Warning: Permanently added '[localhost]:48226' (ED25519) to the list of known hosts. 1970/01/01 00:04:48 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:04:48 ignoring optional flag "type"="qemu" 1970/01/01 00:04:52 parsed 1 programs [ 293.128586][ T30] audit: type=1400 audit(292.590:90): avc: denied { mount } for pid=3471 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 [ 293.253066][ T30] audit: type=1400 audit(292.720:91): avc: denied { unlink } for pid=3471 comm="syz-executor" name="swap-file" dev="vda" ino=1742 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 293.818752][ T3471] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:04:53 executed programs: 0 [ 294.166837][ T30] audit: type=1400 audit(293.630:92): avc: denied { mount } for pid=3478 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 [ 299.169438][ T3478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 299.190042][ T3478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 301.604167][ T3478] hsr_slave_0: entered promiscuous mode [ 301.611573][ T3478] hsr_slave_1: entered promiscuous mode [ 304.666129][ T3478] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 304.712455][ T3478] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 304.752078][ T3478] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 304.805801][ T3478] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 306.473731][ T3478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 312.467341][ T3478] veth0_vlan: entered promiscuous mode [ 312.582677][ T3478] veth1_vlan: entered promiscuous mode [ 312.826993][ T3478] veth0_macvtap: entered promiscuous mode [ 312.890164][ T3478] veth1_macvtap: entered promiscuous mode [ 313.139814][ T3478] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.141790][ T3478] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.143453][ T3478] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.146131][ T3478] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 314.788296][ T3590] nbd0: detected capacity change from 0 to 131072 [ 316.572093][ T51] block nbd0: Receive control failed (result -104) [ 345.331695][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 30 seconds [ 375.400098][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 60 seconds [ 375.789784][ T3127] udevd[3127]: worker [3586] /devices/virtual/block/nbd0 is taking a long time [ 405.486638][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 90 seconds [ 435.576888][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 120 seconds [ 465.640694][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 150 seconds 1970/01/01 00:07:48 executed programs: 1 [ 474.793510][ T3621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 474.829160][ T3621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 476.829780][ T3621] hsr_slave_0: entered promiscuous mode [ 476.834664][ T3621] hsr_slave_1: entered promiscuous mode [ 476.856601][ T3621] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 476.860748][ T3621] Cannot create hsr debugfs directory [ 478.129840][ T3621] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 478.387409][ T3621] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 478.617607][ T3621] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 478.901588][ T3621] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 479.807341][ T3621] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 479.852428][ T3621] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 479.890168][ T3621] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 479.927726][ T3621] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 481.991318][ T3621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 488.482946][ T3621] veth0_vlan: entered promiscuous mode [ 488.518367][ T3621] veth1_vlan: entered promiscuous mode [ 488.662718][ T3621] veth0_macvtap: entered promiscuous mode [ 488.686452][ T3621] veth1_macvtap: entered promiscuous mode [ 488.870970][ T3621] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.872360][ T3621] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.872857][ T3621] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.873092][ T3621] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 495.435722][ T3127] udevd[3127]: worker [3586] /devices/virtual/block/nbd0 timeout; kill it [ 495.452715][ T3127] udevd[3127]: seq 6487 '/devices/virtual/block/nbd0' killed [ 495.729337][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 180 seconds [ 525.803042][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 210 seconds [ 555.879367][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 240 seconds [ 585.963615][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 270 seconds [ 616.047139][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 300 seconds 1970/01/01 00:10:43 executed programs: 2 [ 646.131791][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 330 seconds [ 651.803495][ T3695] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 