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PR26453 UBSAN: som.c:2885 null pointer memcpy

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PR 26453
	* som.c (som_prep_for_fixups): Return early when no symbols.
This commit is contained in:
Alan Modra
2020-08-26 17:58:40 +09:30
parent d8d6da137d
commit 66ad6b4458
2 changed files with 8 additions and 0 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2020-08-26 Alan Modra <amodra@gmail.com>
PR 26453
* som.c (som_prep_for_fixups): Return early when no symbols.
2020-08-26 Alan Modra <amodra@gmail.com>
PR 26418

3
bfd/som.c
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@ -2804,6 +2804,9 @@ som_prep_for_fixups (bfd *abfd, asymbol **syms, unsigned long num_syms)
asymbol **sorted_syms;
size_t amt;
if (num_syms == 0)
return TRUE;
/* Most SOM relocations involving a symbol have a length which is
dependent on the index of the symbol. So symbols which are
used often in relocations should have a small index. */