https://sourceware.org/bugzilla/show_bug.cgi?id=21582
Bug ID: 21582
Summary: stack-buffer-overflow in ieee_object_p
Product: binutils
Version: 2.29 (HEAD)
Status: UNCONFIRMED
Severity: normal
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 and AddressSanitizer.
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 command I used was `objdump -D <file>`.
Let me know if there is any additional information I can provide.
--
Input: ef51bcdcaae667058b002f94b5dafd05.12926af7cc4fab77f87a3ec70a329100.min
Output: ef51bcdcaae667058b002f94b5dafd05.12926af7cc4fab77f87a3ec70a329100.txt
Error in "ieee_object_p": stack-buffer-overflow
in ieee_object_p at bfd/ieee.c:1985
(see
https://github.com/bminor/binutils-gdb/blob/561bf3e950e410fbcac06523d43039f1f58150ca/bfd/ieee.c#L1985)
in bfd_check_format_matches at bfd/format.c:311
(see
https://github.com/bminor/binutils-gdb/blob/561bf3e950e410fbcac06523d43039f1f58150ca/bfd/format.c#L311)
in display_object_bfd at binutils/objdump.c:3602
(see
https://github.com/bminor/binutils-gdb/blob/561bf3e950e410fbcac06523d43039f1f58150ca/binutils/objdump.c#L3602)
in display_any_bfd at binutils/objdump.c:3693
(see
https://github.com/bminor/binutils-gdb/blob/561bf3e950e410fbcac06523d43039f1f58150ca/binutils/objdump.c#L3693)
in display_file at binutils/objdump.c:3714
(see
https://github.com/bminor/binutils-gdb/blob/561bf3e950e410fbcac06523d43039f1f58150ca/binutils/objdump.c#L3714)
in main at binutils/objdump.c:4016
(see
https://github.com/bminor/binutils-gdb/blob/561bf3e950e410fbcac06523d43039f1f58150ca/binutils/objdump.c#L4016)
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