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[lwip-devel] [bug #57374] Assertion "this needs a pbuf in one piece!" fa
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From: |
Erik Ekman |
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Subject: |
[lwip-devel] [bug #57374] Assertion "this needs a pbuf in one piece!" failed |
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Date: |
Mon, 29 Jun 2020 20:00:53 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36 |
Follow-up Comment #4, bug #57374 (project lwip):
[comment #2 comment #2:]
> When it crashes, the newly allocated rambuf has len 38, and the remaining
user data has len 37. (IP6_HLEN=40)
Sorry, rambuf has len 48.
[comment #3 comment #3:]
>
> According to the documentation, all outgoing packets are supposed to use
PBUF_RAM and the correct level (PBUF_TRANSPORT in this case).
>
This is probably the reason why this bug has been here unnoticed for many
years. But since there are no checks it should accept any kinds and lengths of
pbufs.
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