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PR26419, ASAN: mn10300_elf_relax_section elf-m10300.c:3943

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PR 26419
	* elf-m10300.c (mn10300_elf_relax_section): Don't attempt access
	before start of section.
This commit is contained in:
Alan Modra
2020-08-25 09:37:23 +09:30
parent 30b940a097
commit b8ff233b54
2 changed files with 8 additions and 2 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2020-08-25 Alan Modra <amodra@gmail.com>
PR 26419
* elf-m10300.c (mn10300_elf_relax_section): Don't attempt access
before start of section.
2020-08-25 Alan Modra <amodra@gmail.com> 2020-08-25 Alan Modra <amodra@gmail.com>
* elf-m10300.c (elf32_mn10300_hash_table): Test is_elf_hash_table * elf-m10300.c (elf32_mn10300_hash_table): Test is_elf_hash_table

4
bfd/elf-m10300.c
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@ -3932,7 +3932,7 @@ mn10300_elf_relax_section (bfd *abfd,
/* See if the value will fit in 24 bits. /* See if the value will fit in 24 bits.
We allow any 16bit match here. We prune those we can't We allow any 16bit match here. We prune those we can't
handle below. */ handle below. */
if ((long) value < 0x7fffff && (long) value > -0x800000) if (value + 0x800000 < 0x1000000 && irel->r_offset >= 3)
{ {
unsigned char code; unsigned char code;
@ -4003,7 +4003,7 @@ mn10300_elf_relax_section (bfd *abfd,
/* See if the value will fit in 16 bits. /* See if the value will fit in 16 bits.
We allow any 16bit match here. We prune those we can't We allow any 16bit match here. We prune those we can't
handle below. */ handle below. */
if ((long) value < 0x7fff && (long) value > -0x8000) if (value + 0x8000 < 0x10000 && irel->r_offset >= 2)
{ {
unsigned char code; unsigned char code;