T382] RSP: 002b:00007f7676e3f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.144757][ T382] RAX: ffffffffffffffda RBX: 00007f7676225fa0 RCX: 00007f7675f9de99 [ 31.144815][ T382] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000003 [ 31.144855][ T382] RBP: 00007f7676033eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.144894][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.144934][ T382] R13: 00007f7676226038 R14: 00007f7676225fa0 R15: 00007ffe2f831068 [ 31.144985][ T382] [ 31.145043][ T382] ACPI Error: AE_NO_MEMORY, [ 31.149103][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.149248][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.149296][ T294] Call Trace: [ 31.149317][ T294] [ 31.149346][ T294] __dump_stack+0x21/0x30 [ 31.149428][ T294] dump_stack_lvl+0x140/0x1c0 [ 31.149509][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.149601][ T294] dump_stack+0x19/0x20 [ 31.149676][ T294] should_fail_ex+0x3c2/0x510 [ 31.149749][ T294] should_failslab+0xac/0x100 [ 31.149825][ T294] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.149886][ T294] ? __alloc_skb+0x10c/0x360 [ 31.149965][ T294] ? call_fib4_notifiers+0x94/0x100 [ 31.150048][ T294] __alloc_skb+0x10c/0x360 [ 31.150123][ T294] rtmsg_fib+0xe1/0x490 [ 31.150194][ T294] fib_table_delete+0xc65/0xe90 [ 31.150284][ T294] fib_del_ifaddr+0x16ff/0x1c80 [ 31.150340][ T294] ? kasan_save_track+0x4f/0x80 [ 31.150409][ T294] ? __kfree_skb+0x18f/0x210 [ 31.150477][ T294] ? netlink_broadcast_filtered+0x10c2/0x11d0 [ 31.150609][ T294] ? nlmsg_notify+0xed/0x1b0 [ 31.150674][ T294] ? rtmsg_ifa+0x143/0x1f0 [ 31.150734][ T294] ? inetdev_event+0x7fa/0x1240 [ 31.150788][ T294] ? notifier_call_chain+0x106/0x2b0 [ 31.150840][ T294] ? raw_notifier_call_chain+0x31/0x40 [ 31.150898][ T294] ? unregister_netdevice_many_notify+0xde1/0x1be0 [ 31.150977][ T294] ? unregister_netdevice_queue+0x302/0x350 [ 31.151041][ T294] ? __cfi_fib_del_ifaddr+0x10/0x10 [ 31.151094][ T294] ? ____fput+0x20/0x30 [ 31.151180][ T294] ? kmem_cache_free+0x1bd/0x4f0 [ 31.151248][ T294] ? consume_skb+0x91/0x1a0 [ 31.151328][ T294] ? downgrade_write+0x470/0x470 [ 31.151410][ T294] fib_inetaddr_event+0xcd/0x320 [ 31.151470][ T294] ? __cfi_fib_inetaddr_event+0x10/0x10 [ 31.151530][ T294] notifier_call_chain+0x106/0x2b0 [ 31.151590][ T294] blocking_notifier_call_chain+0x6a/0x90 [ 31.151649][ T294] __inet_del_ifa+0x81f/0xda0 [ 31.151709][ T294] ? ip_mc_destroy_dev+0x39a/0x3f0 [ 31.151785][ T294] inetdev_event+0x7fa/0x1240 [ 31.151851][ T294] ? __cfi_inetdev_event+0x10/0x10 [ 31.151919][ T294] ? cfg802154_netdev_notifier_call+0xe5/0x930 [ 31.152002][ T294] ? arp_netdev_event+0xd8/0x2c0 [ 31.152089][ T294] ? __cfi_inetdev_event+0x10/0x10 [ 31.152150][ T294] notifier_call_chain+0x106/0x2b0 [ 31.152204][ T294] raw_notifier_call_chain+0x31/0x40 [ 31.152271][ T294] unregister_netdevice_many_notify+0xde1/0x1be0 [ 31.152338][ T294] ? __queue_work+0xb67/0x1130 [ 31.152421][ T294] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 31.152502][ T294] ? __queue_delayed_work+0x18e/0x240 [ 31.152568][ T294] ? __kasan_check_read+0x15/0x20 [ 31.152619][ T294] unregister_netdevice_queue+0x302/0x350 [ 31.152688][ T294] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 31.152770][ T294] ? linkwatch_fire_event+0x212/0x260 [ 31.152851][ T294] __tun_detach+0xc98/0x1450 [ 31.152912][ T294] ? __cfi_tun_chr_close+0x10/0x10 [ 31.152969][ T294] tun_chr_close+0x93/0x150 [ 31.153022][ T294] __fput+0x20b/0xa30 [ 31.153102][ T294] ____fput+0x20/0x30 [ 31.153168][ T294] task_work_run+0x1e8/0x260 [ 31.153238][ T294] ? __cfi_task_work_run+0x10/0x10 [ 31.153323][ T294] ? free_nsproxy+0x223/0x290 [ 31.153434][ T294] do_exit+0xa46/0x2850 [ 31.153507][ T294] ? __cfi_do_exit+0x10/0x10 [ 31.153588][ T294] ? __kasan_check_write+0x18/0x20 [ 31.153643][ T294] ? _raw_spin_lock_irq+0x93/0x120 [ 31.153699][ T294] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.153757][ T294] ? __cfi_ksys_write+0x10/0x10 [ 31.153816][ T294] ? zap_other_threads+0x32f/0x370 [ 31.153875][ T294] do_group_exit+0x21f/0x2f0 [ 31.153949][ T294] __x64_sys_exit_group+0x43/0x50 [ 31.154042][ T294] x64_sys_call+0x2ed2/0x2ee0 [ 31.154086][ T294] do_syscall_64+0x57/0xf0 [ 31.154142][ T294] ? clear_bhb_loop+0x50/0xa0 [ 31.154221][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.154308][ T294] RIP: 0033:0x7eff0499de99 [ 31.154357][ T294] Code: Unable to access opcode bytes at 0x7eff0499de6f. [ 31.154398][ T294] RSP: 002b:00007ffe6ba577f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.154456][ T294] RAX: ffffffffffffffda RBX: 00007eff04a33316 RCX: 00007eff0499de99 [ 31.154514][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 31.154538][ T294] RBP: 000000000000000c R08: 0000000000000000 R09: 00007eff04a3330a [ 31.154571][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6ba58a50 [ 31.154598][ T294] R13: 00007eff04a3330a R14: 00000000000075e8 R15: 00007ffe6ba58a90 [ 31.154646][ T294] [ 31.156782][ T385] (UME) [ 31.172800][ T389] FAULT_INJECTION: forcing a failure. [ 31.172800][ T389] name failslab, interval 1, probability 10, space 0, times 90 [ 31.175734][ T294] FAULT_INJECTION: forcing a failure. [ 31.175734][ T294] name failslab, interval 1, probability 10, space 0, times 89 [ 31.181163][ T313] CPU: 1 UID: 0 PID: 313 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.181294][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.181333][ T313] Call Trace: [ 31.181352][ T313] [ 31.181367][ T313] __dump_stack+0x21/0x30 [ 31.181455][ T313] dump_stack_lvl+0x140/0x1c0 [ 31.181534][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.181613][ T313] ? cred_has_capability+0x296/0x3a0 [ 31.181675][ T313] dump_stack+0x19/0x20 [ 31.181745][ T313] should_fail_ex+0x3c2/0x510 [ 31.181815][ T313] should_failslab+0xac/0x100 [ 31.181886][ T313] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.181947][ T313] ? __alloc_skb+0x10c/0x360 [ 31.182047][ T313] ? selinux_capable+0x38/0x50 [ 31.182120][ T313] __alloc_skb+0x10c/0x360 [ 31.182193][ T313] netlink_alloc_large_skb+0xf7/0x1b0 [ 31.182277][ T313] netlink_sendmsg+0x576/0xad0 [ 31.182335][ T313] ? __cfi_netlink_sendmsg+0x10/0x10 [ 31.182395][ T313] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 31.182456][ T313] ? security_socket_sendmsg+0x3d/0x100 [ 31.182528][ T313] ____sys_sendmsg+0x9a1/0xa00 [ 31.182590][ T313] ? __import_iovec+0x3fa/0x7d0 [ 31.182697][ T313] ? __sys_sendmsg_sock+0x50/0x50 [ 31.182768][ T313] ? import_iovec+0x80/0xb0 [ 31.182849][ T313] ___sys_sendmsg+0x2a6/0x370 [ 31.182908][ T313] ? __sys_sendmsg+0x2a0/0x2a0 [ 31.182979][ T313] ? putname+0x113/0x150 [ 31.183040][ T313] ? __kasan_check_read+0x15/0x20 [ 31.183093][ T313] __x64_sys_sendmsg+0x206/0x2e0 [ 31.183154][ T313] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 31.183209][ T313] ? __kasan_check_read+0x15/0x20 [ 31.183262][ T313] x64_sys_call+0x2a4c/0x2ee0 [ 31.183308][ T313] do_syscall_64+0x57/0xf0 [ 31.183367][ T313] ? clear_bhb_loop+0x50/0xa0 [ 31.183438][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.183503][ T313] RIP: 0033:0x7fdafc0a7407 [ 31.183552][ 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 [ 31.183609][ T313] RSP: 002b:00007ffc16383d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.183663][ T313] RAX: ffffffffffffffda RBX: 00007fdafc89d880 RCX: 00007fdafc0a7407 [ 31.183710][ T313] RDX: 0000000000000000 RSI: 00007ffc16383d90 RDI: 000000000000000c [ 31.183750][ T313] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.183791][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000076 [ 31.183830][ T313] R13: 000056396de305a0 R14: 0000000000000000 R15: 0000000000000000 [ 31.183881][ T313] [ 31.184092][ T313] udevd[313]: failed to send result of seq 4021 to main daemon: No buffer space available [ 31.189192][ T385] 4*1024kB [ 31.196405][ T389] CPU: 1 UID: 0 PID: 389 Comm: syz.2.27 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.196495][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.196536][ T389] Call Trace: [ 31.196550][ T389] [ 31.196578][ T389] __dump_stack+0x21/0x30 [ 31.196670][ T389] dump_stack_lvl+0x140/0x1c0 [ 31.196752][ T389] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.196844][ T389] dump_stack+0x19/0x20 [ 31.196924][ T389] should_fail_ex+0x3c2/0x510 [ 31.196994][ T389] should_failslab+0xac/0x100 [ 31.197059][ T389] kmem_cache_alloc_noprof+0x42/0x410 [ 31.197121][ T389] ? getname_flags+0xcc/0x6b0 [ 31.197193][ T389] getname_flags+0xcc/0x6b0 [ 31.197255][ T389] ? memdup_user+0xb1/0x170 [ 31.197349][ T389] user_path_at+0x2b/0x60 [ 31.197423][ T389] __se_sys_mount+0x28a/0x480 [ 31.197493][ T389] ? __x64_sys_mount+0xf0/0xf0 [ 31.197555][ T389] ? __kasan_check_write+0x18/0x20 [ 31.197641][ T389] ? fpregs_restore_userregs+0x11c/0x260 [ 31.197745][ T389] __x64_sys_mount+0xc3/0xf0 [ 31.197829][ T389] x64_sys_call+0x2021/0x2ee0 [ 31.197883][ T389] do_syscall_64+0x57/0xf0 [ 31.197967][ T389] ? clear_bhb_loop+0x50/0xa0 [ 31.198048][ T389] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.198121][ T389] RIP: 0033:0x7f4a8899de99 [ 31.198165][ T389] 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 [ 31.198218][ T389] RSP: 002b:00007f4a8985a028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 31.198281][ T389] RAX: ffffffffffffffda RBX: 00007f4a88c25fa0 RCX: 00007f4a8899de99 [ 31.198325][ T389] RDX: 0000200000000400 RSI: 0000000000000000 RDI: 0000200000000040 [ 31.198374][ T389] RBP: 00007f4a88a33eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.198414][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.198453][ T389] R13: 00007f4a88c26038 R14: 00007f4a88c25fa0 R15: 00007ffed89fb108 [ 31.198512][ T389] [ 31.203827][ T382] Could not update object reference count [ 31.210828][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.210863][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.210878][ T294] Call Trace: [ 31.210886][ T294] [ 31.210896][ T294] __dump_stack+0x21/0x30 [ 31.210930][ T294] dump_stack_lvl+0x140/0x1c0 [ 31.210961][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.210995][ T294] dump_stack+0x19/0x20 [ 31.211036][ T294] should_fail_ex+0x3c2/0x510 [ 31.211063][ T294] ? kobject_get_path+0xc3/0x2d0 [ 31.211141][ T294] should_failslab+0xac/0x100 [ 31.211239][ T294] __kmalloc_noprof+0x69/0x510 [ 31.211303][ T294] ? kasan_save_alloc_info+0x3a/0x50 [ 31.211387][ T294] ? kobject_get_path+0xc3/0x2d0 [ 31.211448][ T294] ? __kasan_kmalloc+0x96/0xb0 [ 31.211522][ T294] kobject_get_path+0xc3/0x2d0 [ 31.211586][ T294] kobject_uevent_env+0x2bc/0x7e0 [ 31.211665][ T294] ? __dev_fwnode+0x54/0x90 [ 31.211739][ T294] kobject_uevent+0x21/0x40 [ 31.211809][ T294] device_del+0xb7f/0xcf0 [ 31.211889][ T294] ? __kasan_check_write+0x18/0x20 [ 31.211951][ T294] ? __cfi_device_del+0x10/0x10 [ 31.212033][ T294] ? __cfi_kset_release+0x10/0x10 [ 31.212099][ T294] ? pm_runtime_set_memalloc_noio+0x211/0x270 [ 31.212184][ T294] netdev_unregister_kobject+0x176/0x260 [ 31.212248][ T294] unregister_netdevice_many_notify+0x1678/0x1be0 [ 31.212339][ T294] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 31.212419][ T294] ? __queue_delayed_work+0x18e/0x240 [ 31.212518][ T294] ? __kasan_check_read+0x15/0x20 [ 31.212587][ T294] unregister_netdevice_queue+0x302/0x350 [ 31.212687][ T294] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 31.212765][ T294] ? linkwatch_fire_event+0x212/0x260 [ 31.212849][ T294] __tun_detach+0xc98/0x1450 [ 31.212913][ T294] ? __cfi_tun_chr_close+0x10/0x10 [ 31.212973][ T294] tun_chr_close+0x93/0x150 [ 31.213025][ T294] __fput+0x20b/0xa30 [ 31.213122][ T294] ____fput+0x20/0x30 [ 31.213186][ T294] task_work_run+0x1e8/0x260 [ 31.213264][ T294] ? __cfi_task_work_run+0x10/0x10 [ 31.213342][ T294] ? free_nsproxy+0x223/0x290 [ 31.213423][ T294] do_exit+0xa46/0x2850 [ 31.213495][ T294] ? __cfi_do_exit+0x10/0x10 [ 31.213566][ T294] ? __kasan_check_write+0x18/0x20 [ 31.213624][ T294] ? _raw_spin_lock_irq+0x93/0x120 [ 31.213685][ T294] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.213747][ T294] ? __cfi_ksys_write+0x10/0x10 [ 31.213794][ T294] ? zap_other_threads+0x32f/0x370 [ 31.213863][ T294] do_group_exit+0x21f/0x2f0 [ 31.213947][ T294] __x64_sys_exit_group+0x43/0x50 [ 31.214047][ T294] x64_sys_call+0x2ed2/0x2ee0 [ 31.214107][ T294] do_syscall_64+0x57/0xf0 [ 31.214170][ T294] ? clear_bhb_loop+0x50/0xa0 [ 31.214242][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.214322][ T294] RIP: 0033:0x7eff0499de99 [ 31.214371][ T294] Code: Unable to access opcode bytes at 0x7eff0499de6f. [ 31.214402][ T294] RSP: 002b:00007ffe6ba577f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.214462][ T294] RAX: ffffffffffffffda RBX: 00007eff04a33316 RCX: 00007eff0499de99 [ 31.214504][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 31.214541][ T294] RBP: 000000000000000c R08: 0000000000000000 R09: 00007eff04a3330a [ 31.214581][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6ba58a50 [ 31.214614][ T294] R13: 00007eff04a3330a R14: 00000000000075e8 R15: 00007ffe6ba58a90 [ 31.214663][ T294] [ 31.214963][ T385] (UM) [ 31.222669][ T389] FAULT_INJECTION: forcing a failure. [ 31.222669][ T389] name failslab, interval 1, probability 10, space 0, times 84 [ 31.231131][ T385] 7*2048kB [ 31.239738][ T382] (20240827/utdelete-651) [ 31.255749][ T385] (UME) [ 31.263861][ T389] CPU: 1 UID: 0 PID: 389 Comm: syz.2.27 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.263948][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.263987][ T389] Call Trace: [ 31.264007][ T389] [ 31.264028][ T389] __dump_stack+0x21/0x30 [ 31.264129][ T389] dump_stack_lvl+0x140/0x1c0 [ 31.264213][ T389] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.264296][ T389] dump_stack+0x19/0x20 [ 31.264385][ T389] should_fail_ex+0x3c2/0x510 [ 31.264444][ T389] should_failslab+0xac/0x100 [ 31.264515][ T389] kmem_cache_alloc_noprof+0x42/0x410 [ 31.264600][ T389] ? alloc_empty_file+0xbf/0x270 [ 31.264672][ T389] ? _raw_spin_unlock+0x45/0x60 [ 31.264762][ T389] alloc_empty_file+0xbf/0x270 [ 31.264828][ T389] ? _raw_spin_unlock+0x45/0x60 [ 31.264890][ T389] alloc_file_pseudo+0x142/0x1f0 [ 31.264958][ T389] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 31.265027][ T389] sock_alloc_file+0xbe/0x2b0 [ 31.265094][ T389] __sys_socket+0x14c/0x1c0 [ 31.265196][ T389] __x64_sys_socket+0x7e/0x90 [ 31.265281][ T389] x64_sys_call+0x2608/0x2ee0 [ 31.265329][ T389] do_syscall_64+0x57/0xf0 [ 31.265386][ T389] ? clear_bhb_loop+0x50/0xa0 [ 31.265454][ T389] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.265526][ T389] RIP: 0033:0x7f4a8899de99 [ 31.265574][ T389] 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 [ 31.265628][ T389] RSP: 002b:00007f4a8985a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 31.265685][ T389] RAX: ffffffffffffffda RBX: 00007f4a88c25fa0 RCX: 00007f4a8899de99 [ 31.265725][ T389] RDX: 0000000000000006 RSI: 0000000000000003 RDI: 0000000000000010 [ 31.265764][ T389] RBP: 00007f4a88a33eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.265804][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.265842][ T389] R13: 00007f4a88c26038 R14: 00007f4a88c25fa0 R15: 00007ffed89fb108 [ 31.265888][ T389] [ 31.273983][ T366] FAULT_INJECTION: forcing a failure. [ 31.273983][ T366] name failslab, interval 1, probability 10, space 0, times 83 [ 31.280040][ T385] 767*4096kB [ 31.287287][ C1] FAULT_INJECTION: forcing a failure. [ 31.287287][ C1] name failslab, interval 1, probability 10, space 0, times 83 [ 31.287316][ C1] CPU: 1 UID: 0 PID: 366 Comm: kworker/1:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.287344][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.287360][ C1] Workqueue: usb_hub_wq hub_event [ 31.287392][ C1] Call Trace: [ 31.287384][ C0] FAULT_INJECTION: forcing a failure. [ 31.287384][ C0] name failslab, interval 1, probability 10, space 0, times 83 [ 31.287400][ C1] [ 31.287408][ C1] __dump_stack+0x21/0x30 [ 31.287437][ C1] dump_stack_lvl+0x140/0x1c0 [ 31.287463][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.287490][ C1] ? ref_tracker_alloc+0x356/0x5b0 [ 31.287515][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 31.287538][ C1] ? dst_alloc+0x163/0x240 [ 31.287559][ C1] dump_stack+0x19/0x20 [ 31.287584][ C1] should_fail_ex+0x3c2/0x510 [ 31.287606][ C1] should_failslab+0xac/0x100 [ 31.287630][ C1] __kmalloc_cache_noprof+0x41/0x470 [ 31.287650][ C1] ? dst_cow_metrics_generic+0x65/0x2a0 [ 31.287671][ C1] ? dst_init+0x329/0x430 [ 31.287691][ C1] dst_cow_metrics_generic+0x65/0x2a0 [ 31.287712][ C1] icmp6_dst_alloc+0x310/0x4f0 [ 31.287742][ C1] ndisc_send_skb+0x2a6/0xca0 [ 31.287767][ C1] ? should_fail_ex+0x201/0x510 [ 31.287787][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.287805][ C1] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 31.287825][ C1] ? kmalloc_reserve+0xcf/0x4f0 [ 31.287852][ C1] ? __asan_memcpy+0x5a/0x80 [ 31.287871][ C1] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.287890][ C1] ndisc_send_rs+0x675/0x880 [ 31.287909][ C1] addrconf_rs_timer+0x362/0x620 [ 31.287931][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.287953][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 31.287974][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.287996][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.288017][ C1] call_timer_fn+0x4c/0x300 [ 31.288043][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.288065][ C1] __run_timer_base+0x6c0/0x9b0 [ 31.288090][ C1] ? timer_expire_remote+0xa0/0xa0 [ 31.288113][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 31.288152][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 31.288178][ C1] run_timer_softirq+0x35/0x70 [ 31.288217][ C1] handle_softirqs+0x1aa/0x620 [ 31.288238][ C1] __irq_exit_rcu+0x47/0xb0 [ 31.288258][ C1] irq_exit_rcu+0xd/0x30 [ 31.288275][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 31.288314][ C1] [ 31.288320][ C1] [ 31.288327][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.288351][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 31.288377][ C1] 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 [ 31.288392][ C1] RSP: 0000:ffffc9000b8ff100 EFLAGS: 00000246 [ 31.288408][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000100000 [ 31.288422][ C1] RDX: ffffc9000b921000 RSI: 00000000000fffff RDI: 0000000000100000 [ 31.288435][ C1] RBP: ffffc9000b8ff230 R08: 0000000000000003 R09: 0000000000000004 [ 31.288446][ C1] R10: dffffc0000000000 R11: fffff5200171fe10 R12: dffffc0000000000 [ 31.288460][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 31.288475][ C1] ? console_flush_all+0x6f8/0xab0 [ 31.288502][ C1] ? __console_rewind_all+0x170/0x170 [ 31.288526][ C1] ? __kasan_check_read+0x15/0x20 [ 31.288543][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 31.288589][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 31.288608][ C1] console_unlock+0xf8/0x2c0 [ 31.288631][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 31.288654][ C1] ? __cfi_console_unlock+0x10/0x10 [ 31.288677][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.288704][ C1] ? vprintk_emit+0x53f/0x650 [ 31.288728][ C1] vprintk_emit+0x282/0x650 [ 31.288758][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 31.288782][ C1] ? kasan_save_track+0x4f/0x80 [ 31.288802][ C1] ? kasan_save_track+0x3e/0x80 [ 31.288822][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 31.288849][ C1] ? __kmalloc_cache_noprof+0x23c/0x470 [ 31.288870][ C1] vprintk_default+0x2a/0x40 [ 31.288893][ C1] vprintk+0x93/0xa0 [ 31.288910][ C1] _printk+0xde/0x140 [ 31.288933][ C1] ? __cfi__printk+0x10/0x10 [ 31.288958][ C1] should_fail_ex+0x3a4/0x510 [ 31.288978][ C1] ? usb_alloc_urb+0x5f/0x1f0 [ 31.288997][ C1] should_failslab+0xac/0x100 [ 31.289019][ C1] __kmalloc_noprof+0x69/0x510 [ 31.289038][ C1] ? __kasan_kmalloc+0x96/0xb0 [ 31.289060][ C1] ? usb_alloc_urb+0x5f/0x1f0 [ 31.289079][ C1] usb_alloc_urb+0x5f/0x1f0 [ 31.289097][ C1] usb_control_msg+0x12f/0x490 [ 31.289119][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 31.289143][ C1] ? schedule_timeout+0x206/0x3b0 [ 31.289162][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 31.289181][ C1] hub_ext_port_status+0x10d/0x830 [ 31.289205][ C1] hub_port_reset+0x661/0x1690 [ 31.289232][ C1] hub_port_init+0x285/0x2810 [ 31.289260][ C1] ? preempt_schedule+0xc5/0xe0 [ 31.289285][ C1] ? __cfi_preempt_schedule+0x10/0x10 [ 31.289309][ C1] ? mutex_unlock+0x90/0x240 [ 31.289336][ C1] hub_event+0x2408/0x4360 [ 31.289369][ C1] ? __cfi_hub_event+0x10/0x10 [ 31.289412][ C1] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.289431][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 31.289453][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.289475][ C1] ? kick_pool+0xb9/0x540 [ 31.289498][ C1] process_scheduled_works+0x7f7/0x1060 [ 31.289522][ C1] worker_thread+0xc99/0x13f0 [ 31.289543][ C1] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.289565][ C1] ? __kasan_check_read+0x15/0x20 [ 31.289585][ C1] kthread+0x2c7/0x360 [ 31.289606][ C1] ? __cfi_worker_thread+0x10/0x10 [ 31.289626][ C1] ? __cfi_kthread+0x10/0x10 [ 31.289648][ C1] ret_from_fork+0x67/0xa0 [ 31.289676][ C1] ? __cfi_kthread+0x10/0x10 [ 31.289697][ C1] ret_from_fork_asm+0x1a/0x30 [ 31.289716][ C1] [ 31.289725][ C0] CPU: 0 UID: 0 PID: 385 Comm: syz.0.24 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.289752][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.289766][ C0] Call Trace: [ 31.289773][ C0] [ 31.289781][ C0] __dump_stack+0x21/0x30 [ 31.289814][ C0] dump_stack_lvl+0x140/0x1c0 [ 31.289843][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.289874][ C0] ? ref_tracker_alloc+0x356/0x5b0 [ 31.289902][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 31.289930][ C0] ? dst_alloc+0x163/0x240 [ 31.289954][ C0] dump_stack+0x19/0x20 [ 31.289984][ C0] should_fail_ex+0x3c2/0x510 [ 31.290007][ C0] should_failslab+0xac/0x100 [ 31.290031][ C0] __kmalloc_cache_noprof+0x41/0x470 [ 31.290053][ C0] ? dst_cow_metrics_generic+0x65/0x2a0 [ 31.290076][ C0] ? dst_init+0x329/0x430 [ 31.290104][ C0] dst_cow_metrics_generic+0x65/0x2a0 [ 31.290115][ C1] FAULT_INJECTION: forcing a failure. [ 31.290115][ C1] name failslab, interval 1, probability 10, space 0, times 79 [ 31.290130][ C0] icmp6_dst_alloc+0x310/0x4f0 [ 31.290174][ C0] ndisc_send_skb+0x2a6/0xca0 [ 31.290192][ C0] ? should_fail_ex+0x201/0x510 [ 31.290213][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.290232][ C0] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 31.290258][ C0] ? kmalloc_reserve+0xcf/0x4f0 [ 31.290285][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.290303][ C0] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.290323][ C0] ndisc_send_rs+0x675/0x880 [ 31.290342][ C0] addrconf_rs_timer+0x362/0x620 [ 31.290365][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.290387][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 31.290408][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.290429][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.290451][ C0] call_timer_fn+0x4c/0x300 [ 31.290475][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.290498][ C0] __run_timer_base+0x6c0/0x9b0 [ 31.290533][ C0] ? timer_expire_remote+0xa0/0xa0 [ 31.290555][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 31.290593][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 31.290616][ C0] run_timer_softirq+0x35/0x70 [ 31.290637][ C0] handle_softirqs+0x1aa/0x620 [ 31.290655][ C0] __irq_exit_rcu+0x47/0xb0 [ 31.290671][ C0] irq_exit_rcu+0xd/0x30 [ 31.290686][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 31.290710][ C0] [ 31.290716][ C0] [ 31.290722][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.290745][ C0] RIP: 0010:vprintk_emit+0x547/0x650 [ 31.290769][ C0] Code: 81 e6 00 02 00 00 31 ff e8 c6 c5 1e 00 48 81 e3 00 02 00 00 75 07 e8 d8 c0 1e 00 eb 06 e8 d1 c0 1e 00 fb c6 05 49 ea 54 07 00 31 fd ff ff e8 bf c0 1e 00 e9 94 fe ff ff 41 ff ce bf 58 89 41 [ 31.290783][ C0] RSP: 0018:ffffc9000b7a73c0 EFLAGS: 00000246 [ 31.290797][ C0] RAX: ffffffff8168b0ef RBX: 0000000000000200 RCX: 0000000000080000 [ 31.290809][ C0] RDX: ffffc90001651000 RSI: 000000000007ffff RDI: 0000000000080000 [ 31.290820][ C0] RBP: ffffc9000b7a7488 R08: 0000000000000003 R09: 0000000000000004 [ 31.290831][ C0] R10: dffffc0000000000 R11: fffff520016f4e68 R12: 1ffff920016f4e7c [ 31.290844][ C0] R13: 000000000000000b R14: 0000000000000000 R15: dffffc0000000000 [ 31.290857][ C0] ? vprintk_emit+0x53f/0x650 [ 31.290879][ C0] ? __cfi_vprintk_emit+0x10/0x10 [ 31.290900][ C0] ? vprintk_default+0x2a/0x40 [ 31.290921][ C0] ? vprintk+0x93/0xa0 [ 31.290936][ C0] vprintk_default+0x2a/0x40 [ 31.290957][ C0] vprintk+0x93/0xa0 [ 31.290971][ C0] _printk+0xde/0x140 [ 31.290991][ C0] ? __cfi__printk+0x10/0x10 [ 31.291012][ C0] ? __show_mem+0x1a04/0x2980 [ 31.291035][ C0] __show_mem+0x1f1c/0x2980 [ 31.291059][ C0] ? __cfi___show_mem+0x10/0x10 [ 31.291081][ C0] ? __cfi__printk+0x10/0x10 [ 31.291101][ C0] ? preempt_schedule_irq+0xab/0x110 [ 31.291122][ C0] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 31.291143][ C0] ? kernel_text_address+0xa9/0xe0 [ 31.291165][ C0] ? __show_trace_log_lvl+0x334/0x420 [ 31.291185][ C0] ? raw_irqentry_exit_cond_resched+0x32/0x40 [ 31.291202][ C0] ? irqentry_exit+0x4a/0x60 [ 31.291228][ C0] warn_alloc_show_mem+0x150/0x270 [ 31.291307][ C0] ? warn_alloc+0x2c0/0x2c0 [ 31.291342][ C0] warn_alloc+0x1f3/0x2c0 [ 31.291365][ C0] ? __kasan_check_write+0x18/0x20 [ 31.291383][ C0] ? __cfi_warn_alloc+0x10/0x10 [ 31.291406][ C0] ? __kasan_kmalloc+0x28/0xb0 [ 31.291426][ C0] ? __kmalloc_node_noprof+0x252/0x500 [ 31.291445][ C0] ? __vmalloc_node_range_noprof+0x529/0x1300 [ 31.291471][ C0] __vmalloc_node_range_noprof+0x65f/0x1300 [ 31.291497][ C0] ? number+0xc9d/0xf00 [ 31.291518][ C0] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 31.291544][ C0] ? vsnprintf+0x19ef/0x1ad0 [ 31.291561][ C0] ? kvm_dev_ioctl+0x12a/0x14c0 [ 31.291588][ C0] __vmalloc_noprof+0x104/0x1d0 [ 31.291612][ C0] ? kvm_dev_ioctl+0x12a/0x14c0 [ 31.291654][ C0] ? alloc_fd+0x4c1/0x570 [ 31.291673][ C0] ? __cfi___vmalloc_noprof+0x10/0x10 [ 31.291701][ C0] kvm_dev_ioctl+0x12a/0x14c0 [ 31.291727][ C0] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 31.291755][ C0] ? bpf_lsm_file_ioctl+0xd/0x20 [ 31.291778][ C0] ? security_file_ioctl+0x3e/0x110 [ 31.291806][ C0] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 31.291832][ C0] __se_sys_ioctl+0x132/0x1b0 [ 31.291854][ C0] __x64_sys_ioctl+0x7f/0xa0 [ 31.291875][ C0] x64_sys_call+0x1878/0x2ee0 [ 31.291891][ C0] do_syscall_64+0x57/0xf0 [ 31.291910][ C0] ? clear_bhb_loop+0x50/0xa0 [ 31.291934][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.291957][ C0] RIP: 0033:0x7eff4a99de99 [ 31.291972][ C0] 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 [ 31.291989][ C0] RSP: 002b:00007eff4b945028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.292008][ C0] RAX: ffffffffffffffda RBX: 00007eff4ac25fa0 RCX: 00007eff4a99de99 [ 31.292022][ C0] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 [ 31.292034][ C0] RBP: 00007eff4aa33eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.292045][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.292057][ C0] R13: 00007eff4ac26038 R14: 00007eff4ac25fa0 R15: 00007ffceddde648 [ 31.292072][ C0] [ 31.292081][ C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.292107][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.292119][ C1] Call Trace: [ 31.292125][ C1] [ 31.292133][ C1] __dump_stack+0x21/0x30 [ 31.292165][ C1] dump_stack_lvl+0x140/0x1c0 [ 31.292196][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.292228][ C1] dump_stack+0x19/0x20 [ 31.292255][ C1] should_fail_ex+0x3c2/0x510 [ 31.292279][ C1] should_failslab+0xac/0x100 [ 31.292306][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 31.292328][ C1] ? skb_clone+0x21d/0x470 [ 31.292384][ C1] ? __cfi_br_multicast_count+0x10/0x10 [ 31.292484][ C1] skb_clone+0x21d/0x470 [ 31.292536][ C1] br_flood+0x650/0x720 [ 31.292593][ C1] br_handle_frame_finish+0x1157/0x1620 [ 31.292659][ C1] ? __cfi_br_handle_frame_finish+0x10/0x10 [ 31.292724][ C1] br_handle_frame+0x5a5/0xba0 [ 31.292791][ C1] ? __cfi_br_handle_frame+0x10/0x10 [ 31.292846][ C1] __netif_receive_skb_core+0xfc1/0x3a70 [ 31.292932][ C1] ? __kfree_skb+0x18f/0x210 [ 31.292994][ C1] ? ip6_mc_input+0x433/0x680 [ 31.293067][ C1] ? ip6_mc_input+0x433/0x680 [ 31.293126][ C1] ? __cfi_ip6_mc_input+0x10/0x10 [ 31.293184][ C1] ? qdisc_run_end+0x120/0x120 [ 31.293242][ C1] ? __cfi_ip6_mc_input+0x10/0x10 [ 31.293304][ C1] ? ip6_rcv_finish+0x341/0x3c0 [ 31.293365][ C1] ? ipv6_rcv+0xf1/0x240 [ 31.293434][ C1] ? __cfi_ipv6_rcv+0x10/0x10 [ 31.293504][ C1] ? __cfi_ip6_rcv_finish+0x10/0x10 [ 31.293570][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.293645][ C1] process_backlog+0x40b/0xaf0 [ 31.293713][ C1] ? __switch_to+0xc6b/0x1320 [ 31.293797][ C1] __napi_poll+0xcd/0x600 [ 31.293892][ C1] net_rx_action+0x5dc/0xd70 [ 31.293980][ C1] ? __cfi_net_rx_action+0x10/0x10 [ 31.294048][ C1] ? sched_clock_cpu+0x75/0x400 [ 31.294123][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 31.294194][ C1] handle_softirqs+0x1aa/0x620 [ 31.294246][ C1] run_ksoftirqd+0x20/0x30 [ 31.294304][ C1] smpboot_thread_fn+0x483/0x8b0 [ 31.294389][ C1] kthread+0x2c7/0x360 [ 31.294437][ C1] ? __cfi_smpboot_thread_fn+0x10/0x10 [ 31.294512][ C1] ? __cfi_kthread+0x10/0x10 [ 31.294567][ C1] ret_from_fork+0x67/0xa0 [ 31.294629][ C1] ? __cfi_kthread+0x10/0x10 [ 31.294684][ C1] ret_from_fork_asm+0x1a/0x30 [ 31.294739][ C1] [ 31.311469][ T366] CPU: 1 UID: 0 PID: 366 Comm: kworker/1:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.311560][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.311601][ T366] Workqueue: usb_hub_wq hub_event [ 31.311691][ T366] Call Trace: [ 31.311711][ T366] [ 31.311732][ T366] __dump_stack+0x21/0x30 [ 31.311834][ T366] dump_stack_lvl+0x140/0x1c0 [ 31.311909][ T366] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.311990][ T366] dump_stack+0x19/0x20 [ 31.312061][ T366] should_fail_ex+0x3c2/0x510 [ 31.312121][ T366] ? usb_alloc_urb+0x5f/0x1f0 [ 31.312176][ T366] should_failslab+0xac/0x100 [ 31.312244][ T366] __kmalloc_noprof+0x69/0x510 [ 31.312289][ T366] ? __kasan_kmalloc+0x96/0xb0 [ 31.312353][ T366] ? usb_alloc_urb+0x5f/0x1f0 [ 31.312409][ T366] usb_alloc_urb+0x5f/0x1f0 [ 31.312464][ T366] usb_control_msg+0x12f/0x490 [ 31.312545][ T366] ? __cfi_mutex_lock+0x10/0x10 [ 31.312622][ T366] ? schedule_timeout+0x206/0x3b0 [ 31.312679][ T366] ? __cfi_schedule_timeout+0x10/0x10 [ 31.312736][ T366] hub_ext_port_status+0x10d/0x830 [ 31.312811][ T366] hub_port_reset+0x661/0x1690 [ 31.312887][ T366] hub_port_init+0x285/0x2810 [ 31.312962][ T366] ? preempt_schedule+0xc5/0xe0 [ 31.313029][ T366] ? __cfi_preempt_schedule+0x10/0x10 [ 31.313097][ T366] ? mutex_unlock+0x90/0x240 [ 31.313184][ T366] hub_event+0x2408/0x4360 [ 31.313287][ T366] ? __cfi_hub_event+0x10/0x10 [ 31.313358][ T366] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.313418][ T366] ? _raw_spin_lock_irq+0x93/0x120 [ 31.313487][ T366] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.313549][ T366] ? kick_pool+0xb9/0x540 [ 31.313618][ T366] process_scheduled_works+0x7f7/0x1060 [ 31.313700][ T366] worker_thread+0xc99/0x13f0 [ 31.313787][ T366] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.313856][ T366] ? __kasan_check_read+0x15/0x20 [ 31.313941][ T366] kthread+0x2c7/0x360 [ 31.314032][ T366] ? __cfi_worker_thread+0x10/0x10 [ 31.314088][ T366] ? __cfi_kthread+0x10/0x10 [ 31.314141][ T366] ret_from_fork+0x67/0xa0 [ 31.314241][ T366] ? __cfi_kthread+0x10/0x10 [ 31.314278][ T366] ret_from_fork_asm+0x1a/0x30 [ 31.314365][ T366] [ 31.315096][ T366] hub 3-0:1.0: hub_ext_port_status failed (err = -12) [ 31.344236][ T385] (M) [ 31.346857][ T300] FAULT_INJECTION: forcing a failure. [ 31.346857][ T300] name failslab, interval 1, probability 10, space 0, times 67 [ 31.353938][ T385] = 3172504kB [ 31.357528][ T382] FAULT_INJECTION: forcing a failure. [ 31.357528][ T382] name failslab, interval 1, probability 10, space 0, times 67 [ 31.366609][ C0] FAULT_INJECTION: forcing a failure. [ 31.366609][ C0] name failslab, interval 1, probability 10, space 0, times 67 [ 31.371079][ C1] FAULT_INJECTION: forcing a failure. [ 31.371079][ C1] name failslab, interval 1, probability 10, space 0, times 67 [ 31.375597][ C0] CPU: 0 UID: 0 PID: 291 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.375666][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.375706][ C0] Call Trace: [ 31.375732][ C0] [ 31.375761][ C0] __dump_stack+0x21/0x30 [ 31.375846][ C0] dump_stack_lvl+0x140/0x1c0 [ 31.375907][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.375976][ C0] ? kasan_save_track+0x4f/0x80 [ 31.376031][ C0] dump_stack+0x19/0x20 [ 31.376095][ C0] should_fail_ex+0x3c2/0x510 [ 31.376151][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.376212][ C0] should_failslab+0xac/0x100 [ 31.376285][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 31.376333][ C0] ? ____fput+0x20/0x30 [ 31.376395][ C0] ? task_work_run+0x1e8/0x260 [ 31.376458][ C0] ? dst_alloc+0x13c/0x240 [ 31.376520][ C0] ? __x64_sys_exit_group+0x43/0x50 [ 31.376588][ C0] ? x64_sys_call+0x2ed2/0x2ee0 [ 31.376642][ C0] ? do_syscall_64+0x57/0xf0 [ 31.376699][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.376755][ C0] dst_alloc+0x13c/0x240 [ 31.376817][ C0] icmp6_dst_alloc+0xef/0x4f0 [ 31.376917][ C0] ndisc_send_skb+0x2a6/0xca0 [ 31.376955][ C0] ? should_fail_ex+0x201/0x510 [ 31.377033][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.377100][ C0] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 31.377179][ C0] ? kmalloc_reserve+0xcf/0x4f0 [ 31.377253][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.377309][ C0] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.377357][ C0] ndisc_send_rs+0x675/0x880 [ 31.377413][ C0] addrconf_rs_timer+0x362/0x620 [ 31.377476][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.377537][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.377610][ C0] call_timer_fn+0x4c/0x300 [ 31.377673][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.377731][ C0] __run_timer_base+0x6c0/0x9b0 [ 31.377801][ C0] ? timer_expire_remote+0xa0/0xa0 [ 31.377866][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 31.377929][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 31.377994][ C0] run_timer_softirq+0x35/0x70 [ 31.378053][ C0] handle_softirqs+0x1aa/0x620 [ 31.378111][ C0] __irq_exit_rcu+0x47/0xb0 [ 31.378154][ C0] irq_exit_rcu+0xd/0x30 [ 31.378202][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 31.378273][ C0] [ 31.378286][ C0] [ 31.378305][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.378372][ C0] RIP: 0010:unwind_next_frame+0xa/0x6b0 [ 31.378464][ C0] Code: 38 c1 7c 96 48 89 df e8 f4 a0 9b 00 eb 8c 66 90 b8 62 a4 91 9f 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 28 48 89 fb 49 be 00 00 00 00 00 fc [ 31.378520][ C0] RSP: 0018:ffffc9000162f670 EFLAGS: 00000202 [ 31.378590][ C0] RAX: 0000000000000001 RBX: ffffc9000162f740 RCX: 00000000002c5e00 [ 31.378639][ C0] RDX: dffffc0000000000 RSI: ffffffff81eb7170 RDI: ffffc9000162f688 [ 31.378680][ C0] RBP: ffffc9000162f678 R08: ffffc9000162f750 R09: ffffc9000162f748 [ 31.378722][ C0] R10: 0000000000000005 R11: ffffffff81759ed0 R12: ffff888106eba600 [ 31.378766][ C0] R13: 1ffff11020dd7580 R14: ffffffff81759ed0 R15: ffffc9000162f688 [ 31.378816][ C0] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.378886][ C0] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.378957][ C0] ? ____fput+0x20/0x30 [ 31.379029][ C0] arch_stack_walk+0x138/0x170 [ 31.379091][ C0] ? ____fput+0x20/0x30 [ 31.379164][ C0] stack_trace_save+0xaa/0x100 [ 31.379219][ C0] ? __cfi_stack_trace_save+0x10/0x10 [ 31.379287][ C0] ? stack_depot_save_flags+0x38/0x800 [ 31.379365][ C0] ? __asan_memset+0x39/0x50 [ 31.379448][ C0] save_stack+0x125/0x240 [ 31.379515][ C0] ? __reset_page_owner+0x450/0x450 [ 31.379588][ C0] ? rcu_read_unlock_special+0x150/0x420 [ 31.379683][ C0] ? free_unref_page+0xbb8/0xf70 [ 31.379760][ C0] ? __free_pages+0x6b/0x3b0 [ 31.379839][ C0] ? vfree+0x3ea/0x5b0 [ 31.379922][ C0] ? kcov_close+0x2c/0x70 [ 31.379981][ C0] ? __fput+0x20b/0xa30 [ 31.380059][ C0] ? ____fput+0x20/0x30 [ 31.380130][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 31.380210][ C0] __reset_page_owner+0x79/0x450 [ 31.380283][ C0] ? free_unref_page_commit+0x5a0/0xec0 [ 31.380365][ C0] free_unref_page+0xbb8/0xf70 [ 31.380444][ C0] ? __cfi_free_unref_page+0x10/0x10 [ 31.380473][ C0] ? insert_vmap_area+0x288/0x370 [ 31.380496][ C0] ? _raw_spin_unlock+0x45/0x60 [ 31.380521][ C0] ? free_vmap_area_noflush+0x23e/0x3c0 [ 31.380574][ C0] __free_pages+0x6b/0x3b0 [ 31.380690][ C0] vfree+0x3ea/0x5b0 [ 31.380759][ C0] ? __cfi_vfree+0x10/0x10 [ 31.380831][ C0] ? __cfi_kcov_close+0x10/0x10 [ 31.380887][ C0] kcov_close+0x2c/0x70 [ 31.380935][ C0] __fput+0x20b/0xa30 [ 31.381009][ C0] ____fput+0x20/0x30 [ 31.381069][ C0] task_work_run+0x1e8/0x260 [ 31.381136][ C0] ? __cfi_task_work_run+0x10/0x10 [ 31.381205][ C0] ? free_nsproxy+0x223/0x290 [ 31.381282][ C0] do_exit+0xa46/0x2850 [ 31.381355][ C0] ? __cfi_do_exit+0x10/0x10 [ 31.381413][ C0] ? __kasan_check_write+0x18/0x20 [ 31.381461][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 31.381518][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.381576][ C0] ? __cfi_ksys_write+0x10/0x10 [ 31.381633][ C0] ? zap_other_threads+0x32f/0x370 [ 31.381702][ C0] do_group_exit+0x21f/0x2f0 [ 31.381761][ C0] __x64_sys_exit_group+0x43/0x50 [ 31.381824][ C0] x64_sys_call+0x2ed2/0x2ee0 [ 31.381868][ C0] do_syscall_64+0x57/0xf0 [ 31.381920][ C0] ? clear_bhb_loop+0x50/0xa0 [ 31.381991][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.382081][ C0] RIP: 0033:0x7eff0499de99 [ 31.382123][ C0] Code: Unable to access opcode bytes at 0x7eff0499de6f. [ 31.382155][ C0] RSP: 002b:00007ffe6ba58bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.382232][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff0499de99 [ 31.382274][ C0] RDX: 00007eff049cb217 RSI: 0000000000000004 RDI: 0000000000000001 [ 31.382307][ C0] RBP: 00007eff04c267b8 R08: 0000000000000000 R09: 0000000000000003 [ 31.382347][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 31.382376][ C0] R13: 0000000000000003 R14: 00007ffe6ba58e38 R15: 0000000000000000 [ 31.382412][ C0] [ 31.382818][ C0] FAULT_INJECTION: forcing a failure. [ 31.382818][ C0] name failslab, interval 1, probability 10, space 0, times 65 [ 31.387989][ C1] CPU: 1 UID: 0 PID: 382 Comm: syz.3.23 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.388017][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.388045][ C1] Call Trace: [ 31.388090][ C1] [ 31.388113][ C1] __dump_stack+0x21/0x30 [ 31.388226][ C1] dump_stack_lvl+0x140/0x1c0 [ 31.388338][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.388416][ C1] ? calc_wheel_index+0x1b9/0x8f0 [ 31.388488][ C1] ? __kasan_check_write+0x18/0x20 [ 31.388546][ C1] dump_stack+0x19/0x20 [ 31.388610][ C1] should_fail_ex+0x3c2/0x510 [ 31.388670][ C1] should_failslab+0xac/0x100 [ 31.388748][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.388816][ C1] ? enqueue_timer+0x1c5/0x4b0 [ 31.388885][ C1] ? __alloc_skb+0x10c/0x360 [ 31.388963][ C1] __alloc_skb+0x10c/0x360 [ 31.389035][ C1] ndisc_send_rs+0x322/0x880 [ 31.389094][ C1] ? ipv6_get_lladdr+0x1c2/0x200 [ 31.389170][ C1] addrconf_rs_timer+0x362/0x620 [ 31.389245][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.389309][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 31.389370][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.389432][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.389514][ C1] call_timer_fn+0x4c/0x300 [ 31.389614][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.389686][ C1] __run_timer_base+0x6c0/0x9b0 [ 31.389777][ C1] ? timer_expire_remote+0xa0/0xa0 [ 31.389847][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 31.389934][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 31.390001][ C1] run_timer_softirq+0x35/0x70 [ 31.390067][ C1] handle_softirqs+0x1aa/0x620 [ 31.390123][ C1] __irq_exit_rcu+0x47/0xb0 [ 31.390179][ C1] irq_exit_rcu+0xd/0x30 [ 31.390231][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 31.390321][ C1] [ 31.390342][ C1] [ 31.390364][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.390437][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 31.390527][ C1] 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 [ 31.390578][ C1] RSP: 0018:ffffc9000c93efe0 EFLAGS: 00000246 [ 31.390630][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000080000 [ 31.390672][ C1] RDX: ffffc90001e53000 RSI: 000000000007ffff RDI: 0000000000080000 [ 31.390715][ C1] RBP: ffffc9000c93f110 R08: 0000000000000003 R09: 0000000000000004 [ 31.390760][ C1] R10: dffffc0000000000 R11: fffff52001927dec R12: dffffc0000000000 [ 31.390810][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 31.390854][ C1] ? console_flush_all+0x6f8/0xab0 [ 31.390957][ C1] ? console_flush_all+0x771/0xab0 [ 31.391060][ C1] ? __console_rewind_all+0x170/0x170 [ 31.391138][ C1] ? __kasan_check_read+0x15/0x20 [ 31.391191][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 31.391291][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 31.391351][ C1] console_unlock+0xf8/0x2c0 [ 31.391419][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 31.391486][ C1] ? __cfi_console_unlock+0x10/0x10 [ 31.391549][ C1] ? __kasan_check_write+0x18/0x20 [ 31.391607][ C1] ? _raw_spin_lock+0x92/0x120 [ 31.391667][ C1] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.391726][ C1] ? __kasan_check_read+0x15/0x20 [ 31.391789][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 31.391858][ C1] vprintk_emit+0x282/0x650 [ 31.391956][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 31.392032][ C1] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 