INFO: task syz-executor.5:22421 blocked for more than 143 seconds.
Not tainted 5.18.0-rc4-syzkaller-00192-g38d741cb70b3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27376 pid:22421 ppid: 3622 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1860
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
io_wq_exit_workers fs/io-wq.c:1266 [inline]
io_wq_put_and_exit+0x4d6/0xe40 fs/io-wq.c:1301
io_uring_clean_tctx fs/io_uring.c:10381 [inline]
io_uring_cancel_generic+0x538/0x5bc fs/io_uring.c:10451
io_uring_files_cancel include/linux/io_uring.h:18 [inline]
do_exit+0x4f9/0x2a00 kernel/exit.c:750
do_group_exit+0xd2/0x2f0 kernel/exit.c:925
get_signal+0x22df/0x24c0 kernel/signal.c:2864
arch_do_signal_or_restart+0x82/0x20f0 arch/x86/kernel/signal.c:867
exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fdd698890e9
RSP: 002b:00007fdd6aa9d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fdd6999c038 RCX: 00007fdd698890e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdd6999c038
RBP: 00007fdd6999c030 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd6999c03c
R13: 00007fdd69ecfb1f R14: 00007fdd6aa9d300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd820e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
2 locks held by kworker/u4:4/990:
2 locks held by getty/3277:
#0: ffff88807eb80098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002ce62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230 drivers/tty/n_tty.c:2075
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc4-syzkaller-00192-g38d741cb70b3 #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+0x1e6/0x230 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:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 55 Comm: kworker/u4:3 Not tainted 5.18.0-rc4-syzkaller-00192-g38d741cb70b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
RIP: 0010:ieee80211_sta_get_rates+0x528/0x960 net/mac80211/util.c:2175
Code: b6 14 30 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 73 03 00 00 41 0f b7 46 04 03 44 24 30 8b 5c 24 20 99 f7 7c 24 24 <89> de 41 89 c6 89 c7 e8 2c b0 b6 f8 41 39 de 0f 85 20 ff ff ff e8
RSP: 0018:ffffc900013dfa40 EFLAGS: 00000202
RAX: 000000000000006e RBX: 000000000000000a RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff88807f61df60
RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000002
R10: ffffffff88c282ca R11: 000000000000007f R12: 0000000000000003
R13: 0000000000000003 R14: ffff88807f61df5c R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0035b3020 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
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+0x11c8/0x33b0 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
ieee80211_iface_work+0xa6f/0xd10 net/mac80211/iface.c:1581
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
----------------
Code disassembly (best guess):
0: b6 14 mov $0x14,%dh
2: 30 48 89 xor %cl,-0x77(%rax)
5: f8 clc
6: 83 e0 07 and $0x7,%eax
9: 83 c0 01 add $0x1,%eax
c: 38 d0 cmp %dl,%al
e: 7c 08 jl 0x18
10: 84 d2 test %dl,%dl
12: 0f 85 73 03 00 00 jne 0x38b
18: 41 0f b7 46 04 movzwl 0x4(%r14),%eax
1d: 03 44 24 30 add 0x30(%rsp),%eax
21: 8b 5c 24 20 mov 0x20(%rsp),%ebx
25: 99 cltd
26: f7 7c 24 24 idivl 0x24(%rsp)
* 2a: 89 de mov %ebx,%esi <-- trapping instruction
2c: 41 89 c6 mov %eax,%r14d
2f: 89 c7 mov %eax,%edi
31: e8 2c b0 b6 f8 callq 0xf8b6b062
36: 41 39 de cmp %ebx,%r14d
39: 0f 85 20 ff ff ff jne 0xffffff5f
3f: e8 .byte 0xe8