DUID 00:04:1b:4d:40:85:b1:6b:61:74:2c:72:11:ce:21:17:3d:97 forked to background, child pid 3172 [ 29.179880][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.192878][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.165125][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.87' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 572.802622][ T27] INFO: task syz-executor412:3529 blocked for more than 143 seconds. [ 572.810882][ T27] Not tainted 5.15.113-syzkaller #0 [ 572.851259][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.868688][ T27] task:syz-executor412 state:D stack:26976 pid: 3529 ppid: 3526 flags:0x00004004 [ 572.887438][ T27] Call Trace: [ 572.890776][ T27] [ 572.898961][ T27] __schedule+0x12c4/0x4590 [ 572.903696][ T27] ? __sched_text_start+0x8/0x8 [ 572.908577][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 572.929602][ T27] ? print_irqtrace_events+0x210/0x210 [ 572.940268][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 572.945471][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 572.950695][ T27] schedule+0x11b/0x1f0 [ 572.972515][ T27] rwsem_down_write_slowpath+0xebb/0x15c0 [ 572.978307][ T27] ? clear_nonspinnable+0x60/0x60 [ 572.992947][ T27] ? read_lock_is_recursive+0x10/0x10 [ 572.998378][ T27] ? aa_path_link+0xea0/0xea0 [ 573.017099][ T27] down_write+0x164/0x170 [ 573.021472][ T27] ? down_read_killable+0x350/0x350 [ 573.037127][ T27] ? end_current_label_crit_section+0x147/0x170 [ 573.049021][ T27] blkdev_fallocate+0x257/0x3d0 [ 573.054028][ T27] vfs_fallocate+0x54a/0x6b0 [ 573.058718][ T27] __x64_sys_fallocate+0xb9/0x100 [ 573.077824][ T27] do_syscall_64+0x3d/0xb0 [ 573.082343][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.088299][ T27] RIP: 0033:0x7f7017a75e19 [ 573.109820][ T27] RSP: 002b:00007fff0c359c68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 573.123504][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f7017a75e19 [ 573.131522][ T27] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 [ 573.156463][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 573.174883][ T27] R10: 0000010000000002 R11: 0000000000000246 R12: 00007f7017a395f0 [ 573.193184][ T27] R13: 0000000000000000 R14: 00007fff0c359c90 R15: 00007fff0c359c80 [ 573.201234][ T27] [ 573.212487][ T27] INFO: task syz-executor412:3531 blocked for more than 143 seconds. [ 573.220576][ T27] Not tainted 5.15.113-syzkaller #0 [ 573.239413][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.261858][ T27] task:syz-executor412 state:D stack:26976 pid: 3531 ppid: 3527 flags:0x00004004 [ 573.276347][ T27] Call Trace: [ 573.279659][ T27] [ 573.298338][ T27] __schedule+0x12c4/0x4590 [ 573.302979][ T27] ? __sched_text_start+0x8/0x8 [ 573.307852][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.324137][ T27] ? print_irqtrace_events+0x210/0x210 [ 573.329729][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.335179][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.340416][ T27] schedule+0x11b/0x1f0 [ 573.344650][ T27] rwsem_down_write_slowpath+0xebb/0x15c0 [ 573.350419][ T27] ? clear_nonspinnable+0x60/0x60 [ 573.355526][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.360935][ T27] ? aa_path_link+0xea0/0xea0 [ 573.365688][ T27] down_write+0x164/0x170 [ 573.370040][ T27] ? down_read_killable+0x350/0x350 [ 573.375308][ T27] ? end_current_label_crit_section+0x147/0x170 [ 573.381582][ T27] blkdev_fallocate+0x257/0x3d0 [ 573.386526][ T27] vfs_fallocate+0x54a/0x6b0 [ 573.391149][ T27] __x64_sys_fallocate+0xb9/0x100 [ 573.396253][ T27] do_syscall_64+0x3d/0xb0 [ 573.400696][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.406712][ T27] RIP: 0033:0x7f7017a75e19 [ 573.411144][ T27] RSP: 002b:00007fff0c359c68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 573.419768][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f7017a75e19 [ 573.439238][ T27] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 [ 573.458803][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 573.476868][ T27] R10: 0000010000000002 R11: 0000000000000246 R12: 00007f7017a395f0 [ 573.495749][ T27] R13: 0000000000000000 R14: 00007fff0c359c90 R15: 00007fff0c359c80 [ 573.514268][ T27] [ 573.517350][ T27] INFO: task syz-executor412:3532 blocked for more than 144 seconds. [ 573.525618][ T27] Not tainted 5.15.113-syzkaller #0 [ 573.531387][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.540148][ T27] task:syz-executor412 state:D stack:26688 pid: 3532 ppid: 3525 flags:0x00004004 [ 573.549433][ T27] Call Trace: [ 573.552763][ T27] [ 573.555714][ T27] __schedule+0x12c4/0x4590 [ 573.560262][ T27] ? __sched_text_start+0x8/0x8 [ 573.565182][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.571262][ T27] ? print_irqtrace_events+0x210/0x210 [ 