https://sourceware.org/bugzilla/show_bug.cgi?id=29983
Bug ID: 29983
Summary: 2.36+ type confusion in outdated-input warning causes
out-of-bounds access and possible overwrite
Product: binutils
Version: 2.36
Status: NEW
Severity: normal
Priority: P2
Component: libctf
Assignee: unassigned at sourceware dot org
Reporter: nick.alcock at oracle dot com
Target Milestone: ---
The observed failure looks like this when running the testsuite:
failed with: <CTF error: /usr/src/binutils-gdb/ld/testsuite/ld-ctf/A.c (0):
lookup failure for type 3: flags 1
CTF error: /usr/src/binutils-gdb/ld/testsuite/ld-ctf/A.c (0): error doing
struct/union member type hashing: during type hashing for type 80000001, kind 6
CTF error: deduplication failed for
/usr/src/binutils-gdb/ld/testsuite/ld-ctf/A.c
/home/ibhagat/ibhagat/BINUTILS-GDB/objdir/ld/.libs/lt-ld-new: warning: CTF
linking failed; output will have no CTF section: The parent CTF dictionary is
unavailable.
Segmentation fault>, expected: <CTF linking failed; output will have no CTF
section: The parent CTF dictionary is unavailable>
FAIL: Diagnostics - No parent dictionary
Originally reported by Matthias Klose: Indu Bhagat provided a nice traceback
and much invaluable debugging without which tracking this down would have been
a nightmare. Thank you both!
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