[ 86.619429][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:48750' (ED25519) to the list of known hosts. executing program [ 208.964692][ T5322] loop0: detected capacity change from 0 to 32768 [ 429.649505][ T27] INFO: task kworker/u4:5:1033 blocked for more than 143 seconds. [ 429.652934][ T27] Not tainted 6.14.0-rc6-syzkaller-00205-g3571e8b091f4 #0 [ 429.657279][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.679218][ T27] task:kworker/u4:5 state:D stack:21424 pid:1033 tgid:1033 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 429.683923][ T27] Workqueue: writeback wb_workfn (flush-7:0) [ 429.699190][ T27] Call Trace: [ 429.701432][ T27] [ 429.702683][ T27] __schedule+0x190e/0x4c90 [ 429.705651][ T27] ? __pfx___schedule+0x10/0x10 [ 429.708025][ T27] ? __blk_flush_plug+0x449/0x500 [ 429.719624][ T27] ? __pfx_lock_release+0x10/0x10 [ 429.721491][ T27] ? kthread_data+0x52/0xd0 [ 429.723354][ T27] ? schedule+0x90/0x320 [ 429.725022][ T27] ? wq_worker_sleeping+0x66/0x240 [ 429.727104][ T27] ? schedule+0x90/0x320 [ 429.728768][ T27] schedule+0x14b/0x320 [ 429.749451][ T27] schedule_preempt_disabled+0x13/0x30 [ 429.751790][ T27] __mutex_lock+0x817/0x1010 [ 429.753336][ T27] ? __mutex_lock+0x602/0x1010 [ 429.754862][ T27] ? jfs_commit_inode+0x24a/0x590 [ 429.756814][ T27] ? __pfx___mutex_lock+0x10/0x10 [ 429.758713][ T27] jfs_commit_inode+0x24a/0x590 [ 429.769263][ T27] ? __pfx_jfs_commit_inode+0x10/0x10 [ 429.771314][ T27] ? do_raw_spin_unlock+0x58/0x8b0 [ 429.773369][ T27] jfs_write_inode+0x143/0x220 [ 429.775463][ T27] __writeback_single_inode+0x708/0x10d0 [ 429.777830][ T27] writeback_sb_inodes+0x820/0x1360 [ 429.789720][ T27] ? mark_lock+0x2ae/0x360 [ 429.791625][ T27] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 429.793935][ T27] ? __pfx___up_read+0x10/0x10 [ 429.795838][ T27] ? do_raw_spin_lock+0x14f/0x370 [ 429.797948][ T27] __writeback_inodes_wb+0x11b/0x260 [ 429.809595][ T27] wb_writeback+0x427/0xb80 [ 429.811399][ T27] ? queue_io+0x371/0x5a0 [ 429.813175][ T27] ? __pfx_wb_writeback+0x10/0x10 [ 429.815113][ T27] wb_workfn+0xb94/0x1080 [ 429.816846][ T27] ? __pfx_wb_workfn+0x10/0x10 [ 429.818970][ T27] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 429.839164][ T27] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 429.841687][ T27] ? process_scheduled_works+0x9c6/0x18e0 [ 429.843916][ T27] process_scheduled_works+0xabe/0x18e0 [ 429.846140][ T27] ? __pfx_process_scheduled_works+0x10/0x10 [ 429.848685][ T27] ? assign_work+0x364/0x3d0 [ 429.859168][ T27] worker_thread+0x870/0xd30 [ 429.861029][ T27] ? __kthread_parkme+0x169/0x1d0 [ 429.863134][ T27] ? __pfx_worker_thread+0x10/0x10 [ 429.865280][ T27] kthread+0x7a9/0x920 [ 429.866915][ T27] ? __pfx_kthread+0x10/0x10 [ 429.868947][ T27] ? __pfx_worker_thread+0x10/0x10 [ 429.889280][ T27] ? __pfx_kthread+0x10/0x10 [ 429.891552][ T27] ? __pfx_kthread+0x10/0x10 [ 429.893742][ T27] ? __pfx_kthread+0x10/0x10 [ 429.895700][ T27] ? _raw_spin_unlock_irq+0x23/0x50 [ 429.898123][ T27] ? lockdep_hardirqs_on+0x99/0x150 [ 429.909614][ T27] ? __pfx_kthread+0x10/0x10 [ 429.911593][ T27] ret_from_fork+0x4b/0x80 [ 429.913369][ T27] ? __pfx_kthread+0x10/0x10 [ 429.915167][ T27] ret_from_fork_asm+0x1a/0x30 [ 429.917072][ T27] [ 429.930326][ T27] [ 429.930326][ T27] Showing all locks held in the system: [ 429.933511][ T27] 1 lock held by khungtaskd/27: [ 429.935401][ T27] #0: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 429.949209][ T27] 4 locks held by kworker/u4:5/1033: [ 429.951460][ T27] #0: ffff88801c776148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 [ 429.955977][ T27] #1: ffffc900024dfc60 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 [ 429.971965][ T27] #2: ffff888043b700e0 (&type->s_umount_key#42){.