INFO: task syz-executor.5:8927 blocked for more than 143 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27528 pid: 8927 ppid: 3711 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:1857
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:10368 [inline]
io_uring_cancel_generic+0x538/0x5bc fs/io_uring.c:10438
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: 0033:0x7f723e489049
RSP: 002b:00007f723f5a8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f723e59bf68 RCX: 00007f723e489049
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f723e59bf68
RBP: 00007f723e59bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f723e59bf6c
R13: 00007f723eacfb1f R14: 00007f723f5a8300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd81de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
2 locks held by getty/3277:
#0: ffff88801dc92098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002e632e8 (&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-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+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: 8549 Comm: kworker/u4:44 Not tainted 5.18.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy12 ieee80211_iface_work
RIP: 0010:ieee80211_chandef_get_shift net/mac80211/ieee80211_i.h:1062 [inline]
RIP: 0010:ieee80211_vif_get_shift net/mac80211/ieee80211_i.h:1081 [inline]
RIP: 0010:ieee80211_sta_get_rates+0x1d7/0x960 net/mac80211/util.c:2146
Code: c0 f8 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e f1 06 00 00 8b 7b 08 <48> c7 c6 60 c5 f0 8a bd 02 00 00 00 48 89 fb e8 35 43 c0 f8 83 fb
RSP: 0018:ffffc900122b7a40 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888021e29758 RCX: 0000000000000000
RDX: 1ffff110043c52ec RSI: ffffffff88b8d44f RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff88b8d436 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801f3606c0 R14: 000000000000004c R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0060dc0c8 CR3: 000000007f673000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 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: c0 f8 48 sar $0x48,%al
3: 8d 7b 08 lea 0x8(%rbx),%edi
6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
d: fc ff df
10: 48 89 fa mov %rdi,%rdx
13: 48 c1 ea 03 shr $0x3,%rdx
17: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
1b: 84 c0 test %al,%al
1d: 74 08 je 0x27
1f: 3c 03 cmp $0x3,%al
21: 0f 8e f1 06 00 00 jle 0x718
27: 8b 7b 08 mov 0x8(%rbx),%edi
* 2a: 48 c7 c6 60 c5 f0 8a mov $0xffffffff8af0c560,%rsi <-- trapping instruction
31: bd 02 00 00 00 mov $0x2,%ebp
36: 48 89 fb mov %rdi,%rbx
39: e8 35 43 c0 f8 callq 0xf8c04373
3e: 83 .byte 0x83
3f: fb sti