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PR26478 UBSAN: mmo.c:2941 null pointer memcpy

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PR 26478
	* mmo.c (mmo_write_symbols_and_terminator): Don't memcpy empty table.
This commit is contained in:
Alan Modra
2020-08-26 18:32:30 +09:30
parent 55e61b8ad9
commit 00bc5e68b2
2 changed files with 7 additions and 1 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 26478
* mmo.c (mmo_write_symbols_and_terminator): Don't memcpy empty table.
2020-08-26 Alan Modra <amodra@gmail.com> 2020-08-26 Alan Modra <amodra@gmail.com>
PR 26475 PR 26475

1
bfd/mmo.c
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@ -2938,6 +2938,7 @@ mmo_write_symbols_and_terminator (bfd *abfd)
if (table == NULL) if (table == NULL)
return FALSE; return FALSE;
if (count != 0)
memcpy (table, orig_table, count * sizeof (asymbol *)); memcpy (table, orig_table, count * sizeof (asymbol *));
/* Move :Main (if there is one) to the first position. This is /* Move :Main (if there is one) to the first position. This is