./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2528891426
<...>
Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts.
execve("./syz-executor2528891426", ["./syz-executor2528891426"], 0x7ffc13492fb0 /* 10 vars */) = 0
brk(NULL) = 0x555555b33000
brk(0x555555b33d00) = 0x555555b33d00
arch_prctl(ARCH_SET_FS, 0x555555b33380) = 0
set_tid_address(0x555555b33650) = 5043
set_robust_list(0x555555b33660, 24) = 0
rseq(0x555555b33ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2528891426", 4096) = 28
getrandom("\x07\xf2\x2b\x78\xec\x98\x9f\xc2", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555b33d00
brk(0x555555b54d00) = 0x555555b54d00
brk(0x555555b55000) = 0x555555b55000
mprotect(0x7f0f645e3000, 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=0x555555b33650) = 5044
./strace-static-x86_64: Process 5044 attached
[pid 5044] set_robust_list(0x555555b33660, 24) = 0
[pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5044] setpgid(0, 0) = 0
[pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5044] write(3, "1000", 4) = 4
[pid 5044] close(3) = 0
[pid 5044] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC) = 3
[pid 5044] ioctl(3, USBDEVFS_IOCTL, 0x20000200) = 0
[pid 5044] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 5044] write(4, "27", 2) = 2
[ 71.539180][ T5044] hub 5-0:1.0: USB hub found
[ 71.547371][ T5044] hub 5-0:1.0: 1 port detected
[ 71.552548][ T5044] FAULT_INJECTION: forcing a failure.
[ 71.552548][ T5044] name failslab, interval 1, probability 0, space 0, times 1
[ 71.565535][ T5044] CPU: 0 PID: 5044 Comm: syz-executor252 Not tainted 6.5.0-syzkaller-11812-g7733171926cc #0
[ 71.575627][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 71.585678][ T5044] Call Trace:
[ 71.588956][ T5044]
[ 71.591887][ T5044] dump_stack_lvl+0x125/0x1b0
[ 71.596589][ T5044] should_fail_ex+0x496/0x5b0
[ 71.601296][ T5044] should_failslab+0x9/0x20
[ 71.605806][ T5044] __kmem_cache_alloc_node+0x2fd/0x350
[ 71.611285][ T5044] ? kvasprintf_const+0x66/0x190
[ 71.616268][ T5044] ? kvasprintf_const+0x66/0x190
[ 71.621212][ T5044] __kmalloc_node_track_caller+0x50/0x100
[ 71.627207][ T5044] kvasprintf+0xbd/0x150
[ 71.631455][ T5044] ? bust_spinlocks+0xe0/0xe0
[ 71.636144][ T5044] kvasprintf_const+0x66/0x190
[ 71.640935][ T5044] kobject_set_name_vargs+0x5a/0x130
[ 71.646240][ T5044] dev_set_name+0xc8/0x100
[ 71.650677][ T5044] ? device_initialize+0x510/0x510
[ 71.655812][ T5044] usb_hub_create_port_device+0x399/0xe30
[ 71.661557][ T5044] hub_probe+0x1e66/0x3070
[ 71.665988][ T5044] ? lock_release+0x4bf/0x680
[ 71.670680][ T5044] ? usb_hub_adjust_deviceremovable+0x730/0x730
[ 71.676929][ T5044] ? reacquire_held_locks+0x4b0/0x4b0
[ 71.682353][ T5044] ? trace_seq_path+0x2c0/0x2e0
[ 71.687218][ T5044] ? read_tsc+0x9/0x20
[ 71.691292][ T5044] ? ktime_get_mono_fast_ns+0x182/0x200
[ 71.696868][ T5044] ? rcu_is_watching+0x12/0xb0
[ 71.702077][ T5044] usb_probe_interface+0x307/0x930
[ 71.707231][ T5044] ? usb_match_dynamic_id+0x1a0/0x1a0
[ 71.712639][ T5044] really_probe+0x234/0xc90
[ 71.717176][ T5044] __driver_probe_device+0x1de/0x4b0
[ 71.722496][ T5044] driver_probe_device+0x4c/0x1a0
[ 71.727535][ T5044] __device_attach_driver+0x1d4/0x300
[ 71.733265][ T5044] ? driver_probe_device+0x1a0/0x1a0
[ 71.738588][ T5044] bus_for_each_drv+0x157/0x1d0
[ 71.743449][ T5044] ? bus_for_each_dev+0x1d0/0x1d0
[ 71.748486][ T5044] ? rcu_is_watching+0x12/0xb0
[ 71.753255][ T5044] ? trace_irq_enable.constprop.0+0xd0/0x100
[ 71.759250][ T5044] ? _raw_spin_unlock_irqrestore+0x3b/0x70
[ 71.765072][ T5044] __device_attach+0x1e8/0x4b0
[ 71.769868][ T5044] ? device_driver_attach+0x200/0x200
[ 71.775685][ T5044] ? usb_ifnum_to_if+0x16f/0x1d0