651.831109][ T3695] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 653.978261][ T3695] hsr_slave_0: entered promiscuous mode [ 653.984234][ T3695] hsr_slave_1: entered promiscuous mode [ 653.993504][ T3695] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 653.997038][ T3695] Cannot create hsr debugfs directory [ 655.021322][ T3695] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 655.267362][ T3695] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 655.481893][ T3695] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 655.679220][ T3695] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 656.300066][ T3695] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 656.324505][ T3695] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 656.353528][ T3695] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 656.388963][ T3695] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 658.909635][ T3695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 665.207320][ T3695] veth0_vlan: entered promiscuous mode [ 665.278494][ T3695] veth1_vlan: entered promiscuous mode [ 665.522579][ T3695] veth0_macvtap: entered promiscuous mode [ 665.560934][ T3695] veth1_macvtap: entered promiscuous mode [ 665.812370][ T3695] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 665.812880][ T3695] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 665.814754][ T3695] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 665.815858][ T3695] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 676.203472][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 360 seconds [ 706.279782][ T41] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 390 seconds [ 736.361371][ T1316] block nbd0: Possible stuck request 0000000018910ffb: control (read@0,4096B). Runtime 420 seconds [ 764.519750][ T33] INFO: task syz-executor.0:3585 blocked for more than 430 seconds. [ 764.523381][ T33] Not tainted 6.15.0-rc5-syzkaller-g0d8d44db295c #0 [ 764.524409][ T33] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 764.529900][ T33] task:syz-executor.0 state:D stack:0 pid:3585 tgid:3584 ppid:3478 task_flags:0x400140 flags:0x0000000d [ 764.533818][ T33] Call trace: [ 764.536108][ T33] __switch_to+0x204/0x4bc (T) [ 764.539698][ T33] __schedule+0xd34/0x3188 [ 764.541289][ T33] schedule+0xd0/0x344 [ 764.542719][ T33] schedule_preempt_disabled+0x18/0x2c [ 764.544326][ T33] __mutex_lock+0x5d8/0x9d8 [ 764.546840][ T33] mutex_lock_nested+0x24/0x30 [ 764.548507][ T33] bdev_release+0x104/0x510 [ 764.550125][ T33] blkdev_release+0x14/0x24 [ 764.551835][ T33] __fput+0x2c8/0x954 [ 764.553423][ T33] ____fput+0x14/0x20 [ 764.556046][ T33] task_work_run+0x128/0x210 [ 764.558069][ T33] get_signal+0x174/0x1ba8 [ 764.559669][ T33] do_signal+0x1f4/0x620 [ 764.561243][ T33] do_notify_resume+0x18c/0x258 [ 764.562974][ T33] el0_svc+0x100/0x180 [ 764.565375][ T33] el0t_64_sync_handler+0x10c/0x138 [ 764.567096][ T33] el0t_64_sync+0x198/0x19c [ 764.569161][ T33] [ 764.569161][ T33] Showing all locks held in the system: [ 764.571360][ T33] 1 lock held by khungtaskd/33: [ 764.573024][ T33] #0: ffff8000872bda60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 [ 764.580729][ T33] 4 locks held by syslogd/3112: [ 764.582476][ T33] 2 locks held by getty/3248: [ 764.584163][ T33] #0: ffff0000185430a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 764.590704][ T33] #1: ffff80008d54b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0xdb4 [ 764.598425][ T33] 1 lock held by syz-executor.0/3585: [ 764.600073][ T33] #0: ffff000014c60358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 [ 764.606652][ T33] 1 lock held by udevd/3586: [ 764.608254][ T33] #0: ffff000014c60358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 764.613885][ T33] 1 lock held by syz-executor.0/3687: [ 764.617464][ T33] #0: ffff000014c60358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 764.619978][ T33] 1 lock held by syz-executor.0/3761: [ 764.620534][ T33] #0: ffff000014c60358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 [ 764.622821][ T33] [ 764.623212][ T33] ============================================= [ 764.623212][ T33] [ 764.624374][ T33] Kernel panic - not syncing: hung_task: blocked tasks [ 764.628312][ T33] CPU: 0 UID: 0 PID: 33 Comm: khungtaskd Not tainted 6.15.0-rc5-syzkaller-g0d8d44db295c #0 PREEMPT [ 764.629116][ T33] Hardware name: linux,dummy-virt (DT) [ 764.629575][ T33] Call trace: [ 764.630024][ T33] show_stack+0x18/0x24 (C) [ 764.630541][ T33] dump_stack_lvl+0x38/0xf4 [ 764.631095][ T33] dump_stack+0x1c/0x28 [ 764.631565][ T33] panic+0x5b0/0x664 [ 764.631940][ T33] watchdog+0x4d8/0xdf8 [ 764.632371][ T33] kthread+0x348/0x5fc [ 764.632739][ T33] ret_from_fork+0x10/0x20 [ 764.633825][ T33] SMP: stopping secondary CPUs [ 764.636835][ T33] Kernel Offset: disabled [ 764.637922][ T33] CPU features: 0x0410,00040068,01000400,0200421b [ 764.639210][ T33] Memory Limit: none [ 764.641608][ T33] Rebooting in 86400 seconds..