Warning: Permanently added '[localhost]:12108' (ED25519) to the list of known hosts. executing program executing program executing program executing program syzkaller login: [ 80.723374][ T5307] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. executing program executing program [ 80.736232][ T5307] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 80.740641][ T5307] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 80.744684][ T5307] netlink: 9 bytes leftover after parsing attributes in process `syz-executor248'. [ 80.812546][ T5310] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 80.823317][ T4665] block nbd0: Receive control failed (result -32) [ 80.829596][ T5310] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. executing program [ 80.843458][ T5310] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 80.854305][ T5310] netlink: 9 bytes leftover after parsing attributes in process `syz-executor248'. [ 80.947484][ T4665] block nbd1: Receive control failed (result -32) executing program executing program [ 80.971209][ T5332] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. executing program executing program executing program executing program [ 80.999086][ T5332] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 81.092698][ T4665] block nbd2: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 81.181024][ T4665] block nbd3: Receive control failed (result -32) executing program [ 81.233772][ T4665] block nbd4: Receive control failed (result -32) executing program executing program executing program [ 81.284714][ T4665] block nbd5: Receive control failed (result -32) executing program [ 81.351512][ T4665] block nbd6: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 81.414084][ T4665] block nbd7: Receive control failed (result -32) executing program [ 81.469081][ T4665] block nbd8: Receive control failed (result -32) executing program executing program executing program executing program [ 81.539947][ T4665] block nbd9: Receive control failed (result -32) executing program executing program [ 81.583479][ T4665] block nbd10: Receive control failed (result -32) executing program [ 81.622300][ T4665] block nbd11: Receive control failed (result -32) executing program [ 81.670866][ T4665] block nbd12: Receive control failed (result -32) executing program [ 81.746354][ T4665] block nbd13: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 81.797987][ T4665] block nbd14: Receive control failed (result -32) executing program [ 81.851593][ T4665] block nbd15: Receive control failed (result -32) executing program [ 81.958195][ T4665] block nbd16: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 82.088991][ T4665] block nbd17: Receive control failed (result -32) executing program executing program executing program executing program [ 82.209302][ T4665] block nbd18: Receive control failed (result -32) executing program executing program executing program executing program [ 82.284307][ T1091] [ 82.285425][ T1091] ====================================================== [ 82.288359][ T1091] WARNING: possible circular locking dependency detected [ 82.291280][ T1091] 6.15.0-syzkaller-01599-gddddf9d64f73 #0 Not tainted [ 82.295288][ T1091] ------------------------------------------------------ [ 82.298392][ T1091] kworker/u4:9/1091 is trying to acquire lock: [ 82.301100][ T1091] ffff888011362358 (&disk->open_mutex){+.+.}-{4:4}, at: __del_gendisk+0x129/0x9e0 [ 82.305133][ T1091] [ 82.305133][ T1091] but task is already holding lock: [ 82.308344][ T1091] ffff88801bb55188 (&set->update_nr_hwq_lock){++++}-{4:4}, at: del_gendisk+0xe0/0x160 [ 82.312448][ T1091] [ 82.312448][ T1091] which lock already depends on the new lock. [ 82.312448][ T1091] [ 82.316872][ T1091] [ 82.316872][ T1091] the existing dependency chain (in reverse order) is: [ 82.320775][ T1091] [ 82.320775][ T1091] -> #2 (&set->update_nr_hwq_lock){++++}-{4:4}: [ 82.324373][ T1091] lock_acquire+0x120/0x360 [ 82.326597][ T1091] down_write+0x96/0x1f0 [ 82.328734][ T1091] blk_mq_update_nr_hw_queues+0x3b/0x14c0 [ 82.331400][ T1091] nbd_start_device+0x16c/0xac0 [ 82.333665][ T1091] nbd_genl_connect+0x1250/0x1930 [ 82.336069][ T1091] genl_family_rcv_msg_doit+0x215/0x300 [ 82.338638][ T1091] genl_rcv_msg+0x60e/0x790 [ 82.340807][ T1091] netlink_rcv_skb+0x219/0x490 [ 82.343028][ T1091] genl_rcv+0x28/0x40 [ 82.345024][ T1091] netlink_unicast+0x75b/0x8d0 [ 82.347304][ T1091] netlink_sendmsg+0x805/0xb30 [ 82.349565][ T1091] __sock_sendmsg+0x219/0x270 [ 82.351741][ T1091] ____sys_sendmsg+0x505/0x830 [ 82.354107][ T1091] ___sys_sendmsg+0x21f/0x2a0 [ 82.356342][ T1091] __x64_sys_sendmsg+0x19b/0x260 [ 82.358625][ T1091] do_syscall_64+0xf6/0x210 [ 82.360810][ T1091] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.363557][ T1091] [ 82.363557][ T1091] -> #1 (&nbd->config_lock){+.