[ 35.000501][ T3174] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 42.461700][ T26] kauditd_printk_skb: 37 callbacks suppressed
[ 42.461717][ T26] audit: type=1400 audit(1644413594.681:73): avc: denied { transition } for pid=3386 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 42.490538][ T26] audit: type=1400 audit(1644413594.691:74): avc: denied { write } for pid=3386 comm="sh" path="pipe:[27262]" dev="pipefs" ino=27262 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
[ 81.381565][ T25] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts.
executing program
[ 485.795423][ T26] audit: type=1400 audit(1644414038.011:75): avc: denied { execmem } for pid=3631 comm="syz-executor295" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 485.815646][ T26] audit: type=1400 audit(1644414038.021:76): avc: denied { read write } for pid=3632 comm="syz-executor295" name="vhost-vsock" dev="devtmpfs" ino=1080 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 485.840474][ T26] audit: type=1400 audit(1644414038.021:77): avc: denied { open } for pid=3632 comm="syz-executor295" path="/dev/vhost-vsock" dev="devtmpfs" ino=1080 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 485.864714][ T26] audit: type=1400 audit(1644414038.021:78): avc: denied { ioctl } for pid=3632 comm="syz-executor295" path="/dev/vhost-vsock" dev="devtmpfs" ino=1080 ioctlcmd=0xaf01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 716.259047][ T27] INFO: task syz-executor295:3632 blocked for more than 143 seconds.
[ 716.267221][ T27] Not tainted 5.17.0-rc3-syzkaller-00029-ge6251ab4551f #0
[ 716.275634][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.284561][ T27] task:syz-executor295 state:D stack:27776 pid: 3632 ppid: 3631 flags:0x00004002
[ 716.294001][ T27] Call Trace:
[ 716.297285][ T27]
[ 716.300456][ T27] __schedule+0xab2/0x4db0
[ 716.305086][ T27] ? __lock_acquire+0x1655/0x5470
[ 716.310428][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 716.316431][ T27] ? io_schedule_timeout+0x180/0x180
[ 716.321996][ T27] schedule+0xd2/0x260
[ 716.326094][ T27] schedule_timeout+0x1db/0x2a0
[ 716.331417][ T27] ? usleep_range_state+0x1b0/0x1b0
[ 716.336638][ T27] ? wait_for_completion+0x16c/0x270
[ 716.342280][ T27] ? lock_downgrade+0x6e0/0x6e0
[ 716.347154][ T27] ? do_raw_spin_lock+0x120/0x2b0
[ 716.352433][ T27] ? rwlock_bug.part.0+0x90/0x90
[ 716.357386][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.362841][ T27] wait_for_completion+0x174/0x270
[ 716.367975][ T27] ? bit_wait_io_timeout+0x160/0x160
[ 716.373519][ T27] vhost_work_dev_flush.part.0+0xbb/0xf0
[ 716.379652][ T27] ? vhost_work_init+0x50/0x50
[ 716.384428][ T27] ? wait_for_completion_io+0x270/0x270
[ 716.390641][ T27] ? vhost_poll_stop+0x80/0x80
[ 716.395424][ T27] ? vhost_vsock_dev_release+0x17b/0x4b0
[ 716.401420][ T27] vhost_poll_flush+0x5e/0x80
[ 716.406111][ T27] vhost_vsock_dev_release+0x1be/0x4b0
[ 716.411817][ T27] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80
[ 716.418148][ T27] ? ima_file_free+0xb6/0x420
[ 716.423173][ T27] __fput+0x286/0x9f0
[ 716.427215][ T27] ? vhost_vsock_reset_orphans+0x170/0x170
[ 716.434853][ T27] task_work_run+0xdd/0x1a0
[ 716.439609][ T27] do_exit+0xb29/0x2a30
[ 716.443812][ T27] ? lock_downgrade+0x6e0/0x6e0
[ 716.449113][ T27] ? lock_downgrade+0x6e0/0x6e0
[ 716.453980][ T27] ? mm_update_next_owner+0x7a0/0x7a0
[ 716.459632][ T27] do_group_exit+0xd2/0x2f0
[ 716.464158][ T27] __x64_sys_exit_group+0x3a/0x50
[ 716.469445][ T27] do_syscall_64+0x35/0xb0
[ 716.473942][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 716.480101][ T27] RIP: 0033:0x7fab38cf1b89
[ 716.484522][ T27] RSP: 002b:00007ffd5c24cd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 716.493218][ T27] RAX: ffffffffffffffda RBX: 00007fab38d66330 RCX: 00007fab38cf1b89
[ 716.501591][ T27] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 716.510115][ T27] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 00007ffd5c24cf88
[ 716.518103][ T27] R10: 00007ffd5c24cf88 R11: 0000000000000246 R12: 00007fab38d66330
[ 716.526378][ T27] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 716.534632][ T27]
[ 716.537720][ T27]
[ 716.537720][ T27] Showing all locks held in the system:
[ 716.545716][ T27] 1 lock held by khungtaskd/27:
[ 716.550762][ T27] #0: ffffffff8bb81120 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[ 716.560959][ T27] 2 locks held by getty/3277:
