4.18-stable review patch. If anyone has any objections, please let me know.
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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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- scripts/mod/modpost.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -672,7 +672,7 @@ static void handle_modversions(struct mo 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; @@ -1318,7 +1318,7 @@ static Elf_Sym *find_elf_symbol2(struct 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++ = '_'; @@ -1338,7 +1338,7 @@ static char *sec2annotation(const char * strcat(p, " "); return r; } else { - return strdup(""); + return NOFAIL(strdup("")); } }
@@ -2036,7 +2036,7 @@ void buf_write(struct buffer *buf, const { 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;