INFO: task syz-executor.4:10665 blocked for more than 154 seconds. Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:22656 pid:10665 tgid:10664 ppid:5096 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 jfs_flush_journal+0x72c/0xec0 fs/jfs/jfs_logmgr.c:1564 jfs_sync_fs+0x80/0xa0 fs/jfs/super.c:684 sync_filesystem+0x1c8/0x230 fs/sync.c:66 jfs_remount+0x136/0x6b0 fs/jfs/super.c:432 reconfigure_super+0x445/0x880 fs/super.c:1072 vfs_cmd_reconfigure fs/fsopen.c:267 [inline] vfs_fsconfig_locked fs/fsopen.c:296 [inline] __do_sys_fsconfig fs/fsopen.c:476 [inline] __se_sys_fsconfig+0xab5/0xec0 fs/fsopen.c:349 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbc9427d0a9 RSP: 002b:00007fbc950910c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007fbc943b3f80 RCX: 00007fbc9427d0a9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 RBP: 00007fbc942ec074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fbc943b3f80 R15: 00007ffd3f3fc988 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 2 locks held by getty/4830: #0: ffff88802aa0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211 1 lock held by syz-executor.1/9143: 2 locks held by syz-executor.4/10665: #0: ffff888015f96c70 (&fc->uapi_mutex){+.+.}-{3:3}, at: __do_sys_fsconfig fs/fsopen.c:474 [inline] #0: ffff888015f96c70 (&fc->uapi_mutex){+.+.}-{3:3}, at: __se_sys_fsconfig+0x8e6/0xec0 fs/fsopen.c:349 #1: ffff88802af6a0e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: vfs_cmd_reconfigure fs/fsopen.c:266 [inline] #1: ffff88802af6a0e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: vfs_fsconfig_locked fs/fsopen.c:296 [inline] #1: ffff88802af6a0e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: __do_sys_fsconfig fs/fsopen.c:476 [inline] #1: ffff88802af6a0e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: __se_sys_fsconfig+0xaab/0xec0 fs/fsopen.c:349 3 locks held by kworker/u8:0/10881: 1 lock held by syz-executor.0/11113: