Warning: Permanently added '[localhost]:49792' (ED25519) to the list of known hosts. 1970/01/01 00:07:38 ignoring optional flag "type"="qemu" 1970/01/01 00:07:44 parsed 1 programs [ 466.210907][ T30] audit: type=1400 audit(465.610:78): avc: denied { mount } for pid=3512 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 466.342439][ T30] audit: type=1400 audit(465.740:79): avc: denied { unlink } for pid=3512 comm="syz-executor" name="swap-file" dev="vda" ino=1874 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 467.364938][ T3512] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:07:46 executed programs: 0 [ 467.983861][ T30] audit: type=1400 audit(467.380:80): avc: denied { mount } for pid=3518 comm="syz-executor.0" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 477.892058][ T3518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 477.944194][ T3518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 482.095820][ T3518] hsr_slave_0: entered promiscuous mode [ 482.108327][ T3518] hsr_slave_1: entered promiscuous mode [ 486.854517][ T3518] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 486.897751][ T3518] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 486.944476][ T3518] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 486.994499][ T3518] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 490.663296][ T3518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 504.089884][ T3518] veth0_vlan: entered promiscuous mode [ 504.270118][ T3518] veth1_vlan: entered promiscuous mode [ 504.674706][ T3518] veth0_macvtap: entered promiscuous mode [ 504.768762][ T3518] veth1_macvtap: entered promiscuous mode [ 505.205345][ T1613] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.208563][ T1613] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.218412][ T1613] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.231388][ T1613] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 507.508466][ T3638] nbd0: detected capacity change from 0 to 131072 [ 509.139983][ T3636] block nbd0: Receive control failed (result -104) [ 538.061505][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 30 seconds [ 568.132179][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 60 seconds [ 598.208130][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 90 seconds [ 628.310810][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 120 seconds [ 658.369992][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 150 seconds 1970/01/01 00:11:00 executed programs: 1 [ 670.130745][ T3673] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 670.167353][ T3673] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 673.549066][ T3673] hsr_slave_0: entered promiscuous mode [ 673.553850][ T3673] hsr_slave_1: entered promiscuous mode [ 673.561856][ T3673] debugfs: 'hsr0' already exists in 'hsr' [ 673.563382][ T3673] Cannot create hsr debugfs directory [ 674.742346][ T3673] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 674.988338][ T3673] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 675.233809][ T3673] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 675.518708][ T3673] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 676.345380][ T3673] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 676.384027][ T3673] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 676.425646][ T3673] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 676.468392][ T3673] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 679.160492][ T3673] 8021q: adding VLAN 0 to HW filter on device bond0 [ 688.459079][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 180 seconds [ 689.434636][ T3673] veth0_vlan: entered promiscuous mode [ 689.600829][ T3673] veth1_vlan: entered promiscuous mode [ 689.926767][ T3673] veth0_macvtap: entered promiscuous mode [ 689.989316][ T3673] veth1_macvtap: entered promiscuous mode [ 690.329726][ T1613] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 690.330877][ T1613] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 690.331214][ T1613] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 690.331524][ T1613] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 718.530089][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 210 seconds [ 748.641374][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 240 seconds [ 778.718884][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 270 seconds [ 808.772532][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 300 seconds [ 838.847982][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 330 seconds 1970/01/01 00:14:05 executed programs: 2 [ 855.318040][ T3750] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 855.359478][ T3750] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 858.222470][ T3750] hsr_slave_0: entered promiscuous mode [ 858.227764][ T3750] hsr_slave_1: entered promiscuous mode [ 858.232340][ T3750] debugfs: 'hsr0' already exists in 'hsr' [ 858.234315][ T3750] Cannot create hsr debugfs directory [ 859.331601][ T3750] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 859.555599][ T3750] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 859.759923][ T3750] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 860.011488][ T3750] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 860.842159][ T3750] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 860.885297][ T3750] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 860.924495][ T3750] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 860.968945][ T3750] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 