diff options
| author | Randy Dunlap <rdunlap@infradead.org> | 2018-08-15 12:30:38 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-15 09:45:27 +0200 |
| commit | ab4bddc2d032b175c4c9689a6a6f3e50d1c66f5a (patch) | |
| tree | 5b0d9e38797943f9fe427637c5610b50dfbc9dde /scripts | |
| parent | 7bbf1e8a2471d3f604bf91578ebed067461ba4e7 (diff) | |
scripts: modpost: check memory allocation results
[ Upstream commit 1f3aa9002dc6a0d59a4b599b4fc8f01cf43ef014 ]
Fix missing error check for memory allocation functions in
scripts/mod/modpost.c.
Fixes kernel bugzilla #200319:
https://bugzilla.kernel.org/show_bug.cgi?id=200319
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Yuexing Wang <wangyxlandq@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/mod/modpost.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 54deaa1066cf..957f6041dd79 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -677,7 +677,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, if (ELF_ST_TYPE(sym->st_info) == STT_SPARC_REGISTER) break; if (symname[0] == '.') { - char *munged = strdup(symname); + char *munged = NOFAIL(strdup(symname)); munged[0] = '_'; munged[1] = toupper(munged[1]); symname = munged; @@ -1329,7 +1329,7 @@ static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr, static char *sec2annotation(const char *s) { if (match(s, init_exit_sections)) { - char *p = malloc(20); + char *p = NOFAIL(malloc(20)); char *r = p; *p++ = '_'; @@ -1349,7 +1349,7 @@ static char *sec2annotation(const char *s) strcat(p, " "); return r; } else { - return strdup(""); + return NOFAIL(strdup("")); } } @@ -2050,7 +2050,7 @@ void buf_write(struct buffer *buf, const char *s, int len) { if (buf->size - buf->pos < len) { buf->size += len + SZ; - buf->p = realloc(buf->p, buf->size); + buf->p = NOFAIL(realloc(buf->p, buf->size)); } strncpy(buf->p + buf->pos, s, len); buf->pos += len; |