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BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 30s!

Status: closed as invalid on 2017/09/12 18:13
First crash: 2700d, last: 2700d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 30s! (2) 3 2669d 2671d 0/28 closed as invalid on 2017/10/18 19:51

Sample crash report:
=============================================

BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 30s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256
    pending: console_callback, perf_sched_delayed, vmstat_shepherd, cache_reap
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512
    in-flight: 3503:call_usermodehelper_exec_work, 4951:call_usermodehelper_exec_work
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    pending: neigh_periodic_work
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    pending: vmstat_update
workqueue writeback: flags=0x4e
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256
    in-flight: 4717:wb_workfn
workqueue ipv6_addrconf: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1
    pending: addrconf_dad_work
pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=11 idle: 6409 5 29 3291 4727 21 79
9pnet_virtio: no channels available for device ./file0
QAT: Invalid ioctl
sctp: [Deprecated]: syz-executor0 (pid 10458) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
9pnet_virtio: no channels available for device ./file0
QAT: Invalid ioctl
netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'.
do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app
do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app
netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'.
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
QAT: Invalid ioctl
netlink: 11 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 11 bytes leftover after parsing attributes in process `syz-executor3'.
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=10802 comm=syz-executor6
netlink: 11 bytes leftover after parsing attributes in process `syz-executor3'.
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=10810 comm=syz-executor6
sg_write: data in/out 1304068405/1 bytes for SCSI command 0x44-- guessing data in;
   program syz-executor6 not setting count and/or reply_len properly
sctp: [Deprecated]: syz-executor2 (pid 11043) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor2 (pid 11065) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
nla_parse: 12 callbacks suppressed
netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'.

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/09/07 01:08 upstream ec3604c7a5aa 0ed1da4a .config console log report ci-upstream-kasan-gce
* Struck through repros no longer work on HEAD.