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| author | Bryan Cantrill <bryan@joyent.com> | 2015-07-06 19:51:59 +0000 |
|---|---|---|
| committer | Bryan Cantrill <bryan@joyent.com> | 2015-07-06 19:51:59 +0000 |
| commit | a834edec4adced4d5f36b3595035c02853fc4326 (patch) | |
| tree | 65a927e400862a46a7135d0fea1a9740bc0f54f7 | |
| parent | f11c74658e3c80dcffe8244d5ae6a22c62e8f395 (diff) | |
| download | illumos-joyent-a834edec4adced4d5f36b3595035c02853fc4326.tar.gz | |
OS-4487 elfdump can die on truncated ELF files
| -rw-r--r-- | usr/src/cmd/sgs/elfdump/common/elfdump.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/usr/src/cmd/sgs/elfdump/common/elfdump.c b/usr/src/cmd/sgs/elfdump/common/elfdump.c index b2dd0afe1d..fb4f9f6883 100644 --- a/usr/src/cmd/sgs/elfdump/common/elfdump.c +++ b/usr/src/cmd/sgs/elfdump/common/elfdump.c @@ -25,6 +25,10 @@ */ /* + * Copyright (c) 2015, Joyent, Inc. All rights reserved. + */ + +/* * Dump an elf file. */ #include <stddef.h> @@ -4747,6 +4751,7 @@ shdr_cache(const char *file, Elf *elf, Ehdr *ehdr, size_t shstrndx, * final bytes. */ if ((_cache->c_shdr->sh_type == SHT_STRTAB) && + (_cache->c_data != NULL) && (_cache->c_data->d_buf != NULL) && (_cache->c_data->d_size > 0)) { const char *s = _cache->c_data->d_buf; |