[ 76.542629][ T46] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts.
2025/02/02 22:51:56 parsed 1 programs
[ 78.640272][ T29] audit: type=1400 audit(1738536715.998:110): avc: denied { getattr } for pid=6111 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 78.664529][ T29] audit: type=1400 audit(1738536715.998:111): avc: denied { read } for pid=6111 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 78.686799][ T29] audit: type=1400 audit(1738536715.998:112): avc: denied { open } for pid=6111 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
2025/02/02 22:51:56 executed programs: 0
[ 78.838843][ T29] audit: type=1400 audit(1738536716.198:113): avc: denied { mounton } for pid=6120 comm="syz-executor.0" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1
[ 78.840201][ T6120] cgroup: Unknown subsys name 'cpuset'
[ 78.923260][ T6120] chnl_net:caif_netlink_parms(): no params data found
[ 78.959774][ T6120] bridge0: port 1(bridge_slave_0) entered blocking state
[ 78.967040][ T6120] bridge0: port 1(bridge_slave_0) entered disabled state
[ 78.974200][ T6120] bridge_slave_0: entered allmulticast mode
[ 78.980864][ T6120] bridge_slave_0: entered promiscuous mode
[ 78.987877][ T6120] bridge0: port 2(bridge_slave_1) entered blocking state
[ 78.995074][ T6120] bridge0: port 2(bridge_slave_1) entered disabled state
[ 79.002173][ T6120] bridge_slave_1: entered allmulticast mode
[ 79.009025][ T6120] bridge_slave_1: entered promiscuous mode
[ 79.026592][ T6120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 79.037642][ T6120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 79.058799][ T6120] team0: Port device team_slave_0 added
[ 79.065763][ T6120] team0: Port device team_slave_1 added
[ 79.082162][ T6120] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 79.089181][ T6120] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 79.116455][ T6120] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 79.128545][ T6120] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 79.135650][ T6120] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 79.161722][ T6120] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 79.185615][ T6120] hsr_slave_0: entered promiscuous mode
[ 79.191699][ T6120] hsr_slave_1: entered promiscuous mode
[ 79.243729][ T6120] bridge0: port 2(bridge_slave_1) entered blocking state
[ 79.250827][ T6120] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 79.258343][ T6120] bridge0: port 1(bridge_slave_0) entered blocking state
[ 79.265445][ T6120] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 79.297395][ T6120] 8021q: adding VLAN 0 to HW filter on device bond0
[ 79.311521][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 79.321338][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 79.335953][ T6120] 8021q: adding VLAN 0 to HW filter on device team0
[ 79.347532][ T3534] bridge0: port 1(bridge_slave_0) entered blocking state
[ 79.354835][ T3534] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 79.366439][ T3739] bridge0: port 2(bridge_slave_1) entered blocking state
[ 79.373551][ T3739] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 79.415273][ T6120] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 79.612978][ T6120] veth0_vlan: entered promiscuous mode
[ 79.621366][ T6120] veth1_vlan: entered promiscuous mode
[ 79.643597][ T6120] veth0_macvtap: entered promiscuous mode
[ 79.651174][ T6120] veth1_macvtap: entered promiscuous mode
[ 79.665750][ T6120] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 79.678410][ T6120] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 79.842561][ T6140] nbd0: detected capacity change from 0 to 2176
[ 80.525860][ T5137] block nbd0: Receive control failed (result -104)
[ 80.526185][ T6139] block nbd0: shutting down sockets
[ 80.539751][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.549042][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.557049][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.566459][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.574481][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.583590][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.591531][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.600645][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.608642][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.617905][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.625872][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.635230][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.643860][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.652946][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.660757][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.669846][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.677646][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 80.684562][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.694045][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.701979][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 80.711118][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 80.719179][ T6075] Dev nbd0: unable to read RDB block 0
[ 80.726066][ T6075] nbd0: unable to read partition table
[ 80.735063][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 80.741977][ T6075] Dev nbd0: unable to read RDB block 0
[ 80.759996][ T6075] nbd0: unable to read partition table
[ 80.892731][ T6144] nbd0: detected capacity change from 0 to 2176
[ 81.560578][ T5137] block nbd0: Receive control failed (result -104)
[ 81.562506][ T6143] block nbd0: shutting down sockets
[ 81.574290][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 81.581201][ T6075] Dev nbd0: unable to read RDB block 0
[ 81.587471][ T6075] nbd0: unable to read partition table
[ 81.595565][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 81.610115][ T6075] Dev nbd0: unable to read RDB block 0
[ 81.616503][ T6075] nbd0: unable to read partition table
[ 81.624935][ T6146] ldm_validate_partition_table(): Disk read failed.
