svn commit: r364546 - stable/12/sys/netinet
Michael Tuexen
tuexen at FreeBSD.org
Sun Aug 23 21:19:18 UTC 2020
Author: tuexen
Date: Sun Aug 23 21:19:17 2020
New Revision: 364546
URL: https://svnweb.freebsd.org/changeset/base/364546
Log:
MFC r357830:
Don't panic under INVARIANTS when we can't allocate memory for storing
a vtag in time wait.
This issue was found by running syzkaller.
Modified:
stable/12/sys/netinet/sctp_pcb.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/netinet/sctp_pcb.c
==============================================================================
--- stable/12/sys/netinet/sctp_pcb.c Sun Aug 23 21:12:37 2020 (r364545)
+++ stable/12/sys/netinet/sctp_pcb.c Sun Aug 23 21:19:17 2020 (r364546)
@@ -4631,9 +4631,6 @@ sctp_add_vtag_to_timewait(uint32_t tag, uint32_t time,
SCTP_MALLOC(twait_block, struct sctp_tagblock *,
sizeof(struct sctp_tagblock), SCTP_M_TIMW);
if (twait_block == NULL) {
-#ifdef INVARIANTS
- panic("Can not alloc tagblock");
-#endif
return;
}
memset(twait_block, 0, sizeof(struct sctp_tagblock));
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