./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2291612158 <...> Warning: Permanently added '10.128.0.99' (ED25519) to the list of known hosts. execve("./syz-executor2291612158", ["./syz-executor2291612158"], 0x7ffebf8f9f00 /* 10 vars */) = 0 brk(NULL) = 0x555555857000 brk(0x555555857d00) = 0x555555857d00 arch_prctl(ARCH_SET_FS, 0x555555857380) = 0 set_tid_address(0x555555857650) = 5042 set_robust_list(0x555555857660, 24) = 0 rseq(0x555555857ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2291612158", 4096) = 28 getrandom("\xec\x3c\xbc\x37\x3e\x63\xa9\x6b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555857d00 brk(0x555555878d00) = 0x555555878d00 brk(0x555555879000) = 0x555555879000 mprotect(0x7fc4df503000, 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=0x555555857650) = 5043 ./strace-static-x86_64: Process 5043 attached [pid 5043] set_robust_list(0x555555857660, 24) = 0 [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5043] setpgid(0, 0) = 0 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1000", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/dev/uinput", O_RDONLY) = 3 [pid 5043] ioctl(3, UI_DEV_SETUP, 0x20000080) = 0 [pid 5043] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 5043] write(4, "49", 2) = 2 [ 85.355833][ T5043] input: syz0 as /devices/virtual/input/input5 [ 85.362346][ T5043] FAULT_INJECTION: forcing a failure. [ 85.362346][ T5043] name failslab, interval 1, probability 0, space 0, times 1 [ 85.375604][ T5043] CPU: 0 PID: 5043 Comm: syz-executor229 Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0 [ 85.385694][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 85.395741][ T5043] Call Trace: [ 85.399016][ T5043] [ 85.401958][ T5043] dump_stack_lvl+0x125/0x1b0 [ 85.406850][ T5043] should_fail_ex+0x496/0x5b0 [ 85.411581][ T5043] should_failslab+0x9/0x20 [ 85.416083][ T5043] __kmem_cache_alloc_node+0x2fd/0x350 [ 85.421552][ T5043] ? kvasprintf_const+0x66/0x190 [ 85.426518][ T5043] ? pointer+0xbf0/0xbf0 [ 85.430790][ T5043] ? kvasprintf_const+0x66/0x190 [ 85.435737][ T5043] __kmalloc_node_track_caller+0x50/0x100 [ 85.441461][ T5043] kvasprintf+0xbd/0x150 [ 85.445712][ T5043] ? bust_spinlocks+0xe0/0xe0 [ 85.450400][ T5043] kvasprintf_const+0x66/0x190 [ 85.455170][ T5043] kobject_set_name_vargs+0x5a/0x130 [ 85.460464][ T5043] dev_set_name+0xc8/0x100 [ 85.464896][ T5043] ? device_initialize+0x510/0x510 [ 85.470044][ T5043] ? lockdep_init_map_type+0x16d/0x7c0 [ 85.475521][ T5043] ? lockdep_init_map_type+0x16d/0x7c0 [ 85.481001][ T5043] evdev_connect+0x17a/0x4c0 [ 85.485602][ T5043] input_attach_handler.isra.0+0x17c/0x250 [ 85.491431][ T5043] input_register_device+0xb1e/0x1130 [ 85.496829][ T5043] uinput_ioctl_handler.isra.0+0x1308/0x1d70 [ 85.502833][ T5043] ? uinput_ff_upload_to_user+0x2a0/0x2a0 [ 85.508571][ T5043] ? rcu_is_watching+0x12/0xb0 [ 85.513338][ T5043] ? lock_release+0x4bf/0x680 [ 85.518036][ T5043] ? bpf_lsm_file_ioctl+0x9/0x10 [ 85.522983][ T5043] ? uinput_ioctl_handler.isra.0+0x1d70/0x1d70 [ 85.529150][ T5043] __x64_sys_ioctl+0x18f/0x210 [ 85.533919][ T5043] do_syscall_64+0x38/0xb0 [ 85.538350][ T5043] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.544264][ T5043] RIP: 0033:0x7fc4df48fd79 [ 85.548685][ T5043] 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 [ 85.568297][ T5043] RSP: 002b:00007ffe11022478 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.576717][ T5043] RAX: ffffffffffffffda RBX: 00007ffe11022490 RCX: 00007fc4df48fd79 [ 85.584695][ T5043] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 [ 85.592667][ T5043] RBP: 0000000000000002 R08: 00007ffe11022216 R09: 00000000000000a0 [ 85.600642][ T5043] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001 [ 85.608627][ T5043] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 85.616627][ T5043] [ 85.624260][ T5043] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 85.636003][ T5043] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 85.644405][ T5043] CPU: 0 PID: 5043 Comm: syz-executor229 Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0 [ 85.654495][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 85.664557][ T5043] RIP: 0010:strchr+0x1b/0xb0 [ 85.669160][ T5043] Code: f6 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 [ 85.688791][ T5043] RSP: 0018:ffffc90003acfa38 EFLAGS: 