[ 86.551312][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:29152' (ED25519) to the list of known hosts. executing program [ 265.862236][ T5343] loop0: detected capacity change from 0 to 16 [ 265.883688][ T5343] erofs: (device loop0): mounted with root inode @ nid 36. [ 265.903389][ T5343] evm: overlay not supported [ 429.596211][ T25] INFO: task syz-executor688:5342 blocked for more than 143 seconds. [ 429.599566][ T25] Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 [ 429.603337][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.615793][ T25] task:syz-executor688 state:D stack:25920 pid:5342 tgid:5342 ppid:5339 flags:0x00000006 [ 429.619899][ T25] Call Trace: [ 429.621285][ T25] [ 429.622464][ T25] __schedule+0x18af/0x4bd0 [ 429.624416][ T25] ? __pfx___schedule+0x10/0x10 [ 429.636527][ T25] ? __pfx_lock_release+0x10/0x10 [ 429.638912][ T25] ? __mutex_trylock_common+0x92/0x2e0 [ 429.641336][ T25] ? schedule+0x90/0x320 [ 429.643003][ T25] schedule+0x14b/0x320 [ 429.644482][ T25] schedule_preempt_disabled+0x13/0x30 [ 429.655746][ T25] __mutex_lock+0x6a7/0xd70 [ 429.657546][ T25] ? __x64_sys_close+0x7f/0x110 [ 429.659120][ T25] ? do_syscall_64+0xf3/0x230 [ 429.660831][ T25] ? __mutex_lock+0x52a/0xd70 [ 429.662656][ T25] ? ima_file_free+0x17f/0x4d0 [ 429.664469][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 429.685819][ T25] ? __asan_memset+0x23/0x50 [ 429.687595][ T25] ima_file_free+0x17f/0x4d0 [ 429.689314][ T25] ? __pfx_ima_file_free+0x10/0x10 [ 429.691166][ T25] ? __pfx_ovl_real_fdget_meta+0x10/0x10 [ 429.693158][ T25] ? __pfx___might_resched+0x10/0x10 [ 429.694986][ T25] ? ovl_flush+0x32c/0x3c0 [ 429.705718][ T25] security_file_release+0x92/0x140 [ 429.708185][ T25] __fput+0x1ae/0x880 [ 429.709744][ T25] __x64_sys_close+0x7f/0x110 [ 429.711523][ T25] do_syscall_64+0xf3/0x230 [ 429.713289][ T25] ? clear_bhb_loop+0x35/0x90 [ 429.715102][ T25] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.726155][ T25] RIP: 0033:0x7fd7dd29cdda [ 429.727807][ T25] RSP: 002b:00007ffd572b6bd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 429.731001][ T25] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd7dd29cdda [ 429.733820][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 429.755766][ T25] RBP: 0000000000000032 R08: 0000000000000000 R09: 7fffffffffffffff [ 429.758809][ T25] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd7dd32560c [ 429.761839][ T25] R13: 0000000000000009 R14: 0000000000040e1f R15: 0000000000040e51 [ 429.764774][ T25] [ 429.775772][ T25] [ 429.775772][ T25] Showing all locks held in the system: [ 429.778855][ T25] 1 lock held by khungtaskd/25: [ 429.780646][ T25] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 429.784486][ T25] 2 locks held by getty/5108: [ 429.795744][ T25] #0: ffff88801fa510a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 429.799438][ T25] #1: ffffc9000039b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 429.803579][ T25] 1 lock held by syz-executor688/5342: [ 429.816289][ T25] #0: ffff88803f594398 (&ima_iint_mutex_key[depth]#2){+.+.}-{3:3}, at: ima_file_free+0x17f/0x4d0 [ 429.820444][ T25] 1 lock held by syz-executor688/5343: [ 429.826000][ T25] [ 429.826930][ T25] ============================================= [ 429.826930][ T25] [ 429.829922][ T25] NMI backtrace for cpu 0 [ 429.831503][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 [ 429.835271][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 429.839295][ T25] Call Trace: [ 429.840589][ T25] [ 429.841703][ T25] dump_stack_lvl+0x241/0x360 [ 429.843482][ T25] ? __pfx_dump_stack_lvl+0x10/0x10 [ 429.845405][ T25] ? __pfx__printk+0x10/0x10 [ 429.847136][ T25] nmi_cpu_backtrace+0x49c/0x4d0 [ 429.849142][ T25] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 