INFO: task syz-executor.0:11902 blocked for more than 143 seconds.
Not tainted 5.17.0-rc4-syzkaller-00020-g705d84a366cf #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28496 pid:11902 ppid: 3630 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6296
schedule+0x12b/0x1f0 kernel/sched/core.c:6369
rwsem_down_write_slowpath+0xdb7/0x1480 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write_nested+0x16f/0x180 kernel/locking/rwsem.c:1625
lock_rename+0x182/0x1a0
do_renameat2+0x75d/0x1450 fs/namei.c:4769
__do_sys_rename fs/namei.c:4874 [inline]
__se_sys_rename fs/namei.c:4872 [inline]
__x64_sys_rename+0x82/0x90 fs/namei.c:4872
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f203c00b059
RSP: 002b:00007f203a93e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f203c11e100 RCX: 00007f203c00b059
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000080
RBP: 00007f203c06508d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff59ce12cf R14: 00007f203a93e300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8cb1d460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3274:
#0: ffff8880238fb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2077
2 locks held by syz-executor.0/11897:
2 locks held by syz-executor.0/11902:
#0: ffff88802a674460 (sb_writers#17){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88802af82c10 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: lock_rename+0x182/0x1a0
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc4-syzkaller-00020-g705d84a366cf #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:377
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 962 Comm: kworker/u4:4 Not tainted 5.17.0-rc4-syzkaller-00020-g705d84a366cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bond2 bond_alb_monitor
RIP: 0010:rcu_read_lock_sched_held+0xbb/0x130 kernel/rcu/update.c:126
Code: 00 00 48 c7 04 24 0e 36 e0 45 49 c7 04 1e 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 48 75 6d 44 89 f8 48 8d 65 e0 5b <41> 5c 41 5e 41 5f 5d c3 65 8b 05 ce 4a 93 7e 41 bf 01 00 00 00 a9
RSP: 0018:ffffc900050df9d0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000080000002
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc900050df9e8 R08: dffffc0000000000 R09: fffffbfff1c00866
R10: fffffbfff1c00866 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000a1bf50 R14: dffffc0000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558ae6a24680 CR3: 0000000025033000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_lock_acquire+0x59/0x190 include/trace/events/lock.h:13
lock_acquire+0xa5/0x4d0 kernel/locking/lockdep.c:5610
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
process_one_work+0x97b/0x1190 kernel/workqueue.c:2335
worker_thread+0xab1/0x1300 kernel/workqueue.c:2454
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 c7 04 24 0e 36 e0 movq $0x45e0360e,(%rsp)
9: 45
a: 49 c7 04 1e 00 00 00 movq $0x0,(%r14,%rbx,1)
11: 00
12: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
19: 00 00
1b: 48 3b 44 24 48 cmp 0x48(%rsp),%rax
20: 75 6d jne 0x8f
22: 44 89 f8 mov %r15d,%eax
25: 48 8d 65 e0 lea -0x20(%rbp),%rsp
29: 5b pop %rbx
* 2a: 41 5c pop %r12 <-- trapping instruction
2c: 41 5e pop %r14
2e: 41 5f pop %r15
30: 5d pop %rbp
31: c3 retq
32: 65 8b 05 ce 4a 93 7e mov %gs:0x7e934ace(%rip),%eax # 0x7e934b07
39: 41 bf 01 00 00 00 mov $0x1,%r15d
3f: a9 .byte 0xa9