INFO: task syz-executor.1:9435 blocked for more than 143 seconds. Not tainted 6.3.0-rc6-syzkaller-g7920df21c1b7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:9435 ppid:6033 flags:0x00000009 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5307 [inline] __schedule+0x1048/0x1e38 kernel/sched/core.c:6625 schedule+0xc4/0x170 kernel/sched/core.c:6701 __wait_on_freeing_inode fs/inode.c:2197 [inline] find_inode_fast+0x2cc/0x3d4 fs/inode.c:951 iget_locked+0xd0/0x708 fs/inode.c:1274 __ext4_iget+0x1f4/0x307c fs/ext4/inode.c:4866 ext4_xattr_inode_cache_find fs/ext4/xattr.c:1559 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1595 [inline] ext4_xattr_set_entry+0x16b4/0x2c3c fs/ext4/xattr.c:1737 ext4_xattr_block_set+0x558/0x2cc4 fs/ext4/xattr.c:1974 ext4_xattr_set_handle+0xb2c/0x12d8 fs/ext4/xattr.c:2458 ext4_xattr_set+0x1e0/0x354 fs/ext4/xattr.c:2560 ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:203 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:237 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:298 vfs_setxattr+0x1a8/0x344 fs/xattr.c:324 do_setxattr fs/xattr.c:609 [inline] setxattr+0x208/0x29c fs/xattr.c:632 path_setxattr+0x17c/0x258 fs/xattr.c:651 __do_sys_setxattr fs/xattr.c:667 [inline] __se_sys_setxattr fs/xattr.c:663 [inline] __arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:663 __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.1:9438 blocked for more than 143 seconds. Not tainted 6.3.0-rc6-syzkaller-g7920df21c1b7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:9438 ppid:6033 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5307 [inline] __schedule+0x1048/0x1e38 kernel/sched/core.c:6625 schedule+0xc4/0x170 kernel/sched/core.c:6701 mb_cache_entry_wait_unused+0x140/0x228 fs/mbcache.c:148 ext4_evict_ea_inode+0x130/0x2f0 fs/ext4/xattr.c:496 ext4_evict_inode+0x174/0x1254 fs/ext4/inode.c:181 evict+0x260/0x68c fs/inode.c:665 iput_final fs/inode.c:1748 [inline] iput+0x734/0x818 fs/inode.c:1774 ext4_xattr_set_entry+0x12c4/0x2c3c fs/ext4/xattr.c:1874 ext4_xattr_block_set+0x558/0x2cc4 fs/ext4/xattr.c:1974 ext4_xattr_set_handle+0xb2c/0x12d8 fs/ext4/xattr.c:2458 ext4_xattr_set+0x1e0/0x354 fs/ext4/xattr.c:2560 ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:203 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:237 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:298 vfs_setxattr+0x1a8/0x344 fs/xattr.c:324 do_setxattr fs/xattr.c:609 [inline] setxattr+0x208/0x29c fs/xattr.c:632 path_setxattr+0x17c/0x258 fs/xattr.c:651 __do_sys_setxattr fs/xattr.c:667 [inline] __se_sys_setxattr fs/xattr.c:663 [inline] __arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:663 __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: ffff800015e4f0d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffff800015e4f8d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by khungtaskd/28: #0: ffff800015e4ef00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326 1 lock held by udevd/5520: 2 locks held by getty/5670: #0: ffff0000d8c38098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001aad02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177 1 lock held by syz-executor.2/6037: 2 locks held by kworker/u4:14/6394: 3 locks held by syz-executor.1/9435: #0: ffff0001337d0460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:394 #1: ffff0001338c2218 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #1: ffff0001338c2218 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:323 #2: ffff0001338c1ee0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] #2: ffff0001338c1ee0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x12d8 fs/ext4/xattr.c:2373 3 locks held by syz-executor.1/9438: #0: ffff0001337d0460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:394 #1: ffff000130905e48 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #1: ffff000130905e48 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:323 #2: ffff000130905b10 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] #2: ffff000130905b10 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x12d8 fs/ext4/xattr.c:2373 1 lock held by udevd/9651: 6 locks held by syz-executor.1/14259: =============================================