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mn10300: ubsan: shift exponent too large

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* elf-m10300.c (mn10300_elf_relax_delete_bytes): Calculate
	alignment from reloc addend after reloc type R_MN10300_ALIGN is
	found.
This commit is contained in:
Alan Modra 2020-08-31 08:09:23 +09:30
parent 737d219034
commit 8f383897b6
2 changed files with 16 additions and 8 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2020-08-31 Alan Modra <amodra@gmail.com>
* elf-m10300.c (mn10300_elf_relax_delete_bytes): Calculate
alignment from reloc addend after reloc type R_MN10300_ALIGN is
found.
2020-08-30 Alan Modra <amodra@gmail.com>
PR 26435

18
bfd/elf-m10300.c
View file

@ -2418,17 +2418,19 @@ mn10300_elf_relax_delete_bytes (bfd *abfd,
are deleting. */
for (; irel < irelend; irel++)
{
int alignment = 1 << irel->r_addend;
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
&& irel->r_offset > addr
&& irel->r_offset < toaddr
&& (count < alignment
|| alignment % count != 0))
&& irel->r_offset < toaddr)
{
irelalign = irel;
toaddr = irel->r_offset;
break;
int alignment = 1 << irel->r_addend;
if (count < alignment
|| alignment % count != 0)
{
irelalign = irel;
toaddr = irel->r_offset;
break;
}
}
}
}