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| From: | Matthias Hofmann |
| Subject: | [lwip-devel] [bug #54062] Inconsequent null pointer checks |
| Date: | Wed, 13 Jun 2018 04:01:18 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 |
Follow-up Comment #16, bug #54062 (project lwip):
There are multiple functions that dereference pointer arguments without
checking them:
netif.c
- netif_set_ipaddr
- netif_set_gw
- netif_set_netmask
tcp_out.c
- tcp_output_alloc_header
- tcp_send_fin
- tcp_build_wnd_scale_option
- tcp_send_empty_ack
If for these function NULL is explicitly allowed, they need to be modified.
Currently they will crash if NULL is used as argument.
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