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authorGravatar Linus Torvalds <torvalds@linux-foundation.org> 2022-07-08 11:25:01 -0700
committerGravatar Linus Torvalds <torvalds@linux-foundation.org> 2022-07-08 11:25:01 -0700
commit29837019d5ebb80a5f180af3107a0645c731a770 (patch)
treee4038ffe322ab1ad81ad0404dd1ae15fd4c8e6c9 /fs
parentMerge tag 'for-5.19/fbdev-3' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
parentio_uring: explicit sqe padding for ioctl commands (diff)
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Merge tag 'io_uring-5.19-2022-07-08' of git://git.kernel.dk/linux-block
Pull io_uring tweak from Jens Axboe: "Just a minor tweak to an addition made in this release cycle: padding a 32-bit value that's in a 64-bit union to avoid any potential funkiness from that" * tag 'io_uring-5.19-2022-07-08' of git://git.kernel.dk/linux-block: io_uring: explicit sqe padding for ioctl commands
Diffstat (limited to 'fs')
-rw-r--r--fs/io_uring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 0d491ad15b66..cddc0e8490af 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5066,7 +5066,7 @@ static int io_uring_cmd_prep(struct io_kiocb *req,
{
struct io_uring_cmd *ioucmd = &req->uring_cmd;
- if (sqe->rw_flags)
+ if (sqe->rw_flags || sqe->__pad1)
return -EINVAL;
ioucmd->cmd = sqe->cmd;
ioucmd->cmd_op = READ_ONCE(sqe->cmd_op);