INFO: task syz-executor.2:25093 blocked for more than 163 seconds.
Not tainted 6.7.0-syzkaller-12991-g7a396820222d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25968 pid:25093 tgid:25092 ppid:5073 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
request_wait_answer fs/fuse/dev.c:407 [inline]
__fuse_request_send fs/fuse/dev.c:426 [inline]
fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
fuse_send_open fs/fuse/file.c:50 [inline]
fuse_file_open+0x50d/0xb60 fs/fuse/file.c:147
fuse_do_open fs/fuse/file.c:174 [inline]
fuse_open_common+0x2fe/0x680 fs/fuse/file.c:253
do_dentry_open+0x8ff/0x1590 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x2823/0x31e0 fs/namei.c:3798
do_filp_open+0x234/0x490 fs/namei.c:3825
do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x247/0x290 fs/open.c:1430
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7faaf487b9a0
RSP: 002b:00007faaf56c3e80 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000010000 RCX: 00007faaf487b9a0
RDX: 0000000000010000 RSI: 00000000200000c0 RDI: 00000000ffffff9c
RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000200000c0
R13: 00007faaf56c3f40 R14: 0000000000000000 R15: 00000000200024c0
Showing all locks held in the system:
2 locks held by ksoftirqd/0/16:
#0: ffff8880b983c918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9828988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
1 lock held by khungtaskd/30:
#0: ffffffff8d92ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d92ef20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d92ef20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by udevd/4503:
2 locks held by getty/4806:
#0: ffff888029d040a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
4 locks held by kworker/0:5/25442:
#0: ffff8880b983c918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9828988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffff8880b9829898 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999
#3: ffffffff9281c1b0 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x16d/0x510 lib/debugobjects.c:708
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.7.0-syzkaller-12991-g7a396820222d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 17000 Comm: kdamond.0 Not tainted 6.7.0-syzkaller-12991-g7a396820222d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:mark_usage kernel/locking/lockdep.c:4552 [inline]
RIP: 0010:__lock_acquire+0xb08/0x1fd0 kernel/locking/lockdep.c:5091
Code: 04 10 84 c0 0f 85 58 11 00 00 83 3d 71 c8 94 0d 00 0f 84 ee 08 00 00 45 85 e4 48 8b 6c 24 48 0f 84 f6 00 00 00 41 0f b6 04 16 <84> c0 0f 85 82 0d 00 00 41 8b 0f f7 c1 00 80 00 00 0f 85 bf 00 00
RSP: 0018:ffffc90004bc75b0 EFLAGS: 00000002
RAX: 0000000000000000 RBX: ffffffff90ae1225 RCX: ffffffff816d96e9
RDX: dffffc0000000000 RSI: ffff88807c432880 RDI: ffffffff90df73e8
RBP: ffff88807c4328a8 R08: ffffffff90df73ef R09: 1ffffffff21bee7d
R10: dffffc0000000000 R11: fffffbfff21bee7e R12: 0000000000000001
R13: ffff88807c431dc0 R14: 1ffff1100f886519 R15: ffff88807c4328c8
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f85b7179bf8 CR3: 000000000d732000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
seqcount_lockdep_reader_access+0xfc/0x220 include/linux/seqlock.h:72
timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
ktime_get+0x83/0x270 kernel/time/timekeeping.c:848
clockevents_program_event+0xe6/0x340 kernel/time/clockevents.c:326
hrtimer_start_range_ns+0xab6/0xc50 kernel/time/hrtimer.c:1302
hrtimer_start_expires include/linux/hrtimer.h:392 [inline]
hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1968 [inline]
schedule_hrtimeout_range_clock+0x276/0x480 kernel/time/hrtimer.c:2305
usleep_range_state+0x13f/0x1c0 kernel/time/timer.c:2379
usleep_idle_range include/linux/delay.h:73 [inline]
kdamond_usleep mm/damon/core.c:1428 [inline]
kdamond_fn+0x107f/0x6a60 mm/damon/core.c:1522
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242