* [binutils-gdb] PR29613, use of uninitialized value in objcopy
@ 2022-09-26 9:55 Alan Modra
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From: Alan Modra @ 2022-09-26 9:55 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c7afb87bea33c27c7e669b94275fb8c22d6f43bc
commit c7afb87bea33c27c7e669b94275fb8c22d6f43bc
Author: Alan Modra <amodra@gmail.com>
Date: Mon Sep 26 18:25:24 2022 +0930
PR29613, use of uninitialized value in objcopy
PR 29613
* elf.c (_bfd_elf_write_secondary_reloc_section): Trim sh_size
back to relocs written. Use better types for vars.
Diff:
---
bfd/elf.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/bfd/elf.c b/bfd/elf.c
index 9a0bc1d2740..396b56db024 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -13482,9 +13482,9 @@ _bfd_elf_write_secondary_reloc_section (bfd *abfd, asection *sec)
{
asymbol * last_sym;
int last_sym_idx;
- unsigned int reloc_count;
- unsigned int idx;
- unsigned int entsize;
+ size_t reloc_count;
+ size_t idx;
+ bfd_size_type entsize;
arelent * src_irel;
bfd_byte * dst_rela;
@@ -13525,7 +13525,8 @@ _bfd_elf_write_secondary_reloc_section (bfd *abfd, asection *sec)
}
reloc_count = hdr->sh_size / entsize;
- if (reloc_count <= 0)
+ hdr->sh_size = entsize * reloc_count;
+ if (reloc_count == 0)
{
_bfd_error_handler
/* xgettext:c-format */
@@ -13572,7 +13573,7 @@ _bfd_elf_write_secondary_reloc_section (bfd *abfd, asection *sec)
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%pB(%pA): error: reloc table entry %u is empty"),
+ (_("%pB(%pA): error: reloc table entry %zu is empty"),
abfd, relsec, idx);
bfd_set_error (bfd_error_bad_value);
result = false;
@@ -13597,7 +13598,7 @@ _bfd_elf_write_secondary_reloc_section (bfd *abfd, asection *sec)
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%pB(%pA): error: secondary reloc %u"
+ (_("%pB(%pA): error: secondary reloc %zu"
" references a missing symbol"),
abfd, relsec, idx);
bfd_set_error (bfd_error_bad_value);
@@ -13615,7 +13616,7 @@ _bfd_elf_write_secondary_reloc_section (bfd *abfd, asection *sec)
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%pB(%pA): error: secondary reloc %u"
+ (_("%pB(%pA): error: secondary reloc %zu"
" references a deleted symbol"),
abfd, relsec, idx);
bfd_set_error (bfd_error_bad_value);
@@ -13629,7 +13630,7 @@ _bfd_elf_write_secondary_reloc_section (bfd *abfd, asection *sec)
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%pB(%pA): error: secondary reloc %u"
+ (_("%pB(%pA): error: secondary reloc %zu"
" is of an unknown type"),
abfd, relsec, idx);
bfd_set_error (bfd_error_bad_value);
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2022-09-26 9:55 [binutils-gdb] PR29613, use of uninitialized value in objcopy Alan Modra
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