Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts.
2026/07/13 03:23:07 parsed 1 programs
Setting up swapspace version 1, size = 127995904 bytes
[ 42.350706][ T1942] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 42.998796][ T1991] chnl_net:caif_netlink_parms(): no params data found
[ 43.592551][ T1991] 8021q: adding VLAN 0 to HW filter on device bond0
[ 43.978925][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 43.986412][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 43.994896][ T1991] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 44.718701][ T1991] syz-executor (1991) used greatest stack depth: 11600 bytes left
[ 44.764668][ T1450] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 44.772757][ T1450] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 44.783327][ T1450] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 44.790669][ T1450] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 44.799297][ T1450] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 44.807011][ T1450] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 44.870091][ T11] bond0 (unregistering): Released all slaves
2026/07/13 03:23:10 executed programs: 0
[ 45.189150][ T1450] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 45.196764][ T1450] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 45.203884][ T1450] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 45.211089][ T1450] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 45.218359][ T1450] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 45.225374][ T1450] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 45.290878][ T2433] chnl_net:caif_netlink_parms(): no params data found
[ 45.880366][ T2433] 8021q: adding VLAN 0 to HW filter on device bond0
[ 46.298131][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 46.305735][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 46.313979][ T2433] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 47.133438][ T2833] nbd0: detected capacity change from 0 to 549764202496
[ 47.292596][ T42] Bluetooth: hci0: command 0x0409 tx timeout
[ 47.919699][ T1450] block nbd0: Receive control failed (result -104)
[ 49.372490][ T1450] Bluetooth: hci0: command 0x041b tx timeout
[ 51.452478][ T1450] Bluetooth: hci0: command 0x040f tx timeout
[ 53.532488][ T1450] Bluetooth: hci0: command 0x0419 tx timeout
[ 62.112439][ T1450] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 62.120115][ T1450] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 62.127578][ T1450] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 62.135166][ T1450] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 62.142978][ T1450] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 62.150118][ T1450] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 62.225042][ T2836] chnl_net:caif_netlink_parms(): no params data found
[ 62.886229][ T2836] 8021q: adding VLAN 0 to HW filter on device bond0
[ 63.313969][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 63.322000][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 63.330352][ T2836] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:23:29 executed programs: 3
[ 64.152642][ T3237] nbd1: detected capacity change from 0 to 549764202496
[ 64.172564][ T42] Bluetooth: hci1: command 0x0409 tx timeout
[ 64.934790][ T1450] block nbd1: Receive control failed (result -104)
[ 66.262484][ T1450] Bluetooth: hci1: command 0x041b tx timeout
[ 68.332545][ T42] Bluetooth: hci1: command 0x040f tx timeout
[ 70.412540][ T1450] Bluetooth: hci1: command 0x0419 tx timeout
[ 77.532534][ T46] block nbd0: Possible stuck request ffff888101ed0000: control (read@0,4096B). Runtime 30 seconds
[ 79.122045][ T1450] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 79.129462][ T1450] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 79.136917][ T1450] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 79.144259][ T1450] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 79.151334][ T1450] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 79.158441][ T1450] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 79.226157][ T3240] chnl_net:caif_netlink_parms(): no params data found
