INFO: task syz-executor.4:15671 blocked for more than 143 seconds.
Not tainted 5.18.0-rc1-syzkaller-00009-gce4c854ee868 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25936 pid:15671 ppid: 3632 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x937/0x1090 kernel/sched/core.c:6382
schedule+0xeb/0x1b0 kernel/sched/core.c:6454
schedule_timeout+0xac/0x300 kernel/time/timer.c:1857
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
io_wq_exit_workers fs/io-wq.c:1266 [inline]
io_wq_put_and_exit+0x5cf/0xc40 fs/io-wq.c:1301
io_uring_clean_tctx+0x103/0x1d5 fs/io_uring.c:10599
io_uring_cancel_generic+0x636/0x661 fs/io_uring.c:10669
io_uring_files_cancel include/linux/io_uring.h:18 [inline]
do_exit+0x156/0x20c0 kernel/exit.c:750
do_group_exit+0x2af/0x2b0 kernel/exit.c:925
get_signal+0x23bd/0x23c0 kernel/signal.c:2864
arch_do_signal_or_restart+0x8e/0x740 arch/x86/kernel/signal.c:867
exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
exit_to_user_mode_prepare+0x128/0x1f0 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe4ba489049
RSP: 002b:00007fe4b93dd218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fe4ba59c038 RCX: 00007fe4ba489049
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe4ba59c038
RBP: 00007fe4ba59c030 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe4ba59c03c
R13: 00007fff0792d14f R14: 00007fe4b93dd300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8cd1cd60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3274:
#0: ffff888148c99098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002e732e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c2/0x1c60 drivers/tty/n_tty.c:2075
3 locks held by kworker/u4:10/32094:
#0: ffff8880b9b39bd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:554
#1: ffffc90014c4fd20 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7fb/0x11a0 kernel/workqueue.c:2264
#2: ffff8880b9b28398 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x12a/0x270 kernel/time/timer.c:946
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc1-syzkaller-00009-gce4c854ee868 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc82/0xcd0 kernel/hung_task.c:369
kthread+0x2a3/0x2d0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 32094 Comm: kworker/u4:10 Not tainted 5.18.0-rc1-syzkaller-00009-gce4c854ee868 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:lock_is_held_type+0x1/0x190 kernel/locking/lockdep.c:5669
Code: 00 75 d6 48 c7 c7 a0 43 8f 8a 48 c7 c6 e0 43 8f 8a 31 c0 e8 f1 a3 27 f7 0f 0b eb bd e8 78 fd ff ff 0f 1f 84 00 00 00 00 00 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00
RSP: 0018:ffffc90014c4f710 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88802f0a5700 RSI: 00000000ffffffff RDI: ffff888076df4dc0
RBP: ffffc90014c4f9d0 R08: ffffffff89b35152 R09: ffffc90014c4f920
R10: fffff52002989f2a R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888076df4d00 R14: 0000000000000006 R15: ffffc90014c4f780
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c005203d10 CR3: 000000000ca8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
sdata_assert_lock net/mac80211/ieee80211_i.h:1056 [inline]
ieee80211_ibss_process_chanswitch+0xf7/0x1040 net/mac80211/ibss.c:779
ieee80211_rx_bss_info net/mac80211/ibss.c:1147 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1a82/0x2b30 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
ieee80211_iface_work+0x713/0xca0 net/mac80211/iface.c:1581
process_one_work+0x83c/0x11a0 kernel/workqueue.c:2289
worker_thread+0xa6c/0x1290 kernel/workqueue.c:2436
kthread+0x2a3/0x2d0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: 00 75 d6 add %dh,-0x2a(%rbp)
3: 48 c7 c7 a0 43 8f 8a mov $0xffffffff8a8f43a0,%rdi
a: 48 c7 c6 e0 43 8f 8a mov $0xffffffff8a8f43e0,%rsi
11: 31 c0 xor %eax,%eax
13: e8 f1 a3 27 f7 callq 0xf727a409
18: 0f 0b ud2
1a: eb bd jmp 0xffffffd9
1c: e8 78 fd ff ff callq 0xfffffd99
21: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
28: 00
29: 55 push %rbp
* 2a: 41 57 push %r15 <-- trapping instruction
2c: 41 56 push %r14
2e: 41 55 push %r13
30: 41 54 push %r12
32: 53 push %rbx
33: 48 83 ec 10 sub $0x10,%rsp
37: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
3e: 00 00