INFO: task jbd2/sda1-8:2365 blocked for more than 143 seconds.
Not tainted 6.10.0-rc2-syzkaller-00024-g5821bf2dffbe #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:26416 pid:2365 tgid:2365 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
io_schedule+0xbf/0x130 kernel/sched/core.c:9043
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
__wait_on_buffer+0x64/0x70 fs/buffer.c:123
wait_on_buffer include/linux/buffer_head.h:415 [inline]
journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline]
jbd2_journal_commit_transaction+0x4827/0x65d0 fs/jbd2/commit.c:887
kjournald2+0x1f8/0x8f0 fs/jbd2/journal.c:201
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
6 locks held by kworker/1:0/24:
1 lock held by khungtaskd/30:
#0:
ffffffff886b4620
(rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
7 locks held by kworker/1:1/42:
4 locks held by kworker/1:2/724:
1 lock held by udevd/2402:
#0:
ffff888100aae948
(
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
2 locks held by getty/2460:
#0: ffff8881073170a0
(&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0
(
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.1/2524:
#0:
ffff888100aae948
(&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
1 lock held by syz-executor.2/2525:
1 lock held by syz-executor.3/2528:
1 lock held by syz-executor.0/2532:
3 locks held by kworker/1:3/4796:
4 locks held by udevd/4805:
#0:
ffff888118c4a2f0
(&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
#1: ffff888116220088
(&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2:
ffff8881119343c8
(kn->active
#18){.+.+}-{0:0}
, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3:
ffff8881102a1190
(
&dev->mutex
){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
6 locks held by kworker/0:4/4833:
1 lock held by syz-executor.4/4943:
#0: ffffffff886bfdb8
(
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:291
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00024-g5821bf2dffbe #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf86/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
NMI backtrace for cpu 1
CPU: 1 PID: 2525 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00024-g5821bf2dffbe #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:preempt_count_sub+0x3b/0x160 kernel/sched/core.c:5897
Code: 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 df 00 00 00 8b 0d 85 dc 33 0c <85> c9 75 1b 65 8b 05 42 6c dd 7e 89 c2 81 e2 ff ff ff 7f 39 d3 7f
RSP: 0000:ffffc900001b86e8 EFLAGS: 00000097
RAX: 0000000000000003 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000004 RDI: 0000000000000001
RBP: dffffc0000000000 R08: 0000000000000000 R09: fffffbfff10b8370
R10: ffffffff885c1b83 R11: 0000000000000004 R12: 0000000000000000
R13: ffffffff88b81658 R14: ffffffff88b81600 R15: ffffc900001b8840
FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba4961ded3 CR3: 000000012da04000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x28/0x50 kernel/locking/spinlock.c:186
console_lock_spinning_enable kernel/printk/printk.c:1866 [inline]
console_emit_next_record kernel/printk/printk.c:2922 [inline]
console_flush_all+0x4ec/0xd70 kernel/printk/printk.c:2994
console_unlock+0xae/0x290 kernel/printk/printk.c:3063
vprintk_emit kernel/printk/printk.c:2345 [inline]
vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2300
dev_vprintk_emit drivers/base/core.c:4951 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4962
__dev_printk+0xf5/0x270 drivers/base/core.c:4974
_dev_err+0xe5/0x120 drivers/base/core.c:5017
urb_ctl_callback+0x1eb/0x2f0 drivers/input/misc/yealink.c:454
__usb_hcd_giveback_urb+0x364/0x5c0 drivers/usb/core/hcd.c:1648
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1732
dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x8b/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 76 2c 9c fa 48 89 df e8 5e a9 9c fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 95 1f 91 fa 65 8b 05 16 8c 6e 79 85 c0 74 16 5b
RSP: 0000:ffffc9000155f8c8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff88811a068850 RCX: 1ffffffff199cb04
RDX: 0000000000000000 RSI: ffffffff86c7d6a0 RDI: ffffffff86e78600
RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff19989a6
R10: ffffffff8ccc4d37 R11: 0000000000000003 R12: 0000000000000005
R13: dffffc0000000000 R14: ffff8881f6537db0 R15: ffff8881f6537de0
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
unlock_page_lruvec_irqrestore include/linux/memcontrol.h:1636 [inline]
folio_lruvec_relock_irqsave include/linux/memcontrol.h:1669 [inline]
folio_batch_move_lru+0x21d/0x400 mm/swap.c:219
lru_add_drain_cpu+0x534/0x860 mm/swap.c:657
lru_add_drain+0x109/0x440 mm/swap.c:757
exit_mmap+0x18b/0xb20 mm/mmap.c:3336
__mmput kernel/fork.c:1346 [inline]
mmput+0xdb/0x420 kernel/fork.c:1368
exit_mm kernel/exit.c:565 [inline]
do_exit+0x9b7/0x2b20 kernel/exit.c:861
do_group_exit+0xd3/0x2a0 kernel/exit.c:1023
get_signal+0x2618/0x2710 kernel/signal.c:2909
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x141/0x250 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffb5af27901
Code: Unable to access opcode bytes at 0x7ffb5af278d7.
RSP: 002b:00007ffc451fd3e0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: fffffffffffffffe RBX: 0000000000000015 RCX: 00007ffb5af27901
RDX: 0000000000090800 RSI: 00007ffb5af846da RDI: 00000000ffffff9c
RBP: 00007ffc451fd49c R08: 000000000000448e R09: 00007ffb5b035080
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 0000000000018138 R14: 0000000000018138 R15: 0000000000000000