./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3572793677 <...> Warning: Permanently added '10.128.0.54' (ED25519) to the list of known hosts. execve("./syz-executor3572793677", ["./syz-executor3572793677"], 0x7ffc1c608d90 /* 10 vars */) = 0 brk(NULL) = 0x555556932000 brk(0x555556932d00) = 0x555556932d00 arch_prctl(ARCH_SET_FS, 0x555556932380) = 0 set_tid_address(0x555556932650) = 5068 set_robust_list(0x555556932660, 24) = 0 rseq(0x555556932ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3572793677", 4096) = 28 getrandom("\x4a\x9f\x96\x4b\x2b\x18\x94\x04", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556932d00 brk(0x555556953d00) = 0x555556953d00 brk(0x555556954000) = 0x555556954000 mprotect(0x7f6c63e49000, 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 [ 56.002770][ T5068] divide error: 0000 [#1] PREEMPT SMP KASAN [ 56.008712][ T5068] CPU: 0 PID: 5068 Comm: syz-executor357 Not tainted 6.6.0-syzkaller-16039-gac347a0655db #0 [ 56.018761][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 56.028814][ T5068] RIP: 0010:drm_mode_debug_printmodeline+0x118/0x4e0 [ 56.035496][ T5068] Code: 00 41 0f b7 07 66 83 f8 02 b9 01 00 00 00 0f 43 c8 0f b7 c1 0f af e8 44 89 f0 48 69 c8 e8 03 00 00 89 e8 d1 e8 48 01 c8 31 d2 <48> f7 f5 49 89 c6 eb 0c e8 fb 07 66 fc eb 05 e8 f4 07 66 fc 48 89 [ 56.055089][ T5068] RSP: 0018:ffffc9000391f8d0 EFLAGS: 00010246 [ 56.061149][ T5068] RAX: 000000000001f400 RBX: ffff888025045000 RCX: 000000000001f400 [ 56.069104][ T5068] RDX: 0000000000000000 RSI: 0000000000008000 RDI: ffff888025045018 [ 56.077053][ T5068] RBP: 0000000000000000 R08: ffffffff8528b9af R09: 0000000000000000 [ 56.085109][ T5068] R10: ffffc9000391f8a0 R11: fffff52000723f17 R12: 0000000000000080 [ 56.093061][ T5068] R13: dffffc0000000000 R14: 0000000000000080 R15: ffff888025045016 [ 56.101012][ T5068] FS: 0000555556932380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.109935][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.116495][ T5068] CR2: 00000000005fdeb8 CR3: 000000007fcff000 CR4: 00000000003506f0 [ 56.124443][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.132388][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.140337][ T5068] Call Trace: [ 56.143595][ T5068] [ 56.146503][ T5068] ? __die_body+0x8b/0xe0 [ 56.150821][ T5068] ? die+0xa1/0xd0 [ 56.154516][ T5068] ? do_trap+0x153/0x380 [ 56.158751][ T5068] ? drm_mode_debug_printmodeline+0x118/0x4e0 [ 56.164797][ T5068] ? do_error_trap+0x1dc/0x2c0 [ 56.169536][ T5068] ? drm_mode_debug_printmodeline+0x118/0x4e0 [ 56.178808][ T5068] ? do_int3+0x50/0x50 [ 56.182922][ T5068] ? rcu_is_watching+0x15/0xb0 [ 56.187666][ T5068] ? exc_divide_error+0x38/0x50 [ 56.192530][ T5068] ? drm_mode_debug_printmodeline+0x118/0x4e0 [ 56.198578][ T5068] ? asm_exc_divide_error+0x1a/0x20 [ 56.203771][ T5068] ? drm_mode_debug_printmodeline+0x7f/0x4e0 [ 56.209749][ T5068] ? drm_mode_debug_printmodeline+0x118/0x4e0 [ 56.215790][ T5068] drm_mode_setcrtc+0x83b/0x1880 [ 