+.}-{4:4}: [ 82.366846][ T1091] lock_acquire+0x120/0x360 [ 82.369004][ T1091] __mutex_lock+0x182/0xe80 [ 82.371036][ T1091] refcount_dec_and_mutex_lock+0x30/0xa0 [ 82.373663][ T1091] nbd_config_put+0x2c/0x790 [ 82.375918][ T1091] nbd_release+0xfe/0x140 [ 82.377942][ T1091] bdev_release+0x533/0x650 [ 82.380111][ T1091] blkdev_release+0x15/0x20 [ 82.382258][ T1091] __fput+0x449/0xa70 [ 82.384208][ T1091] fput_close_sync+0x119/0x200 [ 82.386501][ T1091] __x64_sys_close+0x7f/0x110 [ 82.388744][ T1091] do_syscall_64+0xf6/0x210 [ 82.390848][ T1091] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.393590][ T1091] [ 82.393590][ T1091] -> #0 (&disk->open_mutex){+.+.}-{4:4}: [ 82.396903][ T1091] validate_chain+0xb9b/0x2140 [ 82.399131][ T1091] __lock_acquire+0xab9/0xd20 [ 82.401303][ T1091] lock_acquire+0x120/0x360 [ 82.403437][ T1091] __mutex_lock+0x182/0xe80 [ 82.405698][ T1091] __del_gendisk+0x129/0x9e0 [ 82.407885][ T1091] del_gendisk+0xe8/0x160 [ 82.409902][ T1091] nbd_dev_remove_work+0x47/0xe0 [ 82.412216][ T1091] process_scheduled_works+0xadb/0x17a0 [ 82.414832][ T1091] worker_thread+0x8a0/0xda0 [ 82.416991][ T1091] kthread+0x711/0x8a0 [ 82.418867][ T1091] ret_from_fork+0x4b/0x80 [ 82.420964][ T1091] ret_from_fork_asm+0x1a/0x30 [ 82.423171][ T1091] [ 82.423171][ T1091] other info that might help us debug this: [ 82.423171][ T1091] [ 82.427358][ T1091] Chain exists of: [ 82.427358][ T1091] &disk->open_mutex --> &nbd->config_lock --> &set->update_nr_hwq_lock [ 82.427358][ T1091] [ 82.432922][ T1091] Possible unsafe locking scenario: [ 82.432922][ T1091] [ 82.435953][ T1091] CPU0 CPU1 [ 82.438174][ T1091] ---- ---- [ 82.440356][ T1091] rlock(&set->update_nr_hwq_lock); [ 82.442572][ T1091] lock(&nbd->config_lock); [ 82.445496][ T1091] lock(&set->update_nr_hwq_lock); [ 82.448701][ T1091] lock(&disk->open_mutex); [ 82.450639][ T1091] [ 82.450639][ T1091] *** DEADLOCK *** [ 82.450639][ T1091] [ 82.454077][ T1091] 3 locks held by kworker/u4:9/1091: [ 82.456327][ T1091] #0: ffff88801f317148 ((wq_completion)nbd-del){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 [ 82.460869][ T1091] #1: ffffc90002647c60 ((work_completion)(&nbd->remove_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ec/0x17a0 [ 82.465887][ T1091] #2: ffff88801bb55188 (&set->update_nr_hwq_lock){++++}-{4:4}, at: del_gendisk+0xe0/0x160 [ 82.469962][ T1091] [ 82.469962][ T1091] stack backtrace: [ 82.472396][ T1091] CPU: 0 UID: 0 PID: 1091 Comm: kworker/u4:9 Not tainted 6.15.0-syzkaller-01599-gddddf9d64f73 #0 PREEMPT(full) [ 82.472412][ T1091] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 82.472420][ T1091] Workqueue: nbd-del nbd_dev_remove_work [ 82.472438][ T1091] Call Trace: [ 82.472446][ T1091] [ 82.472452][ T1091] dump_stack_lvl+0x189/0x250 [ 82.472470][ T1091] ? __pfx_dump_stack_lvl+0x10/0x10 [ 82.472484][ T1091] ? __pfx__printk+0x10/0x10 [ 82.472494][ T1091] ? print_lock_name+0xde/0x100 [ 82.472504][ T1091] print_circular_bug+0x2ee/0x310 [ 82.472519][ T1091] check_noncircular+0x134/0x160 [ 82.472533][ T1091] validate_chain+0xb9b/0x2140 [ 82.472547][ T1091] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 82.472562][ T1091] ? arch_stack_walk+0x11c/0x150 [ 82.472577][ T1091] __lock_acquire+0xab9/0xd20 [ 82.472588][ T1091] ? __del_gendisk+0x129/0x9e0 [ 82.472601][ T1091] lock_acquire+0x120/0x360 [ 82.472609][ T1091] ? __del_gendisk+0x129/0x9e0 [ 82.472622][ T1091] ? check_path+0x21/0x40 [ 82.472634][ T1091] __mutex_lock+0x182/0xe80 [ 82.472645][ T1091] ? __del_gendisk+0x129/0x9e0 [ 82.472658][ T1091] ? __del_gendisk+0x129/0x9e0 [ 82.472670][ T1091] ? __pfx___mutex_lock+0x10/0x10 [ 82.472679][ T1091] ? __pfx___might_resched+0x10/0x10 [ 82.472691][ T1091] ? __lock_acquire+0xab9/0xd20 [ 82.472700][ T1091] ? disk_del_events+0xb5/0x210 [ 82.472713][ T1091] ? __del_gendisk+0xc1/0x9e0 [ 82.472725][ T1091] __del_gendisk+0x129/0x9e0 [ 82.472736][ T1091] ? del_gendisk+0xe0/0x160 [ 82.472749][ T1091] ? __pfx___del_gendisk+0x10/0x10 [ 82.472762][ T1091] ? down_read+0x1ad/0x2e0 [ 82.472771][ T1091] del_gendisk+0xe8/0x160 [ 82.472784][ T1091] nbd_dev_remove_work+0x47/0xe0 [ 82.472794][ T1091] ? process_scheduled_works+0x9ec/0x17a0 [ 82.472806][ T1091] process_scheduled_works+0xadb/0x17a0 [ 82.472823][ T1091] ? __pfx_process_scheduled_works+0x10/0x10 [ 82.472838][ T1091] worker_thread+0x8a0/0xda0 [ 82.472850][ T1091] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 82.472865][ T1091] ? __kthread_parkme+0x7b/0x200 [ 82.472877][ T1091] kthread+0x711/0x8a0 [ 82.472890][ T1091] ? __pfx_worker_thread+0x10/0x10 [ 82.472901][ T1091] ? __pfx_kthread+0x10/0x10 [ 82.472915][ T1091] ? __pfx_kthread+0x10/0x10 [ 82.472927][ T1091] ? _raw_spin_unlock_irq+0x23/0x50 [ 82.472940][ T1091] ? lockdep_hardirqs_on+0x9c/0x150 [ 82.472949][ T1091] ? __pfx_kthread+0x10/0x10 [ 82.472961][ T1091] ret_from_fork+0x4b/0x80 [ 82.472972][ T1091] ? __pfx_kthread+0x10/0x10 [ 82.472984][ T1091] ret_from_fork_asm+0x1a/0x30 [ 82.472997][ T1091] executing program executing program executing program executing program executing program [ 82.692674][ T4665] block nbd22: Receive control failed (result -32) executing program [ 82.728083][ T5442] udevd[5442]: inotify_add_watch(7, /dev/nbd21, 10) failed: No such file or directory [ 82.745260][ T4665] block nbd20: Receive control failed (result -32) executing program executing program executing program [ 82.813548][ T4665] block nbd21: Receive control failed (result -32) executing program [ 82.848171][ T4665] block nbd19: Receive control failed (result -32) executing program [ 82.929368][ T4665] block nbd23: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 83.019988][ T4665] block nbd24: Receive control failed (result -32) executing program executing program executing program executing program [ 83.070838][ T4665] block nbd25: Receive control failed (result -32) executing program executing program executing program [ 83.165107][ T4665] block nbd27: Receive control failed (result -32) executing program executing program [ 83.243250][ T4665] block nbd26: Receive control failed (result -32) executing program [ 83.294808][ T4665] block nbd28: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 83.363082][ T4665] block nbd29: Receive control failed (result -32) executing program [ 83.436691][ T4665] block nbd30: Receive control failed (result -32) executing program executing program executing program executing program [ 83.538172][ T4665] block nbd31: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 83.641658][ T4665] block nbd32: Receive control failed (result -32) executing program [ 83.724540][ T4665] block nbd33: Receive control failed (result -32) executing program executing program [ 83.778218][ T4665] block nbd34: Receive control failed (result -32) executing program [ 83.827512][ T4665] block nbd35: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 83.922961][ T4665] block nbd36: Receive control failed (result -32) executing program [ 83.993708][ T4665] block nbd37: Receive control failed (result -32) executing program [ 84.063872][ T4665] block nbd38: Receive control failed (result -32) executing program [ 84.118252][ T4665] block nbd39: Receive control failed (result -32) executing program executing program [ 84.197531][ T4665] block nbd41: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program executing program [ 84.313320][ T4665] block nbd42: Receive control failed (result -32) executing program executing program executing program [ 84.399354][ T4665] block nbd40: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 84.502863][ T4665] block nbd43: Receive control failed (result -32) executing program [ 84.574629][ T4665] block nbd44: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 84.642802][ T4665] block nbd45: Receive control failed (result -32) executing program [ 84.708029][ T4665] block nbd46: Receive control failed (result -32) executing program executing program [ 84.772048][ T4665] block nbd47: Receive control failed (result -32) executing program [ 84.838962][ T4665] block nbd48: Receive control failed (result -32) executing program [ 84.887559][ T4665] block nbd49: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 84.973532][ T4665] block nbd50: Receive control failed (result -32) executing program [ 85.055081][ T4665] block nbd51: Receive control failed (result -32) executing program [ 85.130190][ T4665] block nbd52: Receive control failed (result -32) executing program [ 85.161550][ T4665] block nbd53: Receive control failed (result -32) executing program [ 85.237644][ T4665] block nbd54: Receive control failed (result -32) executing program [ 85.299914][ T4665] block nbd55: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 85.398236][ T4665] block