[ 81.631733][ T6146] Dev nbd0: unable to read RDB block 0
[ 81.637982][ T6146] nbd0: unable to read partition table
[ 81.682511][ T6146] block nbd0: Device being setup by another task
[ 81.724137][ T6146] ldm_validate_partition_table(): Disk read failed.
[ 81.730951][ T6146] Dev nbd0: unable to read RDB block 0
[ 81.737263][ T6146] nbd0: unable to read partition table
[ 81.745364][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 81.752143][ T6075] Dev nbd0: unable to read RDB block 0
[ 81.758066][ T6075] nbd0: unable to read partition table
[ 81.766276][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 81.773532][ T6075] Dev nbd0: unable to read RDB block 0
[ 81.783443][ T6075] nbd0: unable to read partition table
[ 81.953002][ T6149] nbd0: detected capacity change from 0 to 2176
[ 82.593485][ T5137] block nbd0: Receive control failed (result -104)
[ 82.593809][ T6148] block nbd0: shutting down sockets
[ 82.606471][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 82.614528][ T6075] Dev nbd0: unable to read RDB block 0
[ 82.620291][ T6075] nbd0: unable to read partition table
[ 82.628298][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 82.642876][ T6075] Dev nbd0: unable to read RDB block 0
[ 82.648600][ T6075] nbd0: unable to read partition table
[ 82.658143][ T6152] ldm_validate_partition_table(): Disk read failed.
[ 82.670241][ T6152] Dev nbd0: unable to read RDB block 0
[ 82.676456][ T6152] nbd0: unable to read partition table
[ 82.732547][ T6152] block nbd0: Device being setup by another task
[ 82.784621][ T6152] ldm_validate_partition_table(): Disk read failed.
[ 82.791428][ T6152] Dev nbd0: unable to read RDB block 0
[ 82.797902][ T6152] nbd0: unable to read partition table
[ 82.804455][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 82.811275][ T6075] Dev nbd0: unable to read RDB block 0
[ 82.817243][ T6075] nbd0: unable to read partition table
[ 82.825128][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 82.832036][ T6075] Dev nbd0: unable to read RDB block 0
[ 82.838253][ T6075] nbd0: unable to read partition table
[ 83.022601][ T6155] nbd0: detected capacity change from 0 to 2176
[ 83.658710][ T5137] block nbd0: Receive control failed (result -104)
[ 83.659172][ T6156] block nbd0: shutting down sockets
[ 83.693809][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 83.700676][ T6075] Dev nbd0: unable to read RDB block 0
[ 83.706617][ T6075] nbd0: unable to read partition table
[ 83.715750][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 83.729651][ T6075] Dev nbd0: unable to read RDB block 0
[ 83.735952][ T6075] nbd0: unable to read partition table
[ 83.892651][ T6159] nbd0: detected capacity change from 0 to 2176
2025/02/02 22:52:01 executed programs: 7
[ 84.547220][ T5137] block nbd0: Receive control failed (result -104)
[ 84.547696][ T6160] block nbd0: shutting down sockets
[ 84.559825][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 84.567355][ T6075] Dev nbd0: unable to read RDB block 0
[ 84.573232][ T6075] nbd0: unable to read partition table
[ 84.581122][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 84.596581][ T6075] Dev nbd0: unable to read RDB block 0
[ 84.602873][ T6075] nbd0: unable to read partition table
[ 84.610812][ T6163] ldm_validate_partition_table(): Disk read failed.
