./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor963928705
<...>
Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts.
execve("./syz-executor963928705", ["./syz-executor963928705"], 0x7ffda96f2c00 /* 10 vars */) = 0
brk(NULL) = 0x55555589e000
brk(0x55555589ed00) = 0x55555589ed00
arch_prctl(ARCH_SET_FS, 0x55555589e380) = 0
set_tid_address(0x55555589e650) = 5049
set_robust_list(0x55555589e660, 24) = 0
rseq(0x55555589eca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor963928705", 4096) = 27
getrandom("\x19\x6c\xf1\xce\x55\xe6\xdb\xce", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555589ed00
brk(0x5555558bfd00) = 0x5555558bfd00
brk(0x5555558c0000) = 0x5555558c0000
mprotect(0x7f338b0fb000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555589e650) = 5050
./strace-static-x86_64: Process 5050 attached
[pid 5050] set_robust_list(0x55555589e660, 24) = 0
[pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5050] setpgid(0, 0) = 0
[pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5050] write(3, "1000", 4) = 4
[pid 5050] close(3) = 0
[pid 5050] openat(AT_FDCWD, "/dev/userio", O_RDWR|O_EXCL|O_NOCTTY|O_NOFOLLOW|0x4) = 3
[pid 5050] write(3, "\x01\x42", 2) = 2
[pid 5050] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 5050] write(4, "2", 1) = 1
[ 86.143798][ T5050] FAULT_INJECTION: forcing a failure.
[ 86.143798][ T5050] name failslab, interval 1, probability 0, space 0, times 1
[ 86.156836][ T5050] CPU: 0 PID: 5050 Comm: syz-executor963 Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
[ 86.167018][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 86.177086][ T5050] Call Trace:
[ 86.180382][ T5050]
[ 86.183328][ T5050] dump_stack_lvl+0x125/0x1b0
[ 86.188028][ T5050] should_fail_ex+0x496/0x5b0
[ 86.192737][ T5050] should_failslab+0x9/0x20
[ 86.197256][ T5050] __kmem_cache_alloc_node+0x2fd/0x350
[ 86.202769][ T5050] ? kvasprintf_const+0x66/0x190
[ 86.207723][ T5050] ? kvasprintf_const+0x66/0x190
[ 86.212683][ T5050] __kmalloc_node_track_caller+0x50/0x100
[ 86.218422][ T5050] kvasprintf+0xbd/0x150
[ 86.222695][ T5050] ? bust_spinlocks+0xe0/0xe0
[ 86.227426][ T5050] ? rcu_is_watching+0x12/0xb0
[ 86.232217][ T5050] kvasprintf_const+0x66/0x190
[ 86.237005][ T5050] kobject_set_name_vargs+0x5a/0x130
[ 86.242314][ T5050] dev_set_name+0xc8/0x100
[ 86.246759][ T5050] ? device_initialize+0x510/0x510
[ 86.251903][ T5050] ? __init_waitqueue_head+0xca/0x150
[ 86.257297][ T5050] ? __serio_register_port+0x16f/0x4b0
[ 86.262778][ T5050] __serio_register_port+0x191/0x4b0
[ 86.268087][ T5050] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 86.274012][ T5050] userio_char_write+0x255/0x4f0
[ 86.279003][ T5050] ? userio_device_write+0x1a0/0x1a0
[ 86.284313][ T5050] ? __cgroup_bpf_run_filter_setsockopt+0x730/0xca0
[ 86.290932][ T5050] ? security_file_permission+0x94/0x100
[ 86.296594][ T5050] vfs_write+0x2a4/0xe40
[ 86.300848][ T5050] ? userio_device_write+0x1a0/0x1a0
[ 86.306159][ T5050] ? kernel_write+0x6c0/0x6c0
[ 86.310856][ T5050] ? ptrace_stop.part.0+0x61f/0x8f0
[ 86.316085][ T5050] ? rcu_is_watching+0x12/0xb0
[ 86.320859][ T5050] ? lock_release+0x4bf/0x680
[ 86.325576][ T5050] ? ptrace_notify+0xf4/0x130
[ 86.330273][ T5050] ? reacquire_held_locks+0x4b0/0x4b0
[ 86.335674][ T5050] ? __fget_light+0x1fc/0x260
[ 86.340370][ T5050] ksys_write+0x12f/0x250
[ 86.344729][ T5050] ? __ia32_sys_read+0xb0/0xb0
[ 86.349511][ T5050] ? _raw_spin_unlock_irq+0x2e/0x50
[ 86.354740][ T5050] ? ptrace_notify+0xf4/0x130
[ 86.359437][ T5050] do_syscall_64+0x38/0xb0
[ 86.363871][ T5050] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 86.369779][ T5050] RIP: 0033:0x7f338b087d39
[ 86.374204][ T5050] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[pid 5050] write(3, "\x00\x00", 2) = 2
[pid 5050] exit_group(0) = ?
