https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #14 from Peter Wu ---
Fixed denial of service (assertion failure) in
v3.1.0rc0-704-gf3a86c02dd
v3.0.2rc0-43-g1f42a581cf
v2.6.9rc0-16-gff4b8613ff
This was only reproducible with fuzzshark as that allows larger packet sizes
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #13 from Gerrit Code Review ---
Change 33123 merged by Peter Wu:
frame: increase EXCEPTION_TREE_ITEMS.
https://code.wireshark.org/review/33123
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #12 from Gerrit Code Review ---
Change 33123 had a related patch set uploaded by Peter Wu:
frame: increase EXCEPTION_TREE_ITEMS.
https://code.wireshark.org/review/33123
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #11 from Gerrit Code Review ---
Change 33122 merged by Peter Wu:
frame: increase EXCEPTION_TREE_ITEMS.
https://code.wireshark.org/review/33122
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #10 from Gerrit Code Review ---
Change 33122 had a related patch set uploaded by Peter Wu:
frame: increase EXCEPTION_TREE_ITEMS.
https://code.wireshark.org/review/33122
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
Dario Lombardo changed:
What|Removed |Added
Status|CONFIRMED |RESOLVED
Resolution|---
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #9 from Gerrit Code Review ---
Change 33060 merged by Dario Lombardo:
frame: increase EXCEPTION_TREE_ITEMS.
https://code.wireshark.org/review/33060
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #8 from Peter Wu ---
Created attachment 17106
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=17106=edit
Backtraces for the exception and 7 proto items using v3.1.0rc0-662-gfd30adca44
I am still able to reproduce
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #7 from Gerrit Code Review ---
Change 33060 had a related patch set uploaded by Dario Lombardo:
frame: increase EXCEPTION_TREE_ITEMS by 2.
https://code.wireshark.org/review/33060
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #6 from Dario Lombardo ---
Actually it seems not to be the right crash point. Following step-by-step the
execution of the frame dissector, it looks to me the crash is happening at
packet-frame.c:593.
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Dario Lombardo changed:
What|Removed |Added
CC||lom...@gmail.com
--- Comment #5
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #4 from Peter Wu ---
The oss-fuzz issue reports:
> Fuzzer: afl_wireshark_fuzzshark_ip_proto-ospf
which might be the explanation for why max_len has no effect. Should this bug
be investigated/fixed first before introducing a
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
Jakub Zawadzki changed:
What|Removed |Added
CC||darkjames...@darkjames.pl
---
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #2 from Peter Wu ---
In order to reproduce this issue, I had to increase the maximum pcap size as
the payload is 490 kiB:
--- a/wiretap/wtap.h
+++ b/wiretap/wtap.h
@@ -405,3 +405,3 @@ extern "C" {
*/
-#define
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14978
--- Comment #1 from Peter Wu ---
Created attachment 16495
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=16495=edit
Packet capture file
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