INFO: task syz.1.75:4372 blocked for more than 143 seconds.
Not tainted 5.15.181-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.75 state:D stack: 0 pid: 4372 ppid: 4024 flags:0x00000001
Call trace:
__switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0xe00/0x1c0c kernel/sched/core.c:6376
schedule+0x11c/0x1c8 kernel/sched/core.c:6459
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6518
rwsem_down_read_slowpath+0x46c/0x8bc kernel/locking/rwsem.c:1055
__down_read_common kernel/locking/rwsem.c:1239 [inline]
__down_read kernel/locking/rwsem.c:1252 [inline]
down_read+0x100/0x390 kernel/locking/rwsem.c:1500
jfs_listxattr+0x80/0x7f8 fs/jfs/xattr.c:882
vfs_listxattr fs/xattr.c:448 [inline]
listxattr+0x29c/0x3e0 fs/xattr.c:783
path_listxattr+0xdc/0x1b4 fs/xattr.c:807
__do_sys_listxattr fs/xattr.c:819 [inline]
__se_sys_listxattr fs/xattr.c:816 [inline]
__arm64_sys_listxattr+0x80/0x94 fs/xattr.c:816
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz.1.75:4390 blocked for more than 144 seconds.
Not tainted 5.15.181-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.75 state:D stack: 0 pid: 4390 ppid: 4024 flags:0x00000009
Call trace:
__switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0xe00/0x1c0c kernel/sched/core.c:6376
schedule+0x11c/0x1c8 kernel/sched/core.c:6459
io_schedule+0x84/0x160 kernel/sched/core.c:8484
__lock_metapage+0x178/0x3f8 fs/jfs/jfs_metapage.c:49
lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
__get_metapage+0x94c/0x10a0 fs/jfs/jfs_metapage.c:640
ea_write+0x470/0xb60 fs/jfs/xattr.c:256
ea_put fs/jfs/xattr.c:626 [inline]
__jfs_setxattr+0x770/0xfe8 fs/jfs/xattr.c:792
__jfs_set_acl+0x108/0x1a4 fs/jfs/acl.c:87
jfs_set_acl+0x194/0x300 fs/jfs/acl.c:114
set_posix_acl fs/posix_acl.c:947 [inline]
posix_acl_xattr_set+0x2cc/0x378 fs/posix_acl.c:966
__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:303
do_setxattr fs/xattr.c:588 [inline]
setxattr+0x248/0x2ac fs/xattr.c:611
path_setxattr+0x12c/0x25c fs/xattr.c:630
__do_sys_setxattr fs/xattr.c:646 [inline]
__se_sys_setxattr fs/xattr.c:642 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:642
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Showing all locks held in the system:
1 lock held by ksoftirqd/1/20:
1 lock held by khungtaskd/27:
#0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
3 locks held by kworker/u4:1/136:
2 locks held by kworker/u4:2/148:
1 lock held by udevd/3642:
2 locks held by getty/3789:
#0: ffff0000d46f8098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
#1: ffff80001bc0e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158
2 locks held by kworker/0:5/4084:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283
#1: ffff80001f877c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285
4 locks held by kworker/u4:9/4219:
#0: ffff0000c2073938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283
#1: ffff80001fd27c00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285
#2: ffff0000f00420e0 (&type->s_umount_key#59){++++}-{3:3}, at: trylock_super+0x24/0xf4 fs/super.c:418
#3: ffff0000de35b948 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x19c/0x498 fs/jfs/inode.c:102
1 lock held by syz.1.75/4372:
#0: ffff0000de35b9e0 (&jfs_ip->xattr_sem){++++}-{3:3}, at: jfs_listxattr+0x80/0x7f8 fs/jfs/xattr.c:882
4 locks held by syz.1.75/4390:
#0: ffff0000f0042460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000de35bd00 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
#1: ffff0000de35bd00 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:302
#2: ffff0000de35b948 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_set_acl+0xe8/0x300 fs/jfs/acl.c:106
#3: ffff0000de35b9e0 (&jfs_ip->xattr_sem){++++}-{3:3}, at: __jfs_setxattr+0xcc/0xfe8 fs/jfs/xattr.c:678
2 locks held by kworker/0:13/4645:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283
#1: ffff80001fe67c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285
2 locks held by syz-executor/4887:
#0: ffff0000cbddc518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac block/bdev.c:915
#1: ffff0000cbef5468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 drivers/block/loop.c:1366
3 locks held by kworker/u4:14/7356:
1 lock held by syz.2.725/7402:
1 lock held by udevd/7403:
#0: ffff0000cbddc518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 block/bdev.c:820
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