program: syz_usb_connect(0x6, 0x371, 0x0, 0x0) openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$UBLK_U_CMD_START_DEV(0xffffffffffffffff, 0xc0207506, &(0x7f0000000100)={0x0, 0xffff, 0x0, 0x0, 0xffffffffffffffff}) prlimit64(r0, 0xb, 0x0, 0x0) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) syz_genetlink_get_family_id$ipvs(0x0, 0xffffffffffffffff) mkdir(&(0x7f0000000540)='./sys\x00', 0x0) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:01.0/remove\x00', 0x1, 0x0) write(r1, &(0x7f00000000c0)='1\x00', 0x1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/rescan\x00', 0x1, 0x0) write(r2, &(0x7f00000001c0)='1\x00', 0x1) sendmsg$IPCTNL_MSG_EXP_DELETE(0xffffffffffffffff, 0x0, 0xc010) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000000)={0x20000008}) [ 93.544595][ T5274] Bluetooth: hci0: command tx timeout [ 93.573477][ T1170] cfg80211: failed to load regulatory.db [ 93.756819][ T5310] Console: switching to colour dummy device 80x25 [ 93.950260][ T5310] ------------[ cut here ]------------ [ 93.950276][ T5310] Memory manager not clean during takedown. [ 93.950282][ T5310] WARNING: drivers/gpu/drm/drm_mm.c:966 at drm_mm_takedown+0x54/0x70, CPU#0: syz.0.0/5310 [ 93.962012][ T5310] Modules linked in: [ 93.964283][ T5310] CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 93.968610][ T5310] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 93.973175][ T5310] RIP: 0010:drm_mm_takedown+0x54/0x70 [ 93.975760][ T5310] Code: 4c 89 f7 e8 2e ea a0 fc 49 8b 06 4c 39 f0 75 0e e8 11 3a 2f fc 5b 41 5e e9 c9 53 53 06 cc e8 03 3a 2f fc 48 8d 3d ec 72 ed 0a <67> 48 0f b9 3a 48 89 df 5b 41 5e eb 1f 66 66 66 66 66 66 2e 0f 1f [ 93.984937][ T5310] RSP: 0018:ffffc9000d8cf720 EFLAGS: 00010287 [ 93.987846][ T5310] RAX: ffffffff8598e65d RBX: ffff888034e35868 RCX: 0000000000100000 [ 93.991620][ T5310] RDX: ffffc9000e6f2000 RSI: 000000000001363e RDI: ffffffff90865950 [ 93.995673][ T5310] RBP: ffffffff85979570 R08: ffff888000100200 R09: ffffffff8c8116c0 [ 93.999001][ T5310] R10: dffffc0000000000 R11: ffffffff85979570 R12: ffff888000100200 [ 94.002375][ T5310] R13: dffffc0000000000 R14: ffff888034e358a0 R15: dffffc0000000000 [ 94.005817][ T5310] FS: 00007ffb9cbe96c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000 [ 94.009534][ T5310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.012159][ T5310] CR2: 000056507d26f168 CR3: 000000003ee39000 CR4: 0000000000352ef0 [ 94.015257][ T5310] Call Trace: [ 94.016598][ T5310] [ 94.017758][ T5310] drm_managed_release+0x208/0x380 [ 94.019732][ T5310] ? __pfx_virtio_gpu_release+0x10/0x10 [ 94.022086][ T5310] drm_dev_put+0xe0/0x120 [ 94.024102][ T5310] virtio_dev_remove+0x9c/0x1b0 [ 94.027520][ T5310] ? __pfx_virtio_dev_remove+0x10/0x10 [ 94.029825][ T5310] device_release_driver_internal+0x48b/0x880 [ 94.032667][ T5310] bus_remove_device+0x444/0x560 [ 94.035100][ T5310] ? __pfx_bus_remove_device+0x10/0x10 [ 94.039790][ T5310] ? kernfs_remove_by_name_ns+0x101/0x140 [ 94.042449][ T5310] device_del+0x524/0x8f0 [ 94.044742][ T5310] ? __pfx_device_del+0x10/0x10 [ 94.047086][ T5310] device_unregister+0x21/0xf0 [ 94.049579][ T5310] unregister_virtio_device+0x37/0x60 [ 94.052247][ T5310] virtio_pci_remove+0x7f/0xf0 [ 94.054737][ T5310] pci_device_remove+0x99/0x1c0 [ 94.057056][ T5310] ? __pfx_pci_device_remove+0x10/0x10 [ 94.059273][ T5310] device_release_driver_internal+0x48b/0x880 [ 94.062036][ T5310] pci_stop_bus_device+0xf6/0x120 [ 94.064687][ T5310] pci_stop_and_remove_bus_device_locked+0x77/0xb0 [ 94.067348][ T5310] remove_store+0xe5/0x150 [ 94.069198][ T5310] ? __pfx_remove_store+0x10/0x10 [ 94.071039][ T5310] ? sysfs_file_kobj+0x1e4/0x230 [ 94.073006][ T5310] ? sysfs_kf_write+0x166/0x260 [ 94.075214][ T5310] ? __pfx_sysfs_kf_write+0x10/0x10 [ 94.077687][ T5310] kernfs_fop_write_iter+0x3a4/0x540 [ 94.080323][ T5310] vfs_write+0x612/0xba0 [ 94.082392][ T5310] ? __pfx_vfs_write+0x10/0x10 [ 94.085034][ T5310] ? __fget_files+0x2a/0x420 [ 94.087296][ T5310] ksys_write+0x150/0x270 [ 94.089479][ T5310] ? __pfx_ksys_write+0x10/0x10 [ 94.091859][ T5310] do_syscall_64+0x166/0x520 [ 94.094609][ T5310] ? trace_irq_disable+0x3b/0x140 [ 94.097030][ T5310] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.099741][ T5310] ? clear_bhb_loop+0x70/0xc0 [ 94.101951][ T5310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.104668][ T5310] RIP: 0033:0x7ffb9bd9e159 [ 94.106838][ T5310] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 [ 94.115355][ T5310] RSP: 002b:00007ffb9cbe8fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.118724][ T5310] RAX: ffffffffffffffda RBX: 00007ffb9c025fa0 RCX: 00007ffb9bd9e159 [ 94.122182][ T5310] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000004 [ 94.126184][ T5310] RBP: 00007ffb9be3506b R08: 0000000000000000 R09: 0000000000000000 [ 94.129578][ T5310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.132723][ T5310] R13: 00007ffb9c026038 R14: 00007ffb9c025fa0 R15: 00007ffec0179908 [ 94.136011][ T5310] [ 94.137310][ T5310] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 94.140347][ T5310] CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.144467][ T5310] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.148641][ T5310] Call Trace: [ 94.150011][ T5310] [ 94.151229][ T5310] vpanic+0x56d/0xa60 [ 94.152886][ T5310] ? __pfx__printk+0x10/0x10 [ 94.154874][ T5310] ? __pfx_vpanic+0x10/0x10 [ 94.156781][ T5310] ? is_bpf_text_address+0x292/0x2b0 [ 94.159149][ T5310] ? is_bpf_text_address+0x26/0x2b0 [ 94.161578][ T5310] panic+0xc5/0xd0 [ 94.163304][ T5310] ? __pfx_panic+0x10/0x10 [ 94.165411][ T5310] __warn+0x315/0x4c0 [ 94.167231][ T5310] ? drm_mm_takedown+0x54/0x70 [ 94.169506][ T5310] ? drm_mm_takedown+0x54/0x70 [ 94.171756][ T5310] __report_bug+0x276/0x570 [ 94.173708][ T5310] ? virtio_dev_remove+0x9c/0x1b0 [ 94.175785][ T5310] ? device_release_driver_internal+0x48b/0x880 [ 94.178320][ T5310] ? bus_remove_device+0x444/0x560 [ 94.180467][ T5310] ? drm_mm_takedown+0x54/0x70 [ 94.182651][ T5310] ? __pfx___report_bug+0x10/0x10 [ 94.184970][ T5310] ? do_syscall_64+0x166/0x520 [ 94.187137][ T5310] report_bug_entry+0x19b/0x290 [ 94.189336][ T5310] ? drm_mm_takedown+0x54/0x70 [ 94.191574][ T5310] ? drm_mm_takedown+0x59/0x70 [ 94.193623][ T5310] handle_bug+0xce/0x200 [ 94.195479][ T5310] exc_invalid_op+0x1a/0x50 [ 94.197595][ T5310] asm_exc_invalid_op+0x1a/0x20 [ 94.199900][ T5310] RIP: 0010:drm_mm_takedown+0x54/0x70 [ 94.202480][ T5310] Code: 4c 89 f7 e8 2e ea a0 fc 49 8b 06 4c 39 f0 75 0e e8 11 3a 2f fc 5b 41 5e e9 c9 53 53 06 cc e8 03 3a 2f fc 48 8d 3d ec 72 ed 0a <67> 48 0f b9 3a 48 89 df 5b 41 5e