INFO: task syz-executor.3:15152 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26576 pid:15152 ppid: 15137 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6427
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1704
tty_release+0xc70/0x1200 drivers/tty/tty_io.c:1865
__fput+0x286/0x9f0 fs/file_table.c:311
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0xb29/0x2a30 kernel/exit.c:806
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x4b0/0x28c0 kernel/signal.c:2862
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f234c5a6059
RSP: 002b:00007f234aefa168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f234c6b9030 RCX: 00007f234c5a6059
RDX: 0000000000000000 RSI: 0000000000005608 RDI: 0000000000000010
RBP: 00007f234c60008d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f234cbecb1f R14: 00007f234aefa300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3274:
#0: ffff88802345e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
2 locks held by kworker/1:1/14058:
#0: ffff8880b9d39c58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489
#1: ffff8880b9d27948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3e7/0x4e0 kernel/sched/psi.c:891
1 lock held by syz-executor.3/15152:
#0: ffffffff8c5aeae8 (tty_mutex){+.+.}-{3:3}, at: tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1704
3 locks held by syz-executor.2/15156:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc2-syzkaller #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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 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+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14520 Comm: kworker/u4:2 Not tainted 5.17.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
RIP: 0010:__this_cpu_preempt_check+0x0/0x20 lib/smp_processor_id.c:65
Code: e8 29 75 cc ff eb a2 0f 1f 00 0f 1f 44 00 00 48 c7 c6 e0 46 06 8a 48 c7 c7 20 47 06 8a e9 78 fe ff ff 0f 1f 84 00 00 00 00 00 <55> 48 89 fd 0f 1f 44 00 00 48 89 ee 5d 48 c7 c7 60 47 06 8a e9 57
RSP: 0018:ffffc9000ed97958 EFLAGS: 00000046
RAX: 0000000000000007 RBX: 1ffff92001db2f2e RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89ac6140
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8d93bb97
R10: fffffbfff1b27772 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb83c20 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31350e1990 CR3: 000000000b88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_inc kernel/locking/lockdep.c:433 [inline]
lock_acquire kernel/locking/lockdep.c:5638 [inline]
lock_acquire+0x170/0x510 kernel/locking/lockdep.c:5604
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
ieee80211_vif_get_shift net/mac80211/ieee80211_i.h:1072 [inline]
ieee80211_sta_get_rates+0x13e/0x960 net/mac80211/util.c:2120
ieee80211_update_sta_info net/mac80211/ibss.c:1003 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1117 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1131/0x3150 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
ieee80211_iface_work+0xa69/0xd00 net/mac80211/iface.c:1581
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: e8 29 75 cc ff callq 0xffcc752e
5: eb a2 jmp 0xffffffa9
7: 0f 1f 00 nopl (%rax)
a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
f: 48 c7 c6 e0 46 06 8a mov $0xffffffff8a0646e0,%rsi
16: 48 c7 c7 20 47 06 8a mov $0xffffffff8a064720,%rdi
1d: e9 78 fe ff ff jmpq 0xfffffe9a
22: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
29: 00
* 2a: 55 push %rbp <-- trapping instruction
2b: 48 89 fd mov %rdi,%rbp
2e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
33: 48 89 ee mov %rbp,%rsi
36: 5d pop %rbp
37: 48 c7 c7 60 47 06 8a mov $0xffffffff8a064760,%rdi
3e: e9 .byte 0xe9
3f: 57 push %rdi