+.+}-{4:4}, at: super_trylock_shared+0x22/0xf0 [ 429.976415][ T27] #3: ffff888045a22fe0 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x24a/0x590 [ 429.989845][ T27] 2 locks held by getty/5103: [ 429.991887][ T27] #0: ffff88801f2810a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 429.995446][ T27] #1: ffffc9000019b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x616/0x1770 [ 430.009532][ T27] 4 locks held by syz-executor351/5322: [ 430.011811][ T27] [ 430.012737][ T27] ============================================= [ 430.012737][ T27] [ 430.015992][ T27] NMI backtrace for cpu 0 [ 430.016001][ T27] CPU: 0 UID: 0 PID: 27 Comm: khungtaskd Not tainted 6.14.0-rc6-syzkaller-00205-g3571e8b091f4 #0 [ 430.016012][ T27] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 430.016019][ T27] Call Trace: [ 430.016025][ T27] [ 430.016031][ T27] dump_stack_lvl+0x241/0x360 [ 430.016050][ T27] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.016061][ T27] ? __pfx__printk+0x10/0x10 [ 430.016078][ T27] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.016095][ T27] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.016106][ T27] ? _printk+0xd5/0x120 [ 430.016114][ T27] ? __pfx__printk+0x10/0x10 [ 430.016123][ T27] ? __wake_up_klogd+0xcc/0x110 [ 430.016138][ T27] ? __pfx__printk+0x10/0x10 [ 430.016148][ T27] ? __rcu_read_unlock+0xa1/0x110 [ 430.016162][ T27] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.016176][ T27] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.016190][ T27] watchdog+0x1058/0x10a0 [ 430.016205][ T27] ? watchdog+0x1ea/0x10a0 [ 430.016222][ T27] ? __pfx_watchdog+0x10/0x10 [ 430.016235][ T27] kthread+0x7a9/0x920 [ 430.016249][ T27] ? __pfx_kthread+0x10/0x10 [ 430.016264][ T27] ? __pfx_watchdog+0x10/0x10 [ 430.016277][ T27] ? __pfx_kthread+0x10/0x10 [ 430.016290][ T27] ? __pfx_kthread+0x10/0x10 [ 430.016305][ T27] ? __pfx_kthread+0x10/0x10 [ 430.016316][ T27] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.016328][ T27] ? lockdep_hardirqs_on+0x99/0x150 [ 430.016342][ T27] ? __pfx_kthread+0x10/0x10 [ 430.016356][ T27] ret_from_fork+0x4b/0x80 [ 430.016369][ T27] ? __pfx_kthread+0x10/0x10 [ 430.016384][ T27] ret_from_fork_asm+0x1a/0x30 [ 430.016404][ T27] [ 430.016410][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 430.080949][ T27] CPU: 0 UID: 0 PID: 27 Comm: khungtaskd Not tainted 6.14.0-rc6-syzkaller-00205-g3571e8b091f4 #0 [ 430.084792][ T27] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 430.089011][ T27] Call Trace: [ 430.090386][ T27] [ 430.091639][ T27] dump_stack_lvl+0x241/0x360 [ 430.093466][ T27] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.095307][ T27] ? __pfx__printk+0x10/0x10 [ 430.096813][ T27] ? vscnprintf+0x5d/0x90 [ 430.098422][ T27] panic+0x349/0x880 [ 430.100020][ T27] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.102450][ T27] ? __pfx_panic+0x10/0x10 [ 430.104278][ T27] ? __wake_up_klogd+0xcc/0x110 [ 430.106230][ T27] ? irq_work_queue+0xd1/0x150 [ 430.108205][ T27] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.110679][ T27] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.113136][ T27] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.115537][ T27] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 430.118006][ T27] watchdog+0x1097/0x10a0 [ 430.119742][ T27] ? watchdog+0x1ea/0x10a0 [ 430.121527][ T27] ? __pfx_watchdog+0x10/0x10 [ 430.123458][ T27] kthread+0x7a9/0x920 [ 430.125138][ T27] ? __pfx_kthread+0x10/0x10 [ 430.126982][ T27] ? __pfx_watchdog+0x10/0x10 [ 430.128987][ T27] ? __pfx_kthread+0x10/0x10 [ 430.130927][ T27] ? __pfx_kthread+0x10/0x10 [ 430.132780][ T27] ? __pfx_kthread+0x10/0x10 [ 430.134574][ T27] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.136666][ T27] ? lockdep_hardirqs_on+0x99/0x150 [ 430.138785][ T27] ? __pfx_kthread+0x10/0x10 [ 430.140650][ T27] ret_from_fork+0x4b/0x80 [ 430.142492][ T27] ? __pfx_kthread+0x10/0x10 [ 430.144348][ T27] ret_from_fork_asm+0x1a/0x30 [ 430.146239][ T27] [ 430.147799][ T27] Kernel Offset: disabled [ 430.149549][ T27] Rebooting in 86400 seconds.. VM DIAGNOSIS: 18:20:37 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000072 RBX=ffffffff9a999100 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc900004e76d0 R8 =ffffffff858443bb R9 =1ffff11003db8046 R10=dffffc0000000000 R11=ffffffff85844370 R12=dffffc0000000000 R13=0000000000000072 R14=0000000000000072 R15=00000000000003f8 RIP=ffffffff858443ee 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 ffff88801fc00000 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=00007f82269af580 CR3=00000000441d8000 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=0000000004040003 Opmask01=0000000000000001 Opmask02=00000000ffff3f01 Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffccfe4b700 0000003000000010 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffccfe4b700 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e2e2e2e2e2e2e2e 2e2e2e2e2e2e2e2e ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000ff0000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000ff000000ff00 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f73616572003663 6974617473006575 6575715f6c6f7274 6e6f63203a732500 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4a56444057001346 4c51445156004050 4050545f494a5751 4b4a46051f560000 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000055753b2e8484 0000000000000041 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000000b1 000055706c284700 00316e6170772f74 656e2f317968702f ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000021 0000000000000000 00005570094f6233 73656d5f70636864 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 725f0fe752ffe661 72610ffd7ef9f37f 656775737b7f7fff 7f7f7d7f75777965 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 252d73250073252d 7325007473657571 65726f6e20007473 6575716572200032 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000021 0000000000000000 0000000000000031 0000726565666965 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000021 0000000000000000 0000000000000031 00006d5f65636864 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 bfbfbfbfbfbfbfbf bfbfbfbfbfbfbfbf bfbfbfbfbfbfbfbf bfbf2b313423342c ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 262821df2e2e33df 3228df3232202b22 df312e232d2435bf 2324353124322431 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4141414141414141 4141414141414141 4141414141414141 4141414141414141 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2020202020202020 2020202020202020 2020202020202020 2020202020202020