[ 71.780646][ T5044] proc_ioctl+0x585/0x6a0
[ 71.784994][ T5044] usbdev_ioctl+0x1650/0x3ca0
[ 71.789687][ T5044] ? do_proc_control+0x1070/0x1070
[ 71.794824][ T5044] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 71.800741][ T5044] ? do_vfs_ioctl+0x379/0x1920
[ 71.805510][ T5044] ? vfs_fileattr_set+0xbf0/0xbf0
[ 71.810982][ T5044] ? rcu_is_watching+0x12/0xb0
[ 71.815839][ T5044] ? lock_release+0x4bf/0x680
[ 71.820540][ T5044] ? bpf_lsm_file_ioctl+0x9/0x10
[ 71.825490][ T5044] ? do_proc_control+0x1070/0x1070
[ 71.830622][ T5044] __x64_sys_ioctl+0x18f/0x210
[ 71.835498][ T5044] do_syscall_64+0x38/0xb0
[ 71.839948][ T5044] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 71.845875][ T5044] RIP: 0033:0x7f0f64570b79
[ 71.850295][ T5044] 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
[ 71.869909][ T5044] RSP: 002b:00007ffec1f5bb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.878324][ T5044] RAX: ffffffffffffffda RBX: 00007ffec1f5bbb0 RCX: 00007f0f64570b79
[ 71.886297][ T5044] RDX: 0000000020000040 RSI: 00000000c0105512 RDI: 0000000000000003
[ 71.894266][ T5044] RBP: 0000000000000002 R08: 00007ffec1f5b936 R09: 00000000000000a0
[ 71.902237][ T5044] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001
[ 71.910209][ T5044] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 71.918467][ T5044]
[ 71.926202][ T5044] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[ 71.937945][ T5044] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[ 71.946344][ T5044] CPU: 0 PID: 5044 Comm: syz-executor252 Not tainted 6.5.0-syzkaller-11812-g7733171926cc #0
[ 71.956420][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 71.966624][ T5044] RIP: 0010:strchr+0x1b/0xb0
[ 71.971237][ T5044] Code: d6 ad 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
[ 71.990864][ T5044] RSP: 0018:ffffc900039475b8 EFLAGS: 00010286
[ 71.997110][ T5044] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 72.005071][ T5044] RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000
[ 72.013052][ T5044] RBP: ffffc90003947648 R08: 0000000000000001 R09: 0000000000000000
[ 72.021055][ T5044] R10: 0000000000000001 R11: ffffffff81dd3e95 R12: ffffc90003947648
[ 72.029039][ T5044] R13: 0000000000000cc0 R14: ffff888141f9a078 R15: 0000000000000001
[ 72.037017][ T5044] FS: 0000555555b33380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 72.045954][ T5044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.052539][ T5044] CR2: 00007f86054f7ae0 CR3: 0000000073363000 CR4: 00000000003506f0
[ 72.060515][ T5044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 72.068580][ T5044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 72.076898][ T5044] Call Trace:
[ 72.080173][ T5044]
[ 72.083103][ T5044] ? show_regs+0x8f/0xa0
[ 72.087363][ T5044] ? die_addr+0x4f/0xd0
[ 72.091525][ T5044] ? exc_general_protection+0x154/0x230
[ 72.097095][ T5044] ? asm_exc_general_protection+0x26/0x30
[ 72.102845][ T5044] ? kasan_set_track+0x25/0x30
[ 72.107632][ T5044] ? strchr+0x1b/0xb0
[ 72.111642][ T5044] kvasprintf_const+0x25/0x190
[ 72.116872][ T5044] kobject_set_name_vargs+0x5a/0x130
[ 72.122172][ T5044] kobject_add+0x12a/0x240
[ 72.126599][ T5044] ? kset_create_and_add+0x190/0x190
[ 72.131904][ T5044] ? lockdep_init_map_type+0x16d/0x7c0
[ 72.137382][ T5044] ? class_to_subsys+0x12d/0x160
[ 72.142337][ T5044] device_add+0x290/0x1ac0
[ 72.146772][ T5044] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[ 72.153642][ T5044] ? __init_waitqueue_head+0xca/0x150
[ 72.159027][ T5044] usb_hub_create_port_device+0x3bb/0xe30
[ 72.164770][ T5044] hub_probe+0x1e66/0x3070
[ 72.169200][ T5044] ? lock_release+0x4bf/0x680
[ 72.173892][ T5044] ? usb_hub_adjust_deviceremovable+0x730/0x730
