INFO: task kworker/u4:1:11 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:1 state:D stack:21088 pid:11 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:2)
Call Trace:
__schedule+0x13ca/0x43c0
schedule+0xc3/0x190
queue_log_writer+0x21d/0x310
do_journal_end+0x985/0x4880
reiserfs_write_inode+0x1fd/0x2a0
__writeback_single_inode+0x7f9/0x1550
writeback_sb_inodes+0x965/0x13b0
wb_writeback+0x4db/0x1040
wb_workfn+0x470/0x1110
process_one_work+0x96c/0x13e0
worker_thread+0xa63/0x1210
kthread+0x270/0x300
ret_from_fork+0x1f/0x30
INFO: task syz-executor.2:8298 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:21408 pid:8298 ppid:5108 flags:0x00004006
Call Trace:
__schedule+0x13ca/0x43c0
schedule+0xc3/0x190
bit_wait+0x12/0xc0
__wait_on_bit+0xb7/0x170
inode_wait_for_writeback+0x222/0x2d0
evict+0x277/0x620
reiserfs_xattr_set_handle+0xa38/0xdc0
reiserfs_xattr_set+0x428/0x550
__vfs_removexattr+0x422/0x460
__vfs_removexattr_locked+0x202/0x410
vfs_removexattr+0x103/0x2b0
ovl_get_workdir+0xddf/0x16c0
ovl_fill_super+0x1b8a/0x29c0
mount_nodev+0x56/0xe0
legacy_get_tree+0xef/0x190
vfs_get_tree+0x8c/0x270
do_new_mount+0x28f/0xae0
__se_sys_mount+0x2c9/0x3b0
do_syscall_64+0x41/0xc0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ca2e8c0f9
RSP: 002b:00007f5ca3c79168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5ca2fabf80 RCX: 00007f5ca2e8c0f9
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f5ca2ee7ae9 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe8fe30af R14: 00007f5ca3c79300 R15: 0000000000022000
INFO: task syz-executor.2:8300 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D
stack:27376 pid:8300 ppid:5108 flags:0x00004004
Call Trace:
__schedule+0x13ca/0x43c0
schedule+0xc3/0x190
wb_wait_for_completion+0x154/0x280
sync_inodes_sb+0x28b/0xa60
sync_filesystem+0x16f/0x220
reiserfs_remount+0x1af/0x19f0
reconfigure_super+0x3c9/0x7c0
path_mount+0xe6d/0x1090
__se_sys_mount+0x2c9/0x3b0
do_syscall_64+0x41/0xc0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ca2e8d62a
RSP: 002b:00007f5ca3c57f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ca2e8d62a
RDX: 00000000200001c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007f5ca3c58020 R08: 00007f5ca3c58020 R09: 0000000001a484bc
R10: 0000000001a484bc R11: 0000000000000206 R12: 00000000200001c0
R13: 0000000020000100 R14: 00007f5ca3c57fe0 R15: 0000000020000740
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
#0: ffff888144b33138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7eb/0x13e0
#1: ffffc90000107d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x835/0x13e0
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf26e10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf27610 (rcu_tasks_trace.tasks_gp_mutex
){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0
3 locks held by kworker/0:1/14:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7eb/0x13e0
#1: ffffc90000137d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x835/0x13e0
#2: ffffffff8cf2c278 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x389/0x860
1 lock held by khungtaskd/28:
#0: ffffffff8cf26c40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:2/35:
1 lock held by udevd/4435:
2 locks held by kworker/0:3/4451:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7eb/0x13e0
#1: ffffc9000324fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x835/0x13e0
2 locks held by getty/4746:
#0: ffff888027461098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1630
2 locks held by syz-executor.1/5098:
#0: ffff8880859720e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xad/0xf0
#1: ffffffff8cf2c278 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x458/0x860
4 locks held by syz-executor.2/8298:
#0: ffff88807e9200e0 (&type->s_umount_key#47/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930
#1: ffff88803264c460 (sb_writers#25){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90
#2: ffff888072b1b140 (&type->i_mutex_dir_key#20){++++}-{3:3}, at: vfs_removexattr+0xec/0x2b0
#3: ffff888072b1c520 (&type->i_mutex_dir_key#20/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x4f2/0xdc0
2 locks held by syz-executor.2/8300:
#0: ffff88803264c0e0 (&type->s_umount_key#80){++++}-{3:3}, at: path_mount+0xe2a/0x1090
#1: ffff88801eedc7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26c/0xa60
1 lock held by syz-executor.4/12172:
#0: ffff8880b983b1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
dump_stack_lvl+0x1b5/0x2a0
nmi_cpu_backtrace+0x47b/0x500
nmi_trigger_cpumask_backtrace+0x1d3/0x430
watchdog+0xf70/0xfb0
kthread+0x270/0x300
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7038 Comm: kworker/u4:7 Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:lock_acquire+0x9b/0x600
Code: ec 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4b 89 04 2c 43 c7 44 2c 09 f2 f2 f2 00 43 c7 44 2c 11 f3 f3 f3 f3 66 43 c7 44 2c 15 f3 f3 <43> c6 44 2c 17 f3 0f 1f 44 00 00 65 8b 1d 7f be 99 7e 48 c7 c0 f8
RSP: 0018:ffffc9000369fa80 EFLAGS: 00000a02
RAX: f2f2f200f1f1f1f1 RBX: ffff88802d4d06e8 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cf26c40
RBP: ffffc9000369fbd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920006d3f58
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f920cf33000 CR3: 000000007de6e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_acquire+0x2e/0x40
batadv_nc_worker+0xca/0x580
process_one_work+0x96c/0x13e0
worker_thread+0xa63/0x1210
kthread+0x270/0x300
ret_from_fork+0x1f/0x30