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Signed-off-by: John Crispin <john@phrozen.org>
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 4a8f23fcb9aceb9c6ef8bdabccadc392b1cef571 Mon Sep 17 00:00:00 2001
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From: Rathees Kumar R Chinannan <quic_rrchinan@quicinc.com>
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Date: Tue, 14 Nov 2023 16:19:24 +0530
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Subject: [PATCH] hostapd: Avoid NULL pointer dereference.
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Added NULL check before accessing hapd ptr on hostapd_wpa_event function.
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This NULL check is added to avoid unusual hostapd crashes observed
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during module reload test cases.
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Signed-off-by: Rathees Kumar R Chinannan <quic_rrchinan@quicinc.com>
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Change-Id: Ia4a5525694e6b8acdc707b431c54b98f90bdd2aa
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---
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src/ap/drv_callbacks.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
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index 2b10cc6..a01d8f2 100644
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--- a/src/ap/drv_callbacks.c
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+++ b/src/ap/drv_callbacks.c
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@@ -2148,10 +2148,13 @@ void hostapd_wpa_event(void *ctx, enum wpa_event_type event,
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{
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struct hostapd_data *hapd = ctx;
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int b, err;
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-
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#ifndef CONFIG_NO_STDOUT_DEBUG
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int level = MSG_DEBUG;
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+#endif /* CONFIG_NO_STDOUT_DEBUG */
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+ if (hapd == NULL)
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+ return;
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+#ifndef CONFIG_NO_STDOUT_DEBUG
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if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
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data->rx_mgmt.frame_len >= 24) {
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const struct ieee80211_hdr *hdr;
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--
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2.42.0
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