[pid 5050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555589e650) = 5051
./strace-static-x86_64: Process 5051 attached
[pid 5051] set_robust_list(0x55555589e660, 24) = 0
[pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5051] setpgid(0, 0) = 0
[pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5051] write(3, "1000", 4) = 4
[pid 5051] close(3) = 0
[pid 5051] openat(AT_FDCWD, "/dev/userio", O_RDWR|O_EXCL|O_NOCTTY|O_NOFOLLOW|0x4) = 3
[pid 5051] write(3, "\x01\x42", 2) = 2
[pid 5051] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 5051] write(4, "2", 1) = 1
[ 86.393829][ T5050] RSP: 002b:00007ffec155d1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 86.402258][ T5050] RAX: ffffffffffffffda RBX: 00007ffec155d1c0 RCX: 00007f338b087d39
[ 86.410243][ T5050] RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000003
[ 86.418225][ T5050] RBP: 0000000000000001 R08: 00007ffec155cf47 R09: 00000000000000a0
[ 86.426213][ T5050] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
[ 86.434194][ T5050] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 86.442185][ T5050]
[ 86.461718][ T5051] FAULT_INJECTION: forcing a failure.
[ 86.461718][ T5051] name failslab, interval 1, probability 0, space 0, times 0
[ 86.474739][ T5051] CPU: 0 PID: 5051 Comm: syz-executor963 Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
[ 86.484995][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 86.495061][ T5051] Call Trace:
[ 86.498347][ T5051]
[ 86.501285][ T5051] dump_stack_lvl+0x125/0x1b0
[ 86.505981][ T5051] should_fail_ex+0x496/0x5b0
[ 86.510697][ T5051] should_failslab+0x9/0x20
[ 86.515229][ T5051] __kmem_cache_alloc_node+0x2fd/0x350
[ 86.520712][ T5051] ? kvasprintf_const+0x66/0x190
[ 86.525671][ T5051] ? kvasprintf_const+0x66/0x190
[ 86.530627][ T5051] __kmalloc_node_track_caller+0x50/0x100
[ 86.536369][ T5051] kvasprintf+0xbd/0x150
[ 86.540641][ T5051] ? bust_spinlocks+0xe0/0xe0
[ 86.545369][ T5051] ? rcu_is_watching+0x12/0xb0
[ 86.550146][ T5051] kvasprintf_const+0x66/0x190
[ 86.554923][ T5051] kobject_set_name_vargs+0x5a/0x130
[ 86.560228][ T5051] dev_set_name+0xc8/0x100
[ 86.564690][ T5051] ? device_initialize+0x510/0x510
[ 86.569825][ T5051] ? __init_waitqueue_head+0xca/0x150
[ 86.575396][ T5051] ? __serio_register_port+0x16f/0x4b0
[ 86.580887][ T5051] __serio_register_port+0x191/0x4b0
[ 86.586215][ T5051] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 86.592140][ T5051] userio_char_write+0x255/0x4f0
[ 86.597099][ T5051] ? userio_device_write+0x1a0/0x1a0
[ 86.602402][ T5051] ? __cgroup_bpf_run_filter_setsockopt+0x730/0xca0
[ 86.609028][ T5051] ? security_file_permission+0x94/0x100
[ 86.614704][ T5051] vfs_write+0x2a4/0xe40
[ 86.618977][ T5051] ? userio_device_write+0x1a0/0x1a0
[ 86.624286][ T5051] ? kernel_write+0x6c0/0x6c0
[ 86.628975][ T5051] ? ptrace_stop.part.0+0x61f/0x8f0
[ 86.634191][ T5051] ? rcu_is_watching+0x12/0xb0
[ 86.638969][ T5051] ? lock_release+0x4bf/0x680
[ 86.643689][ T5051] ? ptrace_notify+0xf4/0x130
[ 86.648426][ T5051] ? reacquire_held_locks+0x4b0/0x4b0
[ 86.653824][ T5051] ? __fget_light+0x1fc/0x260
[ 86.658518][ T5051] ksys_write+0x12f/0x250
[ 86.662868][ T5051] ? __ia32_sys_read+0xb0/0xb0
[ 86.667643][ T5051] ? _raw_spin_unlock_irq+0x2e/0x50
[ 86.672865][ T5051] ? ptrace_notify+0xf4/0x130
[ 86.677573][ T5051] do_syscall_64+0x38/0xb0
[ 86.682013][ T5051] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 86.687952][ T5051] RIP: 0033:0x7f338b087d39
[ 86.692385][ T5051] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 86.712011][ T5051] RSP: 002b:00007ffec155d1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 86.720433][ T5051] RAX: ffffffffffffffda RBX: 00007ffec155d1c0 RCX: 00007f338b087d39
[ 86.728421][ T5051] RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000003
[ 86.736412][ T5051] RBP: 0000000000000001 R08: 00007ffec155cf47 R09: 00000000000000a0
[ 86.744392][ T5051] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffec155d1bc
[ 86.752372][ T5051] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 86.760368][ T5051]
[ 86.765740][ T23] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[ 86.777541][ T23] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[ 86.785964][ T23] CPU: 1 PID: 23 Comm: kworker/1:0 Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