[ 79.855105][ T3240] 8021q: adding VLAN 0 to HW filter on device bond0
[ 80.308273][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 80.317674][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 80.328229][ T3240] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:23:46 executed programs: 4
[ 81.122755][ T3641] nbd2: detected capacity change from 0 to 549764202496
[ 81.222455][ T42] Bluetooth: hci2: command 0x0409 tx timeout
[ 81.925281][ T1450] block nbd2: Receive control failed (result -104)
[ 83.292507][ T1450] Bluetooth: hci2: command 0x041b tx timeout
[ 85.382481][ T1450] Bluetooth: hci2: command 0x040f tx timeout
[ 87.452509][ T42] Bluetooth: hci2: command 0x0419 tx timeout
[ 94.172724][ T461] block nbd1: Possible stuck request ffff888102290000: control (read@0,4096B). Runtime 30 seconds
[ 96.111982][ T42] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 96.119888][ T42] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 96.127474][ T42] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 96.135495][ T42] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 96.143236][ T42] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 96.150537][ T42] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 96.219860][ T3643] chnl_net:caif_netlink_parms(): no params data found
[ 96.824072][ T3643] 8021q: adding VLAN 0 to HW filter on device bond0
[ 97.224108][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 97.231812][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 97.240147][ T3643] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:24:03 executed programs: 5
[ 97.992637][ T4044] nbd3: detected capacity change from 0 to 549764202496
[ 98.172541][ T1450] Bluetooth: hci3: command 0x0409 tx timeout
[ 98.802620][ T42] block nbd3: Receive control failed (result -104)
[ 100.252450][ T42] Bluetooth: hci3: command 0x041b tx timeout
[ 102.332513][ T1450] Bluetooth: hci3: command 0x040f tx timeout
[ 104.412548][ T42] Bluetooth: hci3: command 0x0419 tx timeout
[ 107.612565][ T46] block nbd0: Possible stuck request ffff888101ed0000: control (read@0,4096B). Runtime 60 seconds
[ 110.012605][ T877] udevd[877]: worker [2397] /devices/virtual/block/nbd0 is taking a long time
[ 111.452740][ T461] block nbd2: Possible stuck request ffff8881022c8000: control (read@0,4096B). Runtime 30 seconds
[ 112.988436][ T42] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 112.995705][ T42] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 113.003426][ T42] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 113.010658][ T42] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 113.017946][ T42] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[ 113.025315][ T42] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 113.094633][ T4046] chnl_net:caif_netlink_parms(): no params data found
[ 113.690370][ T4046] 8021q: adding VLAN 0 to HW filter on device bond0
[ 114.091321][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 114.098866][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 114.107901][ T4046] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:24:20 executed programs: 6
[ 114.863307][ T4447] nbd4: detected capacity change from 0 to 549764202496
[ 115.052456][ T1450] Bluetooth: hci4: command 0x0409 tx timeout
[ 115.675591][ T42] block nbd4: Receive control failed (result -104)
[ 117.132482][ T42] Bluetooth: hci4: command 0x041b tx timeout
[ 119.212510][ T1450] Bluetooth: hci4: command 0x040f tx timeout
[ 121.292478][ T1450] Bluetooth: hci4: command 0x0419 tx timeout
[ 124.252619][ T461] block nbd1: Possible stuck request ffff888102290000: control (read@0,4096B). Runtime 60 seconds
[ 126.882392][ T877] udevd[877]: worker [2839] /devices/virtual/block/nbd1 is taking a long time
[ 128.102610][ T461] block nbd3: Possible stuck request ffff8881022e8000: control (read@0,4096B). Runtime 30 seconds
[ 129.862476][ T1450] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1
[ 129.869925][ T1450] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9
[ 129.877172][ T1450] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9
