diff options
| author | Damien Zammit <damien@zamaudio.com> | 2017-09-03 21:04:41 +1000 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-09-13 19:25:14 +0000 |
| commit | 0025247171cff79fc955f70ed127a3de49c68d28 (patch) | |
| tree | 58d70d555d5c11a798a79b0a32b241bf235dff1a | |
| parent | 7bc0e4274928243df61e96a099d141d7251a3956 (diff) | |
rmodtool: Increase limit on number of symbols
An internal index `i` was previously allocated as
Elf64_Half which is uint16_t. Bumping to uint64_t
increases the number of allowed symbols and prevents
a segfault in processing a larger ramstage.debug file.
Also introduce a separate counter for the number of sections.
Change-Id: I9ad2f64c452cef2e7bf957f766600891cb5ae798
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/21360
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
| -rw-r--r-- | util/cbfstool/elfheaders.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/util/cbfstool/elfheaders.c b/util/cbfstool/elfheaders.c index 67f01d4df1..acb25a7475 100644 --- a/util/cbfstool/elfheaders.c +++ b/util/cbfstool/elfheaders.c @@ -435,7 +435,8 @@ symtab_read(const struct buffer *in, struct parsed_elf *pelf, { Elf64_Ehdr *ehdr; Elf64_Shdr *shdr; - Elf64_Half i; + Elf64_Half shnum; + Elf64_Xword i; Elf64_Xword nsyms; Elf64_Sym *sym; struct buffer b; @@ -443,17 +444,17 @@ symtab_read(const struct buffer *in, struct parsed_elf *pelf, ehdr = &pelf->ehdr; shdr = NULL; - for (i = 0; i < ehdr->e_shnum; i++) { - if (pelf->shdr[i].sh_type != SHT_SYMTAB) + for (shnum = 0; shnum < ehdr->e_shnum; shnum++) { + if (pelf->shdr[shnum].sh_type != SHT_SYMTAB) continue; if (shdr != NULL) { ERROR("Multiple symbol sections found. %u and %u\n", - (unsigned int)(shdr - pelf->shdr), i); + (unsigned int)(shdr - pelf->shdr), shnum); return -1; } - shdr = &pelf->shdr[i]; + shdr = &pelf->shdr[shnum]; } if (shdr == NULL) { |