[Bug libdw/28720] UBSan: member access within misaligned address 0x7f6e8d80f142 for type 'struct Elf32_Phdr', which requires 4 byte alignment

2022-01-04 Thread evvers at ya dot ru via Elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=28720 --- Comment #11 from Evgeny Vereshchagin --- (In reply to Mark Wielaard from comment #10) > That is a different issue than the one reported in comment #5. > This bug might be split up for the different issues found. Sorry. I seem to have over

[Bug libdw/28720] UBSan: member access within misaligned address 0x7f6e8d80f142 for type 'struct Elf32_Phdr', which requires 4 byte alignment

2022-01-04 Thread mark at klomp dot org via Elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=28720 --- Comment #10 from Mark Wielaard --- (In reply to Evgeny Vereshchagin from comment #8) > (In reply to Mark Wielaard from comment #7) > > commit 9f70a762ab88ceebb8a48a7c9c3ce39ff7f205af > > Author: Mark Wielaard > > Date: Fri Dec 24 02:01:

[Bug libdw/28720] UBSan: member access within misaligned address 0x7f6e8d80f142 for type 'struct Elf32_Phdr', which requires 4 byte alignment

2022-01-04 Thread evvers at ya dot ru via Elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=28720 --- Comment #9 from Evgeny Vereshchagin --- According to OSS-Fuzz looks like that commit triggered https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43307 (which was also reported in https://sourceware.org/pipermail/elfutils-devel/2022q1/0

Issue 43307 in oss-fuzz: elfutils:fuzz-dwfl-core: Crash in read_addrs

2022-01-04 Thread ClusterFuzz-External via monorail via Elfutils-devel
Updates: Labels: Fuzz-Blocker Comment #1 on issue 43307 by ClusterFuzz-External: elfutils:fuzz-dwfl-core: Crash in read_addrs https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43307#c1 This crash occurs very frequently on linux platform and is likely preventing the fuzzer fuzz-dwfl-

[Bug libdw/28720] UBSan: member access within misaligned address 0x7f6e8d80f142 for type 'struct Elf32_Phdr', which requires 4 byte alignment

2022-01-04 Thread evvers at ya dot ru via Elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=28720 --- Comment #8 from Evgeny Vereshchagin --- (In reply to Mark Wielaard from comment #7) > commit 9f70a762ab88ceebb8a48a7c9c3ce39ff7f205af > Author: Mark Wielaard > Date: Fri Dec 24 02:01:32 2021 +0100 > > libdwfl: Calculate addr to rea

Issue 43307 in oss-fuzz: elfutils:fuzz-dwfl-core: Crash in read_addrs

2022-01-04 Thread ClusterFuzz-External via monorail via Elfutils-devel
Status: New Owner: CC: elfut...@sourceware.org, evv...@gmail.com, izz...@google.com Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Security_Severity-Medium Proj-elfutils Reported-2022-01-04 Type: Bug-Security New issue 43307 by ClusterFuzz-Exte

Issue 42877 in oss-fuzz: elfutils:fuzz-dwfl-core: Crash in dwfl_segment_report_module

2022-01-04 Thread ClusterFuzz-External via monorail via Elfutils-devel
Updates: Labels: ClusterFuzz-Verified Status: Verified Comment #2 on issue 42877 by ClusterFuzz-External: elfutils:fuzz-dwfl-core: Crash in dwfl_segment_report_module https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42877#c2 ClusterFuzz testcase 4756614962348032 is verified