[ 324.142098][ T30] audit: type=1400 audit(323.440:78): avc: denied { read } for pid=3468 comm="cmp" name="resolv.conf" dev="tmpfs" ino=2 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 324.144243][ T30] audit: type=1400 audit(323.440:79): avc: denied { open } for pid=3468 comm="cmp" path="/tmp/resolv.conf" dev="tmpfs" ino=2 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 324.147927][ T30] audit: type=1400 audit(323.440:80): avc: denied { getattr } for pid=3468 comm="cmp" path="/tmp/resolv.conf" dev="tmpfs" ino=2 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 324.651304][ T30] audit: type=1400 audit(323.930:81): avc: denied { unlink } for pid=3471 comm="rm" name="resolv.conf.eth1.ipv4ll" dev="tmpfs" ino=965 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 326.178953][ T30] audit: type=1400 audit(325.470:82): avc: denied { create } for pid=3474 comm="dhcpcd-run-hook" name="resolv.conf.eth2.ipv4ll" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 326.196284][ T30] audit: type=1400 audit(325.490:83): avc: denied { write } for pid=3474 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf.eth2.ipv4ll" dev="tmpfs" ino=966 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 326.224345][ T30] audit: type=1400 audit(325.520:84): avc: denied { append } for pid=3474 comm="dhcpcd-run-hook" name="resolv.conf.eth2.ipv4ll" dev="tmpfs" ino=966 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 Warning: Permanently added '[localhost]:44589' (ED25519) to the list of known hosts. 1970/01/01 00:06:25 ignoring optional flag "type"="qemu" 1970/01/01 00:06:30 parsed 1 programs [ 391.923442][ T30] audit: type=1400 audit(391.220:85): avc: denied { unlink } for pid=3509 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" [ 392.592058][ T3509] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:06:32 executed programs: 0 [ 393.043146][ T30] audit: type=1400 audit(392.340:86): avc: denied { mounton } for pid=3514 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 399.606549][ T3514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 399.652653][ T3514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 403.259905][ T3514] hsr_slave_0: entered promiscuous mode [ 403.271890][ T3514] hsr_slave_1: entered promiscuous mode [ 407.443997][ T3514] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 407.487135][ T3514] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 407.527781][ T3514] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 407.569498][ T3514] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 411.653506][ T3514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 424.899695][ T3514] veth0_vlan: entered promiscuous mode [ 425.099047][ T3514] veth1_vlan: entered promiscuous mode [ 425.599156][ T3514] veth0_macvtap: entered promiscuous mode [ 425.743901][ T3514] veth1_macvtap: entered promiscuous mode [ 426.551590][ T1111] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 426.552711][ T1111] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 426.564638][ T1111] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 426.610751][ T1111] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 428.603488][ T3634] nbd0: detected capacity change from 0 to 262 [ 430.849751][ T49] block nbd0: Receive control failed (result -104) [ 459.434088][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 30 seconds [ 489.499761][ T24] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 60 seconds [ 489.955867][ T3143] udevd[3143]: worker [3636] /devices/virtual/block/nbd0 is taking a long time 1970/01/01 00:08:26 executed programs: 1 [ 516.209756][ T3665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 516.248326][ T3665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 519.511949][ T3665] hsr_slave_0: entered promiscuous mode [ 519.518090][ T3665] hsr_slave_1: entered promiscuous mode [ 519.528003][ T3665] debugfs: 'hsr0' already exists in 'hsr' [ 519.531865][ T3665] Cannot create hsr debugfs directory [ 519.593471][ T24] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 90 seconds [ 520.878876][ T3665] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 521.138107][ T3665] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 521.380195][ T3665] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 521.676865][ T3665] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 522.616019][ T3665] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 522.684969][ T3665] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 522.725522][ T3665] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 522.766724][ T3665] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 525.565812][ T3665] 8021q: adding VLAN 0 to HW filter on device bond0 [ 536.028587][ T3665] veth0_vlan: entered promiscuous mode [ 536.178803][ T3665] veth1_vlan: entered promiscuous mode [ 536.529183][ T3665] veth0_macvtap: entered promiscuous mode [ 536.577660][ T3665] veth1_macvtap: entered promiscuous mode [ 536.939094][ T1009] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 536.944426][ T1009] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 536.952450][ T1009] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 536.956025][ T1009] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 549.693205][ T24] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 120 seconds [ 579.739732][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 150 seconds [ 609.824757][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 180 seconds [ 611.494122][ T3143] udevd[3143]: worker [3636] /devices/virtual/block/nbd0 timeout; kill it [ 611.511045][ T3143] udevd[3143]: seq 6560 '/devices/virtual/block/nbd0' killed 1970/01/01 00:10:17 executed programs: 2 [ 628.843605][ T3742] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 628.894980][ T3742] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 633.979871][ T3742] hsr_slave_0: entered promiscuous mode [ 634.005058][ T3742] hsr_slave_1: entered promiscuous mode [ 634.016376][ T3742] debugfs: 'hsr0' already exists in 'hsr' [ 634.017027][ T3742] Cannot create hsr debugfs directory [ 636.267156][ T3742] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 636.643700][ T3742] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 636.957648][ T3742] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 637.287409][ T3742] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 638.263475][ T3742] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 638.317128][ T3742] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 638.372828][ T3742] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 638.439104][ T3742] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 639.912712][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 210 seconds [ 641.967602][ T3742] 8021q: adding VLAN 0 to HW filter on device bond0 [ 656.393433][ T3742] veth0_vlan: entered promiscuous mode [ 656.552693][ T3742] veth1_vlan: entered promiscuous mode [ 657.042655][ T3742] veth0_macvtap: entered promiscuous mode [ 657.113363][ T3742] veth1_macvtap: entered promiscuous mode [ 657.771590][ T1114] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 657.772537][ T1114] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 657.772828][ T1114] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 657.773102][ T1114] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 669.976170][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 240 seconds [ 700.064393][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 270 seconds [ 730.134853][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 300 seconds 1970/01/01 00:12:18 executed programs: 3 [ 747.134616][ T3824] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 747.182907][ T3824] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 750.214950][ T3824] hsr_slave_0: entered promiscuous mode [ 750.227963][ T3824] hsr_slave_1: entered promiscuous mode [ 750.237200][ T3824] debugfs: 'hsr0' already exists in 'hsr' [ 750.238052][ T3824] Cannot create hsr debugfs directory [ 751.612421][ T3824] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 751.854911][ T3824] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 752.095874][ T3824] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 752.338460][ T3824] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 753.222841][ T3824] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 753.246333][ T3824] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 753.264414][ T3824] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 753.278744][ T3824] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 756.229530][ T3824] 8021q: adding VLAN 0 to HW filter on device bond0 [ 760.219632][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 330 seconds [ 766.653891][ T3824] veth0_vlan: entered promiscuous mode [ 766.765412][ T3824] veth1_vlan: entered promiscuous mode [ 767.144499][ T3824] veth0_macvtap: entered promiscuous mode [ 767.193576][ T3824] veth1_macvtap: entered promiscuous mode [ 767.489337][ T63] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 767.496025][ T63] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 767.496359][ T63] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 767.496659][ T63] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 790.308373][ T24] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 360 seconds [ 820.392155][ T11] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 390 seconds 1970/01/01 00:14:07 executed