INFO: task syz.0.54:4725 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.54 state:D stack:0 pid:4725 ppid:4448 flags:0x00000001
Call trace:
__switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xddc/0x1b18 kernel/sched/core.c:6561
schedule+0xc4/0x170 kernel/sched/core.c:6637
__wait_on_freeing_inode fs/inode.c:2286 [inline]
find_inode_fast+0x238/0x324 fs/inode.c:995
iget_locked+0xc8/0x7c4 fs/inode.c:1360
__ext4_iget+0x1dc/0x32b4 fs/ext4/inode.c:4858
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1509 [inline]
ext4_xattr_inode_lookup_create+0x3e4/0x18c4 fs/ext4/xattr.c:1548
ext4_xattr_ibody_set+0x1b4/0x600 fs/ext4/xattr.c:2225
ext4_xattr_set_handle+0x900/0x102c fs/ext4/xattr.c:2402
ext4_xattr_set+0x1e0/0x2b4 fs/ext4/xattr.c:2516
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x120/0x564 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x158/0x2ac fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x228/0x28c fs/xattr.c:617
path_setxattr+0x12c/0x25c fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz.0.54:4728 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.54 state:D stack:0 pid:4728 ppid:4448 flags:0x00000001
Call trace:
__switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xddc/0x1b18 kernel/sched/core.c:6561
schedule+0xc4/0x170 kernel/sched/core.c:6637
mb_cache_entry_wait_unused+0x13c/0x224 fs/mbcache.c:148
ext4_evict_ea_inode+0x130/0x2f0 fs/ext4/xattr.c:444
ext4_evict_inode+0x178/0x1270 fs/ext4/inode.c:181
evict+0x3c8/0x810 fs/inode.c:705
iput_final fs/inode.c:1834 [inline]
iput+0x764/0x7f4 fs/inode.c:1860
ext4_xattr_ibody_set+0x450/0x600 fs/ext4/xattr.c:2243
ext4_xattr_set_handle+0x900/0x102c fs/ext4/xattr.c:2402
ext4_xattr_set+0x1e0/0x2b4 fs/ext4/xattr.c:2516
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x120/0x564 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x158/0x2ac fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x228/0x28c fs/xattr.c:617
path_setxattr+0x12c/0x25c fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015227d70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffff800015228590 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffff800015227400 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
1 lock held by klogd/3925:
2 locks held by getty/4079:
#0: ffff0000d64cf098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80002062b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198
3 locks held by syz.0.54/4725:
#0: ffff0000eb7e2460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000d76f8e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000d76f8e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000d76f8ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000d76f8ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.0.54/4728:
#0: ffff0000eb7e2460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea682c20 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea682c20 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea6828e8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea6828e8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.1.207/5455:
#0: ffff0000db078460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea7e4a38 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea7e4a38 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea7e4700 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea7e4700 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.1.207/5458:
#0: ffff0000db078460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea7e7258 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea7e7258 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea7e6f20 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea7e6f20 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.2.208/5479:
#0: ffff0000cb996460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea613628 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea613628 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea6132f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea6132f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.2.208/5483:
#0: ffff0000cb996460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea605e48 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea605e48 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea605b10 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea605b10 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.3.303/5938:
#0: ffff0000f09ac460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000d76fc030 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000d76fc030 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000d76fbcf8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000d76fbcf8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.3.303/5941:
#0: ffff0000f09ac460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000d766c030 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000d766c030 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000d766bcf8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000d766bcf8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.4.342/6152:
#0: ffff0000d9162460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea69b628 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea69b628 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea69b2f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea69b2f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.4.342/6155:
#0: ffff0000d9162460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea7e0400 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea7e0400 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea7e00c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea7e00c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.5.412/6512:
#0: ffff0000dd236460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000f14c8e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000f14c8e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000f14c8ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000f14c8ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.5.412/6515:
#0: ffff0000dd236460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000f1554030 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000f1554030 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000f1553cf8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000f1553cf8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.6.510/6986:
#0: ffff0000efcce460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000f14fb628 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000f14fb628 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000f14fb2f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000f14fb2f0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.6.510/6989:
#0: ffff0000efcce460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea69ac20 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea69ac20 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea69a8e8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea69a8e8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.7.560/7250:
#0: ffff0000f2a58460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000ea7e0e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ea7e0e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000ea7e0ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000ea7e0ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
3 locks held by syz.7.560/7253:
#0: ffff0000f2a58460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
#1: ffff0000e2770e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000e2770e08 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:308
#2: ffff0000e2770ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0000e2770ad0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x124/0x102c fs/ext4/xattr.c:2329
=============================================