573.576789][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.581934][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.587547][ T27] schedule+0x11b/0x1f0 [ 573.591729][ T27] rwsem_down_write_slowpath+0xebb/0x15c0 [ 573.597597][ T27] ? clear_nonspinnable+0x60/0x60 [ 573.607679][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.613158][ T27] ? aa_path_link+0xea0/0xea0 [ 573.617920][ T27] down_write+0x164/0x170 [ 573.622776][ T27] ? down_read_killable+0x350/0x350 [ 573.628037][ T27] ? end_current_label_crit_section+0x147/0x170 [ 573.634458][ T27] blkdev_fallocate+0x257/0x3d0 [ 573.639343][ T27] vfs_fallocate+0x54a/0x6b0 [ 573.644008][ T27] __x64_sys_fallocate+0xb9/0x100 [ 573.649073][ T27] do_syscall_64+0x3d/0xb0 [ 573.653667][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.659585][ T27] RIP: 0033:0x7f7017a75e19 [ 573.664043][ T27] RSP: 002b:00007fff0c359c68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 573.672612][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f7017a75e19 [ 573.680608][ T27] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 [ 573.688719][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 573.696763][ T27] R10: 0000010000000002 R11: 0000000000000246 R12: 00007f7017a395f0 [ 573.704783][ T27] R13: 0000000000000000 R14: 00007fff0c359c90 R15: 00007fff0c359c80 [ 573.712925][ T27] [ 573.720896][ T27] INFO: task syz-executor412:3539 blocked for more than 144 seconds. [ 573.734192][ T27] Not tainted 5.15.113-syzkaller #0 [ 573.739940][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.749048][ T27] task:syz-executor412 state:D stack:24080 pid: 3539 ppid: 3521 flags:0x00004004 [ 573.758345][ T27] Call Trace: [ 573.761639][ T27] [ 573.764710][ T27] __schedule+0x12c4/0x4590 [ 573.769278][ T27] ? __sched_text_start+0x8/0x8 [ 573.774215][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.780230][ T27] ? print_irqtrace_events+0x210/0x210 [ 573.785819][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.790966][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.796239][ T27] schedule+0x11b/0x1f0 [ 573.800421][ T27] rwsem_down_write_slowpath+0xebb/0x15c0 [ 573.806232][ T27] ? clear_nonspinnable+0x60/0x60 [ 573.811287][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.816735][ T27] ? aa_path_link+0xea0/0xea0 [ 573.821446][ T27] down_write+0x164/0x170 [ 573.825856][ T27] ? down_read_killable+0x350/0x350 [ 573.831085][ T27] ? end_current_label_crit_section+0x147/0x170 [ 573.837435][ T27] blkdev_fallocate+0x257/0x3d0 [ 573.842319][ T27] vfs_fallocate+0x54a/0x6b0 [ 573.857214][ T27] __x64_sys_fallocate+0xb9/0x100 [ 573.862303][ T27] do_syscall_64+0x3d/0xb0 [ 573.877749][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.883739][ T27] RIP: 0033:0x7f7017a75e19 [ 573.888189][ T27] RSP: 002b:00007fff0c359c68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 573.919366][ T27] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f7017a75e19 [ 573.935917][ T27] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 [ 573.948974][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 573.964488][ T27] R10: 0000010000000002 R11: 0000000000000246 R12: 000000000004b060 [ 573.983098][ T27] R13: 00007fff0c359c7c R14: 00007fff0c359c90 R15: 00007fff0c359c80 [ 573.991129][ T27] [ 574.004178][ T27] [ 574.004178][ T27] Showing all locks held in the system: [ 574.011935][ T27] 1 lock held by khungtaskd/27: [ 574.032292][ T27] #0: ffffffff8c91c560 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 574.041744][ T27] 1 lock held by klogd/2950: [ 574.062189][ T27] 2 locks held by getty/3263: [ 574.067040][ T27] #0: ffff88802406d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 574.077394][ T27] #1: ffffc900024bb2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 [ 574.087638][ T27] 1 lock held by syz-executor412/3529: [ 574.093145][ T27] #0: ffff88814089f338 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x257/0x3d0 [ 574.103861][ T27] 1 lock held by syz-executor412/3530: [ 574.109332][ T27] 1 lock held by syz-executor412/3531: [ 574.114830][ T27] #0: ffff88814089f338 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x257/0x3d0 [ 574.125550][ T27] 1 lock held by syz-executor412/3532: [ 574.131023][ T27] #0: ffff88814089f338 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x257/0x3d0 [ 574.141726][ T27] 1 lock held by syz-executor412/3539: [ 574.147286][ T27] #0: ffff88814089f338 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x257/0x3d0 [ 574.168107][ T27] 1 lock held by syz-executor412/3546: [ 574.173658][ T27] #0: ffff88814089f338 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x257/0x3d0 [ 574.200952][ T27] [ 574.203375][ T27] ============================================= [ 574.203375][ T27] [ 574.211792][ T27] NMI backtrace for