programs: 4 [ 850.474080][ T24] block nbd0: Possible stuck request 000000000c48db60: control (read@0,4096B). Runtime 420 seconds [ 857.246873][ T3899] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 857.290936][ T3899] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 861.143756][ T3899] hsr_slave_0: entered promiscuous mode [ 861.155733][ T3899] hsr_slave_1: entered promiscuous mode [ 861.164450][ T3899] debugfs: 'hsr0' already exists in 'hsr' [ 861.166591][ T3899] Cannot create hsr debugfs directory [ 862.815648][ T3899] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 863.083809][ T3899] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 863.306077][ T3899] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 863.529743][ T3899] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 864.454152][ T3899] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 864.503155][ T3899] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 864.561769][ T3899] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 864.599470][ T3899] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 867.522933][ T3899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 874.776076][ T32] INFO: task syz-executor.0:3634 blocked for more than 430 seconds. [ 874.777263][ T32] Not tainted syzkaller #0 [ 874.777682][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 874.778107][ T32] task:syz-executor.0 state:D stack:0 pid:3634 tgid:3631 ppid:3514 task_flags:0x400140 flags:0x00000011 [ 874.779071][ T32] Call trace: [ 874.779379][ T32] __switch_to+0x200/0x500 (T) [ 874.795485][ T32] __schedule+0xcc4/0x3294 [ 874.796019][ T32] schedule+0xcc/0x348 [ 874.796221][ T32] schedule_preempt_disabled+0x18/0x38 [ 874.796405][ T32] __mutex_lock+0x7d8/0x1590 [ 874.796513][ T32] mutex_lock_nested+0x24/0x30 [ 874.796612][ T32] bdev_release+0x104/0x510 [ 874.796722][ T32] blkdev_release+0x14/0x24 [ 874.796819][ T32] __fput+0x2d0/0x958 [ 874.796921][ T32] ____fput+0x14/0x20 [ 874.797015][ T32] task_work_run+0x134/0x238 [ 874.797124][ T32] exit_to_user_mode_loop+0x194/0x1c8 [ 874.797228][ T32] el0_svc+0x258/0x29c [ 874.797331][ T32] el0t_64_sync_handler+0xa0/0xe4 [ 874.797439][ T32] el0t_64_sync+0x198/0x19c [ 874.798992][ T32] [ 874.798992][ T32] Showing all locks held in the system: [ 874.799299][ T32] 2 locks held by pr/ttyAMA-1/31: [ 874.799576][ T32] 1 lock held by khungtaskd/32: [ 874.799724][ T32] #0: ffff800087762ce0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x30/0x198 [ 874.826506][ T32] 2 locks held by kworker/u8:5/1009: [ 874.826760][ T32] #0: ffff00000e04c948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_one_work+0x738/0x1b80 [ 874.827404][ T32] #1: ffff80008eda7c70 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x75c/0x1b80 [ 874.828026][ T32] 1 lock held by klogd/3132: [ 874.828112][ T32] 2 locks held by getty/3268: [ 874.828195][ T32] #0: ffff00001702b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 874.828684][ T32] #1: ffff80008db4b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x420/0xee0 [ 874.829045][ T32] 1 lock held by syz-executor.0/3634: [ 874.829107][ T32] #0: ffff000014b77358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 [ 874.829544][ T32] 1 lock held by udevd/3636: [ 874.829629][ T32] #0: ffff000014b77358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 874.842834][ T32] 1 lock held by syz-executor.0/3738: [ 874.843005][ T32] #0: ffff000014b77358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 874.843495][ T32] 1 lock held by syz-executor.0/3815: [ 874.843638][ T32] #0: ffff000014b77358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 874.844084][ T32] 1 lock held by syz-executor.0/3896: [ 874.844154][ T32] #0: ffff000014b77358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 874.844497][ T32] 2 locks held by modprobe/3962: [ 874.844745][ T32] [ 874.844879][ T32] ============================================= [ 874.844879][ T32] [ 874.846090][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 874.852428][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 874.852926][ T32] Hardware name: linux,dummy-virt (DT) [ 874.853292][ T32] Call trace: [ 874.853708][ T32] show_stack+0x18/0x24 (C) [ 874.854064][ T32] dump_stack_lvl+0x7c/0xb0 [ 874.854365][ T32] dump_stack+0x1c/0x28 [ 874.854667][ T32] vpanic+0x464/0x764 [ 874.854943][ T32] do_panic_on_target_cpu+0x0/0x40 [ 874.855293][ T32] watchdog+0x58c/0xe94 [ 874.855637][ T32] kthread+0x2f0/0x388 [ 874.855915][ T32] ret_from_fork+0x10/0x20 [ 874.856776][ T32] SMP: stopping secondary CPUs [ 874.858355][ T32] Kernel Offset: disabled [ 874.858648][ T32] CPU features: 0x1040000,40068004,00020000,0400421b [ 874.859019][ T32] Memory Limit: none [ 874.861046][ T32] Rebooting in 86400 seconds..