Warning: Permanently added '[localhost]:39101' (ED25519) to the list of known hosts. 1970/01/01 00:07:04 ignoring optional flag "type"="qemu" 1970/01/01 00:07:09 parsed 1 programs [ 430.399990][ T30] audit: type=1400 audit(429.930:78): avc: denied { mount } for pid=3498 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 [ 430.499291][ T30] audit: type=1400 audit(430.030:79): avc: denied { unlink } for pid=3498 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" [ 431.343604][ T3498] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:07:11 executed programs: 0 [ 431.929648][ T30] audit: type=1400 audit(431.460:80): avc: denied { mount } for pid=3505 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 [ 439.247483][ T3505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 439.297547][ T3505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 443.393997][ T3505] hsr_slave_0: entered promiscuous mode [ 443.414308][ T3505] hsr_slave_1: entered promiscuous mode [ 447.401846][ T3505] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 447.462250][ T3505] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 447.532725][ T3505] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 447.604776][ T3505] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 451.603099][ T3505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 464.959195][ T3505] veth0_vlan: entered promiscuous mode [ 465.129889][ T3505] veth1_vlan: entered promiscuous mode [ 465.535106][ T3505] veth0_macvtap: entered promiscuous mode [ 465.593032][ T3505] veth1_macvtap: entered promiscuous mode [ 466.077187][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 466.092634][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 466.093737][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 466.094119][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 468.089276][ T3625] nbd0: detected capacity change from 0 to 131072 [ 469.720896][ T48] block nbd0: Receive control failed (result -104) [ 498.882568][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 30 seconds [ 528.958183][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 60 seconds [ 529.288583][ T3132] udevd[3132]: worker [3624] /devices/virtual/block/nbd0 is taking a long time [ 559.037875][ T1372] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 90 seconds [ 589.112950][ T1372] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 120 seconds [ 619.192843][ T1372] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 150 seconds 1970/01/01 00:10:21 executed programs: 1 [ 630.469479][ T3657] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 630.504063][ T3657] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 634.324759][ T3657] hsr_slave_0: entered promiscuous mode [ 634.340917][ T3657] hsr_slave_1: entered promiscuous mode [ 634.348181][ T3657] debugfs: 'hsr0' already exists in 'hsr' [ 634.350079][ T3657] Cannot create hsr debugfs directory [ 635.908831][ T3657] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 636.152238][ T3657] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 636.364723][ T3657] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 636.610161][ T3657] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 637.540542][ T3657] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 637.591242][ T3657] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 637.647728][ T3657] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 637.691620][ T3657] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 640.387630][ T3657] 8021q: adding VLAN 0 to HW filter on device bond0 [ 649.272841][ T1372] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 180 seconds [ 649.637620][ T3132] udevd[3132]: worker [3624] /devices/virtual/block/nbd0 timeout; kill it [ 649.642915][ T3132] udevd[3132]: seq 6521 '/devices/virtual/block/nbd0' killed [ 651.109230][ T3657] veth0_vlan: entered promiscuous mode [ 651.212821][ T3657] veth1_vlan: entered promiscuous mode [ 651.509354][ T3657] veth0_macvtap: entered promiscuous mode [ 651.564473][ T3657] veth1_macvtap: entered promiscuous mode [ 651.931119][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 651.950540][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 651.954539][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 651.958645][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 679.378000][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 210 seconds [ 709.444538][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 240 seconds [ 739.511599][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 270 seconds [ 769.616583][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 300 seconds [ 799.672608][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 330 seconds 1970/01/01 00:13:27 executed programs: 2 [ 816.099404][ T3732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 816.141928][ T3732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 819.827520][ T3732] hsr_slave_0: entered promiscuous mode [ 819.833265][ T3732] hsr_slave_1: entered promiscuous mode [ 819.842756][ T3732] debugfs: 'hsr0' already exists in 'hsr' [ 819.843306][ T3732] Cannot create hsr debugfs directory [ 821.392799][ T3732] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 821.721781][ T3732] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 821.967121][ T3732] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 822.240338][ T3732] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 823.211463][ T3732] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 823.258464][ T3732] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 823.304875][ T3732] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 823.351466][ T3732] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 826.425015][ T3732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 829.769493][ T1372] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 360 seconds [ 836.591993][ T3732] veth0_vlan: entered promiscuous mode [ 836.694333][ T3732] veth1_vlan: entered promiscuous mode [ 836.984989][ T3732] veth0_macvtap: entered promiscuous mode [ 837.024701][ T3732] veth1_macvtap: entered promiscuous mode [ 837.304227][ T3777] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 837.332984][ T3777] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 837.334004][ T3777] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 837.334623][ T3777] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 859.839520][ T53] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 390 seconds [ 889.919666][ T1372] block nbd0: Possible stuck request 0000000096a0833a: control (read@0,4096B). Runtime 420 seconds [ 902.073315][ T32] INFO: task syz-executor.0:3622 blocked for more than 430 seconds. [ 902.078741][ T32] Not tainted syzkaller #0 [ 902.079228][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 902.079712][ T32] task:syz-executor.0 state:D stack:0 pid:3622 tgid:3619 ppid:3505 task_flags:0x400140 flags:0x00000019 [ 902.080856][ T32] Call trace: [ 902.081138][ T32] __switch_to+0x208/0x4ec (T) [ 902.087640][ T32] __schedule+0xd58/0x3180 [ 902.088313][ T32] schedule+0xd0/0x344 [ 902.088547][ T32] schedule_preempt_disabled+0x18/0x2c [ 902.088766][ T32] __mutex_lock+0x72c/0xffc [ 902.088978][ T32] mutex_lock_nested+0x24/0x30 [ 902.089194][ T32] bdev_release+0x104/0x510 [ 902.089424][ T32] blkdev_release+0x14/0x24 [ 902.089642][ T32] __fput+0x2c8/0x954 [ 902.089864][ T32] ____fput+0x14/0x20 [ 902.090085][ T32] task_work_run+0x128/0x210 [ 902.090302][ T32] get_signal+0x174/0x1bac [ 902.090545][ T32] do_signal+0x1f4/0x6a8 [ 902.090752][ T32] do_notify_resume+0x194/0x260 [ 902.090977][ T32] el0_svc+0x120/0x1a0 [ 902.092151][ T32] el0t_64_sync_handler+0xa0/0xe4 [ 902.092694][ T32] el0t_64_sync+0x198/0x19c [ 902.093514][ T32] [ 902.093514][ T32] Showing all locks held in the system: [ 902.093988][ T32] 1 lock held by khungtaskd/32: [ 902.094231][ T32] #0: ffff800087320220 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 [ 902.118796][ T32] 1 lock held by klogd/3121: [ 902.120502][ T32] 2 locks held by getty/3257: [ 902.122900][ T32] #0: ffff0000184160a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 902.129204][ T32] #1: ffff80008d5fb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e8/0xdc0 [ 902.134314][ T32] 1 lock held by syz-executor.0/3622: [ 902.136599][ T32] #0: ffff000014b9b358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 [ 902.141506][ T32] 1 lock held by udevd/3624: [ 902.142833][ T32] #0: ffff000014b9b358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 902.149140][ T32] 1 lock held by syz-executor.0/3729: [ 902.150464][ T32] #0: ffff000014b9b358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 902.157000][ T32] 1 lock held by syz-executor.0/3807: [ 902.158426][ T32] #0: ffff000014b9b358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 902.163344][ T32] [ 902.164451][ T32] ============================================= [ 902.164451][ T32] [ 902.167814][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 902.170684][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 902.171241][ T32] Hardware name: linux,dummy-virt (DT) [ 902.171647][ T32] Call trace: [ 902.172124][ T32] show_stack+0x18/0x24 (C) [ 902.172504][ T32] dump_stack_lvl+0x38/0xf4 [ 902.172957][ T32] dump_stack+0x1c/0x28 [ 902.173293][ T32] vpanic+0x550/0x5e0 [ 902.173596][ T32] nmi_panic+0x0/0x18c [ 902.173915][ T32] watchdog+0x4d8/0xd98 [ 902.174237][ T32] kthread+0x348/0x5fc [ 902.174559][ T32] ret_from_fork+0x10/0x20 [ 902.175498][ T32] SMP: stopping secondary CPUs [ 902.177552][ T32] Kernel Offset: disabled [ 902.177979][ T32] CPU features: 0x041000,02003400,20002000,0400421b [ 902.178434][ T32] Memory Limit: none [ 902.180386][ T32] Rebooting in 86400 seconds..