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PR/44052: Takahiro HAYASHI: chrooted ntpd refers freed memory

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As mentioned in the pr, process_routing_msgs can delete the current reader,
so cache the next element before calling it.
This commit is contained in:
christos 2010-11-06 20:40:12 +00:00
parent 988094ed68
commit b155e612fc
1 changed files with 5 additions and 2 deletions
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7
external/bsd/ntp/dist/ntpd/ntp_io.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: ntp_io.c,v 1.2 2009/12/14 00:43:58 christos Exp $ */
/* $NetBSD: ntp_io.c,v 1.3 2010/11/06 20:40:12 christos Exp $ */
/*
* ntp_io.c - input/output routines for ntpd. The socket-opening code
@ -3355,11 +3355,14 @@ input_handler(
asyncio_reader = asyncio_reader_list;
while (asyncio_reader != NULL) {
struct asyncio_reader *next = asyncio_reader->link;
if (FD_ISSET(asyncio_reader->fd, &fds)) {
++select_count;
(asyncio_reader->receiver)(asyncio_reader);
}
asyncio_reader = asyncio_reader->link;
asyncio_reader = next;
}
#endif /* HAS_ROUTING_SOCKET */