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authorTakashi Iwai <[email protected]>2022-12-22 08:11:48 +0000
committerTakashi Iwai <[email protected]>2022-12-22 08:11:48 +0000
commit2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch)
treef711bc9cab45f4963e4883ef15ff4c54a6cbc12e /io_uring/kbuf.c
parentMerge tag 'asoc-fix-v6.1-rc7' of https://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentALSA: hda/hdmi: fix stream-id config keep-alive for rt suspend (diff)
downloadkernel-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.gz
kernel-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.zip
Merge branch 'for-next' into for-linus
Diffstat (limited to 'io_uring/kbuf.c')
-rw-r--r--io_uring/kbuf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 25cd724ade18..e2c46889d5fa 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -346,6 +346,8 @@ int io_provide_buffers_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe
tmp = READ_ONCE(sqe->off);
if (tmp > USHRT_MAX)
return -E2BIG;
+ if (tmp + p->nbufs >= USHRT_MAX)
+ return -EINVAL;
p->bid = tmp;
return 0;
}