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re PR other/67457 (segfault in libbacktrace)

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PR other/67457
	* mmap.c (backtrace_alloc): Correct test for mmap failure.

From-SVN: r227529
This commit is contained in:
Ian Lance Taylor
2015-09-08 13:49:19 +00:00
committed by Ian Lance Taylor
parent 6294855fa3
commit 981d281fed
2 changed files with 6 additions and 1 deletions
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5
libbacktrace/ChangeLog
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@@ -1,3 +1,8 @@
2015-09-08 Ian Lance Taylor <iant@google.com>
PR other/67457
* mmap.c (backtrace_alloc): Correct test for mmap failure.
2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* configure.ac: For spu-*-* targets, set have_fcntl to no.

2
libbacktrace/mmap.c
View File

@@ -139,7 +139,7 @@ backtrace_alloc (struct backtrace_state *state,
asksize = (size + pagesize - 1) & ~ (pagesize - 1);
page = mmap (NULL, asksize, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (page == NULL)
if (page == MAP_FAILED)
error_callback (data, "mmap", errno);
else
{