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net: use strnstr() for lwip_strnstr()

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Using strstr() instead of strnstr() creates a security concern.

Fixes: 1c41a7afaa ("net: lwip: build lwIP")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2025-02-03 10:12:02 +01:00 • committed by Tom Rini
parent 4fee75276d
commit 331d75544f
1 changed files with 1 additions and 1 deletions
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2
lib/lwip/u-boot/arch/cc.h
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@ -34,7 +34,7 @@
x, __LINE__, __FILE__); } while (0)
#define atoi(str) (int)dectoul(str, NULL)
#define lwip_strnstr(a, b, c) strstr(a, b)
#define lwip_strnstr(a, b, c) strnstr(a, b, c)
#define LWIP_ERR_T int
#define LWIP_CONST_CAST(target_type, val) ((target_type)((uintptr_t)val))