Warning: Permanently added '[localhost]:41148' (ED25519) to the list of known hosts. 1970/01/01 00:07:00 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:07:00 ignoring optional flag "type"="qemu" 1970/01/01 00:07:06 parsed 1 programs [ 427.800867][ T30] audit: type=1400 audit(427.180:78): avc: denied { mount } for pid=3486 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 [ 427.920358][ T30] audit: type=1400 audit(427.300:79): avc: denied { unlink } for pid=3486 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" [ 428.717005][ T3486] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:07:08 executed programs: 0 [ 429.156712][ T30] audit: type=1400 audit(428.540:80): avc: denied { mount } for pid=3492 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 [ 436.278128][ T3492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 436.327805][ T3492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 440.074037][ T3492] hsr_slave_0: entered promiscuous mode [ 440.080574][ T3492] hsr_slave_1: entered promiscuous mode [ 444.158102][ T3492] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 444.222400][ T3492] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 444.257663][ T3492] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 444.328580][ T3492] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 447.874099][ T3492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 461.093684][ T3492] veth0_vlan: entered promiscuous mode [ 461.334507][ T3492] veth1_vlan: entered promiscuous mode [ 461.726067][ T3492] veth0_macvtap: entered promiscuous mode [ 461.783644][ T3492] veth1_macvtap: entered promiscuous mode [ 462.148681][ T3492] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 462.149606][ T3492] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 462.151572][ T3492] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 462.152054][ T3492] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 464.184945][ T3610] nbd0: detected capacity change from 0 to 262 [ 466.262122][ T891] block nbd0: Receive control failed (result -104) [ 495.175238][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 30 seconds [ 525.243726][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 60 seconds [ 525.880697][ T3116] udevd[3116]: worker [3612] /devices/virtual/block/nbd0 is taking a long time 1970/01/01 00:09:02 executed programs: 1 [ 553.137417][ T3639] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 553.209002][ T3639] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 555.326345][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 90 seconds [ 557.137239][ T3639] hsr_slave_0: entered promiscuous mode [ 557.148332][ T3639] hsr_slave_1: entered promiscuous mode [ 557.162915][ T3639] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 557.165119][ T3639] Cannot create hsr debugfs directory [ 558.819040][ T3639] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 559.145010][ T3639] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 559.516326][ T3639] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 559.949331][ T3639] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 561.084949][ T3639] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 561.167473][ T3639] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 561.224785][ T3639] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 561.297183][ T3639] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 564.312180][ T3639] 8021q: adding VLAN 0 to HW filter on device bond0 [ 575.135320][ T3639] veth0_vlan: entered promiscuous mode [ 575.247361][ T3639] veth1_vlan: entered promiscuous mode [ 575.557191][ T3639] veth0_macvtap: entered promiscuous mode [ 575.615317][ T3639] veth1_macvtap: entered promiscuous mode [ 575.926589][ T3639] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.933070][ T3639] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.942277][ T3639] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.942925][ T3639] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 585.417355][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 120 seconds [ 615.486106][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 150 seconds [ 645.588748][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 180 seconds [ 647.289534][ T3116] udevd[3116]: worker [3612] /devices/virtual/block/nbd0 timeout; kill it [ 647.296899][ T3116] udevd[3116]: seq 6478 '/devices/virtual/block/nbd0' killed 1970/01/01 00:10:56 executed programs: 2 [ 666.171507][ T3721] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 666.216263][ T3721] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 670.314675][ T3721] hsr_slave_0: entered promiscuous mode [ 670.325598][ T3721] hsr_slave_1: entered promiscuous mode [ 670.336256][ T3721] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 670.341855][ T3721] Cannot create hsr debugfs directory [ 671.984645][ T3721] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 672.296413][ T3721] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 672.604201][ T3721] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 672.894585][ T3721] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 673.979134][ T3721] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 674.022504][ T3721] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 674.068739][ T3721] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 674.112920][ T3721] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 675.674312][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 210 seconds [ 677.184745][ T3721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 688.796735][ T3721] veth0_vlan: entered promiscuous mode [ 688.876317][ T3721] veth1_vlan: entered promiscuous mode [ 689.196424][ T3721] veth0_macvtap: entered promiscuous mode [ 689.246891][ T3721] veth1_macvtap: entered promiscuous mode [ 689.554119][ T3721] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 689.556451][ T3721] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 689.559107][ T3721] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 689.567037][ T3721] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 