INFO: task kworker/u4:2:33 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00002-gd2d11f342b17 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:2 state:D stack:19448 pid:33 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:0)
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.0:12724 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00002-gd2d11f342b17 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23032 pid:12724 ppid:5106 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: 0033:0x7f9ab9c8c0c9
RSP: 002b:00007f9aba97e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9ab9dabf80 RCX: 00007f9ab9c8c0c9
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f9ab9ce7ae9 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcfb08073f R14: 00007f9aba97e300 R15: 0000000000022000
INFO: task syz-executor.0:12753 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00002-gd2d11f342b17 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26664 pid:12753 ppid:5106 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: 0033:0x7f9ab9c8d5fa
RSP: 002b:00007f9aba95cf88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ab9c8d5fa
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007f9aba95d020 R08: 00007f9aba95d020 R09: 0000000001a484bc
R10: 0000000001a484bc R11: 0000000000000206 R12: 00000000200000c0
R13: 0000000020000100 R14: 00007f9aba95cfe0 R15: 00000000200009c0
Showing all locks held in the system:
3 locks held by kworker/u4:1/11:
#0: ffff8880b983b1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
#1: ffff8880b9828748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x635/0x9d0
#2: ffff88808104cd40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x9f/0x1490
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
1 lock held by khungtaskd/28:
#0: ffffffff8cf26c40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:2/33:
#0: ffff888144d8b138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7eb/0x13e0
#1: ffffc90000aa7d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x835/0x13e0
2 locks held by getty/4755:
#0: ffff8880174dc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1630
4 locks held by syz-executor.0/12724:
#0: ffff88807eba60e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930
#1: ffff88804dab0460 (sb_writers#23){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90
#2: ffff8880349b9d60 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: vfs_removexattr+0xec/0x2b0
#3: ffff8880349b9020 (&type->i_mutex_dir_key#18/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x4f2/0xdc0
2 locks held by syz-executor.0/12753:
#0: ffff88804dab00e0 (&type->s_umount_key#101){++++}-{3:3}, at: path_mount+0xe2a/0x1090
#1: ffff8881469807d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26c/0xa60
1 lock held by syz-executor.2/12924:
#0: ffff88804dab00e0 (&type->s_umount_key#101){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0
1 lock held by syz-executor.2/13069:
#0: ffff88804dab00e0 (&type->s_umount_key#101){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc7-syzkaller-00002-gd2d11f342b17 #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: 5756 Comm: kworker/u4:8 Not tainted 6.2.0-rc7-syzkaller-00002-gd2d11f342b17 #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+0x71a/0x1f80
Code: 41 0f 94 c7 45 00 ff 41 80 c7 02 48 8b 44 24 28 0f b6 04 10 84 c0 0f 85 d5 12 00 00 48 8b 44 24 18 44 3b 20 0f 8d 69 02 00 00 <4d> 63 f4 4b 8d 04 b6 4d 8d ac c5 58 0a 00 00 48 c7 c0 a0 60 a1 91
RSP: 0018:ffffc90009e1f940 EFLAGS: 00000093
RAX: ffff88801f13a770 RBX: ffff88801f13a75c RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffff88801f13a778 RDI: ffffffff9021e180
RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff2043c31
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88801f139d40 R14: ffff88801f13a7e8 R15: 1ffff11003e27404
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00029d000 CR3: 0000000025e3b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x20b/0x600
rcu_lock_acquire+0x2e/0x40
batadv_nc_process_nc_paths+0xb8/0x310
batadv_nc_worker+0x49d/0x580
process_one_work+0x96c/0x13e0
worker_thread+0xa63/0x1210
kthread+0x270/0x300
ret_from_fork+0x1f/0x30