diff options
Diffstat (limited to 'update-index.c')
| -rw-r--r-- | update-index.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/update-index.c b/update-index.c index 5bbc3de289..11b7f6a516 100644 --- a/update-index.c +++ b/update-index.c @@ -338,7 +338,7 @@ static void read_index_info(int line_termination) struct strbuf buf; strbuf_init(&buf); while (1) { - char *ptr; + char *ptr, *tab; char *path_name; unsigned char sha1[20]; unsigned int mode; @@ -348,12 +348,15 @@ static void read_index_info(int line_termination) break; mode = strtoul(buf.buf, &ptr, 8); - if (ptr == buf.buf || *ptr != ' ' || - get_sha1_hex(ptr + 1, sha1) || - ptr[41] != '\t') + if (ptr == buf.buf || *ptr != ' ') goto bad_line; - ptr += 42; + tab = strchr(ptr, '\t'); + if (!tab || tab - ptr < 41) + goto bad_line; + if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ') + goto bad_line; + ptr = tab + 1; if (line_termination && ptr[0] == '"') path_name = unquote_c_style(ptr, NULL); |