705.735661][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 240 seconds [ 735.824166][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 270 seconds [ 765.892146][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 300 seconds 1970/01/01 00:12:49 executed programs: 3 [ 779.562078][ T3798] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 779.586411][ T3798] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 782.912627][ T3798] hsr_slave_0: entered promiscuous mode [ 782.918195][ T3798] hsr_slave_1: entered promiscuous mode [ 782.924190][ T3798] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 782.924697][ T3798] Cannot create hsr debugfs directory [ 784.284552][ T3798] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 784.584932][ T3798] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 784.885665][ T3798] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 785.172051][ T3798] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 785.979027][ T3798] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 786.021459][ T3798] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 786.055105][ T3798] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 786.101429][ T3798] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 789.169202][ T3798] 8021q: adding VLAN 0 to HW filter on device bond0 [ 795.973362][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 330 seconds [ 801.172074][ T3798] veth0_vlan: entered promiscuous mode [ 801.296721][ T3798] veth1_vlan: entered promiscuous mode [ 801.565134][ T3798] veth0_macvtap: entered promiscuous mode [ 801.598168][ T3798] veth1_macvtap: entered promiscuous mode [ 801.973158][ T3798] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 801.978090][ T3798] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 801.983703][ T3798] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 801.985950][ T3798] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 826.052200][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 360 seconds [ 856.124699][ T85] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 390 seconds 1970/01/01 00:14:42 executed programs: 4 [ 886.213269][ T24] block nbd0: Possible stuck request 000000006c012be6: control (read@0,4096B). Runtime 420 seconds [ 892.425801][ T3874] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 892.477655][ T3874] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 895.909125][ T3874] hsr_slave_0: entered promiscuous mode [ 895.917416][ T3874] hsr_slave_1: entered promiscuous mode [ 895.927768][ T3874] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 895.928641][ T3874] Cannot create hsr debugfs directory [ 897.308506][ T3874] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 897.585163][ T3874] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 897.847526][ T3874] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 898.162007][ T3874] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 899.006795][ T33] INFO: task syz-executor.0:3610 blocked for more than 430 seconds. [ 899.045380][ T33] Not tainted 6.16.0-rc3-syzkaller-g7595b66ae9de #0 [ 899.054671][ T33] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 899.057547][ T33] task:syz-executor.0 state:D stack:0 pid:3610 tgid:3608 ppid:3492 task_flags:0x400140 flags:0x00000019 [ 899.065968][ T33] Call trace: [ 899.068552][ T33] __switch_to+0x208/0x4f4 (T) [ 899.077260][ T33] __schedule+0xd34/0x3184 [ 899.079414][ T33] schedule+0xd0/0x344 [ 899.081839][ T33] schedule_preempt_disabled+0x18/0x2c [ 899.083710][ T33] __mutex_lock+0x5d8/0x9d8 [ 899.085284][ T33] mutex_lock_nested+0x24/0x30 [ 899.087186][ T33] bdev_release+0x104/0x510 [ 899.091996][ T33] blkdev_release+0x14/0x24 [ 899.093903][ T33] __fput+0x2c8/0x954 [ 899.098759][ T33] ____fput+0x14/0x20 [ 899.101838][ T33] task_work_run+0x128/0x210 [ 899.104139][ T33] do_notify_resume+0x1dc/0x264 [ 899.106308][ T33] el0_svc+0x118/0x198 [ 899.107998][ T33] el0t_64_sync_handler+0x10c/0x138 [ 899.109642][ T33] el0t_64_sync+0x198/0x19c [ 899.113167][ T33] [ 899.113167][ T33] Showing all locks held in the system: [ 899.115306][ T33] 1 lock held by khungtaskd/33: [ 899.117390][ T33] #0: ffff8000872c0660 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 [ 899.124801][ T33] 2 locks held by udevd/3116: [ 899.126539][ T33] 2 locks held by getty/3241: [ 899.128081][ T33] #0: ffff0000179990a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 899.136217][ T33] #1: ffff80008d58b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e8/0xdc0 [ 899.142836][ T33] 1 lock held by syz-executor.0/3610: [ 899.144629][ T33] #0: ffff000014baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 [ 899.151625][ T33] 1 lock held by udevd/3612: [ 899.153331][ T33] #0: ffff000014baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 899.159115][ T33] 1 lock held by syz-executor.0/3717: [ 899.167574][ T33] #0: ffff000014baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 899.171735][ T33] 1 lock held by syz-executor.0/3795: [ 899.172126][ T33] #0: ffff000014baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 899.181864][ T33] 1 lock held by syz-executor.0/3870: [ 899.183640][ T33] #0: ffff000014baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 899.191149][ T33] [ 899.192551][ T33] ============================================= [ 899.192551][ T33] [ 899.195236][ T33] Kernel panic - not syncing: hung_task: blocked tasks [ 899.196711][ T33] CPU: 0 UID: 0 PID: 33 Comm: khungtaskd Not tainted 6.16.0-rc3-syzkaller-g7595b66ae9de #0 PREEMPT [ 899.197350][ T33] Hardware name: linux,dummy-virt (DT) [ 899.197827][ T33] Call trace: [ 899.198267][ T33] show_stack+0x18/0x24 (C) [ 899.198669][ T33] dump_stack_lvl+0x38/0xf4 [ 899.199074][ T33] dump_stack+0x1c/0x28 [ 899.199410][ T33] panic+0x5b0/0x664 [ 899.200207][ T33] watchdog+0x4d8/0xdf8 [ 899.200689][ T33] kthread+0x348/0x5fc [ 899.201142][ T33] ret_from_fork+0x10/0x20 [ 899.202231][ T33] SMP: stopping secondary CPUs [ 899.205119][ T33] Kernel Offset: disabled [ 899.205709][ T33] CPU features: 0x1040,000800d0,02000800,0400421b [ 899.206338][ T33] Memory Limit: none [ 899.208070][ T33] Rebooting in 86400 seconds..