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[Bug binutils/26469] UBSAN error: bfd/elflink.c:8742:7:
From: |
cvs-commit at gcc dot gnu.org |
Subject: |
[Bug binutils/26469] UBSAN error: bfd/elflink.c:8742:7: |
Date: |
Thu, 27 Aug 2020 12:36:33 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=26469
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot
gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=4b69ce9b9121090ac42cf8fa20b949bbd9afff95
commit 4b69ce9b9121090ac42cf8fa20b949bbd9afff95
Author: Alan Modra <amodra@gmail.com>
Date: Thu Aug 27 21:44:41 2020 +0930
PR26469 UBSAN: elflink.c:8742 shift exponent 6148914691236511722
PR 26469
* elflink.c: Include limits.h.
(CHAR_BIT): Provide fallback define.
(set_symbol_value): Correct complex reloc comment.
(undefined_reference): Set bfd_error.
(BINARY_OP_HEAD, BINARY_OP_TAIL): Split out from..
(BINARY_OP): ..this.
(eval_symbol): Limit shifts. Force unsigned for left shift.
Catch divide by zero.
* configure.ac (AC_CHECK_HEADERS): Combine, sort and add limits.h.
* configure: Regenerate.
* config.in: Regenerate.
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