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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-29 16:39:03 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-29 16:39:03 -0400 |
| commit | 6ef76f3b515c45a83f7831f806bf97a2af9ed008 (patch) | |
| tree | 098c3c6dfe036e5e7c45e216ae8dbd1885d11fbb | |
| parent | 9beb2334930db81ceada5aa6051fe5ac0554db32 (diff) | |
| download | glibc-6ef76f3b515c45a83f7831f806bf97a2af9ed008.zip glibc-6ef76f3b515c45a83f7831f806bf97a2af9ed008.tar.gz glibc-6ef76f3b515c45a83f7831f806bf97a2af9ed008.tar.bz2 | |
Avoid assertion in processes with VM in bad shape
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | malloc/malloc.c | 8 |
2 files changed, 8 insertions, 4 deletions
@@ -1,5 +1,9 @@ 2011-10-29 Ulrich Drepper <drepper@gmail.com> + [BZ #13276] + * malloc/malloc.c (munmap_chunk): Don't use assertion to check munmap + return value. + * posix/sys/wait.h: Mark wait and wait4 with __THROWNL. * libio/stdio.h: Mark sprintf, vsprintf snprintf, vsnprintf, vasprintf, asprintf, __asprintf, obstack_printf, obstack_vprintf with __THROWNL. diff --git a/malloc/malloc.c b/malloc/malloc.c index 864c7d9..8608083 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2855,10 +2855,10 @@ munmap_chunk(mchunkptr p) mp_.n_mmaps--; mp_.mmapped_mem -= total_size; - int ret __attribute__ ((unused)) = munmap((char *)block, total_size); - - /* munmap returns non-zero on failure */ - assert(ret == 0); + /* If munmap failed the process virtual memory address space is in a + bad shape. Just leave the block hanging around, the process will + terminate shortly anyway since not much can be done. */ + munmap((char *)block, total_size); } #if HAVE_MREMAP |