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wifi: cfg80211: avoid leaking stack data into trace

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[ Upstream commit 334bf33eec ]

If the structure is not initialized then boolean types might be copied
into the tracing data without being initialised. This causes data from
the stack to leak into the trace and also triggers a UBSAN failure which
can easily be avoided here.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://lore.kernel.org/r/20230925171855.a9271ef53b05.I8180bae663984c91a3e036b87f36a640ba409817@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Benjamin Berg 2023-09-25 17:18:56 +02:00 committed by Greg Kroah-Hartman
parent 30a2285a2e
commit aa77b187b1
1 changed files with 1 additions and 1 deletions
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2
net/wireless/nl80211.c
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@ -7664,7 +7664,7 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct mesh_config cfg;
struct mesh_config cfg = {};
u32 mask;
int err;