INFO: task kworker/1:1:27 blocked for more than 143 seconds.
Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:26064 pid:27 tgid:27 ppid:2 flags:0x00004000
Workqueue: events_long flush_old_commits
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
reiserfs_sync_fs+0x95/0x140 fs/reiserfs/super.c:76
flush_old_commits+0xf5/0x1f0 fs/reiserfs/super.c:111
process_one_work+0x886/0x15d0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task syz-executor.0:13412 blocked for more than 144 seconds.
Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27360 pid:13412 tgid:13363 ppid:12232 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835
rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
__down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:802 [inline]
process_measurement+0x39e/0x2260 security/integrity/ima/ima_main.c:248
ima_file_check+0xc2/0x110 security/integrity/ima/ima_main.c:557
do_open fs/namei.c:3624 [inline]
path_openat+0x1821/0x2c50 fs/namei.c:3779
do_filp_open+0x1de/0x430 fs/namei.c:3809
do_sys_openat2+0x176/0x1e0 fs/open.c:1440
do_sys_open fs/open.c:1455 [inline]
__do_sys_open fs/open.c:1463 [inline]
__se_sys_open fs/open.c:1459 [inline]
__x64_sys_open+0x154/0x1e0 fs/open.c:1459
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f7fb887cae9
RSP: 002b:00007f7fb71bc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f7fb899c1f0 RCX: 00007f7fb887cae9
RDX: 0000000000000000 RSI: 0000000000145142 RDI: 0000000020007f80
RBP: 00007f7fb88c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7fb899c1f0 R15: 00007ffd281b5af8
Showing all locks held in the system:
4 locks held by kworker/1:1/27:
#0: ffff888013071538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2605
#1: ffffc90000a2fd80 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2606
#2: ffff88801bd120e0 (&type->s_umount_key#25){++++}-{3:3}, at: flush_old_commits+0x79/0x1f0 fs/reiserfs/super.c:97
#3: ffff88808542a090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
1 lock held by khungtaskd/29:
#0: ffffffff8cfabbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8cfabbe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8cfabbe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
4 locks held by kworker/u4:2/42:
2 locks held by kworker/u4:4/66:
#0: ffff888013071938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2605
#1: ffffc900015b7d80 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2606
2 locks held by kworker/u4:12/2943:
#0: ffff888013071938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2605
#1: ffffc9000a657d80 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2606
2 locks held by getty/4820:
#0: ffff88802a63a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1:
ffffc900031232f0
(&ldata->atomic_read_lock){+.+.}-{3:3}
, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.5/5098:
#0: ffffffff8cfb7638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#0: ffffffff8cfb7638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ff/0x800 kernel/rcu/tree_exp.h:996
1 lock held by syz-executor.1/5105:
#0: ffffffff8cfb7638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#0: ffffffff8cfb7638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x6b1/0x800 kernel/rcu/tree_exp.h:996
3 locks held by syz-executor.0/13406:
1 lock held by syz-executor.0/13412:
#0: ffff8880879282e0 (&sb->s_type->i_mutex_key#36){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff8880879282e0 (&sb->s_type->i_mutex_key#36){+.+.}-{3:3}, at: process_measurement+0x39e/0x2260 security/integrity/ima/ima_main.c:248
1 lock held by syz-executor.2/17066:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 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: 17066 Comm: syz-executor.2 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:do_raw_spin_lock+0x38/0x2b0 kernel/locking/spinlock_debug.c:113
Code: 41 56 41 55 41 54 55 53 48 89 fb 48 83 c7 04 48 83 ec 68 48 c7 44 24 08 b3 8a b5 41 48 8d 6c 24 08 48 c7 44 24 10 8c bf 95 8c <48> c1 ed 03 48 c7 44 24 18 90 7f 68 81 48 8d 54 05 00 c7 02 f1 f1
RSP: 0018:ffffc9000a107698 EFLAGS: 00000092
RAX: dffffc0000000000 RBX: ffff8880812e39d0 RCX: ffffffff81672c0e
RDX: 0000000000000001 RSI: ffffffff8accbae0 RDI: ffff8880812e39d4
RBP: ffffc9000a1076a0 R08: 0000000000000000 R09: fffffbfff23e35e3
R10: ffffffff91f1af1f R11: 0000000000000001 R12: ffff8880812e39b8
R13: 0000000000000000 R14: ffff8880812e39b8 R15: ffffc9000a1078d8
FS: 00007fc411b866c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ea3030 CR3: 00000000251ec000 CR4: 0000000000350ef0
Call Trace:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x42/0x50 kernel/locking/spinlock.c:162
__skb_try_recv_datagram+0x141/0x4f0 net/core/datagram.c:263
__unix_dgram_recvmsg+0x1d1/0xee0 net/unix/af_unix.c:2383
unix_dgram_recvmsg+0xc3/0xf0 net/unix/af_unix.c:2485
sock_recvmsg_nosec net/socket.c:1044 [inline]
____sys_recvmsg+0x4ab/0x5c0 net/socket.c:2801
___sys_recvmsg+0x115/0x1a0 net/socket.c:2845
do_recvmmsg+0x2af/0x740 net/socket.c:2939
__sys_recvmmsg net/socket.c:3018 [inline]
__do_sys_recvmmsg net/socket.c:3041 [inline]
__se_sys_recvmmsg net/socket.c:3034 [inline]
__x64_sys_recvmmsg+0x235/0x290 net/socket.c:3034
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fc410e7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc411b860c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc410f9c050 RCX: 00007fc410e7cae9
RDX: 00000000040002db RSI: 0000000020000740 RDI: 0000000000000003
RBP: 00007fc410ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc410f9c050 R15: 00007ffc5aabb0e8