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Fix possible out-of-bounds read in inotify_event parser

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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2021-03-05 11:16:37 +01:00
parent 07a364e570
commit 6011f91f22
1 changed files with 6 additions and 0 deletions
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src/conf.c
+6
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@@ -815,7 +815,13 @@ static void conf_cb(uev_t *w, void *arg, int events)
for (off = 0; off < sz; off += sizeof(*ev) + ev->len) {
struct iwatch_path *iwp;
if (off + sizeof(*ev) >= sizeof(ev_buf))
break;
ev = (struct inotify_event *)&ev_buf[off];
if (off + sizeof(*ev) + ev->len >= sizeof(ev_buf))
break;
if (!ev->mask)
continue;