* asan: null deref in coff_write_relocs
@ 2022-06-02 7:39 Alan Modra
0 siblings, 0 replies; only message in thread
From: Alan Modra @ 2022-06-02 7:39 UTC (permalink / raw)
To: binutils
* coffcode.h (coff_write_relocs): Don't deref NULL howto.
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 36e07025c6a..6de6ecdea39 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -2690,9 +2690,11 @@ coff_write_relocs (bfd * abfd, int first_undef)
#ifdef SELECT_RELOC
/* Work out reloc type from what is required. */
- SELECT_RELOC (n, q->howto);
+ if (q->howto)
+ SELECT_RELOC (n, q->howto);
#else
- n.r_type = q->howto->type;
+ if (q->howto)
+ n.r_type = q->howto->type;
#endif
coff_swap_reloc_out (abfd, &n, &dst);
--
Alan Modra
Australia Development Lab, IBM
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