INFO: task syz-executor.4:25593 blocked for more than 143 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28280 pid:25593 ppid: 6887 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4969 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6250
schedule+0xd2/0x260 kernel/sched/core.c:6323
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion_timeout+0x16f/0x280 kernel/sched/completion.c:157
usb_start_wait_urb+0x144/0x4c0 drivers/usb/core/message.c:63
usb_bulk_msg+0x226/0x550 drivers/usb/core/message.c:387
do_proc_bulk+0x3a3/0x750 drivers/usb/core/devio.c:1236
proc_bulk drivers/usb/core/devio.c:1273 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2547 [inline]
usbdev_ioctl+0x586/0x36c0 drivers/usb/core/devio.c:2713
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f466f01dae9
RSP: 002b:00007f466c593188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f466f130f60 RCX: 00007f466f01dae9
RDX: 0000000020000480 RSI: 00000000c0185502 RDI: 0000000000000003
RBP: 00007f466f077f25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f466f664b2f R14: 00007f466c593300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by kworker/u4:0/8:
1 lock held by khungtaskd/27:
#0: ffffffff8b983920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446
1 lock held by in:imklog/6175:
#0: ffff88801deb20f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
3 locks held by kworker/u4:9/10838:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-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:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
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: 10838 Comm: kworker/u4:9 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:_raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:179
Code: be 01 02 00 00 e8 9d 88 0b f8 48 8d 7d 18 45 31 c9 31 c9 ff 74 24 08 41 b8 01 00 00 00 31 d2 31 f6 e8 b1 a1 21 f8 48 89 ef 58 <5d> e9 a7 0c 22 f8 0f 1f 80 00 00 00 00 55 48 89 fd 9c 58 fa f6 c4
RSP: 0018:ffffc90005f8fc10 EFLAGS: 00000282
RAX: ffffffff88d4b97f RBX: ffff88808ac15380 RCX: ffffffff815c902f
RDX: 1ffff110039adc2b RSI: 0000000000000201 RDI: ffff88808ac15380
RBP: ffff88808ac15380 R08: 0000000000000000 R09: ffffffff8fd3bad7
R10: fffffbfff1fa775a R11: 0000000000000000 R12: ffff88802e83d7a8
R13: ffff88802e83cc80 R14: dffffc0000000000 R15: ffffffff88d4bda0
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc3750a000 CR3: 0000000078b4a000 CR4: 00000000003506e0
Call Trace:
spin_lock_bh include/linux/spinlock.h:355 [inline]
batadv_nc_purge_paths+0xdf/0x3a0 net/batman-adv/network-coding.c:446
batadv_nc_worker+0x930/0xfa0 net/batman-adv/network-coding.c:726
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: be 01 02 00 00 mov $0x201,%esi
5: e8 9d 88 0b f8 callq 0xf80b88a7
a: 48 8d 7d 18 lea 0x18(%rbp),%rdi
e: 45 31 c9 xor %r9d,%r9d
11: 31 c9 xor %ecx,%ecx
13: ff 74 24 08 pushq 0x8(%rsp)
17: 41 b8 01 00 00 00 mov $0x1,%r8d
1d: 31 d2 xor %edx,%edx
1f: 31 f6 xor %esi,%esi
21: e8 b1 a1 21 f8 callq 0xf821a1d7
26: 48 89 ef mov %rbp,%rdi
29: 58 pop %rax
* 2a: 5d pop %rbp <-- trapping instruction
2b: e9 a7 0c 22 f8 jmpq 0xf8220cd7
30: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
37: 55 push %rbp
38: 48 89 fd mov %rdi,%rbp
3b: 9c pushfq
3c: 58 pop %rax
3d: fa cli
3e: f6 .byte 0xf6
3f: c4 .byte 0xc4