f2fs: fix a deadlock during init_acl procedure
The deadlock is found through the following scenario. sys_mkdir() -> f2fs_add_link() -> __f2fs_add_link() -> init_inode_metadata() : lock_page(inode); -> f2fs_init_acl() -> f2fs_set_acl() -> f2fs_setxattr(..., NULL) : This NULL page incurs a deadlock at update_inode_page(). So, likewise f2fs_init_security(), this patch adds a parameter to transfer the locked inode page to f2fs_setxattr(). Found by Linux File System Verification project (linuxtesting.org). Reported-by: NAlexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: NJaegeuk Kim <jaegeuk.kim@samsung.com>
Showing
想要评论请 注册 或 登录