nbd57: Receive control failed (result -32) executing program executing program executing program [ 85.486552][ T4665] block nbd56: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 85.600055][ T4665] block nbd59: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 85.726524][ T4665] block nbd58: Receive control failed (result -32) executing program [ 85.737915][ T5872] __nla_validate_parse: 262 callbacks suppressed [ 85.737976][ T5872] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.752620][ T5872] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.757220][ T5872] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.761254][ T5872] netlink: 9 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.812894][ T4665] block nbd60: Receive control failed (result -32) executing program [ 85.827500][ T5873] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.835943][ T5873] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.840943][ T5873] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.845183][ T5873] netlink: 9 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.907926][ T4665] block nbd61: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 85.963484][ T5901] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 85.972699][ T5901] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 86.044276][ T4665] block nbd62: Receive control failed (result -32) executing program [ 86.122511][ T4665] block nbd63: Receive control failed (result -32) executing program [ 86.177516][ T4665] block nbd64: Receive control failed (result -32) executing program executing program [ 86.247558][ T4665] block nbd65: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 86.373717][ T4665] block nbd68: Receive control failed (result -32) executing program [ 86.433448][ T4665] block nbd66: Receive control failed (result -32) executing program [ 86.490656][ T4665] block nbd67: Receive control failed (result -32) executing program [ 86.538414][ T4665] block nbd69: Receive control failed (result -32) executing program [ 86.575568][ T4665] block nbd70: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 86.668636][ T4665] block nbd71: Receive control failed (result -32) executing program executing program executing program [ 86.722581][ T4665] block nbd72: Receive control failed (result -32) executing program [ 86.770981][ T4665] block nbd73: Receive control failed (result -32) executing program [ 86.841314][ T4665] block nbd74: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 86.921804][ T4665] block nbd75: Receive control failed (result -32) [ 86.981942][ T4665] block nbd76: Receive control failed (result -32) executing program [ 87.054348][ T4665] block nbd77: Receive control failed (result -32) executing program [ 87.117474][ T4665] block nbd78: Receive control failed (result -32) [ 87.125663][ T6004] workqueue: Failed to create a rescuer kthread for wq "nbd79-recv": -EINTR [ 87.125730][ T6004] block (null): Could not allocate knbd recv work queue. executing program [ 87.142088][ T6004] nbd: failed to add new device executing program [ 87.211001][ T4665] block nbd79: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 87.301527][ T4665] block nbd80: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 87.422665][ T4665] block nbd83: Receive control failed (result -32) executing program [ 87.464540][ T5326] block device autoloading is deprecated and will be removed. [ 87.473938][ T4665] block nbd81: Receive control failed (result -32) executing program [ 87.528862][ T4665] block nbd82: Receive control failed (result -32) executing program [ 87.563394][ T5499] block device autoloading is deprecated and will be removed. [ 87.591595][ T4665] block nbd84: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 87.698554][ T4665] block nbd86: Receive control failed (result -32) executing program executing program [ 87.729772][ T5499] block device autoloading is deprecated and will be removed. [ 87.762670][ T4665] block nbd85: Receive control failed (result -32) executing program [ 87.830705][ T4665] block nbd87: Receive control failed (result -32) executing program [ 87.907663][ T4665] block nbd88: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 87.982128][ T4665] block nbd89: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 88.174008][ T5326] block device autoloading is deprecated and will be removed. [ 88.209980][ T4665] block nbd91: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 88.330361][ T4665] block nbd92: Receive control failed (result -32) executing program executing program executing program [ 88.403127][ T4665] block nbd90: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 88.527828][ T5326] udevd[5326]: inotify_add_watch(7, /dev/nbd93, 10) failed: No such file or directory [ 88.533965][ T4665] block nbd95: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 88.645690][ T4665] block nbd94: Receive control failed (result -32) executing program [ 88.675985][ T5326] block device autoloading is deprecated and will be removed. [ 88.717431][ T4665] block nbd93: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 88.819423][ T4665] block nbd96: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 88.909645][ T4665] block nbd97: Receive control failed (result -32) executing program [ 88.961192][ T4665] block nbd98: Receive control failed (result -32) executing program [ 89.022080][ T4665] block nbd99: Receive control failed (result -32) executing program [ 89.090377][ T4665] block nbd100: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 89.199320][ T4665] block nbd102: Receive control failed (result -32) executing program [ 89.232370][ T5326] block device autoloading is deprecated and will be removed. [ 89.264155][ T4665] block nbd101: Receive control failed (result -32) executing program [ 89.329029][ T6319] workqueue: Failed to create a rescuer kthread for wq "nbd104-recv": -EINTR [ 89.329088][ T6319] block (null): Could not allocate knbd recv work queue. [ 89.341447][ T4665] block nbd103: Receive control failed (result -32) [ 89.344965][ T6319] nbd: failed to add new device executing program executing program [ 89.417141][ T4665] block nbd104: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 89.487441][ T4665] block nbd105: Receive control failed (result -32) executing program [ 89.562557][ T4665] block nbd106: Receive control failed (result -32) executing program [ 89.630286][ T4665] block nbd107: Receive control failed (result -32) executing program [ 89.689163][ T4665] block nbd108: Receive control failed (result -32) executing program [ 89.739057][ T4665] block nbd109: Receive control failed (result -32) executing program [ 89.787483][ T4665] block nbd110: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 89.899393][ T4665] block nbd111: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 89.994613][ T4665] block nbd112: Receive control failed (result -32) executing program [ 90.055851][ T4665] block nbd113: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 90.114357][ T4665] block nbd114: Receive control failed (result -32) executing program [ 90.173085][ T4665] block nbd115: Receive control failed (result -32) executing program executing program executing program executing program [ 90.276202][ T4665] block nbd116: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 90.373851][ T4665] block nbd117: Receive control failed (result -32) executing program [ 90.436786][ T4665] block nbd118: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 90.515050][ T4665] block nbd119: Receive control failed (result -32) executing program executing program executing program [ 90.582238][ T4665] block nbd120: Receive control failed (result -32) executing program executing program executing program [ 90.651373][ T4665] block nbd121: Receive control failed (result -32) executing program [ 90.723659][ T4665] block nbd122: Receive control failed (result -32) executing program executing program [ 90.799655][ T4665] block nbd123: Receive control failed (result -32) executing program executing program executing program executing program [ 90.827849][ T6520] __nla_validate_parse: 302 callbacks suppressed [ 90.831871][ T6520] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.842428][ T6520] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.846593][ T6520] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.851014][ T6520] netlink: 9 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.922414][ T4665] block nbd124: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 90.959252][ T6543] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.967196][ T6543] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.971132][ T6543] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 90.975097][ T6543] netlink: 9 bytes leftover after parsing attributes in process `syz-executor248'. [ 91.030407][ T4665] block nbd125: Receive control failed (result -32) [ 91.040823][ T6541] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. executing program [ 91.054275][ T6541] netlink: 