Re: Issue 62071 in oss-fuzz: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare

2023-09-07 Thread Mark Wielaard
Hi Evgeny, Do you happen to know what clusterfuzz is trying to tell us? The detailed report and reproducer testcase are not accessible (they seems to require a google or github account to login). It looks like somehow a NULL key got into the search tree. But I cannot figure out how that would hap

Issue 62071 in oss-fuzz: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare

2023-09-07 Thread evv… via monorail via Elfutils-devel
Comment #1 on issue 62071 by evv...@gmail.com: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62071#c1 ``` SCARINESS: 10 (null-deref) #0 0x82d35d1 in chunk_compare /src/elfutils/libelf/elf_getdata_rawchunk.c:49:25 #1

Re: Issue 62071 in oss-fuzz: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare

2023-09-07 Thread Mark Wielaard
Hi Evgeny, On Thu, 2023-09-07 at 05:31 -0700, evv… via monorail via Elfutils-devel wrote: > Comment #1 on issue 62071 by evv...@gmail.com: elfutils:fuzz-libdwfl: > Null-dereference READ in chunk_compare > https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62071#c1 > > ``` > SCARINESS: 10 (nul

[PATCH] PR28204, debuginfod IMA

2023-09-07 Thread Frank Ch. Eigler via Elfutils-devel
Hi - Here's a squashed/rebased version of the big IMA patch. I also tweaked a few documentation oriented bits, and removed the "ima:default" tag. commit 4e45a08aee42958298a3fad6043cbf96243d13a5 (HEAD -> users/fche/try-bz28204, origin/users/fche/try-bz28204) Author: Ryan Goldberg Date: Mon A

Issue 62071 in oss-fuzz: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare

2023-09-07 Thread evv… via monorail via Elfutils-devel
Comment #2 on issue 62071 by evv...@gmail.com: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62071#c2 For some reason the testcase isn't public. I'll report it to OSS-Fuzz. I uploaded the test case to GitHub so now it should

Re: Issue 62071 in oss-fuzz: elfutils:fuzz-libdwfl: Null-dereference READ in chunk_compare

2023-09-07 Thread Mark Wielaard
On Thu, 2023-09-07 at 06:23 -0700, evv… via monorail via Elfutils-devel wrote: > Comment #2 on issue 62071 by evv...@gmail.com: elfutils:fuzz-libdwfl: > Null-dereference READ in chunk_compare > https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62071#c2 > > For some reason the testcase isn't p