INFO: task syz-executor.2:8039 blocked for more than 144 seconds.
Not tainted 5.15.107-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack: 0 pid: 8039 ppid: 4112 flags:0x00000001
Call trace:
__switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0xf10/0x1e38 kernel/sched/core.c:6372
schedule+0x11c/0x1c8 kernel/sched/core.c:6455
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6514
rwsem_down_read_slowpath+0x5b0/0x988 kernel/locking/rwsem.c:1047
__down_read_common+0x6c/0x2dc kernel/locking/rwsem.c:1231
__down_read kernel/locking/rwsem.c:1244 [inline]
down_read+0xc8/0x11c kernel/locking/rwsem.c:1490
inode_lock_shared include/linux/fs.h:797 [inline]
lookup_slow+0x50/0x84 fs/namei.c:1675
walk_component+0x394/0x4cc fs/namei.c:1972
lookup_last fs/namei.c:2427 [inline]
path_lookupat+0x13c/0x3d0 fs/namei.c:2451
filename_lookup+0x1c4/0x4c8 fs/namei.c:2480
user_path_at_empty+0x5c/0x1a4 fs/namei.c:2853
user_path_at include/linux/namei.h:57 [inline]
vfs_statx+0xf8/0x378 fs/stat.c:221
vfs_fstatat fs/stat.c:243 [inline]
__do_sys_newfstatat fs/stat.c:411 [inline]
__se_sys_newfstatat fs/stat.c:405 [inline]
__arm64_sys_newfstatat+0x110/0x194 fs/stat.c:405
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz-executor.2:8040 blocked for more than 144 seconds.
Not tainted 5.15.107-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack: 0 pid: 8040 ppid: 4112 flags:0x00000001
Call trace:
__switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0xf10/0x1e38 kernel/sched/core.c:6372
schedule+0x11c/0x1c8 kernel/sched/core.c:6455
xlog_grant_head_wait+0x390/0xa88 fs/xfs/xfs_log.c:256
xlog_grant_head_check+0x218/0x3d8
xfs_log_reserve+0x384/0xc1c fs/xfs/xfs_log.c:464
xfs_trans_reserve+0x1e8/0x5a4 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x4c4/0xaa4 fs/xfs/xfs_trans.c:288
xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
xfs_create+0x578/0xfec fs/xfs/xfs_inode.c:1018
xfs_generic_create+0x390/0xb70 fs/xfs/xfs_iops.c:197
xfs_vn_create+0x44/0x58 fs/xfs/xfs_iops.c:275
lookup_open fs/namei.c:3392 [inline]
open_last_lookups fs/namei.c:3462 [inline]
path_openat+0xec0/0x26f0 fs/namei.c:3669
do_filp_open+0x1a8/0x3b4 fs/namei.c:3699
do_sys_openat2+0x128/0x3d8 fs/open.c:1211
do_sys_open fs/open.c:1227 [inline]
__do_sys_openat fs/open.c:1243 [inline]
__se_sys_openat fs/open.c:1238 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1238
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffff800014aa1660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268
2 locks held by getty/3738:
#0: ffff0000d3e4a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
#1: ffff80001a30b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147
2 locks held by kworker/u4:16/5673:
1 lock held by syz-executor.2/8039:
#0: ffff000123b46480 (&inode->i_sb->s_type->i_mutex_dir_key#2){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:797 [inline]
#0: ffff000123b46480 (&inode->i_sb->s_type->i_mutex_dir_key#2){++++}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1675
3 locks held by syz-executor.2/8040:
#0: ffff000126f52460 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff000123b46480 (&inode->i_sb->s_type->i_mutex_dir_key#2){++++}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
#1: ffff000123b46480 (&inode->i_sb->s_type->i_mutex_dir_key#2){++++}-{3:3}, at: open_last_lookups fs/namei.c:3459 [inline]
#1: ffff000123b46480 (&inode->i_sb->s_type->i_mutex_dir_key#2){++++}-{3:3}, at: path_openat+0x63c/0x26f0 fs/namei.c:3669
#2: ffff000126f52650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
1 lock held by syz-executor.4/11205:
=============================================