ci2 starts bisection 2022-07-24 06:48:01.516710152 +0000 UTC m=+158419.525749378
bisecting fixing commit since 0974b8411a58cd5b4c7c3cfe28f4874c0b7267e7
building syzkaller on 3037caa999f22cdb40f1fa5c6b1b13e5d6af9781
testing commit 0974b8411a58cd5b4c7c3cfe28f4874c0b7267e7
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 912ac43f7282baa327b132ba76e95ba0973b81c7cb1c7168a9b7e3dbde2f7721
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: workqueue lockup
run #4: crashed: BUG: workqueue lockup
run #5: crashed: BUG: workqueue lockup
run #6: crashed: BUG: workqueue lockup
run #7: crashed: BUG: workqueue lockup
run #8: crashed: BUG: workqueue lockup
run #9: crashed: BUG: workqueue lockup
run #10: crashed: BUG: workqueue lockup
run #11: crashed: BUG: workqueue lockup
run #12: crashed: BUG: workqueue lockup
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD ebc9fb07d294cc27587d08866f0c0f2321bded54
testing commit ebc9fb07d294cc27587d08866f0c0f2321bded54
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 10b1d5f486c38991fc3050305df68a970930842948cb84a1da899c261f446eab
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: workqueue lockup
run #4: crashed: BUG: workqueue lockup
run #5: crashed: BUG: workqueue lockup
run #6: crashed: BUG: workqueue lockup
run #7: crashed: BUG: workqueue lockup
run #8: crashed: BUG: workqueue lockup
run #9: OK
revisions tested: 2, total time: 28m30.943949463s (build: 11m10.825007288s, test: 16m48.355832081s)
the crash still happens on HEAD
commit msg: ANDROID: random: fix CRC issues with the merge
crash: BUG: workqueue lockup
BUG: workqueue lockup - pool cpus=0
 node=0 flags=0x0 nice=0 stuck for 234s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1
 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: psi_avgs_work, free_work
  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=10/256 refcnt=11
    pending: usb_gadget_state_work
, destroy_list_workfn, usb_gadget_state_work, vmstat_shepherd, usb_gadget_state_work
, usb_gadget_state_work, free_work, pcpu_balance_workfn, usb_gadget_state_work, usb_gadget_state_work
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6
    in-flight:
 177:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn, 10:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending:
 neigh_periodic_work, neigh_periodic_work

  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_ratelimiter_gc_entries, reg_check_chans_work

workqueue rcu_gp: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 process_srcu
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 srcu_invoke_callbacks
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 vmstat_update
  pwq 0: cpus=0 node=0
 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue usb_hub_wq: flags=0x4
  pwq 2:
 cpus=1 node=0 flags=0x0 nice=0 active=6/256 refcnt=7
    in-flight: 108:hub_event hub_event
, 25:hub_event hub_event, 377:hub_event
    pending: hub_event

  pwq 0: cpus=0
 node=0 flags=0x0 nice=0 active=5/256 refcnt=6
    in-flight: 437:hub_event, 438:hub_event

    pending: hub_event, hub_event, hub_event
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 work_fn
workqueue wg-kex-wg0: flags=0x24
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker

  pwq 0: cpus=0
 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker
, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending:
 wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x24
  pwq 2:
 cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending:
 wg_packet_handshake_receive_worker
  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
, wg_packet_decrypt_worker
workqueue wg-kex-wg0: flags=0x24
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker

  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=1 node=0
 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker

workqueue wg-kex-wg0: flags=0x24
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker

workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending:
 wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg0: flags=0x24
  pwq 0: cpus=0
 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker
, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0
 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 2: cpus=1
 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker

workqueue wg-kex-wg0: flags=0x24
  pwq 2: cpus=1
 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 0:
 cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0
 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker
, wg_packet_decrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker
, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 0: cpus=0 node=0
 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0
 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker
, wg_packet_decrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 0: cpus=0
 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
pool 0:
 cpus=0 node=0 flags=0x0 nice=0 hung=249s workers=6 idle: 5 378 441 75
pool 2:
 cpus=1 node=0 flags=0x0 nice=0 hung=98s workers=8 idle: 1061 1062 382 383 20
pool 4:
 cpus=0-1 flags=0x4 nice=0 hung=0s workers=6 idle: 457 494 555