diff options
Diffstat (limited to 'src/account/indication_common.c')
| -rw-r--r-- | src/account/indication_common.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/account/indication_common.c b/src/account/indication_common.c index 22391e3..88d16a0 100644 --- a/src/account/indication_common.c +++ b/src/account/indication_common.c @@ -159,14 +159,20 @@ bool watcher(AccountIndication *ind, void **data) do { int len = 0, i = 0; - if ((len = read(ind->inotify_fd, buffer, BUF_LEN)) < 0) { + if ((len = read(ind->inotify_fd, buffer, BUF_LEN)) < 0 || len > (int) BUF_LEN) { warn("account watcher: error reading from inotify fd: %s", strerror(errno)); watcher_destroy(ind); watcher_init(ind); return false; } - while (i < len) { + while (i + (ssize_t) EVENT_SIZE < len) { struct inotify_event *event = (struct inotify_event *) &buffer[i]; + if (i + (ssize_t) EVENT_SIZE + event->len >= len) { + error("Unable to create watcher, inotify initialization failed"); + watcher_destroy(ind); + watcher_init(ind); + return false; + } switch (event->mask) { case IN_MODIFY: case IN_CLOSE_WRITE: |