From: Randy Dunlap rdunlap@infradead.org
[ 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 --- scripts/mod/modpost.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 238db4ffd30c..88b3dc19bbae 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -649,7 +649,7 @@ 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; @@ -1312,7 +1312,7 @@ 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++ = '_'; @@ -1332,7 +1332,7 @@ static char *sec2annotation(const char *s) strcat(p, " "); return r; } else { - return strdup(""); + return NOFAIL(strdup("")); } }
@@ -2033,7 +2033,7 @@ 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;