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[v3.7] Crash if enabling v4-mapping-to-v6 and DHCPv4 #76360

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jukkar opened this issue Jul 27, 2024 · 0 comments
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[v3.7] Crash if enabling v4-mapping-to-v6 and DHCPv4 #76360

jukkar opened this issue Jul 27, 2024 · 0 comments
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@jukkar @rlubos
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area: Networking bug The issue is a bug, or the PR is fixing a bug priority: medium Medium impact/importance bug
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v3.7.1

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@jukkar
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jukkar commented Jul 27, 2024

If user enables CONFIG_NET_IPV4_MAPPING_TO_IPV6 and CONFIG_NET_DHCPV4 at the same time, then net_dhcpv4_init() will call net_udp_register() with NULL net_context pointer. This in turn will cause a NULL pointer access when checking V6ONLY socket option.
@jukkar jukkar added bug The issue is a bug, or the PR is fixing a bug priority: medium Medium impact/importance bug labels Jul 27, 2024
@jukkar jukkar added this to the v3.7.1 milestone Jul 27, 2024
This was referenced Jul 27, 2024
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@carlescufi carlescufi changed the title Crash if enabling v4-mapping-to-v6 and DHCPv4 [v3.7] Crash if enabling v4-mapping-to-v6 and DHCPv4 Jul 31, 2024
@jukkar jukkar mentioned this issue Aug 12, 2024
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area: Networking bug The issue is a bug, or the PR is fixing a bug priority: medium Medium impact/importance bug
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v3.7.1
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@jukkar @carlescufi @rlubos @awojasinski