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authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-10 09:14:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-10 09:14:54 -0700
commitd9919d43cbf6790d2bc0c0a2743c51fc25f26919 (patch)
treeca6743642cd86d8c1707477a7b059414a24e7736
parent2fbd36dfae40cc90ba6a4761e0efff62e4d919fe (diff)
parentd785a773bed966a75ca1f11d108ae1897189975b (diff)
Merge tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-block
Pull io_uring fix from Jens Axboe: "A single fix for an issue that came up yesterday that we should plug for -rc6. This is a regression introduced in this cycle" * tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-block: io_uring: check that we have a file table when allocating update slots
-rw-r--r--fs/io_uring.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index cddc0e8490af..a01ea49f3017 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -7973,6 +7973,9 @@ static int io_files_update_with_index_alloc(struct io_kiocb *req,
struct file *file;
int ret, fd;
+ if (!req->ctx->file_data)
+ return -ENXIO;
+
for (done = 0; done < req->rsrc_update.nr_args; done++) {
if (copy_from_user(&fd, &fds[done], sizeof(fd))) {
ret = -EFAULT;