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| author | Ian Lance Taylor <iant@google.com> | 2015-09-08 13:49:19 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2015-09-08 13:49:19 +0000 |
| commit | 981d281fedcd06b027314608d6ea6743f314d81f (patch) | |
| tree | 922827d6ed2bdc06141a7e931cb78708f108bbc1 /libbacktrace | |
| parent | 6294855fa30c50db9aa8cfdab4ae97c39c7de2f4 (diff) | |
| download | gcc-981d281fedcd06b027314608d6ea6743f314d81f.zip gcc-981d281fedcd06b027314608d6ea6743f314d81f.tar.gz gcc-981d281fedcd06b027314608d6ea6743f314d81f.tar.bz2 | |
re PR other/67457 (segfault in libbacktrace)
PR other/67457
* mmap.c (backtrace_alloc): Correct test for mmap failure.
From-SVN: r227529
Diffstat (limited to 'libbacktrace')
| -rw-r--r-- | libbacktrace/ChangeLog | 5 | ||||
| -rw-r--r-- | libbacktrace/mmap.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog index f44a73d..92ec7a1 100644 --- a/libbacktrace/ChangeLog +++ b/libbacktrace/ChangeLog @@ -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. diff --git a/libbacktrace/mmap.c b/libbacktrace/mmap.c index 1ecf131..47c564f 100644 --- a/libbacktrace/mmap.c +++ b/libbacktrace/mmap.c @@ -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 { |