INFO: task syz-executor.4:4352 blocked for more than 143 seconds.
Not tainted 6.1.90-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:0 pid:4352 ppid:4246 flags:0x00000005
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0xee4/0x1c98 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
d_wait_lookup+0x1a0/0x27c fs/dcache.c:2626
d_alloc_parallel+0x9b0/0x1184 fs/dcache.c:2708
__lookup_slow+0x108/0x374 fs/namei.c:1675
lookup_slow+0x60/0x84 fs/namei.c:1707
walk_component fs/namei.c:1998 [inline]
link_path_walk+0x830/0xcc8 fs/namei.c:2325
path_openat+0x1c8/0x2548 fs/namei.c:3781
do_filp_open+0x1bc/0x3cc fs/namei.c:3812
do_sys_openat2+0x128/0x3d8 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor.4:4353 blocked for more than 143 seconds.
Not tainted 6.1.90-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:0 pid:4353 ppid:4246 flags:0x00000005
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0xee4/0x1c98 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
d_wait_lookup+0x1a0/0x27c fs/dcache.c:2626
d_alloc_parallel+0x9b0/0x1184 fs/dcache.c:2708
__lookup_slow+0x108/0x374 fs/namei.c:1675
lookup_slow+0x60/0x84 fs/namei.c:1707
walk_component fs/namei.c:1998 [inline]
link_path_walk+0x830/0xcc8 fs/namei.c:2325
path_openat+0x1c8/0x2548 fs/namei.c:3781
do_filp_open+0x1bc/0x3cc fs/namei.c:3812
do_sys_openat2+0x128/0x3d8 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015a14e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
#0: ffff800015a15670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/28:
#0: ffff800015a14ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
2 locks held by getty/3986:
#0: ffff0000d7760098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001bcc02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2188
2 locks held by syz-executor.4/4348:
#0: ffff0000de2839e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x124/0x16c fs/file.c:1062
#1: ffff0000f22a0188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: iterate_dir+0x108/0x4e4 fs/readdir.c:55
1 lock held by syz-executor.4/4349:
1 lock held by syz-executor.4/4352:
#0: ffff0000f22a0188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff0000f22a0188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1706
1 lock held by syz-executor.4/4353:
#0: ffff0000f22a0188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff0000f22a0188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1706
4 locks held by syz-executor.0/6342:
#0: ffff0000f6c380e0 (&type->s_umount_key#24/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228
#1: ffff8000204690f0 (&journal->j_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#1: ffff8000204690f0 (&journal->j_mutex){+.+.}-{3:3}, at: lock_journal fs/reiserfs/journal.c:534 [inline]
#1: ffff8000204690f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x3c6c fs/reiserfs/journal.c:4029
#2: ffff800020469180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#2: ffff800020469180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x168/0x18e0 fs/reiserfs/journal.c:1369
#3: ffff0000fe623490 (&jl->j_commit_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#3: ffff0000fe623490 (&jl->j_commit_mutex){+.+.}-{3:3}, at: flush_commit_list+0x568/0x18d4 fs/reiserfs/journal.c:1007
1 lock held by syz-executor.0/7528:
#0: ffff0000f6c380e0 (&type->s_umount_key#50){++++}-{3:3}, at: user_get_super+0x11c/0x240 fs/super.c:878
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