Issue 45952 in oss-fuzz: elfutils:fuzz-libdwfl: Misaligned-address in elf_cvt_gnuhash

Issue 45952 in oss-fuzz: elfutils:fuzz-libdwfl: Misaligned-address in elf_cvt_gnuhash

[ClusterFuzz-External via monorail]

Status: New
Owner: ----
CC: elfut...@sourceware.org, da...@adalogics.com, evv...@gmail.com, izzeem@google.com 
Labels: ClusterFuzz Reproducible Stability-UndefinedBehaviorSanitizer Engine-libfuzzer OS-Linux Proj-elfutils Reported-2022-03-22
Type: Bug

New issue 45952 by ClusterFuzz-External: elfutils:fuzz-libdwfl: Misaligned-address in elf_cvt_gnuhash
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45952

Detailed Report: https://oss-fuzz.com/testcase?key=6331966935400448

Project: elfutils
Fuzzing Engine: libFuzzer
Fuzz Target: fuzz-libdwfl
Job Type: libfuzzer_ubsan_elfutils
Platform Id: linux

Crash Type: Misaligned-address
Crash Address: 
Crash State:
  elf_cvt_gnuhash
  __libelf_set_data_list_rdlock
  __elf_getdata_rdlock
  
Sanitizer: undefined (UBSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_elfutils&range=202203161800:202203170000

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6331966935400448

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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Issue 45952 in oss-fuzz: elfutils:fuzz-libdwfl: Misaligned-address in elf_cvt_gnuhash

[ClusterFuzz-External via monorail]

Updates:
	Labels: ClusterFuzz-Verified
	Status: Verified

Comment #1 on issue 45952 by ClusterFuzz-External: elfutils:fuzz-libdwfl: Misaligned-address in elf_cvt_gnuhash
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45952#c1

ClusterFuzz testcase 6331966935400448 is verified as fixed in https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_elfutils&range=202203230602:202203231200

If this is incorrect, please file a bug on https://github.com/google/oss-fuzz/issues/new

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