863.491463][ T3750] 8021q: adding VLAN 0 to HW filter on device bond0 [ 868.939047][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 360 seconds [ 873.838024][ T3750] veth0_vlan: entered promiscuous mode [ 873.949223][ T3750] veth1_vlan: entered promiscuous mode [ 874.230517][ T3750] veth0_macvtap: entered promiscuous mode [ 874.294879][ T3750] veth1_macvtap: entered promiscuous mode [ 874.741199][ T1141] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 874.748149][ T1141] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 874.752337][ T1141] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 874.769640][ T1141] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 899.009638][ T11] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 390 seconds [ 929.090618][ T1375] block nbd0: Possible stuck request 00000000a975c8e1: control (read@0,4096B). Runtime 420 seconds [ 958.519213][ T32] INFO: task udevd:3143 blocked for more than 430 seconds. [ 958.520617][ T32] Not tainted syzkaller #0 [ 958.521025][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 958.521762][ T32] task:udevd state:D stack:0 pid:3143 tgid:3143 ppid:1 task_flags:0x400140 flags:0x00000010 [ 958.523063][ T32] Call trace: [ 958.523498][ T32] __switch_to+0x208/0x4f0 (T) [ 958.537292][ T32] __schedule+0xd1c/0x3278 [ 958.538471][ T32] schedule+0xd0/0x344 [ 958.539436][ T32] schedule_preempt_disabled+0x18/0x2c [ 958.540375][ T32] __mutex_lock+0x72c/0xffc [ 958.541193][ T32] mutex_lock_nested+0x24/0x30 [ 958.542023][ T32] bdev_open+0x2c4/0xa84 [ 958.542909][ T32] blkdev_open+0x270/0x3dc [ 958.543761][ T32] do_dentry_open+0x3f4/0x10e4 [ 958.544603][ T32] vfs_open+0x5c/0x2fc [ 958.545466][ T32] path_openat+0x17f0/0x28cc [ 958.547060][ T32] do_filp_open+0x184/0x360 [ 958.547939][ T32] do_sys_openat2+0xe0/0x180 [ 958.548794][ T32] __arm64_sys_openat+0x12c/0x1bc [ 958.549751][ T32] invoke_syscall+0x6c/0x258 [ 958.550632][ T32] el0_svc_common.constprop.0+0xac/0x230 [ 958.551574][ T32] do_el0_svc+0x40/0x58 [ 958.552388][ T32] el0_svc+0x54/0x2b0 [ 958.553271][ T32] el0t_64_sync_handler+0xa0/0xe4 [ 958.554102][ T32] el0t_64_sync+0x198/0x19c [ 958.555273][ T32] INFO: task syz-executor.0:3635 blocked for more than 430 seconds. [ 958.557204][ T32] Not tainted syzkaller #0 [ 958.558129][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 958.559190][ T32] task:syz-executor.0 state:D stack:0 pid:3635 tgid:3632 ppid:3518 task_flags:0x400140 flags:0x00000019 [ 958.560909][ T32] Call trace: [ 958.561780][ T32] __switch_to+0x208/0x4f0 (T) [ 958.562796][ T32] __schedule+0xd1c/0x3278 [ 958.563815][ T32] schedule+0xd0/0x344 [ 958.564708][ T32] schedule_preempt_disabled+0x18/0x2c [ 958.565777][ T32] __mutex_lock+0x72c/0xffc [ 958.567462][ T32] mutex_lock_nested+0x24/0x30 [ 958.568546][ T32] bdev_release+0x104/0x510 [ 958.569502][ T32] blkdev_release+0x14/0x24 [ 958.570465][ T32] __fput+0x2c8/0x954 [ 958.571376][ T32] ____fput+0x14/0x20 [ 958.572361][ T32] task_work_run+0x128/0x210 [ 958.573405][ T32] get_signal+0x174/0x1ba8 [ 958.574413][ T32] arch_do_signal_or_restart+0x1f4/0x694 [ 958.575395][ T32] exit_to_user_mode_loop+0x140/0x1c8 [ 958.577381][ T32] el0_svc+0x26c/0x2b0 [ 958.578541][ T32] el0t_64_sync_handler+0xa0/0xe4 [ 958.579594][ T32] el0t_64_sync+0x198/0x19c [ 958.580976][ T32] [ 958.580976][ T32] Showing all locks held in the system: [ 958.582642][ T32] 1 lock held by khungtaskd/32: [ 958.584006][ T32] #0: ffff8000874b3a60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 [ 958.588529][ T32] 1 lock held by syslogd/3128: [ 958.589649][ T32] #0: ffff00006a07afd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x344/0x3278 [ 958.593233][ T32] 1 lock held by klogd/3132: [ 958.594276][ T32] 1 lock held by udevd/3143: [ 958.595255][ T32] #0: ffff000014af8358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 958.599594][ T32] 2 locks held by getty/3267: [ 958.600607][ T32] #0: ffff0000188a60a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 958.603952][ T32] #1: ffff80008d83b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e8/0xdc0 [ 958.607535][ T32] 1 lock held by syz-executor.0/3635: [ 958.608629][ T32] #0: ffff000014af8358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 [ 958.611702][ T32] 1 lock held by udevd/3637: [ 958.612794][ T32] #0: ffff000014af8358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 958.617337][ T32] 1 lock held by syz-executor.0/3747: [ 958.618423][ T32] #0: ffff000014af8358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 958.621440][ T32] 1 lock held by syz-executor.0/3823: [ 958.622534][ T32] #0: ffff000014af8358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 958.626196][ T32] [ 958.626923][ T32] ============================================= [ 958.626923][ T32] [ 958.628456][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 958.630403][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 958.630767][ T32] Hardware name: linux,dummy-virt (DT) [ 958.631031][ T32] Call trace: [ 958.631312][ T32] show_stack+0x18/0x24 (C) [ 958.631544][ T32] dump_stack_lvl+0x38/0xf4 [ 958.631794][ T32] dump_stack+0x1c/0x28 [ 958.631993][ T32] vpanic+0x49c/0x50c [ 958.632212][ T32] nmi_panic+0x0/0x64 [ 958.632463][ T32] watchdog+0x538/0xcd8 [ 958.632704][ T32] kthread+0x348/0x5fc [ 958.632915][ T32] ret_from_fork+0x10/0x20 [ 958.633743][ T32] SMP: stopping secondary CPUs [ 958.635374][ T32] Kernel Offset: disabled [ 958.635640][ T32] CPU features: 0x082000,04006800,40004000,0400421b [ 958.636453][ T32] Memory Limit: none [ 958.638056][ T32] Rebooting in 86400 seconds..