INFO: task syz-executor.5:11668 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:11668 ppid:6034 flags:0x00000001
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1368/0x23b8 kernel/sched/core.c:6669
schedule+0xc4/0x170 kernel/sched/core.c:6745
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6804
rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0xb4/0xc0 kernel/locking/rwsem.c:1574
inode_lock include/linux/fs.h:775 [inline]
vfs_setxattr+0x17c/0x344 fs/xattr.c:321
do_setxattr fs/xattr.c:630 [inline]
setxattr+0x208/0x29c fs/xattr.c:653
path_setxattr+0x17c/0x258 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:684
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
INFO: task syz-executor.5:11677 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:11677 ppid:6034 flags:0x00000009
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1368/0x23b8 kernel/sched/core.c:6669
schedule+0xc4/0x170 kernel/sched/core.c:6745
__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+0x1f4/0x31b4 fs/ext4/inode.c:4696
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1542 [inline]
ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1577 [inline]
ext4_xattr_set_entry+0x167c/0x2d7c fs/ext4/xattr.c:1719
ext4_xattr_block_set+0x8dc/0x2c64 fs/ext4/xattr.c:2025
ext4_xattr_set_handle+0xb2c/0x12d8 fs/ext4/xattr.c:2442
ext4_xattr_set+0x1e0/0x354 fs/ext4/xattr.c:2544
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x3d8/0x400 fs/xattr.c:201
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:235
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:296
vfs_setxattr+0x1a8/0x344 fs/xattr.c:322
do_setxattr fs/xattr.c:630 [inline]
setxattr+0x208/0x29c fs/xattr.c:653
path_setxattr+0x17c/0x258 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:684
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
INFO: task syz-executor.5:11681 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:11681 ppid:6034 flags:0x0000000d
Call trace:
__switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1368/0x23b8 kernel/sched/core.c:6669
schedule+0xc4/0x170 kernel/sched/core.c:6745
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+0x174/0x10d8 fs/ext4/inode.c:180
evict+0x260/0x68c fs/inode.c:665
iput_final fs/inode.c:1747 [inline]
iput+0x734/0x818 fs/inode.c:1773
ext4_xattr_set_entry+0x12a4/0x2d7c fs/ext4/xattr.c:1856
ext4_xattr_block_set+0x54c/0x2c64 fs/ext4/xattr.c:1956
ext4_xattr_set_handle+0xb2c/0x12d8 fs/ext4/xattr.c:2442
ext4_xattr_set+0x1e0/0x354 fs/ext4/xattr.c:2544
ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38
__vfs_setxattr+0x3d8/0x400 fs/xattr.c:201
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:235
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:296
vfs_setxattr+0x1a8/0x344 fs/xattr.c:322
do_setxattr fs/xattr.c:630 [inline]
setxattr+0x208/0x29c fs/xattr.c:653
path_setxattr+0x17c/0x258 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:684
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
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/13:
#0: ffff80008e0c16d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffff80008e0c1a90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffff80008e0c1500 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326
1 lock held by udevd/5593:
#0: ffff0000cc8c24c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x12c/0x8f8 block/bdev.c:747
2 locks held by getty/5735:
#0: ffff0000cf0e4098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff800092eb02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2176
2 locks held by kworker/u4:7/6253:
2 locks held by syz-executor.5/11668:
#0: ffff00012a842460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:394
#1: ffff00012c995400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff00012c995400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:321
3 locks held by syz-executor.5/11677:
#0: ffff00012a842460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:394
#1: ffff00012c995400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff00012c995400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:321
#2: ffff00012c9950c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff00012c9950c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x12d8 fs/ext4/xattr.c:2357
3 locks held by syz-executor.5/11681:
#0: ffff00012a842460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:394
#1: ffff0001300c2c00 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff0001300c2c00 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:321
#2: ffff0001300c28c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff0001300c28c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x12d8 fs/ext4/xattr.c:2357
3 locks held by kworker/u4:25/12615:
#0: ffff0000c1e4e938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2378
#1: ffff8000a7427c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2380
#2: ffff0000c18560e0 (&type->s_umount_key#39){.+.+}-{3:3}, at: trylock_super+0x28/0xf8 fs/super.c:414
1 lock held by syz-executor.4/13622:
#0: ffff0000cc8c24c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x150/0x28c block/bdev.c:986
1 lock held by syz-executor.5/13630:
#0: ffff0000cc8c24c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x12c/0x8f8 block/bdev.c:747
=============================================