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authorMaxime Ripard <mripard@kernel.org>2024-02-26 17:23:00 +0300
committerMaxime Ripard <mripard@kernel.org>2024-02-26 17:23:00 +0300
commit2f910859724b53f1cd3579246e3d9bebb16d78b8 (patch)
tree75cd2329b7e737865bf28ea734a2e0649c02a5bf /io_uring/openclose.c
parent86bf8cfda6d2a6720fa2e6e676c98f0882c9d3d7 (diff)
parent72fa02fdf83306c52bc1eede28359e3fa32a151a (diff)
downloadlinux-2f910859724b53f1cd3579246e3d9bebb16d78b8.tar.xz
Merge drm/drm-fixes into drm-misc-fixes
Sima needs a more recent release to apply a patch. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'io_uring/openclose.c')
-rw-r--r--io_uring/openclose.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/io_uring/openclose.c b/io_uring/openclose.c
index 0fe0dd305546..e3357dfa14ca 100644
--- a/io_uring/openclose.c
+++ b/io_uring/openclose.c
@@ -277,6 +277,10 @@ int io_install_fixed_fd_prep(struct io_kiocb *req, const struct io_uring_sqe *sq
if (flags & ~IORING_FIXED_FD_NO_CLOEXEC)
return -EINVAL;
+ /* ensure the task's creds are used when installing/receiving fds */
+ if (req->flags & REQ_F_CREDS)
+ return -EPERM;
+
/* default to O_CLOEXEC, disable if IORING_FIXED_FD_NO_CLOEXEC is set */
ifi = io_kiocb_to_cmd(req, struct io_fixed_install);
ifi->o_flags = O_CLOEXEC;