./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1211753026 <...> DUID 00:04:5a:7a:52:ad:4b:e5:ff:c1:d1:3d:bd:97:7e:8a:4f:1f forked to background, child pid 4736 [ 48.495215][ T4737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.519674][ T4737] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.132' (ED25519) to the list of known hosts. execve("./syz-executor1211753026", ["./syz-executor1211753026"], 0x7ffc83e4cd40 /* 10 vars */) = 0 brk(NULL) = 0x555556c8e000 brk(0x555556c8ed00) = 0x555556c8ed00 arch_prctl(ARCH_SET_FS, 0x555556c8e380) = 0 set_tid_address(0x555556c8e650) = 5074 set_robust_list(0x555556c8e660, 24) = 0 rseq(0x555556c8eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1211753026", 4096) = 28 getrandom("\x54\x10\x8d\xa6\x13\x15\xde\xac", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556c8ed00 brk(0x555556cafd00) = 0x555556cafd00 brk(0x555556cb0000) = 0x555556cb0000 mprotect(0x7fd9324fe000, 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 syzkaller login: [ 77.871962][ T5074] divide error: 0000 [#1] PREEMPT SMP KASAN PTI [ 77.878492][ T5074] CPU: 0 PID: 5074 Comm: syz-executor121 Not tainted 6.8.0-rc5-syzkaller-00121-g1c892cdd8fe0 #0 [ 77.889196][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 77.901878][ T5074] RIP: 0010:drm_mode_convert_to_umode+0x36a/0xbf0 [ 77.908452][ T5074] 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 e9 2e 4b fc eb 05 e8 e2 2e 4b fc 48 8b [ 77.931734][ T5074] RSP: 0018:ffffc90003a5f660 EFLAGS: 00010246 [ 77.937923][ T5074] RAX: 0000000000001f40 RBX: ffff8880234b2416 RCX: 0000000000001f40 [ 77.945988][ T5074] RDX: 0000000000000000 RSI: ffffc90003a5f720 RDI: dffffc0000000000 [ 77.954322][ T5074] RBP: 0000000000000200 R08: ffffffff85483dba R09: ffff8880234b240a [ 77.962396][ T5074] R10: dffffc0000000000 R11: ffffed1003de2579 R12: 1ffff11004696482 [ 77.972540][ T5074] R13: ffff8880234b2400 R14: 0000000000000008 R15: 0000000000000000 [ 77.980729][ T5074] FS: 0000555556c8e380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 77.989839][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.996599][ T5074] CR2: 00007ffec5bfa610 CR3: 0000000011538000 CR4: 00000000003506f0 [ 78.005123][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.013172][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.021157][ T5074] Call Trace: [ 78.024441][ T5074] [ 78.027393][ T5074] ? __die_body+0x8b/0xe0 [ 78.031828][ T5074] ? die+0xcf/0x110 [ 78.035652][ T5074] ? do_trap+0x157/0x390 [ 78.039907][ T5074] ? drm_mode_convert_to_umode+0x36a/0xbf0 [ 78.045821][ T5074] ? do_error_trap+0x1dc/0x2c0 [ 78.050601][ T5074] ? drm_mode_convert_to_umode+0x36a/0xbf0 [ 78.056506][ T5074] ? drm_atomic_get_plane_state+0x247/0x500 [ 78.065490][ T5074] ? __drm_atomic_helper_set_config+0x149/0xf80 [ 78.071949][ T5074] ? drm_atomic_helper_set_config+0x8b/0x150 [ 78.078051][ T5074] ? __pfx_do_error_trap+0x10/0x10 [ 78.083395][ T5074] ? rcu_is_watching+0x15/0xb0 [ 78.088189][ T5074] ? exc_divide_error+0x39/0x50 [ 78.093069][ T5074] ? drm_mode_convert_to_umode+0x36a/0xbf0 [ 78.098886][ T5074] ? asm_exc_divide_error+0x1a/0x20 [ 78.104139][ T5074] ? drm_mode_convert_to_umode+0x2ca/0xbf0 [ 78.109971][ T5074] ? drm_mode_convert_to_umode+0x36a/0xbf0 [ 78.115835][ T5074] ? __pfx_drm_property_free_blob+0x10/0x10 [ 78.122279][ T5074] drm_atomic_set_mode_for_crtc+0x14a/0x4a0 [ 78.128209][ T5074] ? __pfx_drm_atomic_set_mode_for_crtc+0x10/0x10 [ 78.134649][ T5074] ? drm_atomic_get_plane_state+0x46a/0x500 [ 78.140667][ T5074] __drm_atomic_helper_set_config+0x255/0xf80 [ 78.146959][ T5074] ? __pfx___drm_atomic_helper_set_config+0x10/0x10 [ 78.153586][ T5074] ? drm_atomic_state_init+0x22e/0x2f0 [ 78.159246][ T5074] drm_atomic_helper_set_config+0x8b/0x150 [ 78.165190][ T5074] drm_mode_setcrtc+0xbb0/0x1780 [ 78.170157][ T5074] ? __pfx_drm_mode_setcrtc+0x10/0x10 [ 78.175622][ T5074] ? do_raw_spin_unlock+0x13b/0x8b0 [ 78.181024][ T5074] ? _raw_spin_unlock+0x28/0x50 [ 78.185988][ T5074] drm_ioctl_kernel+0x33a/0x440 [ 78.190853][ T5074] ? __pfx_drm_mode_setcrtc+0x10/0x10 [ 78.196242][ T5074] ? __pfx_drm_ioctl_kernel+0x10/0x10 [ 78.201624][ T5074] ? __might_fault+0xc5/0x120 [ 78.206483][ T5074] drm_ioctl+0x639/0xb10 [ 78.210748][ T5074] ? __pfx_drm_mode_setcrtc+0x10/0x10 [ 78.216371][ T5074] ? __pfx_drm_ioctl+0x10/0x10 [ 78.221264][ T5074] ? bpf_lsm_file_ioctl+0x9/0x10 [ 78.226338][ T5074] ? security_file_ioctl+0x87/0xb0 [ 78.231482][ T5074] ? __pfx_drm_ioctl+0x10/0x10 [ 78.236272][ T5074] __se_sys_ioctl+0xfc/0x170 [ 78.240911][ T5074] do_syscall_64+0xf9/0x240 [ 78.245465][ T5074] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 78.251755][ T5074] RIP: 0033:0x7fd93248b7e9 [ 78.256194][ T5074] 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 [ 78.276261][ T5074] RSP: 002b:00007ffec5bfb618 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.285696][ T5074] RAX: ffffffffffffffda RBX: 00007ffec5bfb7e8 RCX: 00007fd93248b7e9 [ 78.293890][ T5074] RDX: 0000000020000400 RSI: 00000000c06864a2 RDI: 0000000000000003 [ 78.302014][ T5074] RBP: 00007fd9324fe610 R08: 0000000000000005 R09: 00007ffec5bfb7e8 [ 78.310001][ T5074] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 [ 78.317984][ T5074] R13: 00007ffec5bfb7d8 R14: 0000000000000001 R15: 0000000000000001 [ 78.326152][ T5074] [ 78.329177][ T5074] Modules linked in: [ 78.333518][ T5074] ---[ end trace 0000000000000000 ]--- [ 78.339072][ T5074] RIP: 0010:drm_mode_convert_to_umode+0x36a/0xbf0 [ 78.345527][ T5074] 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 e9 2e 4b fc eb 05 e8 e2 2e 4b fc 48 8b [ 78.365494][ T5074] RSP: 0018:ffffc90003a5f660 EFLAGS: 00010246 [ 78.371897][ T5074] RAX: 0000000000001f40 RBX: ffff8880234b2416 RCX: 0000000000001f40 [ 78.380250][ T5074] RDX: 0000000000000000 RSI: ffffc90003a5f720 RDI: dffffc0000000000 [ 78.388915][ T5074] RBP: 0000000000000200 R08: ffffffff85483dba R09: ffff8880234b240a [ 78.396962][ T5074] R10: dffffc0000000000 R11: ffffed1003de2579 R12: 1ffff11004696482 [ 78.405404][ T5074] R13: ffff8880234b2400 R14: 0000000000000008 R15: 0000000000000000 [ 78.414668][ T5074] FS: 0000555556c8e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 78.424114][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.430953][ T5074] CR2: 00000000005fdeb8 CR3: 0000000011538000 CR4: 00000000003506f0 [ 78.439073][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.447690][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.455714][ T5074] Kernel panic - not syncing: Fatal exception [ 78.462354][ T5074] Kernel Offset: disabled [ 78.466731][ T5074] Rebooting in 86400 seconds..