eb 1f 66 66 66 66 66 66 2e 0f 1f [ 94.210293][ T5310] RSP: 0018:ffffc9000d8cf720 EFLAGS: 00010287 [ 94.212883][ T5310] RAX: ffffffff8598e65d RBX: ffff888034e35868 RCX: 0000000000100000 [ 94.216505][ T5310] RDX: ffffc9000e6f2000 RSI: 000000000001363e RDI: ffffffff90865950 [ 94.219965][ T5310] RBP: ffffffff85979570 R08: ffff888000100200 R09: ffffffff8c8116c0 [ 94.223347][ T5310] R10: dffffc0000000000 R11: ffffffff85979570 R12: ffff888000100200 [ 94.226799][ T5310] R13: dffffc0000000000 R14: ffff888034e358a0 R15: dffffc0000000000 [ 94.229974][ T5310] ? __pfx_drm_gem_init_release+0x10/0x10 [ 94.232388][ T5310] ? __pfx_drm_gem_init_release+0x10/0x10 [ 94.234745][ T5310] ? drm_mm_takedown+0x4d/0x70 [ 94.236704][ T5310] drm_managed_release+0x208/0x380 [ 94.238811][ T5310] ? __pfx_virtio_gpu_release+0x10/0x10 [ 94.241135][ T5310] drm_dev_put+0xe0/0x120 [ 94.242920][ T5310] virtio_dev_remove+0x9c/0x1b0 [ 94.244896][ T5310] ? __pfx_virtio_dev_remove+0x10/0x10 [ 94.247325][ T5310] device_release_driver_internal+0x48b/0x880 [ 94.250123][ T5310] bus_remove_device+0x444/0x560 [ 94.252416][ T5310] ? __pfx_bus_remove_device+0x10/0x10 [ 94.254869][ T5310] ? kernfs_remove_by_name_ns+0x101/0x140 [ 94.257354][ T5310] device_del+0x524/0x8f0 [ 94.259133][ T5310] ? __pfx_device_del+0x10/0x10 [ 94.261246][ T5310] device_unregister+0x21/0xf0 [ 94.263331][ T5310] unregister_virtio_device+0x37/0x60 [ 94.265616][ T5310] virtio_pci_remove+0x7f/0xf0 [ 94.267677][ T5310] pci_device_remove+0x99/0x1c0 [ 94.269681][ T5310] ? __pfx_pci_device_remove+0x10/0x10 [ 94.271984][ T5310] device_release_driver_internal+0x48b/0x880 [ 94.274463][ T5310] pci_stop_bus_device+0xf6/0x120 [ 94.276659][ T5310] pci_stop_and_remove_bus_device_locked+0x77/0xb0 [ 94.279587][ T5310] remove_store+0xe5/0x150 [ 94.281812][ T5310] ? __pfx_remove_store+0x10/0x10 [ 94.284240][ T5310] ? sysfs_file_kobj+0x1e4/0x230 [ 94.286557][ T5310] ? sysfs_kf_write+0x166/0x260 [ 94.288886][ T5310] ? __pfx_sysfs_kf_write+0x10/0x10 [ 94.291266][ T5310] kernfs_fop_write_iter+0x3a4/0x540 [ 94.293569][ T5310] vfs_write+0x612/0xba0 [ 94.295457][ T5310] ? __pfx_vfs_write+0x10/0x10 [ 94.297639][ T5310] ? __fget_files+0x2a/0x420 [ 94.299702][ T5310] ksys_write+0x150/0x270 [ 94.301660][ T5310] ? __pfx_ksys_write+0x10/0x10 [ 94.303799][ T5310] do_syscall_64+0x166/0x520 [ 94.305870][ T5310] ? trace_irq_disable+0x3b/0x140 [ 94.307917][ T5310] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.310346][ T5310] ? clear_bhb_loop+0x70/0xc0 [ 94.312334][ T5310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.314709][ T5310] RIP: 0033:0x7ffb9bd9e159 [ 94.316487][ T5310] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 [ 94.324224][ T5310] RSP: 002b:00007ffb9cbe8fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.328048][ T5310] RAX: ffffffffffffffda RBX: 00007ffb9c025fa0 RCX: 00007ffb9bd9e159 [ 94.331705][ T5310] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000004 [ 94.335071][ T5310] RBP: 00007ffb9be3506b R08: 0000000000000000 R09: 0000000000000000 [ 94.338564][ T5310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.341996][ T5310] R13: 00007ffb9c026038 R14: 00007ffb9c025fa0 R15: 00007ffec0179908 [ 94.345476][ T5310] [ 94.347222][ T5310] Kernel Offset: disabled [ 94.349242][ T5310] Rebooting in 86400 seconds..