[ 84.618816][ T6163] Dev nbd0: unable to read RDB block 0
[ 84.625545][ T6163] nbd0: unable to read partition table
[ 84.652533][ T6163] block nbd0: Device being setup by another task
[ 84.695203][ T6163] ldm_validate_partition_table(): Disk read failed.
[ 84.702010][ T6163] Dev nbd0: unable to read RDB block 0
[ 84.708228][ T6163] nbd0: unable to read partition table
[ 84.714704][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 84.721499][ T6075] Dev nbd0: unable to read RDB block 0
[ 84.727491][ T6075] nbd0: unable to read partition table
[ 84.735224][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 84.742804][ T6075] Dev nbd0: unable to read RDB block 0
[ 84.748664][ T6075] nbd0: unable to read partition table
[ 84.912608][ T6165] nbd0: detected capacity change from 0 to 2176
[ 85.567922][ T5137] block nbd0: Receive control failed (result -104)
[ 85.569388][ T6166] block nbd0: shutting down sockets
[ 85.580492][ C1] blk_print_req_error: 382 callbacks suppressed
[ 85.580503][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.595832][ C1] buffer_io_error: 382 callbacks suppressed
[ 85.595841][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.609792][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.618967][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.627525][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.637088][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.644981][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.654448][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.662274][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.671450][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.679334][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.688505][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.696400][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.705502][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.713407][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.722595][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.730370][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 85.737093][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.746183][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.754082][ T6075] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 85.763146][ T6075] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 85.771085][ T6075] Dev nbd0: unable to read RDB block 0
[ 85.777022][ T6075] nbd0: unable to read partition table
[ 85.785518][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 85.792583][ T6075] Dev nbd0: unable to read RDB block 0
[ 85.802701][ T6075] nbd0: unable to read partition table
[ 85.811523][ T6169] ldm_validate_partition_table(): Disk read failed.
[ 85.818987][ T6169] Dev nbd0: unable to read RDB block 0
[ 85.825064][ T6169] nbd0: unable to read partition table
[ 85.852589][ T6169] block nbd0: Device being setup by another task
[ 85.894219][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 85.901216][ T6075] Dev nbd0: unable to read RDB block 0
[ 85.907557][ T6075] nbd0: unable to read partition table
[ 85.914903][ T6169] ldm_validate_partition_table(): Disk read failed.
[ 85.921712][ T6169] Dev nbd0: unable to read RDB block 0
[ 85.928388][ T6169] nbd0: unable to read partition table
[ 85.935031][ T6075] ldm_validate_partition_table(): Disk read failed.
[ 85.941876][ T6075] Dev nbd0: unable to read RDB block 0
[ 85.947887][ T6075] nbd0: unable to read partition table
[ 86.082763][ T6172] nbd0: detected capacity change from 0 to 2176
[ 86.775740][ T5137] block nbd0: Receive control failed (result -104)
[ 116.213783][ T44] block nbd0: Possible stuck request ffff88802664b0c0: control (read@0,4096B). Runtime 30 seconds
[ 146.293133][ T44] block nbd0: Possible stuck request ffff88802664b0c0: control (read@0,4096B). Runtime 60 seconds
[ 147.600630][ T5198] udevd[5198]: worker [6075] /devices/virtual/block/nbd0 is taking a long time
[ 176.383422][ T58] block nbd0: Possible stuck request ffff88802664b0c0: control (read@0,4096B). Runtime 90 seconds
[ 206.452577][ T44] block nbd0: Possible stuck request ffff88802664b0c0: control (read@0,4096B). Runtime 120 seconds
[ 236.532493][ T44] block nbd0: Possible stuck request ffff88802664b0c0: control (read@0,4096B). Runtime 150 seconds
[ 266.612517][ T44] block nbd0: Possible stuck request ffff88802664b0c0: control (read@0,4096B). Runtime 180 seconds
[ 267.799817][ T5198] udevd[5198]: worker [6075] /devices/virtual/block/nbd0 timeout; kill it
[ 267.808601][ T5198] udevd[5198]: seq 9527 '/devices/virtual/block/nbd0' killed
[ 286.452778][ T30] INFO: task syz-executor.0:6171 blocked for more than 143 seconds.