[ 716.565638][ T27] #0: ffff88807ec8f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 716.575811][ T27] #1: ffffc90002b5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230
[ 716.586170][ T27] 1 lock held by vhost-3632/3633:
[ 716.591386][ T27]
[ 716.593710][ T27] =============================================
[ 716.593710][ T27]
[ 716.602394][ T27] NMI backtrace for cpu 0
[ 716.606717][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc3-syzkaller-00029-ge6251ab4551f #0
[ 716.616608][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.626660][ T27] Call Trace:
[ 716.629934][ T27]
[ 716.632874][ T27] dump_stack_lvl+0xcd/0x134
[ 716.637675][ T27] nmi_cpu_backtrace.cold+0x47/0x144
[ 716.642980][ T27] ? lapic_can_unplug_cpu+0x80/0x80
[ 716.648215][ T27] nmi_trigger_cpumask_backtrace+0x1b3/0x230
[ 716.654229][ T27] watchdog+0xc1d/0xf50
[ 716.658399][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 716.664401][ T27] kthread+0x2e9/0x3a0
[ 716.668533][ T27] ? kthread_complete_and_exit+0x40/0x40
[ 716.674178][ T27] ret_from_fork+0x1f/0x30
[ 716.678632][ T27]
[ 716.681804][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 716.687016][ C1] NMI backtrace for cpu 1
[ 716.687027][ C1] CPU: 1 PID: 3633 Comm: vhost-3632 Not tainted 5.17.0-rc3-syzkaller-00029-ge6251ab4551f #0
[ 716.687050][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.687062][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60
[ 716.687093][ C1] Code: 81 e1 00 01 00 00 65 48 8b 14 25 00 70 02 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 a4 15 00 00 85 c0 74 2b 8b 82 80 15 00 00 <83> f8 02 75 20 48 8b 8a 88 15 00 00 8b 92 84 15 00 00 48 8b 01 48
[ 716.687113][ C1] RSP: 0018:ffffc90000edfc40 EFLAGS: 00000246
[ 716.687130][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 716.687143][ C1] RDX: ffff88807289c1c0 RSI: ffffffff86d4cb88 RDI: ffff88801ba00280
[ 716.687158][ C1] RBP: ffff88801ba00280 R08: 0000000000000010 R09: ffffc90000edfc77
[ 716.687172][ C1] R10: ffffffff86d3d87b R11: 0000000000000001 R12: 0000000000000000
[ 716.687185][ C1] R13: 000000000000000f R14: 0000000000000001 R15: 0000000000000000
[ 716.687197][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 716.687215][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.687230][ C1] CR2: 00007ffe58d50418 CR3: 000000001a6c5000 CR4: 00000000003506e0
[ 716.687244][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.687256][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.687269][ C1] Call Trace:
[ 716.687274][ C1]
[ 716.687280][ C1] vhost_iotlb_itree_first+0x18/0x280
[ 716.687306][ C1] iotlb_access_ok+0x1ce/0x3e0
[ 716.687328][ C1] vq_meta_prefetch+0xbc/0x280
[ 716.687348][ C1] vhost_transport_do_send_pkt+0xe0/0xfd0
[ 716.687375][ C1] ? kcov_remote_start+0x277/0x770
[ 716.687400][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 716.687424][ C1] ? vhost_vsock_dev_release+0x4b0/0x4b0
[ 716.687449][ C1] ? rwlock_bug.part.0+0x90/0x90
[ 716.687473][ C1] ? kcov_remote_start+0x155/0x770
[ 716.687497][ C1] ? lockdep_hardirqs_on+0x79/0x100
[ 716.687525][ C1] vhost_worker+0x23d/0x3d0
[ 716.687550][ C1] ? vhost_dev_reset_owner+0x160/0x160
[ 716.687571][ C1] kthread+0x2e9/0x3a0
[ 716.687594][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 716.687619][ C1] ret_from_fork+0x1f/0x30
[ 716.687643][ C1]
[ 716.908996][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 716.915854][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc3-syzkaller-00029-ge6251ab4551f #0
[ 716.925753][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.935810][ T27] Call Trace:
[ 716.939091][ T27]
[ 716.942021][ T27] dump_stack_lvl+0xcd/0x134
[ 716.946626][ T27] panic+0x2b0/0x6dd
[ 716.950574][ T27] ? __warn_printk+0xf3/0xf3
[ 716.955178][ T27] ? lapic_can_unplug_cpu+0x80/0x80
[ 716.960384][ T27] ? preempt_schedule_thunk+0x16/0x18
[ 716.965765][ T27] ? nmi_trigger_cpumask_backtrace+0x196/0x230
[ 716.971930][ T27] ? watchdog.cold+0x130/0x158
[ 716.976815][ T27] watchdog.cold+0x141/0x158
[ 716.981417][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 716.987410][ T27] kthread+0x2e9/0x3a0
[ 716.991486][ T27] ? kthread_complete_and_exit+0x40/0x40
[ 716.997128][ T27] ret_from_fork+0x1f/0x30
[ 717.001556][ T27]
[ 717.004860][ T27] Kernel Offset: disabled
[ 717.009180][ T27] Rebooting in 86400 seconds..