device lo left promiscuous mode
device lo entered promiscuous mode
INFO: task kworker/u4:10:541 blocked for more than 143 seconds.
Not tainted 6.0.0-rc3-next-20220829 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:10 state:D stack:25160 pid:541 ppid:2 flags:0x00004000
Workqueue: events_unbound io_ring_exit_work
Call Trace:
__schedule+0x893/0x24a0
schedule+0xda/0x1b0
schedule_timeout+0x3ad/0x480
__wait_for_common+0x1c3/0x4c0
io_ring_exit_work+0x4aa/0xc33
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1260
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
Showing all threads with locks held in the system:
task:rcu_tasks_kthre state:I stack:29264 pid:11 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x24a0
schedule+0xda/0x1b0
rcu_tasks_one_gp+0x3db/0xc10
rcu_tasks_kthread+0x80/0xa0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff85404c10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10
task:in:imklog state:R stack:27872 pid:192 ppid:1 flags:0x00000000
Call Trace:
__schedule+0x893/0x24a0
schedule+0xda/0x1b0
syslog_print+0x1c2/0x590
do_syslog.part.0+0x276/0x6a0
do_syslog+0x49/0x70
kmsg_read+0x8a/0xb0
proc_reg_read+0x11c/0x300
vfs_read+0x253/0x930
ksys_read+0x127/0x250
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f477b05108c
RSP: 002b:00007f477a5ed4d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f477b05108c
RDX: 0000000000001fa0 RSI: 00007f477a5edd00 RDI: 0000000000000005
RBP: 00005582177314c0 R08: 0000000000000000 R09: 000055821772de88
R10: a3d70a3d70a3d70b R11: 0000000000000246 R12: 00007f477a5edd00
R13: 0000000000001fa0 R14: 00007f477a5edd00 R15: 00007f477a5edda8
1 lock held by in:imklog/192:
#0: ffff88800f9d6fe8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x100
task:syz-fuzzer state:S stack:25016 pid:266 ppid:259 flags:0x00000000
Call Trace:
__schedule+0x893/0x24a0
schedule+0xda/0x1b0
futex_wait_queue+0x144/0x3c0
futex_wait+0x28e/0x690
do_futex+0x2ff/0x380
__x64_sys_futex+0x1c6/0x4d0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x466533
RSP: 002b:000000c00003fe80 EFLAGS: 00000206 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000015b978 RCX: 0000000000466533
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001f20e78
RBP: 000000c00003fec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c00003feb8 R11: 0000000000000206 R12: 0000000000438880
R13: 000000000123be80 R14: 0000000000000003 R15: 0000000000000003
no locks held by syz-fuzzer/266.
task:kworker/u4:10 state:D stack:25160 pid:541 ppid:2 flags:0x00004000
Workqueue: events_unbound io_ring_exit_work
Call Trace:
__schedule+0x893/0x24a0
schedule+0xda/0x1b0
schedule_timeout+0x3ad/0x480
__wait_for_common+0x1c3/0x4c0
io_ring_exit_work+0x4aa/0xc33
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1260
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
2 locks held by kworker/u4:10/541:
#0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x90d/0x1690
#1: ffff888017e7fdb0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x941/0x1690
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