[ 72.180140][ T5044] ? reacquire_held_locks+0x4b0/0x4b0
[ 72.185523][ T5044] ? trace_seq_path+0x2c0/0x2e0
[ 72.190382][ T5044] ? read_tsc+0x9/0x20
[ 72.194456][ T5044] ? ktime_get_mono_fast_ns+0x182/0x200
[ 72.200025][ T5044] ? rcu_is_watching+0x12/0xb0
[ 72.204809][ T5044] usb_probe_interface+0x307/0x930
[ 72.209941][ T5044] ? usb_match_dynamic_id+0x1a0/0x1a0
[ 72.215356][ T5044] really_probe+0x234/0xc90
[ 72.219955][ T5044] __driver_probe_device+0x1de/0x4b0
[ 72.225258][ T5044] driver_probe_device+0x4c/0x1a0
[ 72.230303][ T5044] __device_attach_driver+0x1d4/0x300
[ 72.235685][ T5044] ? driver_probe_device+0x1a0/0x1a0
[ 72.241153][ T5044] bus_for_each_drv+0x157/0x1d0
[ 72.246014][ T5044] ? bus_for_each_dev+0x1d0/0x1d0
[ 72.251063][ T5044] ? rcu_is_watching+0x12/0xb0
[ 72.255855][ T5044] ? trace_irq_enable.constprop.0+0xd0/0x100
[ 72.261869][ T5044] ? _raw_spin_unlock_irqrestore+0x3b/0x70
[ 72.267701][ T5044] __device_attach+0x1e8/0x4b0
[ 72.272479][ T5044] ? device_driver_attach+0x200/0x200
[ 72.277863][ T5044] ? usb_ifnum_to_if+0x16f/0x1d0
[ 72.282912][ T5044] proc_ioctl+0x585/0x6a0
[ 72.287258][ T5044] usbdev_ioctl+0x1650/0x3ca0
[ 72.291952][ T5044] ? do_proc_control+0x1070/0x1070
[ 72.297076][ T5044] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 72.303251][ T5044] ? do_vfs_ioctl+0x379/0x1920
[ 72.308020][ T5044] ? vfs_fileattr_set+0xbf0/0xbf0
[ 72.313155][ T5044] ? rcu_is_watching+0x12/0xb0
[ 72.317930][ T5044] ? lock_release+0x4bf/0x680
[ 72.322630][ T5044] ? bpf_lsm_file_ioctl+0x9/0x10
[ 72.327583][ T5044] ? do_proc_control+0x1070/0x1070
[ 72.332709][ T5044] __x64_sys_ioctl+0x18f/0x210
[ 72.337482][ T5044] do_syscall_64+0x38/0xb0
[ 72.341916][ T5044] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 72.347833][ T5044] RIP: 0033:0x7f0f64570b79
[ 72.352252][ T5044] 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
[ 72.372037][ T5044] RSP: 002b:00007ffec1f5bb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 72.380452][ T5044] RAX: ffffffffffffffda RBX: 00007ffec1f5bbb0 RCX: 00007f0f64570b79
[ 72.388426][ T5044] RDX: 0000000020000040 RSI: 00000000c0105512 RDI: 0000000000000003
[ 72.396400][ T5044] RBP: 0000000000000002 R08: 00007ffec1f5b936 R09: 00000000000000a0
[ 72.404370][ T5044] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001
[ 72.412362][ T5044] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 72.420358][ T5044]
[ 72.423376][ T5044] Modules linked in:
[ 72.427551][ T5044] ---[ end trace 0000000000000000 ]---
[ 72.433000][ T5044] RIP: 0010:strchr+0x1b/0xb0
[ 72.437642][ T5044] Code: d6 ad 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
[ 72.457643][ T5044] RSP: 0018:ffffc900039475b8 EFLAGS: 00010286
[ 72.463715][ T5044] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 72.471711][ T5044] RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000
[ 72.479752][ T5044] RBP: ffffc90003947648 R08: 0000000000000001 R09: 0000000000000000
[ 72.487772][ T5044] R10: 0000000000000001 R11: ffffffff81dd3e95 R12: ffffc90003947648
[ 72.495769][ T5044] R13: 0000000000000cc0 R14: ffff888141f9a078 R15: 0000000000000001
[ 72.503781][ T5044] FS: 0000555555b33380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 72.513018][ T5044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.519762][ T5044] CR2: 00007f86054f7ae0 CR3: 0000000073363000 CR4: 00000000003506f0
[ 72.527878][ T5044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 72.535847][ T5044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 72.544020][ T5044] Kernel panic - not syncing: Fatal exception
[ 72.550394][ T5044] Kernel Offset: disabled
[ 72.554713][ T5044] Rebooting in 86400 seconds..