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From: | Axel Lin |
Subject: | [lwip-devel] Possible NULL pointer dereference if LWIP_NETIF_EXT_STATUS_CALLBACK set |
Date: | Thu, 4 May 2017 12:03:50 +0800 |
Below code path can dereference NULL pointer if using netif_add_noaddr which pass NULL to ipaddr/netmask/gw parameters of netif_add. netif_add() netif_set_addr() #if LWIP_NETIF_EXT_STATUS_CALLBACK ip4_addr_cmp() calls for ipaddr/gw/netmask #endif
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