4 bytes leftover after parsing attributes in process `syz-executor248'. [ 91.112522][ T4665] block nbd126: Receive control failed (result -32) executing program [ 91.172870][ T6544] workqueue: Failed to create a rescuer kthread for wq "nbd128-recv": -EINTR [ 91.173088][ T6544] block (null): Could not allocate knbd recv work queue. [ 91.181107][ T4665] block nbd127: Receive control failed (result -32) executing program executing program [ 91.194015][ T6544] nbd: failed to add new device executing program executing program executing program executing program [ 91.262343][ T4665] block nbd128: Receive control failed (result -32) executing program [ 91.335925][ T4665] block nbd129: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program executing program [ 91.443319][ T4665] block nbd130: Receive control failed (result -32) executing program executing program executing program executing program [ 91.529560][ T4665] block nbd131: Receive control failed (result -32) executing program [ 91.600440][ T4665] block nbd132: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 91.688027][ T4665] block nbd134: Receive control failed (result -32) executing program executing program executing program executing program [ 91.766669][ T54] cfg80211: failed to load regulatory.db [ 91.780971][ T4665] block nbd135: Receive control failed (result -32) executing program executing program executing program executing program [ 91.862932][ T4665] block nbd133: Receive control failed (result -32) executing program [ 91.899773][ T4665] block nbd136: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 91.992140][ T4665] block nbd137: Receive control failed (result -32) executing program executing program executing program executing program executing program executing program [ 92.082281][ T4665] block nbd138: Receive control failed (result -32) executing program executing program executing program executing program executing program [ 92.145275][ T4665] block nbd139: Receive control failed (result -32) executing program [ 92.171669][ T4665] block nbd140: Receive control failed (result -32) executing program [ 92.233178][ T4665] block nbd141: Receive control failed (result -32) executing program VM DIAGNOSIS: 03:11:24 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000073 RBX=0000000000000073 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc90002646eb0 R8 =ffff888033140237 R9 =1ffff11006628046 R10=dffffc0000000000 R11=ffffffff85404840 R12=dffffc0000000000 R13=ffffffff9986291f R14=ffffffff99b67c80 R15=0000000000000000 RIP=ffffffff854048bc RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d6b1000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f751cce9108 CR3=0000000043148000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=00000000fefeffd0 Opmask01=0000000000004211 Opmask02=000000007ffeffff Opmask03=0000000000000000 Opmask04=00000000ffffefff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 44455a494c414954 494e495f43455355 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000063737973 00313d656c626100 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffff0f0e0d0c 0b0a090807060504 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6373797300313d65 6c6261003830363a ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff000000000000 ffff000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f47d8352c80 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656c696620732520 6465746165726300 0a73253a47000a73 253d73253a45000a ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40494c4305560005 4140514440574600 0a56001f47000a56 001856001f45000a ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 000056417e61ab00 000056417e617b10 000056417e63cd50 000056417e60f500 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 003a756b733a322e 392d3533712d6370 7276633a3174633a 554d45516e76633a ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 322e392d3533712d 63707276703a2939 3030322c39484349 2b35335128435064 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7261646e6174536e 703a554d45516e76 733a302e3072623a 343130322f31302f ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343064623a312b32 316f70627e322d33 2e36312e312d6e61 696265642d332e36 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 313731302c453631 302c353631302c34 3631302c33343130 2c323431302c3134 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f42490054544149 00240059535f4449 00655f61635f2400 4c24004c4544004d ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000