[ 129.884408][ T1450] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4
[ 129.891669][ T1450] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3
[ 129.898980][ T1450] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2
[ 129.985309][ T4449] chnl_net:caif_netlink_parms(): no params data found
[ 130.751083][ T4449] 8021q: adding VLAN 0 to HW filter on device bond0
[ 131.207799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 131.215251][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 131.224643][ T4449] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 131.932456][ T1450] Bluetooth: hci5: command 0x0409 tx timeout
2026/07/13 03:24:37 executed programs: 7
[ 132.062668][ T4850] nbd5: detected capacity change from 0 to 549764202496
[ 132.856330][ T1450] block nbd5: Receive control failed (result -104)
[ 134.012502][ T1450] Bluetooth: hci5: command 0x041b tx timeout
[ 136.092470][ T1450] Bluetooth: hci5: command 0x040f tx timeout
[ 137.692549][ T46] block nbd0: Possible stuck request ffff888101ed0000: control (read@0,4096B). Runtime 90 seconds
[ 138.172464][ T42] Bluetooth: hci5: command 0x0419 tx timeout
[ 141.532567][ T461] block nbd2: Possible stuck request ffff8881022c8000: control (read@0,4096B). Runtime 60 seconds
[ 144.082063][ T877] udevd[877]: worker [1956] /devices/virtual/block/nbd2 is taking a long time
[ 145.372525][ T46] block nbd4: Possible stuck request ffff8881026a8000: control (read@0,4096B). Runtime 30 seconds
[ 147.043683][ T42] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1
[ 147.050790][ T42] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9
[ 147.058084][ T42] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9
[ 147.065493][ T42] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4
[ 147.072985][ T42] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3
[ 147.080050][ T42] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2
[ 147.148981][ T4852] chnl_net:caif_netlink_parms(): no params data found
[ 147.749515][ T4852] 8021q: adding VLAN 0 to HW filter on device bond0
[ 148.156492][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 148.163972][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 148.172641][ T4852] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:24:54 executed programs: 8
[ 149.032784][ T5252] nbd6: detected capacity change from 0 to 549764202496
[ 149.142464][ T42] Bluetooth: hci6: command 0x0409 tx timeout
[ 149.823840][ T1450] block nbd6: Receive control failed (result -104)
[ 151.212466][ T1450] Bluetooth: hci6: command 0x041b tx timeout
[ 153.292466][ T42] Bluetooth: hci6: command 0x040f tx timeout
[ 154.332682][ T461] block nbd1: Possible stuck request ffff888102290000: control (read@0,4096B). Runtime 90 seconds
[ 155.372446][ T42] Bluetooth: hci6: command 0x0419 tx timeout
[ 158.048908][ T877] udevd[877]: worker [3645] /devices/virtual/block/nbd3 is taking a long time
[ 158.172499][ T461] block nbd3: Possible stuck request ffff8881022e8000: control (read@0,4096B). Runtime 60 seconds
[ 162.652715][ T461] block nbd5: Possible stuck request ffff8881026c8000: control (read@0,4096B). Runtime 30 seconds
[ 164.011229][ T42] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1
[ 164.018305][ T42] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9
[ 164.026543][ T42] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9
[ 164.033812][ T42] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4
[ 164.041554][ T42] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3
[ 164.049233][ T42] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2
[ 164.120544][ T5254] chnl_net:caif_netlink_parms(): no params data found
[ 164.299132][ T5309] modprobe (5309) used greatest stack depth: 11568 bytes left
[ 164.753808][ T5254] 8021q: adding VLAN 0 to HW filter on device bond0
[ 165.207043][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 165.214628][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 165.223928][ T5254] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:25:11 executed programs: 9
[ 166.084080][ T5656] nbd7: detected capacity change from 0 to 549764202496
[ 166.102498][ T1450] Bluetooth: hci7: command 0x0409 tx timeout