31.392093][ C1] ? acpi_ut_create_update_state_and_push+0x2c/0x70 [ 31.392181][ C1] ? acpi_ut_update_object_reference+0x2b2/0x730 [ 31.392265][ C1] ? acpi_ut_remove_reference+0x87/0xb0 [ 31.392349][ C1] ? acpi_get_irq_routing_table+0xb8/0xe0 [ 31.392444][ C1] ? acpi_pci_irq_find_prt_entry+0x164/0x1010 [ 31.392521][ C1] ? acpi_pci_irq_lookup+0x44/0x5a0 [ 31.392578][ C1] ? pcibios_disable_device+0xc0/0x120 [ 31.392658][ C1] vprintk_default+0x2a/0x40 [ 31.392727][ C1] vprintk+0x93/0xa0 [ 31.392787][ C1] _printk+0xde/0x140 [ 31.392857][ C1] ? __cfi__printk+0x10/0x10 [ 31.392937][ C1] should_fail_ex+0x3a4/0x510 [ 31.392999][ C1] should_failslab+0xac/0x100 [ 31.393056][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 31.393116][ C1] ? acpi_ut_create_update_state+0xf2/0x2b0 [ 31.393176][ C1] acpi_ut_create_update_state+0xf2/0x2b0 [ 31.393228][ C1] ? __cfi_acpi_ut_create_update_state+0x10/0x10 [ 31.393274][ C1] ? acpi_ns_build_normalized_path+0x52e/0x5a0 [ 31.393362][ C1] acpi_ut_create_update_state_and_push+0x2c/0x70 [ 31.393442][ C1] acpi_ut_update_object_reference+0x2b2/0x730 [ 31.393512][ C1] ? __cfi_acpi_ut_update_object_reference+0x10/0x10 [ 31.393600][ C1] acpi_ut_remove_reference+0x87/0xb0 [ 31.393697][ C1] acpi_rs_get_prt_method_data+0xcd/0x110 [ 31.393795][ C1] ? __cfi_acpi_rs_get_prt_method_data+0x10/0x10 [ 31.393876][ C1] ? __kasan_check_write+0x18/0x20 [ 31.393936][ C1] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.394008][ C1] acpi_get_irq_routing_table+0xb8/0xe0 [ 31.394084][ C1] acpi_pci_irq_find_prt_entry+0x164/0x1010 [ 31.394158][ C1] ? acpi_pci_irq_lookup+0x5a0/0x5a0 [ 31.394213][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x70 [ 31.394277][ C1] ? pci_conf1_write+0x12c/0x150 [ 31.394331][ C1] acpi_pci_irq_lookup+0x44/0x5a0 [ 31.394393][ C1] acpi_pci_irq_disable+0x171/0x2f0 [ 31.394456][ C1] ? __cfi_acpi_pci_irq_disable+0x10/0x10 [ 31.394510][ C1] pcibios_disable_device+0xc0/0x120 [ 31.394593][ C1] pci_disable_device+0x162/0x2d0 [ 31.394677][ C1] ? __cfi_pci_disable_device+0x10/0x10 [ 31.394770][ C1] ? pci_release_region+0x342/0x3a0 [ 31.394832][ C1] ? vp_legacy_remove+0x67/0x80 [ 31.394922][ C1] virtio_pci_remove+0xc2/0xf0 [ 31.394998][ C1] pci_device_remove+0xab/0x260 [ 31.395057][ C1] ? __cfi_pci_device_remove+0x10/0x10 [ 31.395130][ C1] device_release_driver_internal+0x4ad/0x830 [ 31.395221][ C1] device_driver_detach+0x3f/0x50 [ 31.395313][ C1] unbind_store+0x1ab/0x1f0 [ 31.395378][ C1] ? __cfi_unbind_store+0x10/0x10 [ 31.395446][ C1] drv_attr_store+0x91/0xb0 [ 31.395515][ C1] ? __cfi_drv_attr_store+0x10/0x10 [ 31.395578][ C1] sysfs_kf_write+0x141/0x160 [ 31.395638][ C1] ? __cfi_sysfs_kf_write+0x10/0x10 [ 31.395695][ C1] kernfs_fop_write_iter+0x316/0x510 [ 31.395782][ C1] vfs_write+0x762/0xfd0 [ 31.395836][ C1] ? __cfi_vfs_write+0x10/0x10 [ 31.395896][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 31.395974][ C1] ksys_write+0x145/0x260 [ 31.396018][ C1] ? xfd_validate_state+0x68/0x140 [ 31.396050][ C1] ? __cfi_ksys_write+0x10/0x10 [ 31.396075][ C1] ? __kasan_check_write+0x18/0x20 [ 31.396097][ C1] ? fpregs_restore_userregs+0x11c/0x260 [ 31.396162][ C1] __x64_sys_write+0x7f/0x90 [ 31.396237][ C1] x64_sys_call+0x271c/0x2ee0 [ 31.396303][ C1] do_syscall_64+0x57/0xf0 [ 31.396363][ C1] ? clear_bhb_loop+0x50/0xa0 [ 31.396434][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.396537][ C1] RIP: 0033:0x7f7675f9de99 [ 31.396598][ C1] 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 [ 31.396662][ C1] RSP: 002b:00007f7676e3f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.396715][ C1] RAX: ffffffffffffffda RBX: 00007f7676225fa0 RCX: 00007f7675f9de99 [ 31.396764][ C1] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000003 [ 31.396805][ C1] RBP: 00007f7676033eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.396838][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.396877][ C1] R13: 00007f7676226038 R14: 00007f7676225fa0 R15: 00007ffe2f831068 [ 31.396927][ C1] [ 31.398506][ T300] CPU: 1 UID: 0 PID: 300 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.398592][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.398633][ T300] Call Trace: [ 31.398647][ T300] [ 31.398677][ T300] __dump_stack+0x21/0x30 [ 31.398772][ T300] dump_stack_lvl+0x140/0x1c0 [ 31.398855][ T300] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.398948][ T300] dump_stack+0x19/0x20 [ 31.399048][ T300] should_fail_ex+0x3c2/0x510 [ 31.399128][ T300] should_failslab+0xac/0x100 [ 31.399201][ T300] kmem_cache_alloc_noprof+0x42/0x410 [ 31.399262][ T300] ? security_file_alloc+0x49/0x220 [ 31.399347][ T300] ? kasan_save_alloc_info+0x3a/0x50 [ 31.399441][ T300] security_file_alloc+0x49/0x220 [ 31.399525][ T300] init_file+0x9e/0x210 [ 31.399599][ T300] alloc_empty_file+0xd9/0x270 [ 31.399673][ T300] path_openat+0xf4/0x35a0 [ 31.399763][ T300] ? stack_depot_save_flags+0x38/0x800 [ 31.399834][ T300] ? wp_page_reuse+0x158/0x2a0 [ 31.399906][ T300] ? kasan_save_track+0x4f/0x80 [ 31.399970][ T300] ? kasan_save_track+0x3e/0x80 [ 31.400034][ T300] ? kasan_save_alloc_info+0x3a/0x50 [ 31.400118][ T300] ? __kasan_slab_alloc+0x73/0x90 [ 31.400190][ T300] ? getname+0x1b/0x30 [ 31.400247][ T300] ? do_sys_openat2+0xda/0x1d0 [ 31.400322][ T300] ? __x64_sys_openat+0x13a/0x170 [ 31.400449][ T300] ? x64_sys_call+0xe69/0x2ee0 [ 31.400510][ T300] ? do_syscall_64+0x57/0xf0 [ 31.400571][ T300] ? do_filp_open+0x440/0x440 [ 31.400661][ T300] do_filp_open+0x1f2/0x440 [ 31.400759][ T300] ? __cfi_do_filp_open+0x10/0x10 [ 31.400846][ T300] ? alloc_fd+0x4c1/0x570 [ 31.400917][ T300] do_sys_openat2+0x134/0x1d0 [ 31.400994][ T300] ? __cfi_path_umount+0x10/0x10 [ 31.401080][ T300] ? do_sys_open+0x100/0x100 [ 31.401163][ T300] ? __kasan_check_write+0x18/0x20 [ 31.401218][ T300] ? do_user_addr_fault+0xbf5/0x1230 [ 31.401300][ T300] __x64_sys_openat+0x13a/0x170 [ 31.401384][ T300] x64_sys_call+0xe69/0x2ee0 [ 31.401443][ T300] do_syscall_64+0x57/0xf0 [ 31.401507][ T300] ? clear_bhb_loop+0x50/0xa0 [ 31.401580][ T300] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.401652][ T300] RIP: 0033:0x7f4a8899d1bc [ 31.401704][ T300] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 31.401771][ T300] RSP: 002b:00007ffed89fa310 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 31.401862][ T300] RAX: ffffffffffffffda RBX: 00007f4a88a3330a RCX: 00007f4a8899d1bc [ 31.401913][ T300] RDX: 0000000000090800 RSI: 00007ffed89fb4c0 RDI: 00000000ffffff9c [ 31.401956][ T300] RBP: 00007ffed89fb4ac R08: 0000000000000000 R09: 0000000000000000 [ 31.402012][ T300] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffed89fb4c0 [ 31.402047][ T300] R13: 00007f4a88a3330a R14: 0000000000007a38 R15: 00007ffed89fb500 [ 31.402099][ T300] [ 31.416778][ T382] CPU: 1 UID: 0 PID: 382 Comm: syz.3.23 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.416872][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.416913][ T382] Call Trace: [ 31.416934][ T382] [ 31.416964][ T382] __dump_stack+0x21/0x30 [ 31.417051][ T382] dump_stack_lvl+0x140/0x1c0 [ 31.417143][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.417231][ T382] dump_stack+0x19/0x20 [ 31.417332][ T382] should_fail_ex+0x3c2/0x510 [ 31.417422][ T382] should_failslab+0xac/0x100 [ 31.417507][ T382] kmem_cache_alloc_noprof+0x42/0x410 [ 31.417568][ T382] ? acpi_ut_create_update_state+0xf2/0x2b0 [ 31.417631][ T382] acpi_ut_create_update_state+0xf2/0x2b0 [ 31.417692][ T382] ? __cfi_acpi_ut_create_update_state+0x10/0x10 [ 31.417752][ T382] ? acpi_ns_build_normalized_path+0x52e/0x5a0 [ 31.417850][ T382] acpi_ut_create_update_state_and_push+0x2c/0x70 [ 31.417926][ T382] acpi_ut_update_object_reference+0x2b2/0x730 [ 31.418000][ T382] ? __cfi_acpi_ut_update_object_reference+0x10/0x10 [ 31.418081][ T382] acpi_ut_remove_reference+0x87/0xb0 [ 31.418172][ T382] acpi_rs_get_prt_method_data+0xcd/0x110 [ 31.418244][ T382] ? __cfi_acpi_rs_get_prt_method_data+0x10/0x10 [ 31.418328][ T382] ? __kasan_check_write+0x18/0x20 [ 31.418390][ T382] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.418463][ T382] acpi_get_irq_routing_table+0xb8/0xe0 [ 31.418549][ T382] acpi_pci_irq_find_prt_entry+0x164/0x1010 [ 31.418603][ T382] ? acpi_pci_irq_lookup+0x5a0/0x5a0 [ 31.418627][ T382] ? _raw_spin_unlock_irqrestore+0x5b/0x70 [ 31.418690][ T382] ? pci_conf1_write+0x12c/0x150 [ 31.418790][ T382] acpi_pci_irq_lookup+0x44/0x5a0 [ 31.418856][ T382] acpi_pci_irq_disable+0x171/0x2f0 [ 31.418937][ T382] ? __cfi_acpi_pci_irq_disable+0x10/0x10 [ 31.419007][ T382] pcibios_disable_device+0xc0/0x120 [ 31.419084][ T382] pci_disable_device+0x162/0x2d0 [ 31.419175][ T382] ? __cfi_pci_disable_device+0x10/0x10 [ 31.419273][ T382] ? pci_release_region+0x342/0x3a0 [ 31.419338][ T382] ? vp_legacy_remove+0x67/0x80 [ 31.419427][ T382] virtio_pci_remove+0xc2/0xf0 [ 31.419490][ T382] pci_device_remove+0xab/0x260 [ 31.419551][ T382] ? __cfi_pci_device_remove+0x10/0x10 [ 31.419606][ T382] device_release_driver_internal+0x4ad/0x830 [ 31.419705][ T382] device_driver_detach+0x3f/0x50 [ 31.419798][ T382] unbind_store+0x1ab/0x1f0 [ 31.419872][ T382] ? __cfi_unbind_store+0x10/0x10 [ 31.419945][ T382] drv_attr_store+0x91/0xb0 [ 31.420019][ T382] ? __cfi_drv_attr_store+0x10/0x10 [ 31.420108][ T382] sysfs_kf_write+0x141/0x160 [ 31.420193][ T382] ? __cfi_sysfs_kf_write+0x10/0x10 [ 31.420264][ T382] kernfs_fop_write_iter+0x316/0x510 [ 31.420351][ T382] vfs_write+0x762/0xfd0 [ 31.420415][ T382] ? __cfi_vfs_write+0x10/0x10 [ 31.420485][ T382] ? __cfi_mutex_lock+0x10/0x10 [ 31.420582][ T382] ksys_write+0x145/0x260 [ 31.420642][ T382] ? xfd_validate_state+0x68/0x140 [ 31.420725][ T382] ? __cfi_ksys_write+0x10/0x10 [ 31.420795][ T382] ? __kasan_check_write+0x18/0x20 [ 31.420849][ T382] ? fpregs_restore_userregs+0x11c/0x260 [ 31.420928][ T382] __x64_sys_write+0x7f/0x90 [ 31.420991][ T382] x64_sys_call+0x271c/0x2ee0 [ 31.421051][ T382] do_syscall_64+0x57/0xf0 [ 31.421114][ T382] ? clear_bhb_loop+0x50/0xa0 [ 31.421195][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.421248][ T382] RIP: 0033:0x7f7675f9de99 [ 31.421300][ T382] 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 [ 31.421358][ T382] RSP: 002b:00007f7676e3f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.421421][ T382] RAX: ffffffffffffffda RBX: 00007f7676225fa0 RCX: 00007f7675f9de99 [ 31.421471][ T382] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000003 [ 31.421513][ T382] RBP: 00007f7676033eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.421567][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.421615][ T382] R13: 00007f7676226038 R14: 00007f7676225fa0 R15: 00007ffe2f831068 [ 31.421676][ T382] [ 31.421714][ T382] ACPI Error: AE_NO_MEMORY, [ 31.427056][ C0] CPU: 0 UID: 0 PID: 291 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.427092][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.427108][ C0] Call Trace: [ 31.427136][ C0] [ 31.427167][ C0] __dump_stack+0x21/0x30 [ 31.427285][ C0] dump_stack_lvl+0x140/0x1c0 [ 31.427373][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.427446][ C0] ? kasan_save_track+0x4f/0x80 [ 31.427514][ C0] dump_stack+0x19/0x20 [ 31.427586][ C0] should_fail_ex+0x3c2/0x510 [ 31.427653][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.427716][ C0] should_failslab+0xac/0x100 [ 31.427781][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 31.427834][ C0] ? ____fput+0x20/0x30 [ 31.427906][ C0] ? task_work_run+0x1e8/0x260 [ 31.427977][ C0] ? dst_alloc+0x13c/0x240 [ 31.428038][ C0] ? __x64_sys_exit_group+0x43/0x50 [ 31.428111][ C0] ? x64_sys_call+0x2ed2/0x2ee0 [ 31.428190][ C0] ? do_syscall_64+0x57/0xf0 [ 31.428257][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.428321][ C0] dst_alloc+0x13c/0x240 [ 31.428385][ C0] icmp6_dst_alloc+0xef/0x4f0 [ 31.428476][ C0] ndisc_send_skb+0x2a6/0xca0 [ 31.428529][ C0] ? should_fail_ex+0x201/0x510 [ 31.428615][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.428697][ C0] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 31.428772][ C0] ? kmalloc_reserve+0xcf/0x4f0 [ 31.428857][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.428918][ C0] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.428974][ C0] ndisc_send_rs+0x675/0x880 [ 31.429035][ C0] addrconf_rs_timer+0x362/0x620 [ 31.429110][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.429183][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 31.429255][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.429319][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.429401][ C0] call_timer_fn+0x4c/0x300 [ 31.429476][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.429543][ C0] __run_timer_base+0x6c0/0x9b0 [ 31.429625][ C0] ? timer_expire_remote+0xa0/0xa0 [ 31.429690][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 31.429770][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 31.429847][ C0] run_timer_softirq+0x35/0x70 [ 31.429921][ C0] handle_softirqs+0x1aa/0x620 [ 31.430005][ C0] __irq_exit_rcu+0x47/0xb0 [ 31.430081][ C0] irq_exit_rcu+0xd/0x30 [ 31.430142][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 31.430219][ C0] [ 31.430241][ C0] [ 31.430262][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.430345][ C0] RIP: 0010:unwind_next_frame+0xa/0x6b0 [ 31.430420][ C0] Code: 38 c1 7c 96 48 89 df e8 f4 a0 9b 00 eb 8c 66 90 b8 62 a4 91 9f 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 28 48 89 fb 49 be 00 00 00 00 00 fc [ 31.430472][ C0] RSP: 0018:ffffc9000162f670 EFLAGS: 00000202 [ 31.430534][ C0] RAX: 0000000000000001 RBX: ffffc9000162f740 RCX: 00000000002c5e00 [ 31.430577][ C0] RDX: dffffc0000000000 RSI: ffffffff81eb7170 RDI: ffffc9000162f688 [ 31.430624][ C0] RBP: ffffc9000162f678 R08: ffffc9000162f750 R09: ffffc9000162f748 [ 31.430666][ C0] R10: 0000000000000005 R11: ffffffff81759ed0 R12: ffff888106eba600 [ 31.430707][ C0] R13: 1ffff11020dd7580 R14: ffffffff81759ed0 R15: ffffc9000162f688 [ 31.430751][ C0] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.430823][ C0] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.430894][ C0] ? ____fput+0x20/0x30 [ 31.430965][ C0] arch_stack_walk+0x138/0x170 [ 31.431024][ C0] ? ____fput+0x20/0x30 [ 31.431095][ C0] stack_trace_save+0xaa/0x100 [ 31.431159][ C0] ? __cfi_stack_trace_save+0x10/0x10 [ 31.431220][ C0] ? stack_depot_save_flags+0x38/0x800 [ 31.431299][ C0] ? __asan_memset+0x39/0x50 [ 31.431359][ C0] save_stack+0x125/0x240 [ 31.431449][ C0] ? __reset_page_owner+0x450/0x450 [ 31.431527][ C0] ? rcu_read_unlock_special+0x150/0x420 [ 31.431612][ C0] ? free_unref_page+0xbb8/0xf70 [ 31.431685][ C0] ? __free_pages+0x6b/0x3b0 [ 31.431752][ C0] ? vfree+0x3ea/0x5b0 [ 31.431826][ C0] ? kcov_close+0x2c/0x70 [ 31.431890][ C0] ? __fput+0x20b/0xa30 [ 31.431963][ C0] ? ____fput+0x20/0x30 [ 31.432035][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 31.432112][ C0] __reset_page_owner+0x79/0x450 [ 31.432183][ C0] ? free_unref_page_commit+0x5a0/0xec0 [ 31.432271][ C0] free_unref_page+0xbb8/0xf70 [ 31.432350][ C0] ? __cfi_free_unref_page+0x10/0x10 [ 31.432420][ C0] ? insert_vmap_area+0x288/0x370 [ 31.432473][ C0] ? _raw_spin_unlock+0x45/0x60 [ 31.432534][ C0] ? free_vmap_area_noflush+0x23e/0x3c0 [ 31.432594][ C0] __free_pages+0x6b/0x3b0 [ 31.432675][ C0] vfree+0x3ea/0x5b0 [ 31.432749][ C0] ? __cfi_vfree+0x10/0x10 [ 31.432858][ C0] ? __cfi_kcov_close+0x10/0x10 [ 31.432925][ C0] kcov_close+0x2c/0x70 [ 31.432975][ C0] __fput+0x20b/0xa30 [ 31.433054][ C0] ____fput+0x20/0x30 [ 31.433120][ C0] task_work_run+0x1e8/0x260 [ 31.433190][ C0] ? __cfi_task_work_run+0x10/0x10 [ 31.433267][ C0] ? free_nsproxy+0x223/0x290 [ 31.433342][ C0] do_exit+0xa46/0x2850 [ 31.433420][ C0] ? __cfi_do_exit+0x10/0x10 [ 31.433484][ C0] ? __kasan_check_write+0x18/0x20 [ 31.433544][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 31.433604][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.433666][ C0] ? __cfi_ksys_write+0x10/0x10 [ 31.433727][ C0] ? zap_other_threads+0x32f/0x370 [ 31.433801][ C0] do_group_exit+0x21f/0x2f0 [ 31.433875][ C0] __x64_sys_exit_group+0x43/0x50 [ 31.433949][ C0] x64_sys_call+0x2ed2/0x2ee0 [ 31.434008][ C0] do_syscall_64+0x57/0xf0 [ 31.434070][ C0] ? clear_bhb_loop+0x50/0xa0 [ 31.434158][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.434261][ C0] RIP: 0033:0x7eff0499de99 [ 31.434304][ C0] Code: Unable to access opcode bytes at 0x7eff0499de6f. [ 31.434334][ C0] RSP: 002b:00007ffe6ba58bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.434392][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff0499de99 [ 31.434438][ C0] RDX: 00007eff049cb217 RSI: 0000000000000004 RDI: 0000000000000001 [ 31.434472][ C0] RBP: 00007eff04c267b8 R08: 0000000000000000 R09: 0000000000000003 [ 31.434512][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 