Date: Wed, 12 Feb 2020 17:05:11 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r357830 - head/sys/netinet Message-ID: <202002121705.01CH5Bin096771@repo.freebsd.org>
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Author: tuexen Date: Wed Feb 12 17:05:10 2020 New Revision: 357830 URL: https://svnweb.freebsd.org/changeset/base/357830 Log: 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. MFC after: 1 week Modified: head/sys/netinet/sctp_pcb.c Modified: head/sys/netinet/sctp_pcb.c ============================================================================== --- head/sys/netinet/sctp_pcb.c Wed Feb 12 17:02:15 2020 (r357829) +++ head/sys/netinet/sctp_pcb.c Wed Feb 12 17:05:10 2020 (r357830) @@ -4634,9 +4634,6 @@ 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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