00010282 [ 85.694873][ T5043] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 85.702845][ T5043] RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000 [ 85.710816][ T5043] RBP: ffffc90003acfac8 R08: 0000000000000001 R09: 0000000000000000 [ 85.718787][ T5043] R10: 0000000000000001 R11: ffffffff8a60008b R12: ffffc90003acfac8 [ 85.726778][ T5043] R13: 0000000000000cc0 R14: ffff8880211cd2f0 R15: 0000000000000001 [ 85.734851][ T5043] FS: 0000555555857380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 85.743789][ T5043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.750378][ T5043] CR2: 00007fc4df4c2c80 CR3: 00000000778b7000 CR4: 00000000003506f0 [ 85.758363][ T5043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.766345][ T5043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.774328][ T5043] Call Trace: [ 85.777616][ T5043] [ 85.780554][ T5043] ? show_regs+0x8f/0xa0 [ 85.784810][ T5043] ? die_addr+0x4f/0xd0 [ 85.788979][ T5043] ? exc_general_protection+0x154/0x230 [ 85.794547][ T5043] ? asm_exc_general_protection+0x26/0x30 [ 85.800293][ T5043] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.806386][ T5043] ? strchr+0x1b/0xb0 [ 85.810379][ T5043] ? lock_release+0x4bf/0x680 [ 85.815074][ T5043] kvasprintf_const+0x25/0x190 [ 85.819851][ T5043] kobject_set_name_vargs+0x5a/0x130 [ 85.825148][ T5043] kobject_add+0x12a/0x240 [ 85.829577][ T5043] ? kset_create_and_add+0x190/0x190 [ 85.834907][ T5043] ? do_raw_spin_unlock+0x173/0x230 [ 85.840170][ T5043] ? kobject_put+0xbe/0x440 [ 85.844687][ T5043] device_add+0x290/0x1ac0 [ 85.849132][ T5043] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 85.856002][ T5043] ? __register_chrdev+0x270/0x270 [ 85.861146][ T5043] ? kobject_get+0xbb/0x140 [ 85.865662][ T5043] cdev_device_add+0x12b/0x270 [ 85.870452][ T5043] evdev_connect+0x3a0/0x4c0 [ 85.875049][ T5043] input_attach_handler.isra.0+0x17c/0x250 [ 85.880877][ T5043] input_register_device+0xb1e/0x1130 [ 85.886268][ T5043] uinput_ioctl_handler.isra.0+0x1308/0x1d70 [ 85.892259][ T5043] ? uinput_ff_upload_to_user+0x2a0/0x2a0 [ 85.897993][ T5043] ? rcu_is_watching+0x12/0xb0 [ 85.902762][ T5043] ? lock_release+0x4bf/0x680 [ 85.907467][ T5043] ? bpf_lsm_file_ioctl+0x9/0x10 [ 85.912424][ T5043] ? uinput_ioctl_handler.isra.0+0x1d70/0x1d70 [ 85.918590][ T5043] __x64_sys_ioctl+0x18f/0x210 [ 85.923363][ T5043] do_syscall_64+0x38/0xb0 [ 85.927803][ T5043] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.933727][ T5043] RIP: 0033:0x7fc4df48fd79 [ 85.938148][ T5043] 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 [ 85.957764][ T5043] RSP: 002b:00007ffe11022478 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.966181][ T5043] RAX: ffffffffffffffda RBX: 00007ffe11022490 RCX: 00007fc4df48fd79 [ 85.974152][ T5043] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 [ 85.982126][ T5043] RBP: 0000000000000002 R08: 00007ffe11022216 R09: 00000000000000a0 [ 85.990101][ T5043] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001 [ 85.998076][ T5043] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 86.006060][ T5043] [ 86.009085][ T5043] Modules linked in: [ 86.013995][ T5043] ---[ end trace 0000000000000000 ]--- [ 86.025655][ T5043] RIP: 0010:strchr+0x1b/0xb0 [ 86.030446][ T5043] Code: f6 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 [ 86.050260][ T5043] RSP: 0018:ffffc90003acfa38 EFLAGS: 00010282 [ 86.056328][ T5043] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 86.064727][ T5043] RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000 [ 86.072906][ T5043] RBP: ffffc90003acfac8 R08: 0000000000000001 R09: 0000000000000000 [ 86.081073][ T5043] R10: 0000000000000001 R11: ffffffff8a60008b R12: ffffc90003acfac8 [ 86.089254][ T5043] R13: 0000000000000cc0 R14: ffff8880211cd2f0 R15: 0000000000000001 [ 86.097514][ T5043] FS: 0000555555857380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 86.106697][ T5043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.113309][ T5043] CR2: 000055af4454a0b8 CR3: 00000000778b7000 CR4: 00000000003506f0 [ 86.121593][ T5043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.129896][ T5043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.137903][ T5043] Kernel panic - not syncing: Fatal exception [ 86.144308][ T5043] Kernel Offset: disabled [ 86.148632][ T5043] Rebooting in 86400 seconds..