INFO: task syz-executor.2:7871 blocked for more than 145 seconds.
Not tainted 6.2.0-syzkaller-18302-g596b6b709632 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:0 pid:7871 ppid:5956 flags:0x00000009
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xfc8/0x1d64 kernel/sched/core.c:6609
schedule+0xc4/0x170 kernel/sched/core.c:6685
mb_cache_entry_wait_unused+0x140/0x228 fs/mbcache.c:148
ext4_evict_ea_inode+0x130/0x2f0 fs/ext4/xattr.c:451
ext4_evict_inode+0x25c/0x146c fs/ext4/inode.c:181
evict+0x260/0x68c fs/inode.c:664
iput_final fs/inode.c:1747 [inline]
iput+0x968/0xa4c fs/inode.c:1773
ext4_xattr_set_entry+0x12c8/0x2c08 fs/ext4/xattr.c:1822
ext4_xattr_block_set+0x558/0x2cc4 fs/ext4/xattr.c:1922
ext4_xattr_set_handle+0xae8/0x1294 fs/ext4/xattr.c:2406
ext4_xattr_set+0x1e0/0x354 fs/ext4/xattr.c:2508
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x3d8/0x400 fs/xattr.c:202
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:236
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:297
vfs_setxattr+0x1a8/0x344 fs/xattr.c:323
do_setxattr fs/xattr.c:608 [inline]
setxattr+0x20c/0x2a0 fs/xattr.c:631
path_setxattr+0x17c/0x258 fs/xattr.c:650
__do_sys_setxattr fs/xattr.c:666 [inline]
__se_sys_setxattr fs/xattr.c:662 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:662
__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+0x64/0x198 arch/arm64/kernel/syscall.c:193
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+0x190/0x194 arch/arm64/kernel/entry.S:591
INFO: task syz-executor.2:7882 blocked for more than 146 seconds.
Not tainted 6.2.0-syzkaller-18302-g596b6b709632 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:0 pid:7882 ppid:5956 flags:0x00000009
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xfc8/0x1d64 kernel/sched/core.c:6609
schedule+0xc4/0x170 kernel/sched/core.c:6685
__wait_on_freeing_inode fs/inode.c:2196 [inline]
find_inode_fast+0x2cc/0x3d4 fs/inode.c:950
iget_locked+0xd0/0x708 fs/inode.c:1273
__ext4_iget+0x1f0/0x314c fs/ext4/inode.c:4861
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1507 [inline]
ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1543 [inline]
ext4_xattr_set_entry+0x16b8/0x2c08 fs/ext4/xattr.c:1685
ext4_xattr_block_set+0x8e0/0x2cc4 fs/ext4/xattr.c:1991
ext4_xattr_set_handle+0xae8/0x1294 fs/ext4/xattr.c:2406
ext4_xattr_set+0x1e0/0x354 fs/ext4/xattr.c:2508
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x3d8/0x400 fs/xattr.c:202
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:236
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:297
vfs_setxattr+0x1a8/0x344 fs/xattr.c:323
do_setxattr fs/xattr.c:608 [inline]
setxattr+0x20c/0x2a0 fs/xattr.c:631
path_setxattr+0x17c/0x258 fs/xattr.c:650
__do_sys_setxattr fs/xattr.c:666 [inline]
__se_sys_setxattr fs/xattr.c:662 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:662
__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+0x64/0x198 arch/arm64/kernel/syscall.c:193
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+0x190/0x194 arch/arm64/kernel/entry.S:591
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015d66ff0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcb4 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffff800015d677f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcb4 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffff800015d66e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:324
1 lock held by udevd/5453:
2 locks held by getty/5604:
#0: ffff0000d36ef098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001a8602f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177
2 locks held by syz-executor.0/5968:
#0: ffff0000db9320e0 (&type->s_umount_key#59){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 fs/super.c:362
#1: ffff800015d6c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#1: ffff800015d6c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3b0/0x72c kernel/rcu/tree_exp.h:946
2 locks held by kworker/0:3/6018:
#0: ffff0000c0021d38 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x664/0x16b4 kernel/workqueue.c:2262
#1: ffff80001e6c7c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x16b4 kernel/workqueue.c:2264
5 locks held by kworker/u4:8/6359:
#0: ffff0000c03d9938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x664/0x16b4 kernel/workqueue.c:2262
#1: ffff800021f47c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x16b4 kernel/workqueue.c:2264
#2: ffff80001820ab90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x8d0 net/core/net_namespace.c:575
#3: ffff800018216c28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:75
#4: ffff800015d6c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#4: ffff800015d6c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x380/0x72c kernel/rcu/tree_exp.h:946
2 locks held by kworker/u4:10/6440:
2 locks held by kworker/u4:16/6851:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x16b4 kernel/workqueue.c:2262
#1: ffff8000226b7c20 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x16b4 kernel/workqueue.c:2264
3 locks held by syz-executor.2/7871:
#0: ffff0000c0c7e460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:508
#1: ffff00012a14e850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff00012a14e850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:322
#2: ffff00012a14e518 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff00012a14e518 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x1294 fs/ext4/xattr.c:2321
3 locks held by syz-executor.2/7882:
#0: ffff0000c0c7e460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:508
#1: ffff00012a153628 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff00012a153628 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:322
#2: ffff00012a1532f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff00012a1532f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x1294 fs/ext4/xattr.c:2321
1 lock held by udevd/9349:
3 locks held by udevd/9392:
2 locks held by syz-executor.4/9508:
#0: ffff80001820ab90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x3b0/0x640 net/core/net_namespace.c:486
#1: ffff800018216c28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:75
=============================================