INFO: task syz.0.130:4740 blocked for more than 143 seconds.
Tainted: G W 6.1.121-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.130 state:D stack:0 pid:4740 ppid:4295 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
rwsem_down_read_slowpath+0x534/0x858 kernel/locking/rwsem.c:1094
__down_read_common kernel/locking/rwsem.c:1261 [inline]
__down_read kernel/locking/rwsem.c:1274 [inline]
down_read+0xac/0x308 kernel/locking/rwsem.c:1522
inode_lock_shared include/linux/fs.h:768 [inline]
lookup_slow+0x50/0x84 fs/namei.c:1706
walk_component+0x280/0x36c fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x13c/0x3d0 fs/namei.c:2479
do_o_path+0xa8/0x214 fs/namei.c:3754
path_openat+0x203c/0x2548 fs/namei.c:3776
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 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+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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.0.130:4762 blocked for more than 143 seconds.
Tainted: G W 6.1.121-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.130 state:D stack:0 pid:4762 ppid:4295 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
rwsem_down_read_slowpath+0x534/0x858 kernel/locking/rwsem.c:1094
__down_read_common kernel/locking/rwsem.c:1261 [inline]
__down_read kernel/locking/rwsem.c:1274 [inline]
down_read+0xac/0x308 kernel/locking/rwsem.c:1522
inode_lock_shared include/linux/fs.h:768 [inline]
open_last_lookups fs/namei.c:3549 [inline]
path_openat+0x5dc/0x2548 fs/namei.c:3780
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 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+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 kernel/rcu/tasks.h:543
1 lock held by rcu_tasks_trace/13:
#0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 kernel/rcu/tasks.h:543
1 lock held by khungtaskd/28:
#0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
2 locks held by kworker/u4:5/1614:
2 locks held by getty/4057:
#0: ffff0000d65c9098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001d8102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198
1 lock held by syz.0.130/4732:
1 lock held by syz.0.130/4740:
#0: ffff0000f5a70188 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff0000f5a70188 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1706
1 lock held by syz.0.130/4762:
#0: ffff0000f5a70188 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff0000f5a70188 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3549 [inline]
#0: ffff0000f5a70188 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: path_openat+0x5dc/0x2548 fs/namei.c:3780
1 lock held by syz.7.784/7743:
3 locks held by syz.5.786/7746:
=============================================