"value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: don't set RO when shutting down f2fs\n\nShutdown does not check the error of thaw_super due to readonly, which\ncauses a deadlock like below.\n\nf2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issue_discard_thread\n - bdev_freeze\n - freeze_super\n - f2fs_stop_checkpoint()\n - f2fs_handle_critical_error - sb_start_write\n - set RO - waiting\n - bdev_thaw\n - thaw_super_locked\n - return -EINVAL, if sb_rdonly()\n - f2fs_stop_discard_thread\n -> wait for kthread_stop(discard_thread);"