31.434551][ C0] R13: 0000000000000003 R14: 00007ffe6ba58e38 R15: 0000000000000000 [ 31.434594][ C0] [ 31.437967][ T385] 15457 total pagecache pages [ 31.444668][ T382] Could not update object reference count [ 31.447914][ T385] 5 pages in swap cache [ 31.455151][ T382] (20240827/utdelete-651) [ 31.474805][ C1] FAULT_INJECTION: forcing a failure. [ 31.474805][ C1] name failslab, interval 1, probability 10, space 0, times 56 [ 31.474830][ C1] CPU: 1 UID: 0 PID: 382 Comm: syz.3.23 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.474847][ T385] Free swap = 124472kB [ 31.474858][ T385] Total swap = 124996kB [ 31.474860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.474868][ T385] 2097051 pages RAM [ 31.474875][ C1] Call Trace: [ 31.474876][ T385] 0 pages HighMem/MovableOnly [ 31.474883][ C1] [ 31.474885][ T385] 352235 pages reserved [ 31.474893][ T385] 0 pages cma reserved [ 31.474891][ C1] __dump_stack+0x21/0x30 [ 31.474925][ C1] dump_stack_lvl+0x140/0x1c0 [ 31.474955][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.474983][ C1] ? ref_tracker_alloc+0x356/0x5b0 [ 31.475010][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 31.475036][ C1] ? dst_alloc+0x163/0x240 [ 31.475058][ C1] dump_stack+0x19/0x20 [ 31.475085][ C1] should_fail_ex+0x3c2/0x510 [ 31.475109][ C1] should_failslab+0xac/0x100 [ 31.475135][ C1] __kmalloc_cache_noprof+0x41/0x470 [ 31.475158][ C1] ? dst_cow_metrics_generic+0x65/0x2a0 [ 31.475181][ C1] ? dst_init+0x329/0x430 [ 31.475203][ C1] dst_cow_metrics_generic+0x65/0x2a0 [ 31.475226][ C1] icmp6_dst_alloc+0x310/0x4f0 [ 31.475259][ C1] ndisc_send_skb+0x2a6/0xca0 [ 31.475280][ C1] ? should_fail_ex+0x201/0x510 [ 31.475304][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.475325][ C1] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 31.475349][ C1] ? kmalloc_reserve+0xcf/0x4f0 [ 31.475379][ C1] ? __asan_memcpy+0x5a/0x80 [ 31.475401][ C1] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.475423][ C1] ndisc_send_rs+0x675/0x880 [ 31.475445][ C1] addrconf_rs_timer+0x362/0x620 [ 31.475470][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.475496][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 31.475520][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.475544][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.475570][ C1] call_timer_fn+0x4c/0x300 [ 31.475615][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 31.475642][ C1] __run_timer_base+0x6c0/0x9b0 [ 31.475673][ C1] ? timer_expire_remote+0xa0/0xa0 [ 31.475708][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 31.475765][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 31.475797][ C1] run_timer_softirq+0x35/0x70 [ 31.475826][ C1] handle_softirqs+0x1aa/0x620 [ 31.475851][ C1] __irq_exit_rcu+0x47/0xb0 [ 31.475874][ C1] irq_exit_rcu+0xd/0x30 [ 31.475894][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 31.475928][ C1] [ 31.475937][ C1] [ 31.475946][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 31.475977][ C1] RIP: 0010:vprintk_emit+0x547/0x650 [ 31.476010][ C1] Code: 81 e6 00 02 00 00 31 ff e8 c6 c5 1e 00 48 81 e3 00 02 00 00 75 07 e8 d8 c0 1e 00 eb 06 e8 d1 c0 1e 00 fb c6 05 49 ea 54 07 00 31 fd ff ff e8 bf c0 1e 00 e9 94 fe ff ff 41 ff ce bf 58 89 41 [ 31.476031][ C1] RSP: 0018:ffffc9000c93f220 EFLAGS: 00000246 [ 31.476052][ C1] RAX: ffffffff8168b0ef RBX: 0000000000000200 RCX: 0000000000080000 [ 31.476069][ C1] RDX: ffffc90001e53000 RSI: 000000000007ffff RDI: 0000000000080000 [ 31.476085][ C1] RBP: ffffc9000c93f2e8 R08: 0000000000000003 R09: 0000000000000004 [ 31.476101][ C1] R10: dffffc0000000000 R11: fffff52001927e34 R12: 1ffff92001927e48 [ 31.476118][ C1] R13: 0000000000000018 R14: 0000000000000000 R15: dffffc0000000000 [ 31.476136][ C1] ? vprintk_emit+0x53f/0x650 [ 31.476166][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 31.476195][ C1] ? number+0xc9d/0xf00 [ 31.476219][ C1] vprintk_default+0x2a/0x40 [ 31.476245][ C1] vprintk+0x93/0xa0 [ 31.476266][ C1] _printk+0xde/0x140 [ 31.476293][ C1] ? __asan_memcpy+0x5a/0x80 [ 31.476316][ C1] ? __cfi__printk+0x10/0x10 [ 31.476346][ C1] acpi_os_printf+0x168/0x280 [ 31.476369][ C1] ? __cfi_acpi_os_printf+0x10/0x10 [ 31.476393][ C1] acpi_exception+0x136/0x190 [ 31.476418][ C1] ? __cfi_acpi_exception+0x10/0x10 [ 31.476444][ C1] acpi_ut_update_object_reference+0x6ca/0x730 [ 31.476474][ C1] ? __cfi_acpi_ut_update_object_reference+0x10/0x10 [ 31.476510][ C1] acpi_ut_remove_reference+0x87/0xb0 [ 31.476538][ C1] acpi_rs_get_prt_method_data+0xcd/0x110 [ 31.476569][ C1] ? __cfi_acpi_rs_get_prt_method_data+0x10/0x10 [ 31.476601][ C1] ? __kasan_check_write+0x18/0x20 [ 31.476623][ C1] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.476650][ C1] acpi_get_irq_routing_table+0xb8/0xe0 [ 31.476681][ C1] acpi_pci_irq_find_prt_entry+0x164/0x1010 [ 31.476709][ C1] ? acpi_pci_irq_lookup+0x5a0/0x5a0 [ 31.476738][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x70 [ 31.476766][ C1] ? pci_conf1_write+0x12c/0x150 [ 31.476788][ C1] acpi_pci_irq_lookup+0x44/0x5a0 [ 31.476812][ C1] acpi_pci_irq_disable+0x171/0x2f0 [ 31.476836][ C1] ? __cfi_acpi_pci_irq_disable+0x10/0x10 [ 31.476860][ C1] pcibios_disable_device+0xc0/0x120 [ 31.476892][ C1] pci_disable_device+0x162/0x2d0 [ 31.476927][ C1] ? __cfi_pci_disable_device+0x10/0x10 [ 31.476960][ C1] ? pci_release_region+0x342/0x3a0 [ 31.476997][ C1] ? vp_legacy_remove+0x67/0x80 [ 31.477029][ C1] virtio_pci_remove+0xc2/0xf0 [ 31.477051][ C1] pci_device_remove+0xab/0x260 [ 31.477072][ C1] ? __cfi_pci_device_remove+0x10/0x10 [ 31.477091][ C1] device_release_driver_internal+0x4ad/0x830 [ 31.477124][ C1] device_driver_detach+0x3f/0x50 [ 31.477154][ C1] unbind_store+0x1ab/0x1f0 [ 31.477180][ C1] ? __cfi_unbind_store+0x10/0x10 [ 31.477207][ C1] drv_attr_store+0x91/0xb0 [ 31.477232][ C1] ? __cfi_drv_attr_store+0x10/0x10 [ 31.477259][ C1] sysfs_kf_write+0x141/0x160 [ 31.477281][ C1] ? __cfi_sysfs_kf_write+0x10/0x10 [ 31.477302][ C1] kernfs_fop_write_iter+0x316/0x510 [ 31.477333][ C1] vfs_write+0x762/0xfd0 [ 31.477356][ C1] ? __cfi_vfs_write+0x10/0x10 [ 31.477377][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 31.477409][ C1] ksys_write+0x145/0x260 [ 31.477430][ C1] ? xfd_validate_state+0x68/0x140 [ 31.477458][ C1] ? __cfi_ksys_write+0x10/0x10 [ 31.477480][ C1] ? __kasan_check_write+0x18/0x20 [ 31.477501][ C1] ? fpregs_restore_userregs+0x11c/0x260 [ 31.477528][ C1] __x64_sys_write+0x7f/0x90 [ 31.477550][ C1] x64_sys_call+0x271c/0x2ee0 [ 31.477570][ C1] do_syscall_64+0x57/0xf0 [ 31.477593][ C1] ? clear_bhb_loop+0x50/0xa0 [ 31.477621][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.477648][ C1] RIP: 0033:0x7f7675f9de99 [ 31.477666][ C1] 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 [ 31.477685][ C1] RSP: 002b:00007f7676e3f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.477707][ C1] RAX: ffffffffffffffda RBX: 00007f7676225fa0 RCX: 00007f7675f9de99 [ 31.477724][ C1] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000003 [ 31.477763][ C1] RBP: 00007f7676033eaf R08: 0000000000000000 R09: 0000000000000000 [ 31.477779][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.477787][ T385] Memory allocations: [ 31.477793][ C1] R13: 00007f7676226038 R14: 00007f7676225fa0 R15: 00007ffe2f831068 [ 31.477802][ T385] 0 B 0 init/main.c:1477 func:do_initcalls [ 31.477814][ C1] [ 31.477826][ T385] 0 B 0 init/do_mounts.c:186 func:mount_root_generic [ 31.477848][ T385] 0 B 0 init/do_mounts.c:158 func:do_mount_root [ 31.477868][ T385] 0 B 0 init/do_mounts.c:352 func:mount_nodev_root [ 31.477888][ T385] 0 B 0 init/do_mounts_rd.c:241 func:rd_load_image [ 31.477909][ T385] 0 B 0 init/do_mounts_rd.c:72 func:identify_ramdisk_image [ 31.477928][ T385] 0 B 0 init/initramfs.c:507 func:unpack_to_rootfs [ 31.477949][ T385] 0 B 0 init/initramfs.c:508 func:unpack_to_rootfs [ 31.477970][ T385] 0 B 0 init/initramfs.c:509 func:unpack_to_rootfs [ 31.478027][ T385] 0 B 0 init/initramfs.c:101 func:find_link [ 31.538365][ T13] FAULT_INJECTION: forcing a failure. [ 31.538365][ T13] name failslab, interval 1, probability 10, space 0, times 51 [ 31.542372][ T382] FAULT_INJECTION: forcing a failure. [ 31.542372][ T382] name failslab, interval 1, probability 10, space 0, times 51 [ 31.576567][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 31.576652][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026