https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5754
Jakub Zawadzki <darkjames@xxxxxxxxxxxxxxxx> changed:
What |Removed |Added
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Attachment #6027| |review_for_checkin?
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--- Comment #3 from Jakub Zawadzki <darkjames@xxxxxxxxxxxxxxxx> 2011-03-16 14:38:34 PDT ---
Created an attachment (id=6027)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=6027)
Always ep_alloc last_ava before use.
valgrind log with WIRESHARK_DEBUG_EP_NO_CHUNKS:
==15434== 4 errors in context 3 of 401:
==15434== Invalid write of size 8
==15434== at 0x4C2A9A8: mempcpy (mc_replace_strmem.c:844)
==15434== by 0xA2CA72D: _IO_default_xsputn (in /lib64/libc-2.12.1.so)
==15434== by 0xA29EBC3: vfprintf (in /lib64/libc-2.12.1.so)
==15434== by 0xA33DFDB: __vsnprintf_chk (in /lib64/libc-2.12.1.so)
==15434== by 0x9B42888: g_snprintf (in /usr/lib64/libglib-2.0.so.0.2400.2)
==15434== by 0x669B749: dissect_x509if_T_atadv_value (x509if.cnf:260)
==15434== by 0x6087262: dissect_ber_sequence (packet-ber.c:2045)
it seems that ep-allocated last_ava is used after being freed...
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