https://sourceware.org/bugzilla/show_bug.cgi?id=21653
Bug ID: 21653
Summary: SEGV on unknown address in setup_sections
Product: binutils
Version: 2.29 (HEAD)
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: aadamski at quarkslab dot com
Target Milestone: ---
Hello there,
I have been fuzzing objdump with American Fuzzy Lop + ASAN/UBSAN.
Please find attached the minimized file causing the issue ("Input") and the
ASAN report log ("Output"). Below is the reduced stacktrace with links to the
corresponding source lines on a GitHub mirror.
The configuration settings used were `--enable-targets=all --disable-shared`.
The compilation flags used were `-g -O2 -fno-omit-frame-pointer
-fsanitize=address -fno-sanitize-recover=all`. The command used was `objdump
-afpxDSsgetTrR <file>`.
Let me know if there is any additional information I can provide.
--
Input: 101107335742c098ad15634068b864be.35b6cb14f553b74eda060c665efbc06b.min
Output: 101107335742c098ad15634068b864be.35b6cb14f553b74eda060c665efbc06b.txt
Error in "setup_sections": SEGV on unknown address 0x60200100010f (pc
0x7ffff6f72c3a bp 0x7fffffffdc90 sp 0x7fffffffd418 T0)
in setup_sections at bfd/som.c:2195
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/bfd/som.c#L2195)
in som_object_p at bfd/som.c:2511
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/bfd/som.c#L2511)
in bfd_check_format_matches at bfd/format.c:311
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/bfd/format.c#L311)
in display_object_bfd at binutils/objdump.c:3608
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/binutils/objdump.c#L3608)
in display_any_bfd at binutils/objdump.c:3699
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/binutils/objdump.c#L3699)
in display_file at binutils/objdump.c:3720
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/binutils/objdump.c#L3720)
in main at binutils/objdump.c:4024
(see
https://github.com/bminor/binutils-gdb/blob/a6cab9afd2c81465265c8d09569e3e6ef43d2954/binutils/objdump.c#L4024)
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