56.220720][ T5068] ? drm_crtc_check_viewport+0x3a0/0x3a0 [ 56.226336][ T5068] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.231511][ T5068] ? _raw_spin_unlock+0x28/0x40 [ 56.236333][ T5068] drm_ioctl_kernel+0x362/0x500 [ 56.241166][ T5068] ? drm_crtc_check_viewport+0x3a0/0x3a0 [ 56.246801][ T5068] ? drm_copy_field+0x170/0x170 [ 56.251645][ T5068] ? __might_fault+0xc1/0x120 [ 56.256306][ T5068] drm_ioctl+0x636/0xb00 [ 56.260535][ T5068] ? drm_crtc_check_viewport+0x3a0/0x3a0 [ 56.266155][ T5068] ? drm_ioctl_kernel+0x500/0x500 [ 56.271161][ T5068] ? print_irqtrace_events+0x220/0x220 [ 56.276600][ T5068] ? bpf_lsm_file_ioctl+0x9/0x10 [ 56.281518][ T5068] ? security_file_ioctl+0x81/0xa0 [ 56.286610][ T5068] ? drm_ioctl_kernel+0x500/0x500 [ 56.291615][ T5068] __se_sys_ioctl+0xf8/0x170 [ 56.296180][ T5068] do_syscall_64+0x44/0x110 [ 56.300685][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.306643][ T5068] RIP: 0033:0x7f6c63dd6729 [ 56.311037][ T5068] 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 [ 56.330724][ T5068] RSP: 002b:00007ffcde0dd0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.339138][ T5068] RAX: ffffffffffffffda RBX: 00007ffcde0dd2b8 RCX: 00007f6c63dd6729 [ 56.347106][ T5068] RDX: 0000000020000180 RSI: 00000000c06864a2 RDI: 0000000000000003 [ 56.355151][ T5068] RBP: 00007f6c63e49610 R08: 00000000fffff4e6 R09: 00007ffcde0dd2b8 [ 56.363103][ T5068] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000001 [ 56.371069][ T5068] R13: 00007ffcde0dd2a8 R14: 0000000000000001 R15: 0000000000000001 [ 56.379035][ T5068] [ 56.382035][ T5068] Modules linked in: [ 56.386107][ T5068] ---[ end trace 0000000000000000 ]--- [ 56.391630][ T5068] RIP: 0010:drm_mode_debug_printmodeline+0x118/0x4e0 [ 56.398350][ T5068] Code: 00 41 0f b7 07 66 83 f8 02 b9 01 00 00 00 0f 43 c8 0f b7 c1 0f af e8 44 89 f0 48 69 c8 e8 03 00 00 89 e8 d1 e8 48 01 c8 31 d2 <48> f7 f5 49 89 c6 eb 0c e8 fb 07 66 fc eb 05 e8 f4 07 66 fc 48 89 [ 56.418160][ T5068] RSP: 0018:ffffc9000391f8d0 EFLAGS: 00010246 [ 56.424229][ T5068] RAX: 000000000001f400 RBX: ffff888025045000 RCX: 000000000001f400 [ 56.432309][ T5068] RDX: 0000000000000000 RSI: 0000000000008000 RDI: ffff888025045018 [ 56.440310][ T5068] RBP: 0000000000000000 R08: ffffffff8528b9af R09: 0000000000000000 [ 56.448305][ T5068] R10: ffffc9000391f8a0 R11: fffff52000723f17 R12: 0000000000000080 [ 56.456271][ T5068] R13: dffffc0000000000 R14: 0000000000000080 R15: ffff888025045016 [ 56.464348][ T5068] FS: 0000555556932380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.473325][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.479927][ T5068] CR2: 000000000064392c CR3: 000000007fcff000 CR4: 00000000003506f0 [ 56.487930][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.496144][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.504130][ T5068] Kernel panic - not syncing: Fatal exception [ 56.510281][ T5068] Kernel Offset: disabled [ 56.514592][ T5068] Rebooting in 86400 seconds..