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authorMark Brown <broonie@kernel.org>2023-07-17 06:12:31 +0100
committerMark Brown <broonie@kernel.org>2023-07-17 06:12:31 +0100
commit0791faebfe750292a8a842b64795a390ca4a3b51 (patch)
tree0e6095a5a0130398b0693bddfdc421c41eebda7c /net/wireless/wext-core.c
parentMAINTAINERS: Redo addition of ssm3515 to APPLE SOUND (diff)
parentLinux 6.5-rc2 (diff)
downloadwireguard-linux-0791faebfe750292a8a842b64795a390ca4a3b51.tar.xz
wireguard-linux-0791faebfe750292a8a842b64795a390ca4a3b51.zip
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using the branch.
Diffstat (limited to 'net/wireless/wext-core.c')
-rw-r--r--net/wireless/wext-core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index a125fd1fa134..a161c64d1765 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -815,6 +815,12 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
}
}
+ /* Sanity-check to ensure we never end up _allocating_ zero
+ * bytes of data for extra.
+ */
+ if (extra_size <= 0)
+ return -EFAULT;
+
/* kzalloc() ensures NULL-termination for essid_compat. */
extra = kzalloc(extra_size, GFP_KERNEL);
if (!extra)