Date: Thu, 7 May 2020 03:20:01 +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-11@freebsd.org Subject: svn commit: r360764 - stable/11/sys/netinet Message-ID: <202005070320.0473K1Hf027012@repo.freebsd.org>
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Author: tuexen Date: Thu May 7 03:20:01 2020 New Revision: 360764 URL: https://svnweb.freebsd.org/changeset/base/360764 Log: MFC r357830: Improve handling of memory allocation failure 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/11/sys/netinet/sctp_pcb.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/sctp_pcb.c ============================================================================== --- stable/11/sys/netinet/sctp_pcb.c Thu May 7 03:17:52 2020 (r360763) +++ stable/11/sys/netinet/sctp_pcb.c Thu May 7 03:20:01 2020 (r360764) @@ -4637,9 +4637,6 @@ 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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