From: Alan Modra <amodra@gmail.com>
To: binutils@sourceware.org
Subject: PR26453 UBSAN: som.c:2885 null pointer memcpy
Date: Wed, 26 Aug 2020 23:18:10 +0930 [thread overview]
Message-ID: <20200826134810.GL15695@bubble.grove.modra.org> (raw)
PR 26453
* som.c (som_prep_for_fixups): Return early when no symbols.
diff --git a/bfd/som.c b/bfd/som.c
index 4f0a606c18..93a0ad89d5 100644
--- a/bfd/som.c
+++ b/bfd/som.c
@@ -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. */
--
Alan Modra
Australia Development Lab, IBM
reply other threads:[~2020-08-26 13:48 UTC|newest]
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