BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 35s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    in-flight: 25:linkwatch_event
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256
    pending: xfrm_state_gc_task, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler
workqueue events_highpri: flags=0x10
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256
    pending: flush_backlog BAR(15019)
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256
    pending: gc_worker, neigh_periodic_work
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=2/256
    pending: blk_mq_requeue_work, blk_mq_timeout_work
workqueue vmstat: flags=0xc
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    pending: vmstat_update
workqueue dm_bufio_cache: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    pending: work_fn
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 4331 18 1833
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
IPVS: Creating netns size=2536 id=40
device lo entered promiscuous mode
veth1: renamed from lo
device lo left promiscuous mode
IPVS: Creating netns size=2536 id=41
netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=15134 comm=syz-executor3
device lo entered promiscuous mode
netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=15134 comm=syz-executor3
device lo left promiscuous mode
binder: 15160:15162 unknown command 1074554638
binder: 15160:15162 ioctl c0306201 20008fd0 returned -22
binder: 15160:15162 unknown command 1074554638
binder: 15160:15162 ioctl c0306201 20008fd0 returned -22
netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'.
IPVS: Creating netns size=2536 id=42
IPVS: Creating netns size=2536 id=43
IPVS: set_ctl: invalid protocol: 29 224.0.0.1:20002
IPVS: set_ctl: invalid protocol: 29 224.0.0.1:20002
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
binder: 15332:15335 ERROR: BC_REGISTER_LOOPER called without request
cgroup: cgroup2: unknown option ""
cgroup: cgroup2: unknown option ""
IPVS: Creating netns size=2536 id=44
IPVS: Creating netns size=2536 id=45
binder_alloc: 15332: binder_alloc_buf size 2305849881161367552 failed, no address space
binder_alloc: allocated: 0 (num: 0 largest: 0), free: 12288 (num: 1 largest: 12288)
binder: 15332:15402 transaction failed 29201/-28, size 0-2305849881161367552 line 3141
binder_alloc: binder_alloc_mmap_handler: 15332 20001000-20004000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15332:15402 ioctl 40046207 0 returned -16
binder: 15332:15402 ERROR: BC_REGISTER_LOOPER called without request
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15416:15420 ioctl 40046207 0 returned -16
binder_alloc: 15332: binder_alloc_buf, no vma
binder: 15416:15420 transaction failed 29189/-3, size 0-0 line 3141
binder: undelivered TRANSACTION_ERROR: 29201
binder: 15416:15420 got reply transaction with no transaction stack
binder: 15416:15420 transaction failed 29201/-71, size 80-8 line 2926
IPVS: Creating netns size=2536 id=46
binder_alloc: binder_alloc_mmap_handler: 15416 20001000-20004000 already mapped failed -16
binder_alloc: 15416: binder_alloc_buf, no vma
binder: 15416:15447 transaction failed 29189/-3, size 0-0 line 3141
binder: 15416:15420 ERROR: BC_REGISTER_LOOPER called without request
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29201
pktgen: kernel_thread() failed for cpu 0
pktgen: Cannot create thread for cpu 0 (-4)
pktgen: kernel_thread() failed for cpu 1
pktgen: Cannot create thread for cpu 1 (-4)
pktgen: Initialization failed for all threads
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=769 sclass=netlink_route_socket pig=15594 comm=syz-executor5
SELinux: security policydb version 16 (MLS) not backwards compatible
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=769 sclass=netlink_route_socket pig=15616 comm=syz-executor5
binder: 15593:15597 ioctl c0306201 20000040 returned -14
binder: 15593:15597 ERROR: BC_REGISTER_LOOPER called without request
binder: 15666:15668 ERROR: BC_REGISTER_LOOPER called without request
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15669:15673 ioctl 40046207 0 returned -16
binder: 15669:15673 ERROR: BC_REGISTER_LOOPER called without request
binder: 15666:15668 unknown command 7
binder: 15666:15668 ioctl c0306201 20000500 returned -22
binder_alloc: binder_alloc_mmap_handler: 15593 20001000-20004000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15593:15692 ioctl 40046207 0 returned -16
binder: 15593:15692 ERROR: BC_REGISTER_LOOPER called without request
binder: 15593:15691 ioctl c0306201 20000040 returned -14