429.851250][ T25] ? _printk+0xd5/0x120 [ 429.852868][ T25] ? __pfx__printk+0x10/0x10 [ 429.854603][ T25] ? __wake_up_klogd+0xcc/0x110 [ 429.856534][ T25] ? __pfx__printk+0x10/0x10 [ 429.858468][ T25] ? __rcu_read_unlock+0xa1/0x110 [ 429.860381][ T25] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 429.862610][ T25] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 429.864748][ T25] watchdog+0xff4/0x1040 [ 429.866407][ T25] ? watchdog+0x1ea/0x1040 [ 429.868110][ T25] ? __pfx_watchdog+0x10/0x10 [ 429.869871][ T25] kthread+0x2f0/0x390 [ 429.871405][ T25] ? __pfx_watchdog+0x10/0x10 [ 429.873246][ T25] ? __pfx_kthread+0x10/0x10 [ 429.874971][ T25] ret_from_fork+0x4b/0x80 [ 429.876683][ T25] ? __pfx_kthread+0x10/0x10 [ 429.878463][ T25] ret_from_fork_asm+0x1a/0x30 [ 429.880327][ T25] [ 429.945695][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 429.948418][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 [ 429.952137][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 429.956381][ T25] Call Trace: [ 429.957749][ T25] [ 429.958937][ T25] dump_stack_lvl+0x241/0x360 [ 429.960792][ T25] ? __pfx_dump_stack_lvl+0x10/0x10 [ 429.962828][ T25] ? __pfx__printk+0x10/0x10 [ 429.964838][ T25] ? nmi_cpu_backtrace+0x42e/0x4d0 [ 429.967110][ T25] ? vscnprintf+0x5d/0x90 [ 429.969054][ T25] panic+0x349/0x880 [ 429.970738][ T25] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 429.973285][ T25] ? __pfx_panic+0x10/0x10 [ 429.975073][ T25] ? tick_nohz_tick_stopped+0x82/0xb0 [ 429.977138][ T25] ? __irq_work_queue_local+0x137/0x410 [ 429.979068][ T25] ? preempt_schedule_thunk+0x1a/0x30 [ 429.980845][ T25] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 429.982996][ T25] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 429.985209][ T25] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 429.987439][ T25] watchdog+0x1033/0x1040 [ 429.988988][ T25] ? watchdog+0x1ea/0x1040 [ 429.990668][ T25] ? __pfx_watchdog+0x10/0x10 [ 429.992505][ T25] kthread+0x2f0/0x390 [ 429.994074][ T25] ? __pfx_watchdog+0x10/0x10 [ 429.995798][ T25] ? __pfx_kthread+0x10/0x10 [ 429.997629][ T25] ret_from_fork+0x4b/0x80 [ 429.999254][ T25] ? __pfx_kthread+0x10/0x10 [ 430.000867][ T25] ret_from_fork_asm+0x1a/0x30 [ 430.002805][ T25] [ 430.004229][ T25] Kernel Offset: disabled [ 430.005930][ T25] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:14:17 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000061 RBX=ffffffff9a716e80 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc900004bf770 R8 =ffffffff854aac2b R9 =1ffff11003d55046 R10=dffffc0000000000 R11=ffffffff854aabe0 R12=dffffc0000000000 R13=ffffffff9a411f19 R14=0000000000000061 R15=00000000000003f8 RIP=ffffffff854aac5e 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=00007ffd5cfb7268 CR3=0000000043e96000 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 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 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0000000000000000 0000000000000000 c67178f2bef9a3f7 a4506ceb90befffa ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff 0b0a090803020100 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0b0a090803020100 ffffffffffffffff ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0c0d0e0f08090a0b 0405060700010203 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 0000000000000911 0000000000000000 306572673670692f 74656e2f6c617574 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000041 0000000000000000 00306e6170772f74 656e2f307968702f ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000021 0000000000000000 0000561432972233 73656d5f70636864 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 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