From a3e5dab7d7fb24ba6d7b1f100507eece06085b36 Mon Sep 17 00:00:00 2001 From: Bing-Jhong Billy Jheng Date: Wed, 18 Jan 2023 10:57:52 +0800 Subject: [PATCH] io_uring: add missing item types for splice request stable inclusion from stable-v5.10.160 commit 75454b4bbfc7e6a4dd8338556f36ea9107ddf61a category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I6AUN9 CVE: CVE-2022-4696 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=75454b4bbfc7e6a4dd8338556f36ea9107ddf61a -------------------------------- Splice is like read/write and should grab current->nsproxy, denoted by IO_WQ_WORK_FILES as it refers to current->files as well Signed-off-by: Bing-Jhong Billy Jheng Reviewed-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman Signed-off-by: Li Lingfeng Reviewed-by: Zhang Yi Signed-off-by: Jialin Zhang --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 4c6e442a5edf..4ace89ae4832 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -935,7 +935,7 @@ static const struct io_op_def io_op_defs[] = { .needs_file = 1, .hash_reg_file = 1, .unbound_nonreg_file = 1, - .work_flags = IO_WQ_WORK_BLKCG, + .work_flags = IO_WQ_WORK_BLKCG | IO_WQ_WORK_FILES, }, [IORING_OP_PROVIDE_BUFFERS] = {}, [IORING_OP_REMOVE_BUFFERS] = {}, -- GitLab