[ 166.873979][ T42] block nbd7: Receive control failed (result -104)
[ 167.772606][ T46] block nbd0: Possible stuck request ffff888101ed0000: control (read@0,4096B). Runtime 120 seconds
[ 168.172451][ T1448] Bluetooth: hci7: command 0x041b tx timeout
[ 169.852520][ T42] Bluetooth: hci0: command 0x0406 tx timeout
[ 170.262461][ T1448] Bluetooth: hci7: command 0x040f tx timeout
[ 171.612731][ T461] block nbd2: Possible stuck request ffff8881022c8000: control (read@0,4096B). Runtime 90 seconds
[ 172.332452][ T42] Bluetooth: hci7: command 0x0419 tx timeout
[ 175.099681][ T877] udevd[877]: worker [4048] /devices/virtual/block/nbd4 is taking a long time
[ 175.452485][ T46] block nbd4: Possible stuck request ffff8881026a8000: control (read@0,4096B). Runtime 60 seconds
[ 179.292674][ T461] block nbd6: Possible stuck request ffff8881026f8000: control (read@0,4096B). Runtime 30 seconds
[ 181.067851][ T1448] Bluetooth: hci8: unexpected cc 0x0c03 length: 249 > 1
[ 181.075019][ T1448] Bluetooth: hci8: unexpected cc 0x1003 length: 249 > 9
[ 181.084214][ T1448] Bluetooth: hci8: unexpected cc 0x1001 length: 249 > 9
[ 181.091559][ T1448] Bluetooth: hci8: unexpected cc 0x0c23 length: 249 > 4
[ 181.098849][ T1448] Bluetooth: hci8: unexpected cc 0x0c25 length: 249 > 3
[ 181.106059][ T1448] Bluetooth: hci8: unexpected cc 0x0c38 length: 249 > 2
[ 181.184034][ T5658] chnl_net:caif_netlink_parms(): no params data found
[ 181.841588][ T5658] 8021q: adding VLAN 0 to HW filter on device bond0
[ 182.254413][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 182.261745][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 182.270088][ T5658] 8021q: adding VLAN 0 to HW filter on device batadv0
2026/07/13 03:25:28 executed programs: 10
[ 183.042635][ T6059] nbd8: detected capacity change from 0 to 549764202496
[ 183.132473][ T42] Bluetooth: hci8: command 0x0409 tx timeout
[ 183.846784][ T1448] block nbd8: Receive control failed (result -104)
[ 184.412661][ T461] block nbd1: Possible stuck request ffff888102290000: control (read@0,4096B). Runtime 120 seconds
[ 185.212445][ T1448] Bluetooth: hci8: command 0x041b tx timeout
[ 185.212463][ T6060] Bluetooth: hci1: command 0x0406 tx timeout
[ 187.292440][ T1448] Bluetooth: hci8: command 0x040f tx timeout
[ 188.272443][ T461] block nbd3: Possible stuck request ffff8881022e8000: control (read@0,4096B). Runtime 90 seconds
[ 189.372474][ T6060] Bluetooth: hci8: command 0x0419 tx timeout
[ 192.092561][ T28] INFO: task syz.2.17:2834 blocked for more than 143 seconds.
[ 192.100212][ T28] Not tainted syzkaller #0
[ 192.105257][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 192.114199][ T28] task:syz.2.17 state:D stack:14224 pid:2834 ppid:2433 flags:0x00004004
[ 192.123450][ T28] Call Trace:
[ 192.126738][ T28]
[ 192.129658][ T28] __schedule+0x557/0x830
[ 192.134087][ T28] ? sync_bdevs+0xda/0x150
[ 192.138594][ T28] schedule+0x50/0xb0
[ 192.142587][ T28] schedule_preempt_disabled+0x2e/0x40
[ 192.148031][ T28] __mutex_lock+0x46d/0x9f0
[ 192.152547][ T28] sync_bdevs+0xda/0x150
[ 192.156776][ T28] ksys_sync+0x60/0xa0
[ 192.160815][ T28] __ia32_sys_sync+0x5/0x10
[ 192.165320][ T28] do_syscall_64+0x4c/0xa0
[ 192.169712][ T28] ? clear_bhb_loop+0x60/0xb0
[ 192.174382][ T28] ? clear_bhb_loop+0x60/0xb0
[ 192.179032][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 192.185277][ T28] RIP: 0033:0x7f0ce635aef9
[ 192.189834][ T28] RSP: 002b:00007f0ce599d028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
[ 192.198434][ T28] RAX: ffffffffffffffda RBX: 00007f0ce65c6090 RCX: 00007f0ce635aef9
[ 192.206439][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 192.214583][ T28] RBP: 00007f0ce65c6090 R08: 0000000000000000 R09: 0000000000000000
[ 192.222639][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 192.230781][ T28] R13: 00007f0ce65c6128 R14: 00007f0ce65c6090 R15: 00007ffcda175a18
[ 192.239047][ T28]
[ 192.242067][ T28]
[ 192.242067][ T28] Showing all locks held in the system:
[ 192.249791][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 192.255106][ T28] #0: ffffffff8357af28 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0xa1/0x4e0