[ 86.795517][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 86.805581][ T23] Workqueue: events_long serio_handle_event
[ 86.811510][ T23] RIP: 0010:strchr+0x1b/0xb0
[ 86.816125][ T23] Code: 96 ac f7 48 8b 74 24 08 48 8b 14 24 eb 89 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 83 ec 10 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 0f b6 07 89
[ 86.835768][ T23] RSP: 0018:ffffc900001d7a58 EFLAGS: 00010282
[ 86.841854][ T23] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 86.849841][ T23] RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000
[ 86.857825][ T23] RBP: ffffc900001d7ae8 R08: 0000000000000001 R09: 0000000000000000
[ 86.865808][ T23] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc900001d7ae8
[ 86.873798][ T23] R13: 0000000000000cc0 R14: 0000000000000000 R15: 0000000000000001
[ 86.881788][ T23] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 86.890738][ T23] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.897331][ T23] CR2: 00007fff27a7a000 CR3: 0000000072661000 CR4: 00000000003506e0
[ 86.905320][ T23] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 86.913473][ T23] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 86.921454][ T23] Call Trace:
[ 86.924739][ T23]
[ 86.927677][ T23] ? show_regs+0x8f/0xa0
[ 86.931944][ T23] ? die_addr+0x4f/0xd0
[ 86.936127][ T23] ? exc_general_protection+0x154/0x230
[ 86.941697][ T23] ? asm_exc_general_protection+0x26/0x30
[ 86.947615][ T23] ? strchr+0x1b/0xb0
[ 86.951614][ T23] ? bus_to_subsys+0x10b/0x160
[ 86.956393][ T23] kvasprintf_const+0x25/0x190
[ 86.961185][ T23] kobject_set_name_vargs+0x5a/0x130
[ 86.966492][ T23] kobject_add+0x12a/0x240
[ 86.970930][ T23] ? kset_create_and_add+0x190/0x190
[ 86.976239][ T23] ? kobject_put+0xbe/0x440
[ 86.980761][ T23] ? bus_get_dev_root+0x5e/0x80
[ 86.985635][ T23] device_add+0x290/0x1ac0
[ 86.990071][ T23] ? reacquire_held_locks+0x4b0/0x4b0
[ 86.995466][ T23] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[ 87.002331][ T23] ? spin_bug+0x1d0/0x1d0
[ 87.006693][ T23] ? rcu_is_watching+0x12/0xb0
[ 87.011479][ T23] serio_handle_event+0x63b/0xa90
[ 87.016530][ T23] ? rcu_is_watching+0x12/0xb0
[ 87.021311][ T23] process_one_work+0x887/0x15d0
[ 87.026278][ T23] ? lock_sync+0x190/0x190
[ 87.030720][ T23] ? init_worker_pool+0x770/0x770
[ 87.035769][ T23] ? assign_work+0x1a0/0x240
[ 87.040382][ T23] worker_thread+0x8bb/0x1290
[ 87.045087][ T23] ? process_one_work+0x15d0/0x15d0
[ 87.050321][ T23] kthread+0x33a/0x430
[ 87.054408][ T23] ? kthread_complete_and_exit+0x40/0x40
[ 87.060063][ T23] ret_from_fork+0x45/0x80
[pid 5051] write(3, "\x00\x00", 2) = 2
[pid 5051] exit_group(0) = ?
[ 87.064497][ T23] ? kthread_complete_and_exit+0x40/0x40
[ 87.070149][ T23] ret_from_fork_asm+0x11/0x20
[ 87.075075][ T23]
[ 87.078104][ T23] Modules linked in:
[ 87.206802][ T23] ---[ end trace 0000000000000000 ]---
[ 87.212386][ T23] RIP: 0010:strchr+0x1b/0xb0
[ 87.217052][ T23] Code: 96 ac f7 48 8b 74 24 08 48 8b 14 24 eb 89 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 83 ec 10 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 0f b6 07 89
[ 87.236755][ T23] RSP: 0018:ffffc900001d7a58 EFLAGS: 00010282
[ 87.242865][ T23] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 87.250892][ T23] RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000
[ 87.258904][ T23] RBP: ffffc900001d7ae8 R08: 0000000000000001 R09: 0000000000000000
[ 87.266932][ T23] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc900001d7ae8
[ 87.274933][ T23] R13: 0000000000000cc0 R14: 0000000000000000 R15: 0000000000000001
[ 87.282968][ T23] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 87.291939][ T23] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 87.298582][ T23] CR2: 00007fff27a7a000 CR3: 000000001edeb000 CR4: 00000000003506e0
[ 87.306593][ T23] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 87.314568][ T23] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 87.322595][ T23] Kernel panic - not syncing: Fatal exception
[ 87.328763][ T23] Kernel Offset: disabled
[ 87.333090][ T23] Rebooting in 86400 seconds..