./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor201608117 <...> Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. execve("./syz-executor201608117", ["./syz-executor201608117"], 0x7fff50f4eda0 /* 10 vars */) = 0 brk(NULL) = 0x555555c18000 brk(0x555555c18d00) = 0x555555c18d00 arch_prctl(ARCH_SET_FS, 0x555555c18380) = 0 set_tid_address(0x555555c18650) = 5068 set_robust_list(0x555555c18660, 24) = 0 rseq(0x555555c18ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor201608117", 4096) = 27 getrandom("\x0a\x00\x1b\x6d\x96\x09\xcf\x00", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c18d00 brk(0x555555c39d00) = 0x555555c39d00 brk(0x555555c3a000) = 0x555555c3a000 mprotect(0x7fd888e8e000, 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 openat(AT_FDCWD, "/dev/dri/card1", O_RDONLY) = 5 ioctl(3, DRM_IOCTL_MODE_GETRESOURCES, 0x20000540) = 0 ioctl(5, DRM_IOCTL_SET_CLIENT_CAP, 0x20000000) = 0 ioctl(5, DRM_IOCTL_MODE_GETPLANERESOURCES, 0x20000140) = 0 ioctl(5, DRM_IOCTL_MODE_GETPLANE, 0x200001c0) = 0 ioctl(4, DRM_IOCTL_MODE_GETPLANE, 0x20000200) = 0 [ 74.018312][ T5068] divide error: 0000 [#1] PREEMPT SMP KASAN PTI [ 74.024603][ T5068] CPU: 0 PID: 5068 Comm: syz-executor201 Not tainted 6.8.0-rc3-next-20240209-syzkaller #0 [ 74.034496][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 74.044549][ T5068] RIP: 0010:drm_mode_convert_to_umode+0x36a/0xc30 [ 74.050987][ T5068] Code: 0f b7 03 66 83 f8 02 b9 01 00 00 00 0f 43 c8 0f b7 c1 44 0f af f8 44 89 f0 48 69 c8 e8 03 00 00 44 89 f8 d1 e8 48 01 c8 31 d2 <49> f7 f7 48 89 c3 eb 1a e8 19 a2 47 fc eb 05 e8 12 a2 47 fc 48 8b [ 74.070615][ T5068] RSP: 0018:ffffc900034ff660 EFLAGS: 00010246 [ 74.076713][ T5068] RAX: 0000000000001f40 RBX: ffff8880176d9016 RCX: 0000000000001f40 [ 74.084681][ T5068] RDX: 0000000000000000 RSI: ffffc900034ff720 RDI: dffffc0000000000 [ 74.092647][ T5068] RBP: 0000000000000200 R08: ffffffff854c389a R09: ffff8880176d900a [ 74.100614][ T5068] R10: dffffc0000000000 R11: ffffed100366d143 R12: 1ffff11002edb202 [ 74.108579][ T5068] R13: ffff8880176d9000 R14: 0000000000000008 R15: 0000000000000000 [ 74.116544][ T5068] FS: 0000555555c18380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 74.125466][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.132046][ T5068] CR2: 00000000005fdeb8 CR3: 0000000011012000 CR4: 00000000003506f0 [ 74.140014][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.147978][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.156028][ T5068] Call Trace: [ 74.159308][ T5068] [ 74.162245][ T5068] ? __die_body+0x88/0xe0 [ 74.166581][ T5068] ? die+0xcf/0x110 [ 74.170479][ T5068] ? do_trap+0x15a/0x3a0 [ 74.174808][ T5068] ? drm_mode_convert_to_umode+0x36a/0xc30 [ 74.180611][ T5068] ? do_error_trap+0x1dc/0x2c0 [ 74.185371][ T5068] ? drm_mode_convert_to_umode+0x36a/0xc30 [ 74.191175][ T5068] ? drm_atomic_get_plane_state+0x247/0x500 [ 74.197076][ T5068] ? __drm_atomic_helper_set_config+0x149/0xf80 [ 74.203309][ T5068] ? drm_atomic_helper_set_config+0x8b/0x150 [ 74.209303][ T5068] ? __pfx_do_error_trap+0x10/0x10 [ 74.214461][ T5068] ? rcu_is_watching+0x15/0xb0 [ 74.219237][ T5068] ? exc_divide_error+0x39/0x50 [ 74.224103][ T5068] ? drm_mode_convert_to_umode+0x36a/0xc30 [ 74.230004][ T5068] ? asm_exc_divide_error+0x1a/0x20 [ 74.235209][ T5068] ? drm_mode_convert_to_umode+0x2ca/0xc30 [ 74.241017][ T5068] ? drm_mode_convert_to_umode+0x36a/0xc30 [ 74.246823][ T5068] ? __pfx_drm_property_free_blob+0x10/0x10 [ 74.252716][ T5068] drm_atomic_set_mode_for_crtc+0x14a/0x4a0 [ 74.258613][ T5068] ? __pfx_drm_atomic_set_mode_for_crtc+0x10/0x10 [ 74.265028][ T5068] ? drm_atomic_get_plane_state+0x46a/0x500 [ 74.270947][ T5068] __drm_atomic_helper_set_config+0x255/0xf80 [ 74.277042][ T5068] ? __pfx___drm_atomic_helper_set_config+0x10/0x10 [ 74.283639][ T5068] ? drm_atomic_state_init+0x22e/0x2f0 [ 74.289107][ T5068] drm_atomic_helper_set_config+0x8b/0x150 [ 74.294921][ T5068] drm_mode_setcrtc+0xbae/0x17c0 [ 74.299876][ T5068] ? __pfx_drm_mode_setcrtc+0x10/0x10 [ 74.305255][ T5068] ? do_raw_spin_unlock+0x13c/0x8b0 [ 74.310461][ T5068] ? _raw_spin_unlock+0x28/0x50 [ 74.315406][ T5068] drm_ioctl_kernel+0x33a/0x440 [ 74.320256][ T5068] ? __pfx_drm_mode_setcrtc+0x10/0x10 [ 74.325715][ T5068] ? __pfx_drm_ioctl_kernel+0x10/0x10 [ 74.331088][ T5068] ? __might_fault+0xc6/0x120 [ 74.335767][ T5068] drm_ioctl+0x63a/0xb10 [ 74.340011][ T5068] ? __pfx_drm_mode_setcrtc+0x10/0x10 [ 74.345472][ T5068] ? __pfx_drm_ioctl+0x10/0x10 [ 74.350241][ T5068] ? bpf_lsm_file_ioctl+0x9/0x10 [ 74.355176][ T5068] ? security_file_ioctl+0x87/0xb0 [ 74.360306][ T5068] ? __pfx_drm_ioctl+0x10/0x10 [ 74.365086][ T5068] __se_sys_ioctl+0xfc/0x170 [ 74.369673][ T5068] do_syscall_64+0xfb/0x240 [ 74.374172][ T5068] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.380061][ T5068] RIP: 0033:0x7fd888e1b7e9 [ 74.384468][ 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 [ 74.404591][ T5068] RSP: 002b:00007ffd99378a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.413003][ T5068] RAX: ffffffffffffffda RBX: 00007ffd99378c38 RCX: 00007fd888e1b7e9 [ 74.420971][ T5068] RDX: 0000000020000400 RSI: 00000000c06864a2 RDI: 0000000000000003 [ 74.428948][ T5068] RBP: 00007fd888e8e610 R08: 0000000000000005 R09: 00007ffd99378c38 [ 74.436914][ T5068] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 [ 74.444878][ T5068] R13: 00007ffd99378c28 R14: 0000000000000001 R15: 0000000000000001 [ 74.452854][ T5068] [ 74.455865][ T5068] Modules linked in: [ 74.460079][ T5068] ---[ end trace 0000000000000000 ]--- [ 74.465567][ T5068] RIP: 0010:drm_mode_convert_to_umode+0x36a/0xc30 [ 74.472064][ T5068] Code: 0f b7 03 66 83 f8 02 b9 01 00 00 00 0f 43 c8 0f b7 c1 44 0f af f8 44 89 f0 48 69 c8 e8 03 00 00 44 89 f8 d1 e8 48 01 c8 31 d2 <49> f7 f7 48 89 c3 eb 1a e8 19 a2 47 fc eb 05 e8 12 a2 47 fc 48 8b [ 74.491764][ T5068] RSP: 0018:ffffc900034ff660 EFLAGS: 00010246 [ 74.497839][ T5068] RAX: 0000000000001f40 RBX: ffff8880176d9016 RCX: 0000000000001f40 [ 74.505854][ T5068] RDX: 0000000000000000 RSI: ffffc900034ff720 RDI: dffffc0000000000 [ 74.513885][ T5068] RBP: 0000000000000200 R08: ffffffff854c389a R09: ffff8880176d900a [ 74.521891][ T5068] R10: dffffc0000000000 R11: ffffed100366d143 R12: 1ffff11002edb202 [ 74.529921][ T5068] R13: ffff8880176d9000 R14: 0000000000000008 R15: 0000000000000000 [ 74.537892][ T5068] FS: 0000555555c18380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 74.546883][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.553616][ T5068] CR2: 00007fd888e95270 CR3: 0000000011012000 CR4: 00000000003506f0 [ 74.561630][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.569653][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.577624][ T5068] Kernel panic - not syncing: Fatal exception [ 74.583912][ T5068] Kernel Offset: disabled [ 74.588258][ T5068] Rebooting in 86400 seconds..