INFO: task syz.2.2439:15201 blocked for more than 143 seconds.
Not tainted 6.14.0-rc5-syzkaller-g77c95b8c7a16 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.2439 state:D stack:0 pid:15201 tgid:15200 ppid:6589 task_flags:0x400140 flags:0x00000009
Call trace:
__switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x1360/0x257c kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xbc/0x238 kernel/sched/core.c:6857
__wait_on_freeing_inode+0x1b4/0x2bc fs/inode.c:2502
find_inode_fast+0x284/0x410 fs/inode.c:1103
iget_locked+0x124/0x814 fs/inode.c:1475
__ext4_iget+0x1f4/0x3184 fs/ext4/inode.c:4760
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1548 [inline]
ext4_xattr_inode_lookup_create+0x330/0x17b8 fs/ext4/xattr.c:1587
ext4_xattr_ibody_set+0x1b0/0x604 fs/ext4/xattr.c:2269
ext4_xattr_set_handle+0xb64/0x12d0 fs/ext4/xattr.c:2446
ext4_xattr_set+0x224/0x344 fs/ext4/xattr.c:2560
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
__vfs_setxattr_noperm+0x110/0x578 fs/xattr.c:234
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
vfs_setxattr+0x1a8/0x344 fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
filename_setxattr+0x268/0x3fc fs/xattr.c:665
path_setxattrat+0x370/0x41c fs/xattr.c:713
__do_sys_setxattr fs/xattr.c:747 [inline]
__se_sys_setxattr fs/xattr.c:743 [inline]
__arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
INFO: task syz.2.2439:15215 blocked for more than 143 seconds.
Not tainted 6.14.0-rc5-syzkaller-g77c95b8c7a16 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.2439 state:D stack:0 pid:15215 tgid:15200 ppid:6589 task_flags:0x400140 flags:0x00000009
Call trace:
__switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x1360/0x257c kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xbc/0x238 kernel/sched/core.c:6857
mb_cache_entry_wait_unused+0x140/0x228 fs/mbcache.c:148
ext4_evict_ea_inode+0x130/0x2f0 fs/ext4/xattr.c:480
ext4_evict_inode+0x184/0x10e8 fs/ext4/inode.c:185
evict+0x444/0x978 fs/inode.c:796
iput_final fs/inode.c:1946 [inline]
iput+0x740/0x8e8 fs/inode.c:1972
ext4_xattr_ibody_set+0x450/0x604 fs/ext4/xattr.c:2287
ext4_xattr_set_handle+0xb64/0x12d0 fs/ext4/xattr.c:2446
ext4_xattr_set+0x224/0x344 fs/ext4/xattr.c:2560
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
__vfs_setxattr_noperm+0x110/0x578 fs/xattr.c:234
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
vfs_setxattr+0x1a8/0x344 fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
filename_setxattr+0x268/0x3fc fs/xattr.c:665
path_setxattrat+0x370/0x41c fs/xattr.c:713
__do_sys_setxattr fs/xattr.c:747 [inline]
__se_sys_setxattr fs/xattr.c:743 [inline]
__arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffff80008fda22e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336
2 locks held by udevd/6059:
2 locks held by getty/6198:
#0: ffff0000cca8d0a0
(&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80009bcae2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
4 locks held by udevd/6513:
1 lock held by kworker/u8:2/6571:
#0: ffff0001b37c5798 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline]
#0: ffff0001b37c5798 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
#0: ffff0001b37c5798 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1852 [inline]
#0: ffff0001b37c5798 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x257c kernel/sched/core.c:6688
3 locks held by syz.2.2439/15201:
#0: ffff0000d99c0420 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:547
#1: ffff0000eb11ab98 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline]
#1: ffff0000eb11ab98 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320
#2: ffff0000eb11a868 (&ei->xattr_sem){++++}-{4:4}, at: ext4_write_lock_xattr fs/ext4/xattr.h:154 [inline]
#2: ffff0000eb11a868 (&ei->xattr_sem){++++}-{4:4}, at: ext4_xattr_set_handle+0x1dc/0x12d0 fs/ext4/xattr.c:2373
3 locks held by syz.2.2439/15215:
#0: ffff0000d99c0420 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:547
#1: ffff0000dcfae708 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline]
#1: ffff0000dcfae708 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320
#2: ffff0000dcfae3d8 (&ei->xattr_sem){++++}-{4:4}, at: ext4_write_lock_xattr fs/ext4/xattr.h:154 [inline]
#2: ffff0000dcfae3d8 (&ei->xattr_sem){++++}-{4:4}, at: ext4_xattr_set_handle+0x1dc/0x12d0 fs/ext4/xattr.c:2373
1 lock held by syz-executor/17976:
#0: ffff80008fda77f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:334 [inline]
#0: ffff80008fda77f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x324/0x674 kernel/rcu/tree_exp.h:996
1 lock held by udevd/18091:
1 lock held by syz.5.5767/27005:
1 lock held by syz.3.5768/27012:
=============================================