INFO: task syz-executor204:3955 blocked for more than 140 seconds.
Not tainted 4.9.113-g47bbcd6 #10
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor204 D28368 3955 3931 0x00000000
ffff8801d4c61800 0000000000000000 ffff8801d72d0a80 ffff8801d9a6b000
ffff8801db321c18 ffff8801d536f5d8 ffffffff839e909d ffffffff81235647
0000000000000000 ffff8801d4c620c0 0000000600000007 ffff8801db3224e8
Call Trace:
[<ffffffff839ea69f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
[<ffffffff839f5cd8>] __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:526 [inline]
[<ffffffff839f5cd8>] rwsem_down_write_failed+0x598/0x990 kernel/locking/rwsem-xadd.c:555
[<ffffffff81ee7587>] call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105
[<ffffffff839f3aac>] __down_write arch/x86/include/asm/rwsem.h:125 [inline]
[<ffffffff839f3aac>] down_write+0x5c/0xa0 kernel/locking/rwsem.c:54
[<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
[<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
[<ffffffff8190d63e>] fuse_notify_delete fs/fuse/dev.c:1536 [inline]
[<ffffffff8190d63e>] fuse_notify fs/fuse/dev.c:1768 [inline]
[<ffffffff8190d63e>] fuse_dev_do_write+0x98e/0x20a0 fs/fuse/dev.c:1843
[<ffffffff8190fa8b>] fuse_dev_write+0x14b/0x1e0 fs/fuse/dev.c:1929
[<ffffffff8156ecb0>] new_sync_write fs/read_write.c:496 [inline]
[<ffffffff8156ecb0>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
[<ffffffff81572aa7>] vfs_write+0x187/0x530 fs/read_write.c:557
[<ffffffff815768d9>] SYSC_write fs/read_write.c:604 [inline]
[<ffffffff815768d9>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
[<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
[<ffffffff839f9f93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Showing all locks held in the system:
2 locks held by khungtaskd/519:
#0: (rcu_read_lock){......}, at: [<ffffffff8136675c>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
#0: (rcu_read_lock){......}, at: [<ffffffff8136675c>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
#1: (tasklist_lock){.+.+..}, at: [<ffffffff81425de7>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
2 locks held by getty/3771:
#0: (&tty->ldisc_sem){++++++}, at: [<ffffffff839f8142>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
#1: (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff8211ee22>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142
3 locks held by syz-executor204/3947:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3955:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3970:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/3971:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3972:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3987:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3990:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4004:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4008:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4020:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4024:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4036:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4040:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4052:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4057:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4068:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3946:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3954:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3967:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3968:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3978:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3985:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3994:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4001:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4011:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4017:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4027:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4033:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4043:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4051:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4060:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4067:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3945:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3949:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3959:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3960:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3974:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/3981:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3989:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3998:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4006:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4015:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4022:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4032:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/4038:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4046:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4056:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4062:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3944:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3953:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3966:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3969:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3979:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3986:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3995:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4002:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4012:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4018:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4028:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4034:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4044:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4050:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4059:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4066:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3943:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3951:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3962:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3963:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3976:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3983:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3992:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/3999:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4007:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4019:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4023:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4035:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/4039:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4047:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4058:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4063:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3941:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3950:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3958:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3961:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