INFO: task kworker/1:1H:94 blocked for more than 143 seconds.
Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1H state:D stack:25632 pid:94 ppid:2 flags:0x00004000
Workqueue: xfs-log/loop4 xlog_ioend_work
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
___down_common+0x33e/0x5e0 kernel/locking/semaphore.c:225
__down_common+0x64/0x250 kernel/locking/semaphore.c:246
down+0x84/0xc0 kernel/locking/semaphore.c:63
xfs_buf_lock+0x154/0x4b0 fs/xfs/xfs_buf.c:1119
xfs_buf_item_unpin+0x1cd/0x6c0 fs/xfs/xfs_buf_item.c:581
xfs_trans_committed_bulk+0x346/0x830 fs/xfs/xfs_trans.c:808
xlog_cil_committed+0x26d/0xe40 fs/xfs/xfs_log_cil.c:795
xlog_cil_process_committed+0x159/0x1a0 fs/xfs/xfs_log_cil.c:823
xlog_state_shutdown_callbacks+0x2ba/0x3b0 fs/xfs/xfs_log.c:538
xlog_force_shutdown+0x32c/0x390 fs/xfs/xfs_log.c:3837
xlog_ioend_work+0xad/0x100 fs/xfs/xfs_log.c:1429
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.4:11129 blocked for more than 144 seconds.
Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23456 pid:11129 ppid:5043 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
xlog_wait+0x16e/0x1e0 fs/xfs/xfs_log_priv.h:617
xlog_wait_on_iclog+0x307/0x4e0 fs/xfs/xfs_log.c:926
xfs_log_force_seq+0x1da/0x450 fs/xfs/xfs_log.c:3409
__xfs_trans_commit+0xb38/0x11d0 fs/xfs/xfs_trans.c:1021
xfs_attr_set+0x1144/0x1670 fs/xfs/libxfs/xfs_attr.c:1083
xfs_initxattrs+0x272/0x3b0 fs/xfs/xfs_iops.c:65
security_inode_init_security+0x2df/0x3f0 security/security.c:1630
xfs_inode_init_security fs/xfs/xfs_iops.c:84 [inline]
xfs_generic_create+0x4f6/0xd70 fs/xfs/xfs_iops.c:210
lookup_open fs/namei.c:3492 [inline]
open_last_lookups fs/namei.c:3560 [inline]
path_openat+0x13df/0x3170 fs/namei.c:3788
do_filp_open+0x234/0x490 fs/namei.c:3818
do_sys_openat2+0x13f/0x500 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_openat fs/open.c:1388 [inline]
__se_sys_openat fs/open.c:1383 [inline]
__x64_sys_openat+0x247/0x290 fs/open.c:1383
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14b668c199
RSP: 002b:00007f14b51fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f14b67abf80 RCX: 00007f14b668c199
RDX: 000000000000275a RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f14b66e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1e3b496f R14: 00007f14b51fe300 R15: 0000000000022000
INFO: task syz-executor.4:11174 blocked for more than 145 seconds.
Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26912 pid:11174 ppid:5043 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
xlog_wait+0x16e/0x1e0 fs/xfs/xfs_log_priv.h:617
xlog_force_lsn+0x512/0x770 fs/xfs/xfs_log.c:3340
xfs_log_force_seq+0x1da/0x450 fs/xfs/xfs_log.c:3409
__xfs_trans_commit+0xb38/0x11d0 fs/xfs/xfs_trans.c:1021
xfs_sync_sb_buf+0x14f/0x1e0 fs/xfs/libxfs/xfs_sb.c:1112
xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1801 [inline]
xfs_file_ioctl+0x1313/0x16a0 fs/xfs/xfs_ioctl.c:1899
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14b668c199
RSP: 002b:00007f14aeddd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f14b67ac050 RCX: 00007f14b668c199
RDX: 0000000020000000 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007f14b66e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1e3b496f R14: 00007f14aeddd300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf276f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf27ab0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/1:1H/94:
#0: ffff88807bcc4538 ((wq_completion)xfs-log/loop4){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc9000251fd20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
2 locks held by getty/4755:
#0: ffff888028bc5098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
3 locks held by syz-executor.2/5028:
#0: ffff8880824e40e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:361
#1: ffff8880b983c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#2: ffff8880b98295d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999
2 locks held by kworker/u4:8/5308:
3 locks held by kworker/1:5/27403:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc900031ffd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
#2: ffffffff8cf2cbf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#2: ffffffff8cf2cbf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:992
2 locks held by kworker/0:0/29808:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc9000b62fd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
3 locks held by kworker/0:3/29810:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc9000b837d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
#2: ffffffff8cf2cbf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#2: ffffffff8cf2cbf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:992
5 locks held by syz-executor.5/2801:
2 locks held by kworker/0:7/3914:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc90005bc7d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
3 locks held by syz-executor.4/11129:
#0: ffff88801f182460 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394
#1: ffff888033403978 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff888033403978 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3557 [inline]
#1: ffff888033403978 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7ba/0x3170 fs/namei.c:3788
#2: ffff888033404e98 (&xfs_nondir_ilock_class#3){++++}-{3:3}, at: xfs_trans_alloc_inode+0x165/0x460 fs/xfs/xfs_trans.c:1204
1 lock held by syz-executor.4/11174:
#0: ffff88801f182460 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x1f0 fs/namespace.c:438
2 locks held by syz-executor.0/13144:
1 lock held by syz-executor.3/13149:
#0: ffff8880809900e0 (&type->s_umount_key#58/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930 fs/super.c:228
1 lock held by syz-executor.4/13159:
#0: ffff8880b983c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
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+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 65 Comm: kworker/u4:4 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:119 [inline]
RIP: 0010:lock_release+0xf3/0x9d0 kernel/locking/lockdep.c:5718
Code: c0 84 0a 56 8e 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 e1 05 00 00 83 3d ce ce ea 0c 00 0f 84 3f 05 00 00 65 8b 05 35 4d 97 7e <85> c0 0f 85 30 05 00 00 65 48 8b 05 ed 7b 98 7e 48 89 44 24 18 48
RSP: 0018:ffffc90001587ac0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff816b3b80
RDX: 0000000000000000 RSI: ffffffff8b384620 RDI: ffffffff8b3845e0
RBP: ffffc90001587be8 R08: dffffc0000000000 R09: fffffbfff1cababe
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920002b0f64
R13: ffffffff8a802335 R14: ffff888030be0c80 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb2621f4000 CR3: 000000002cc0c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:806 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x23d/0x5c0 net/batman-adv/network-coding.c:719
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308