On Sunday 23 October 2011 23:53:04 Daniel Stenberg wrote:
> ==17087== Invalid read of size 4
> ==17087== at 0x4043967: idna_to_ascii_4z (idna.c:519)
> ==17087== by 0x4043BF4: idna_to_ascii_8z (idna.c:570)
> ==17087== by 0x808237B: resolve_server (url.c:4572)
> ==17087== by 0x808331A: create_conn (url.c:5063)
> ==17087== by 0x80835A0: Curl_connect (url.c:5194)
> ==17087== by 0x808F3A9: connect_host (transfer.c:1988)
> ==17087== by 0x808F683: Curl_do_perform (transfer.c:2126)
> ==17087== by 0x808F9E9: Curl_perform (transfer.c:2272)
> ==17087== by 0x8064DCD: curl_easy_perform (easy.c:537)
> ==17087== by 0x805A551: operate (tool_operate.c:1217)
> ==17087== by 0x8055F30: main (tool_main.c:92)

This is a known issue:

https://bugzilla.redhat.com/678518#c2

You can try to recompile libidn with -fno-builtin-strlen or tweak the gcc
optimization flags in another way. There is no available fix/workaround
for valgrind I would be aware of.

Kamil
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Received on 2011-10-24