3975:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3982:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3991:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3996:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4009:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4013:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4025:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4029:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4041:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/4048:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4053:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4064:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3940:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3948:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3956:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3957:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3973:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/3980:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3988:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3997:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4005:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4014:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4021:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4030:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/4037:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4045:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4054:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4061:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
3 locks held by syz-executor204/3942:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
#2: (&fi->mutex){+.+.+.}, at: [<ffffffff81938782>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362
2 locks held by syz-executor204/3952:
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify_inval_entry fs/fuse/dev.c:1483 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_notify fs/fuse/dev.c:1759 [inline]
#0: (&fc->killsb){.+.+..}, at: [<ffffffff8190d5e9>] fuse_dev_do_write+0x939/0x20a0 fs/fuse/dev.c:1843
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] inode_lock include/linux/fs.h:766 [inline]
#1: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff8191bc0e>] fuse_reverse_inval_entry+0xae/0x670 fs/fuse/dir.c:1011
2 locks held by syz-executor204/3964:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3965:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3977:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/3984:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/3993:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4000:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4010:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4016:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4026:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4031:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
2 locks held by syz-executor204/4042:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
2 locks held by syz-executor204/4049:
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] sb_start_write include/linux/fs.h:1573 [inline]
#0: (sb_writers#8){.+.+.+}, at: [<ffffffff815e0a8f>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] inode_lock_nested include/linux/fs.h:801 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff815aa01a>] filename_create+0x17a/0x490 fs/namei.c:3639
1 lock held by syz-executor204/4055:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
1 lock held by syz-executor204/4065:
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] inode_lock include/linux/fs.h:766 [inline]
#0: (&type->i_mutex_dir_key#4){+.+...}, at: [<ffffffff815e18ac>] lock_mount+0x8c/0x2c0 fs/namespace.c:2077
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.113-g47bbcd6 #10
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ffff8801d853fd08 ffffffff81eb32a9 0000000000000000 0000000000000001
0000000000000001 0000000000000001 ffffffff810b9bd0 ffff8801d853fd40
ffffffff81ebe5a7 0000000000000001 0000000000000000 0000000000000003
Call Trace:
[<ffffffff81eb32a9>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81eb32a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
[<ffffffff81ebe5a7>] nmi_cpu_backtrace.cold.2+0x48/0x87 lib/nmi_backtrace.c:99
[<ffffffff81ebe53a>] nmi_trigger_cpumask_backtrace+0x12a/0x14f lib/nmi_backtrace.c:60
[<ffffffff810b9cd4>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
[<ffffffff81366cf4>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
[<ffffffff81366cf4>] check_hung_task kernel/hung_task.c:125 [inline]
[<ffffffff81366cf4>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
[<ffffffff81366cf4>] watchdog+0x6b4/0xa20 kernel/hung_task.c:239
[<ffffffff8119d0ad>] kthread+0x26d/0x300 kernel/kthread.c:211
[<ffffffff839fa15c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3936 Comm: syz-executor204 Not tainted 4.9.113-g47bbcd6 #10
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d4c66000 task.stack: ffff8801c70e8000
RIP: 0010:[<ffffffff8123aba1>] c [<ffffffff8123aba1>] lock_acquire+0x41/0x3e0 kernel/locking/lockdep.c:3748
RSP: 0018:ffff8801c70ef9c0 EFLAGS: 00000086
RAX: dffffc0000000000 RBX: ffff8801d4c66000 RCX: 0000000000000000
RDX: ffff8801d4c668c4 RSI: 0000000000000000 RDI: ffff8801d4c668c4
RBP: ffff8801c70efa28 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801db221c18
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00000000009c4880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5389531000 CR3: 00000001c4185000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
000000003a98cd18c fffffbfff098bfa8c ffff8801d9913f80c ffff8801d688e3d8c
ffffffffffffffffc ffffffffffffffffc ffff8801d9913ea0c 00000001c70efa38c
ffff8801db221c00c ffff8801db221c00c ffff8801d688e810c ffff8801d688e000c
Call Trace:
[<ffffffff839f9336>] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline]
[<ffffffff839f9336>] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151
[<ffffffff811cee1f>] ttwu_queue kernel/sched/core.c:1915 [inline]
[<ffffffff811cee1f>] try_to_wake_up+0x73f/0xec0 kernel/sched/core.c:2130
[<ffffffff811cf6d0>] default_wake_function+0x30/0x50 kernel/sched/core.c:3722
[<ffffffff812219b3>] autoremove_wake_function+0x13/0x90 kernel/sched/wait.c:281
[<ffffffff812206f6>] __wake_up_common+0xb6/0x150 kernel/sched/wait.c:73
[<ffffffff81220850>] __wake_up_sync_key+0x40/0x60 kernel/sched/wait.c:145
[<ffffffff8158d907>] pipe_write+0x967/0xd60 fs/pipe.c:481
[<ffffffff8156ecb0>] new_sync_write fs/read_write.c:496 [inline]
[<ffffffff8156ecb0>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
[<ffffffff81572aa7>] vfs_write+0x187/0x530 fs/read_write.c:557
[<ffffffff815768d9>] SYSC_write fs/read_write.c:604 [inline]
[<ffffffff815768d9>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
[<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
[<ffffffff839f9f93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: c41 c56 c41 c89 cd6 c41 c55 c41 c89 cf5 c41 c54 c49 c89 cfc c53 c65 c48 c8b c1c c25 cc0 c7d c01 c00 c48 c8d cbb cc4 c08 c00 c00 c48 c83 cec c40 c44 c89 c45 cd4 c48 c89 cfa c<48> cc1 cea c03 c0f cb6 c14 c02 c48 c89 cf8 c83 ce0 c07 c83 cc0 c03 c38 cd0 c7c c08 c