INFO: task syz-executor.5:28853 blocked for more than 143 seconds.
Not tainted 6.1.54-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:28853 ppid:4271 flags:0x00000005
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xee4/0x1c98 kernel/sched/core.c:6554
schedule+0xc4/0x170 kernel/sched/core.c:6630
rwsem_down_write_slowpath+0xc80/0x156c kernel/locking/rwsem.c:1189
__down_write_common kernel/locking/rwsem.c:1314 [inline]
__down_write kernel/locking/rwsem.c:1323 [inline]
down_write_nested+0x90/0x94 kernel/locking/rwsem.c:1690
inode_lock_nested include/linux/fs.h:791 [inline]
lock_rename+0xdc/0x198 fs/namei.c:2990
do_renameat2+0x49c/0x1040 fs/namei.c:4876
__do_sys_renameat2 fs/namei.c:4968 [inline]
__se_sys_renameat2 fs/namei.c:4965 [inline]
__arm64_sys_renameat2+0xe0/0xfc fs/namei.c:4965
__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:581
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015a84ef0 (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: ffff800015a856f0 (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: ffff800015a84d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:305
2 locks held by kworker/u4:5/1581:
1 lock held by udevd/3843:
2 locks held by getty/3986:
#0: ffff0000d6246098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001bd502f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2188
4 locks held by kworker/u4:19/20474:
2 locks held by syz-executor.5/28847:
2 locks held by syz-executor.5/28853:
#0: ffff00013f3be460 (sb_writers#17){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:393
#1: ffff0000df561180 (&type->i_mutex_dir_key#12/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff0000df561180 (&type->i_mutex_dir_key#12/1){+.+.}-{3:3}, at: lock_rename+0xdc/0x198 fs/namei.c:2990
1 lock held by syz-executor.0/2020:
#0: ffff0001636f9130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:944 [inline]
#0: ffff0001636f9130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: send_break+0xc4/0x2f4 drivers/tty/tty_io.c:2478
1 lock held by syz-executor.4/2044:
#0: ffff000160a78210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#0: ffff000160a78210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release net/socket.c:651 [inline]
#0: ffff000160a78210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x80/0x1fc net/socket.c:1370
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