Date: Sun, 23 Aug 2020 21:19:17 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r364546 - stable/12/sys/netinet Message-ID: <202008232119.07NLJH0C054435@repo.freebsd.org>
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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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