./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4145908392 <...> Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. execve("./syz-executor4145908392", ["./syz-executor4145908392"], 0x7ffcb44cf2f0 /* 10 vars */) = 0 brk(NULL) = 0x555557515000 brk(0x555557515d00) = 0x555557515d00 arch_prctl(ARCH_SET_FS, 0x555557515380) = 0 set_tid_address(0x555557515650) = 5018 set_robust_list(0x555557515660, 24) = 0 rseq(0x555557515ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4145908392", 4096) = 28 getrandom("\x73\xb9\xaf\x54\xfe\x21\xb3\x8c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557515d00 brk(0x555557536d00) = 0x555557536d00 brk(0x555557537000) = 0x555557537000 mprotect(0x7fee0df6b000, 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, "/dev/dri/card1", O_RDONLY) = 3 openat(AT_FDCWD, "/dev/dri/card1", O_RDONLY) = 4 ioctl(4, DRM_IOCTL_MODE_GETRESOURCES, 0x20000200) = 0 openat(AT_FDCWD, "/dev/dri/card1", O_RDONLY) = 5 ioctl(5, DRM_IOCTL_MODE_GETRESOURCES, 0x20000200) = 0 ioctl(5, DRM_IOCTL_MODE_GETCRTC, 0x20000080) = 0 [ 39.168100][ T5018] divide error: 0000 [#1] PREEMPT SMP KASAN [ 39.174018][ T5018] CPU: 0 PID: 5018 Comm: syz-executor414 Not tainted 6.5.0-rc2-syzkaller #0 [ 39.182677][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 39.192713][ T5018] RIP: 0010:drm_mode_vrefresh+0x199/0x200 [ 39.198440][ T5018] Code: 89 de e8 ea 96 d7 fc 66 83 fb 01 76 08 e8 8f 9b d7 fc 0f af eb e8 87 9b d7 fc 4d 69 e4 e8 03 00 00 89 e8 31 d2 d1 e8 4c 01 e0 <48> f7 f5 48 89 c3 e8 6c 9b d7 fc 89 d8 5b 5d 41 5c 41 5d 41 5e c3 [ 39.218038][ T5018] RSP: 0018:ffffc90003b0fa00 EFLAGS: 00010206 [ 39.224081][ T5018] RAX: 000000000001f400 RBX: 0000000000000400 RCX: 0000000000000000 [ 39.232071][ T5018] RDX: 0000000000000000 RSI: ffffffff84aed5f9 RDI: 0000000000000003 [ 39.240060][ T5018] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001 [ 39.248019][ T5018] R10: 0000000000000400 R11: ffffffff8a31a348 R12: 000000000001f400 [ 39.256166][ T5018] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000008 [ 39.264129][ T5018] FS: 0000555557515380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.273046][ T5018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.279633][ T5018] CR2: 0000000020000080 CR3: 000000002cf74000 CR4: 0000000000350ef0 [ 39.287588][ T5018] Call Trace: [ 39.290871][ T5018] [ 39.293785][ T5018] ? die+0x31/0x80 [ 39.297509][ T5018] ? do_trap+0x1ab/0x3b0 [ 39.301734][ T5018] ? drm_mode_vrefresh+0x199/0x200 [ 39.306828][ T5018] ? do_error_trap+0x9e/0x160 [ 39.311507][ T5018] ? drm_mode_vrefresh+0x199/0x200 [ 39.316605][ T5018] ? exc_divide_error+0x38/0x50 [ 39.321479][ T5018] ? drm_mode_vrefresh+0x199/0x200 [ 39.326576][ T5018] ? asm_exc_divide_error+0x1a/0x20 [ 39.331753][ T5018] ? do_syscall_64+0x38/0xb0 [ 39.336348][ T5018] ? drm_mode_vrefresh+0x189/0x200 [ 39.341454][ T5018] ? drm_mode_vrefresh+0x199/0x200 [ 39.346573][ T5018] drm_mode_debug_printmodeline+0x233/0x300 [ 39.352457][ T5018] drm_mode_setcrtc+0x1227/0x1700 [ 39.357469][ T5018] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 39.363434][ T5018] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 39.369403][ T5018] ? drm_mode_getcrtc+0x770/0x770 [ 39.374469][ T5018] ? lock_acquire+0x1ae/0x510 [ 39.379134][ T5018] ? find_held_lock+0x2d/0x110 [ 39.383887][ T5018] ? do_raw_spin_unlock+0x173/0x230 [ 39.389115][ T5018] drm_ioctl_kernel+0x280/0x4c0 [ 39.393952][ T5018] ? drm_mode_getcrtc+0x770/0x770 [ 39.398981][ T5018] ? drm_setversion+0x870/0x870 [ 39.403841][ T5018] drm_ioctl+0x5cb/0xbf0 [ 39.408078][ T5018] ? drm_mode_getcrtc+0x770/0x770 [ 39.413084][ T5018] ? drm_ioctl_kernel+0x4c0/0x4c0 [ 39.418093][ T5018] ? bpf_lsm_file_ioctl+0x9/0x10 [ 39.423009][ T5018] ? drm_ioctl_kernel+0x4c0/0x4c0 [ 39.428016][ T5018] __x64_sys_ioctl+0x18f/0x210 [ 39.432773][ T5018] do_syscall_64+0x38/0xb0 [ 39.437212][ T5018] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.443101][ T5018] RIP: 0033:0x7fee0def8729 [ 39.447503][ T5018] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 39.467367][ T5018] RSP: 002b:00007ffde014b8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.475793][ T5018] RAX: ffffffffffffffda RBX: 00007ffde014ba98 RCX: 00007fee0def8729 [ 39.483749][ T5018] RDX: 0000000020000180 RSI: 00000000c06864a2 RDI: 0000000000000003 [ 39.491707][ T5018] RBP: 00007fee0df6b610 R08: 00000000fffff4e6 R09: 00007ffde014ba98 [ 39.499688][ T5018] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000001 [ 39.507644][ T5018] R13: 00007ffde014ba88 R14: 0000000000000001 R15: 0000000000000001 [ 39.515602][ T5018] [ 39.518603][ T5018] Modules linked in: [ 39.522957][ T5018] ---[ end trace 0000000000000000 ]--- [ 39.528437][ T5018] RIP: 0010:drm_mode_vrefresh+0x199/0x200 [ 39.534167][ T5018] Code: 89 de e8 ea 96 d7 fc 66 83 fb 01 76 08 e8 8f 9b d7 fc 0f af eb e8 87 9b d7 fc 4d 69 e4 e8 03 00 00 89 e8 31 d2 d1 e8 4c 01 e0 <48> f7 f5 48 89 c3 e8 6c 9b d7 fc 89 d8 5b 5d 41 5c 41 5d 41 5e c3 [ 39.553815][ T5018] RSP: 0018:ffffc90003b0fa00 EFLAGS: 00010206 [ 39.559987][ T5018] RAX: 000000000001f400 RBX: 0000000000000400 RCX: 0000000000000000 [ 39.567970][ T5018] RDX: 0000000000000000 RSI: ffffffff84aed5f9 RDI: 0000000000000003 [ 39.576059][ T5018] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001 [ 39.584011][ T5018] R10: 0000000000000400 R11: ffffffff8a31a348 R12: 000000000001f400 [ 39.591993][ T5018] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000008 [ 39.600014][ T5018] FS: 0000555557515380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.608964][ T5018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.615564][ T5018] CR2: 0000000020000080 CR3: 000000002cf74000 CR4: 0000000000350ef0 [ 39.624358][ T5018] Kernel panic - not syncing: Fatal exception [ 39.631085][ T5018] Kernel Offset: disabled [ 39.635395][ T5018] Rebooting in 86400 seconds..