cpu 0 [ 574.216131][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.113-syzkaller #0 [ 574.224126][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 574.234194][ T27] Call Trace: [ 574.237489][ T27] [ 574.240430][ T27] dump_stack_lvl+0x1e3/0x2cb [ 574.245136][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 574.250789][ T27] ? panic+0x84d/0x84d [ 574.254973][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 574.260165][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 574.265125][ T27] ? __wake_up_klogd+0xd5/0x100 [ 574.270016][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 574.276187][ T27] ? _printk+0xd1/0x111 [ 574.280365][ T27] ? panic+0x84d/0x84d [ 574.284451][ T27] ? __wake_up_klogd+0xcc/0x100 [ 574.289345][ T27] ? panic+0x84d/0x84d [ 574.293434][ T27] ? __rcu_read_unlock+0x92/0x100 [ 574.298533][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 574.304659][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 574.310664][ T27] watchdog+0xe72/0xeb0 [ 574.314899][ T27] kthread+0x3f6/0x4f0 [ 574.319023][ T27] ? hungtask_pm_notify+0x50/0x50 [ 574.324065][ T27] ? kthread_blkcg+0xd0/0xd0 [ 574.328672][ T27] ret_from_fork+0x1f/0x30 [ 574.333178][ T27] [ 574.336344][ T27] Sending NMI from CPU 0 to CPUs 1: [ 574.341572][ C1] NMI backtrace for cpu 1 [ 574.341583][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 5.15.113-syzkaller #0 [ 574.341602][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 574.341611][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x28/0x80 [ 574.341637][ C1] Code: 1f 00 4c 8b 04 24 65 48 8b 15 04 83 82 7e 65 8b 05 05 83 82 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 5b 83 ba 34 16 00 00 00 <74> 52 8b 82 10 16 00 00 83 f8 03 75 47 48 8b 8a 18 16 00 00 44 8b [ 574.341651][ C1] RSP: 0018:ffffc90000da7bd8 EFLAGS: 00000246 [ 574.341666][ C1] RAX: 0000000080000100 RBX: 0000000080000100 RCX: 0000000000000101 [ 574.341677][ C1] RDX: ffff888011e38000 RSI: 0000000080000100 RDI: 0000000000000000 [ 574.341689][ C1] RBP: ffffe8ffffd20af8 R08: ffffffff83ee786b R09: fffffbfff1f79221 [ 574.341702][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801b6f7700 [ 574.341714][ C1] R13: dffffc0000000000 R14: ffff888147d88380 R15: 1ffff11003636c7c [ 574.341726][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 574.341741][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 574.341752][ C1] CR2: 000056490b1fd600 CR3: 00000000742bd000 CR4: 00000000003506e0 [ 574.341768][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 574.341777][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 574.341787][ C1] Call Trace: [ 574.341792][ C1] [ 574.341797][ C1] blk_stat_add+0x3ab/0x460 [ 574.341875][ C1] __blk_mq_end_request+0x1e3/0x380 [ 574.341897][ C1] blk_done_softirq+0xf2/0x130 [ 574.341914][ C1] __do_softirq+0x3b3/0x93a [ 574.341965][ C1] ? run_ksoftirqd+0xc1/0x120 [ 574.342010][ C1] ? __entry_text_end+0x1feabc/0x1feabc [ 574.342029][ C1] ? run_ksoftirqd+0xa3/0x120 [ 574.342044][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 574.342109][ C1] run_ksoftirqd+0xc1/0x120 [ 574.342124][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 574.342139][ C1] ? smpboot_thread_fn+0x2c1/0x9d0 [ 574.342175][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 574.342192][ C1] smpboot_thread_fn+0x51b/0x9d0 [ 574.342216][ C1] kthread+0x3f6/0x4f0 [ 574.342230][ C1] ? cpu_report_death+0x180/0x180 [ 574.342248][ C1] ? kthread_blkcg+0xd0/0xd0 [ 574.342263][ C1] ret_from_fork+0x1f/0x30 [ 574.342288][ C1] [ 574.487153][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 574.575304][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.113-syzkaller #0 [ 574.583310][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 574.593397][ T27] Call Trace: [ 574.596694][ T27] [ 574.599650][ T27] dump_stack_lvl+0x1e3/0x2cb [ 574.604351][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 574.610004][ T27] ? panic+0x84d/0x84d [ 574.614113][ T27] panic+0x318/0x84d [ 574.618031][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 574.623685][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 574.629863][ T27] ? fb_is_primary_device+0xcc/0xcc [ 574.635087][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 574.641183][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 574.647368][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 574.653549][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 574.659901][ T27] watchdog+0xeb0/0xeb0 [ 574.664089][ T27] kthread+0x3f6/0x4f0 [ 574.668181][ T27] ? hungtask_pm_notify+0x50/0x50 [ 574.673228][ T27] ? kthread_blkcg+0xd0/0xd0 [ 574.677840][ T27] ret_from_fork+0x1f/0x30 [ 574.682293][ T27] [ 574.685547][ T27] Kernel Offset: disabled [ 574.689880][ T27] Rebooting in 86400 seconds..