INFO: task syz-executor685:4155 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-executor685 state:D stack: 0 pid: 4155 ppid: 4036 flags:0x0000000d 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 khungtaskd/27: #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 4 locks held by kworker/u4:5/1630: #0: ffff0000c2073938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff8000238d7c00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff0000d009a0e0 (&type->s_umount_key#41){++++}-{3:3}, at: trylock_super+0x24/0xf4 fs/super.c:418 #3: ffff0000e1371448 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x19c/0x498 fs/jfs/inode.c:102 1 lock held by udevd/3642: #0: ffff0000cbb9d918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac block/bdev.c:915 2 locks held by getty/3782: #0: ffff0000d395d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 1 lock held by syz-executor685/4040: #0: ffff0000dbe300e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0xf0/0x118 fs/super.c:365 1 lock held by udevd/4052: #0: ffff0000cbb9d918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 block/bdev.c:820 4 locks held by syz-executor685/4155: #0: ffff0000d009a460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000e1371800 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #1: ffff0000e1371800 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:302 #2: ffff0000e1371448 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_set_acl+0xe8/0x300 fs/jfs/acl.c:106 #3: ffff0000e13714e0 (&jfs_ip->xattr_sem){+.+.}-{3:3}, at: __jfs_setxattr+0xcc/0xfe8 fs/jfs/xattr.c:678 4 locks held by syz-executor685/5826: #0: ffff0000dadba460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000e115d8c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #1: ffff0000e115d8c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:302 #2: ffff0000e115d508 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_set_acl+0xe8/0x300 fs/jfs/acl.c:106 #3: ffff0000e115d5a0 (&jfs_ip->xattr_sem){+.+.}-{3:3}, at: __jfs_setxattr+0xcc/0xfe8 fs/jfs/xattr.c:678 1 lock held by syz-executor685/5940: #0: ffff0000cbb9d918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 block/bdev.c:820 2 locks held by syz-executor685/5942: =============================================