[ 286.461212][ T30] Not tainted 6.13.0-syzkaller-10033-gd79bc8f79baa #0
[ 286.468589][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.477355][ T30] task:syz-executor.0 state:D stack:28416 pid:6171 tgid:6170 ppid:6120 task_flags:0x400140 flags:0x00004006
[ 286.489410][ T30] Call Trace:
[ 286.492720][ T30]
[ 286.495661][ T30] __schedule+0xf43/0x5890
[ 286.500108][ T30] ? __pfx___lock_acquire+0x10/0x10
[ 286.505376][ T30] ? __pfx___lock_acquire+0x10/0x10
[ 286.510684][ T30] ? __pfx___schedule+0x10/0x10
[ 286.515683][ T30] ? schedule+0x298/0x350
[ 286.520414][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.525565][ T30] ? __mutex_trylock_common+0x78/0x250
[ 286.531051][ T30] ? lock_acquire+0x2f/0xb0
[ 286.535594][ T30] ? schedule+0x1fd/0x350
[ 286.539936][ T30] schedule+0xe7/0x350
[ 286.544047][ T30] schedule_preempt_disabled+0x13/0x30
[ 286.549510][ T30] __mutex_lock+0x6bd/0xb10
[ 286.554039][ T30] ? lock_acquire.part.0+0x11b/0x380
[ 286.559341][ T30] ? bdev_release+0x15a/0x6d0
[ 286.564060][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 286.569100][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.574185][ T30] ? locks_remove_file+0x34c/0x5a0
[ 286.579331][ T30] ? do_raw_spin_unlock+0x172/0x230
[ 286.584587][ T30] ? bdev_release+0x15a/0x6d0
[ 286.589268][ T30] bdev_release+0x15a/0x6d0
[ 286.593819][ T30] ? task_work_run+0x126/0x250
[ 286.598590][ T30] ? __pfx_blkdev_release+0x10/0x10
[ 286.603836][ T30] blkdev_release+0x15/0x20
[ 286.608369][ T30] __fput+0x3ff/0xb70
[ 286.612394][ T30] task_work_run+0x14e/0x250
[ 286.616999][ T30] ? __pfx_task_work_run+0x10/0x10
[ 286.622097][ T30] get_signal+0x1d3/0x26c0
[ 286.626560][ T30] ? __pfx_get_signal+0x10/0x10
[ 286.631423][ T30] arch_do_signal_or_restart+0x90/0x7e0
[ 286.637187][ T30] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 286.643383][ T30] syscall_exit_to_user_mode+0x150/0x2a0
[ 286.649006][ T30] do_syscall_64+0xda/0x250
[ 286.653529][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.659480][ T30] RIP: 0033:0x4546c9
[ 286.663409][ T30] RSP: 002b:00007ff2d1af40f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 286.671826][ T30] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 00000000004546c9
[ 286.679828][ T30] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 286.687841][ T30] RBP: 0000000000000409 R08: 0000000000000000 R09: 0000000000000000
[ 286.696092][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004e3e00
[ 286.704166][ T30] R13: 00007ff2d1af4674 R14: 000000000054bf00 R15: 00000000004f4040
[ 286.712150][ T30]
[ 286.715488][ T30]
[ 286.715488][ T30] Showing all locks held in the system:
[ 286.723334][ T30] 1 lock held by khungtaskd/30:
[ 286.728191][ T30] #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390
[ 286.738249][ T30] 3 locks held by kworker/u8:11/3739:
[ 286.743700][ T30] #0: ffff8880b873ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130
[ 286.753690][ T30] #1: ffff8880b8728a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x203/0x8e0
[ 286.765157][ T30] #2: ffff8880b872a518 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x12f/0x1e0
