INFO: task syz-executor.1:7378 blocked for more than 143 seconds.
Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28944 pid:7378 tgid:7364 ppid:5116 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:801 [inline]
lookup_slow fs/namei.c:1708 [inline]
walk_component+0x342/0x5b0 fs/namei.c:2004
link_path_walk.part.0.constprop.0+0x77f/0xcd0 fs/namei.c:2331
link_path_walk fs/namei.c:2256 [inline]
path_parentat+0xaa/0x1b0 fs/namei.c:2540
__filename_parentat+0x1f0/0x630 fs/namei.c:2564
filename_parentat fs/namei.c:2582 [inline]
filename_create+0xba/0x530 fs/namei.c:3881
do_mkdirat+0xab/0x3a0 fs/namei.c:4146
__do_sys_mkdirat fs/namei.c:4169 [inline]
__se_sys_mkdirat fs/namei.c:4167 [inline]
__x64_sys_mkdirat+0x114/0x170 fs/namei.c:4167
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2ed47cee9
RSP: 002b:00007fd2ee16b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fd2ed5b4070 RCX: 00007fd2ed47cee9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: ffffffffffffff9c
RBP: 00007fd2ed4c947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fd2ed5b4070 R15: 00007ffeb3b129b8
INFO: task syz-executor.1:7380 blocked for more than 144 seconds.
Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29184 pid:7380 tgid:7364 ppid:5116 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:801 [inline]
lookup_slow fs/namei.c:1708 [inline]
walk_component+0x342/0x5b0 fs/namei.c:2004
link_path_walk.part.0.constprop.0+0x77f/0xcd0 fs/namei.c:2331
link_path_walk fs/namei.c:2256 [inline]
path_parentat+0xaa/0x1b0 fs/namei.c:2540
__filename_parentat+0x1f0/0x630 fs/namei.c:2564
filename_parentat fs/namei.c:2582 [inline]
filename_create+0xba/0x530 fs/namei.c:3881
do_mkdirat+0xab/0x3a0 fs/namei.c:4146
__do_sys_mkdirat fs/namei.c:4169 [inline]
__se_sys_mkdirat fs/namei.c:4167 [inline]
__x64_sys_mkdirat+0x114/0x170 fs/namei.c:4167
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2ed47cee9
RSP: 002b:00007fd2ee14a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fd2ed5b4140 RCX: 00007fd2ed47cee9
RDX: 0000000000000000 RSI: 0000000020000240 RDI: ffffffffffffff9c
RBP: 00007fd2ed4c947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fd2ed5b4140 R15: 00007ffeb3b129b8
Showing all locks held in the system:
3 locks held by kworker/u8:1/12:
2 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by getty/4841:
#0: ffff88802ef280a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/1:3/5159:
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc90003fffd80 (free_ipc_work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2: ffffffff8dbbd078 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:323