summaryrefslogtreecommitdiff
path: root/io_uring/kbuf.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-28 10:32:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-28 10:32:58 +0200
commit615dca38c2eae55aff80050275931c87a812b48c (patch)
tree8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /io_uring/kbuf.c
parent3baea29dc0a7b561170d7082f831a613ae6aa56e (diff)
parentb4432656b36e5cc1d50a1f2dc15357543add530e (diff)
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following merge conflicts that were reported in linux-next: drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/host/xhci.h Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 098109259671..953d5e742569 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -504,6 +504,8 @@ int io_provide_buffers_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe
p->nbufs = tmp;
p->addr = READ_ONCE(sqe->addr);
p->len = READ_ONCE(sqe->len);
+ if (!p->len)
+ return -EINVAL;
if (check_mul_overflow((unsigned long)p->len, (unsigned long)p->nbufs,
&size))