syzbot

INFO: task syz-executor.1:5212 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:18488 pid:5212  tgid:5211  ppid:5106   flags:0x00004006
Call Trace:
 <TASK>
 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
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 kthread_stop+0x19e/0x630 kernel/kthread.c:710
 bch2_copygc_stop+0x4f/0x150 fs/bcachefs/movinggc.c:400
 __bch2_fs_read_only+0x47/0x430 fs/bcachefs/super.c:266
 bch2_fs_read_only+0xb52/0x1210 fs/bcachefs/super.c:356
 bch2_remount+0x22a/0x580 fs/bcachefs/fs.c:1729
 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: 0033:0x7f3687a7cea9
RSP: 002b:00007f36887ca0c8 EFLA