[ 192.265802][ T28] 1 lock held by rcu_tasks_trace/13:
[ 192.271073][ T28] #0: ffffffff8357b550 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0xa1/0x4e0
[ 192.282138][ T28] 1 lock held by khungtaskd/28:
[ 192.286980][ T28] #0: ffffffff8357ace8 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2a/0xf0
[ 192.296725][ T28] 2 locks held by getty/942:
[ 192.301313][ T28] #0: ffff8881001ae098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1c/0x40
[ 192.311040][ T28] #1: ffffc900021b32f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x19e/0x6e0
[ 192.321028][ T28] 1 lock held by udevd/1956:
[ 192.325600][ T28] #0: ffff8881012e64c8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.335513][ T28] 1 lock held by udevd/2397:
[ 192.340149][ T28] #0: ffff8881012e3cc8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.350081][ T28] 1 lock held by syz.2.17/2834:
[ 192.355017][ T28] #0: ffff8881012e3cc8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.364487][ T28] 1 lock held by udevd/2839:
[ 192.369139][ T28] #0: ffff88810fa434c8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.379207][ T28] 1 lock held by syz.3.18/3238:
[ 192.384409][ T28] #0: ffff88810fa434c8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.393877][ T28] 1 lock held by udevd/3242:
[ 192.398528][ T28] #0: ffff88810da434c8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.408518][ T28] 1 lock held by syz.4.19/3641:
[ 192.413374][ T28] #0: ffff8881012e64c8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.422753][ T28] 1 lock held by udevd/3645:
[ 192.427320][ T28] #0: ffff88810fa45cc8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.437321][ T28] 1 lock held by syz.5.20/4044:
[ 192.442245][ T28] #0: ffff88810fa45cc8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.452175][ T28] 1 lock held by udevd/4048:
[ 192.456762][ T28] #0: ffff888100fb04c8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.467368][ T28] 1 lock held by syz.6.21/4447:
[ 192.472197][ T28] #0: ffff888100fb04c8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.481569][ T28] 1 lock held by udevd/4452:
[ 192.486162][ T28] #0: ffff88810da40cc8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.496361][ T28] 1 lock held by syz.7.22/4850:
[ 192.501183][ T28] #0: ffff88810da40cc8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.510562][ T28] 1 lock held by syz.8.23/5252:
[ 192.515396][ T28] #0: ffff88810da434c8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.524762][ T28] 1 lock held by udevd/5256:
[ 192.529327][ T28] #0: ffff88810da45cc8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.539275][ T28] 1 lock held by syz.9.24/5656:
[ 192.544219][ T28] #0: ffff88810da45cc8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.553613][ T28] 1 lock held by udevd/5661:
[ 192.558183][ T28] #0: ffff8881012f04c8 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x8c/0x2e0
[ 192.568083][ T28] 1 lock held by syz.0.25/6059:
[ 192.573043][ T28] #0: ffff8881012f04c8 (&disk->open_mutex){....}-{3:3}, at: sync_bdevs+0xda/0x150
[ 192.582528][ T28]
[ 192.585026][ T28] =============================================
[ 192.585026][ T28]
[ 192.593533][ T28] NMI backtrace for cpu 1
[ 192.597971][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 192.605413][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 192.615529][ T28] Call Trace:
[ 192.618801][ T28]
[ 192.621707][ T28] dump_stack_lvl+0x74/0xbb
[ 192.626285][ T28] nmi_cpu_backtrace+0x102/0x160
[ 192.632267][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 192.638318][ T28] nmi_trigger_cpumask_backtrace+0xa5/0x160
[ 192.644285][ T28] watchdog+0x537/0x560
[ 192.648514][ T28] ? watchdog+0xcc/0x560
[ 192.652727][ T28] ? hungtask_pm_notify+0x20/0x20
[ 192.657751][ T28] kthread+0xcc/0xe0
[ 192.661611][ T28] ? kthread_blkcg+0x30/0x30
[ 192.666286][ T28] ret_from_fork+0x1f/0x30
[ 192.670802][ T28]
[ 192.674162][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 192.679396][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 192.680385][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 192.695600][ T28] Kernel Offset: disabled
[ 192.699901][ T28] Rebooting in 86400 seconds..