[ 286.778132][ T30] 2 locks held by getty/5585:
[ 286.782868][ T30] #0: ffff888032acc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 286.792784][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480
[ 286.803027][ T30] 1 lock held by udevd/6075:
[ 286.807623][ T30] #0: ffff88802641b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20
[ 286.816993][ T30] 1 lock held by syz-executor.0/6171:
[ 286.822479][ T30] #0: ffff88802641b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0
[ 286.832056][ T30]
[ 286.834435][ T30] =============================================
[ 286.834435][ T30]
[ 286.842910][ T30] NMI backtrace for cpu 0
[ 286.842920][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-10033-gd79bc8f79baa #0
[ 286.842932][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.842939][ T30] Call Trace:
[ 286.842943][ T30]
[ 286.842947][ T30] dump_stack_lvl+0x116/0x1f0
[ 286.842963][ T30] nmi_cpu_backtrace+0x27b/0x390
[ 286.842979][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 286.842994][ T30] nmi_trigger_cpumask_backtrace+0x29c/0x300
[ 286.843009][ T30] watchdog+0xf62/0x12b0
[ 286.843027][ T30] ? __pfx_watchdog+0x10/0x10
[ 286.843040][ T30] ? lockdep_hardirqs_on+0x7c/0x110
[ 286.843052][ T30] ? __kthread_parkme+0x148/0x220
[ 286.843063][ T30] ? __pfx_watchdog+0x10/0x10
[ 286.843078][ T30] kthread+0x3af/0x750
[ 286.843090][ T30] ? __pfx_kthread+0x10/0x10
[ 286.843104][ T30] ? __pfx_kthread+0x10/0x10
[ 286.843116][ T30] ret_from_fork+0x45/0x80
[ 286.843129][ T30] ? __pfx_kthread+0x10/0x10
[ 286.843141][ T30] ret_from_fork_asm+0x1a/0x30
[ 286.843158][ T30]
[ 286.843162][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 286.954982][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1a/0x20
[ 286.956093][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.956105][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-10033-gd79bc8f79baa #0
[ 286.956125][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.956135][ T30] Call Trace:
[ 286.956141][ T30]
[ 286.956150][ T30] dump_stack_lvl+0x3d/0x1f0
[ 286.956173][ T30] panic+0x71d/0x800
[ 286.956193][ T30] ? __pfx_panic+0x10/0x10
[ 286.956211][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 286.956237][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 286.956260][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 286.956289][ T30] ? watchdog+0xdcc/0x12b0
[ 286.956313][ T30] ? watchdog+0xdbf/0x12b0
[ 286.956340][ T30] watchdog+0xddd/0x12b0
[ 286.956368][ T30] ? __pfx_watchdog+0x10/0x10
[ 286.956391][ T30] ? lockdep_hardirqs_on+0x7c/0x110
[ 286.956411][ T30] ? __kthread_parkme+0x148/0x220
[ 286.956431][ T30] ? __pfx_watchdog+0x10/0x10
[ 286.956456][ T30] kthread+0x3af/0x750
[ 286.956477][ T30] ? __pfx_kthread+0x10/0x10
[ 286.956501][ T30] ? __pfx_kthread+0x10/0x10
[ 286.956521][ T30] ret_from_fork+0x45/0x80
[ 286.956544][ T30] ? __pfx_kthread+0x10/0x10
[ 286.956564][ T30] ret_from_fork_asm+0x1a/0x30
[ 286.956592][ T30]
[ 287.088478][ T30] Kernel Offset: disabled
[ 287.093142][ T30] Rebooting in 86400 seconds..