Warning: Permanently added '10.128.1.70' (ECDSA) to the list of known hosts. syzkaller login: [ 35.309243] ------------[ cut here ]------------ [ 35.314676] WARNING: CPU: 1 PID: 8111 at drivers/gpu/drm/drm_fourcc.c:204 drm_format_info.part.0+0x11/0x14 [ 35.325216] Kernel panic - not syncing: panic_on_warn set ... [ 35.325216] [ 35.332722] CPU: 1 PID: 8111 Comm: syz-executor438 Not tainted 4.19.195-syzkaller #0 [ 35.340809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.350244] Call Trace: [ 35.352841] dump_stack+0x1fc/0x2ef [ 35.356476] panic+0x26a/0x50e [ 35.359658] ? __warn_printk+0xf3/0xf3 [ 35.364125] ? drm_format_info.part.0+0x11/0x14 [ 35.372499] ? __probe_kernel_read+0x130/0x1b0 [ 35.377364] ? __warn.cold+0x5/0x5a [ 35.380989] ? __warn+0xe4/0x200 [ 35.384390] ? drm_format_info.part.0+0x11/0x14 [ 35.389503] __warn.cold+0x20/0x5a [ 35.393337] ? drm_format_info.part.0+0x11/0x14 [ 35.398059] report_bug+0x262/0x2b0 [ 35.401841] do_error_trap+0x1d7/0x310 [ 35.405845] ? math_error+0x310/0x310 [ 35.409838] ? __irq_work_queue_local+0x101/0x160 [ 35.414722] ? irq_work_queue+0x29/0x80 [ 35.419052] ? error_entry+0x72/0xd0 [ 35.422872] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.427902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.432752] invalid_op+0x14/0x20 [ 35.436211] RIP: 0010:drm_format_info.part.0+0x11/0x14 [ 35.441487] Code: fb e8 2a 2b 65 f9 48 c7 c7 a0 78 c4 88 e8 e4 82 f5 ff 0f 0b e9 89 26 d9 fb e8 12 2b 65 f9 48 c7 c7 80 80 c4 88 e8 cc 82 f5 ff <0f> 0b c3 e8 fe 2a 65 f9 45 31 e4 e8 df ff ff ff e9 c8 50 d9 fb e8 [ 35.461994] RSP: 0018:ffff88809d897990 EFLAGS: 00010282 [ 35.467456] RAX: 0000000000000024 RBX: 0000000000000044 RCX: 0000000000000000 [ 35.474821] RDX: 0000000000000000 RSI: ffffffff814dfc91 RDI: ffffed1013b12f24 [ 35.482102] RBP: 0000000056555941 R08: 0000000000000024 R09: 0000000000000000 [ 35.489660] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 35.497019] R13: 00000000b0334142 R14: dffffc0000000000 R15: ffff88809d897c58 [ 35.504421] ? vprintk_func+0x81/0x180 [ 35.508326] drm_get_format_info.cold+0xd/0x12 [ 35.513198] drm_internal_framebuffer_create+0x32d/0xf00 [ 35.518656] ? is_bpf_text_address+0xd5/0x1b0 [ 35.523284] ? mark_held_locks+0xf0/0xf0 [ 35.527357] ? drm_framebuffer_check_src_coords+0x1a0/0x1a0 [ 35.533199] ? drm_dev_enter+0x110/0x110 [ 35.537281] ? lock_downgrade+0x720/0x720 [ 35.541459] drm_mode_addfb2+0x97/0x300 [ 35.545556] drm_ioctl_kernel+0x208/0x2a0 [ 35.549744] ? drm_internal_framebuffer_create+0xf00/0xf00 [ 35.555468] ? drm_ioctl_permit+0x210/0x210 [ 35.559896] ? __might_fault+0x192/0x1d0 [ 35.563951] drm_ioctl+0x507/0x9c0 [ 35.567501] ? drm_internal_framebuffer_create+0xf00/0xf00 [ 35.573730] ? drm_getstats+0x20/0x20 [ 35.582540] ? mark_held_locks+0xf0/0xf0 [ 35.586793] ? lock_downgrade+0x720/0x720 [ 35.591239] ? lock_acquire+0x170/0x3c0 [ 35.595297] ? debug_check_no_obj_freed+0xb5/0x490 [ 35.600585] ? drm_getstats+0x20/0x20 [ 35.604594] do_vfs_ioctl+0xcdb/0x12e0 [ 35.608671] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.614441] ? debug_check_no_obj_freed+0x201/0x490 [ 35.619588] ? ioctl_preallocate+0x200/0x200 [ 35.624173] ? putname+0xe1/0x120 [ 35.627662] ? putname+0xe1/0x120 [ 35.631122] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.636220] ? kmem_cache_free+0x226/0x260 [ 35.640481] ? putname+0xe1/0x120 [ 35.644032] ? do_sys_open+0x2bf/0x520 [ 35.648032] ? filp_open+0x70/0x70 [ 35.651560] ksys_ioctl+0x9b/0xc0 [ 35.655015] __x64_sys_ioctl+0x6f/0xb0 executing program [ 35.658928] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.663520] do_syscall_64+0xf9/0x620 [ 35.667618] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.673018] RIP: 0033:0x443539 [ 35.676226] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 35.696468] RSP: 002b:00007ffc1d75d388 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.704192] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000443539 [ 35.711683] RDX: 0000000020000040 RSI: 00000000c06864b8 RDI: 0000000000000003 [ 35.719466] RBP: 00000000004030e0 R08: 0023647261632f69 R09: 00000000004004a0 [ 35.726743] R10: 000000000000001f R11: 0000000000000246 R12: 0000000000403170 [ 35.734228] R13: 0000000000000000 R14: 00000000004b1018 R15: 00000000004004a0 [ 35.742349] Kernel Offset: disabled [ 35.746132] Rebooting in 86400 seconds..