Date: Fri, 15 Dec 2017 23:16:47 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r326886 - head/stand/libsa Message-ID: <201712152316.vBFNGlwu041262@repo.freebsd.org>
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Author: imp Date: Fri Dec 15 23:16:47 2017 New Revision: 326886 URL: https://svnweb.freebsd.org/changeset/base/326886 Log: Panic in sbrk if setheap hasn't been called yet. This is preferable to a mysterious crash. Sponsored by: Netflix Modified: head/stand/libsa/sbrk.c Modified: head/stand/libsa/sbrk.c ============================================================================== --- head/stand/libsa/sbrk.c Fri Dec 15 23:16:42 2017 (r326885) +++ head/stand/libsa/sbrk.c Fri Dec 15 23:16:47 2017 (r326886) @@ -52,6 +52,9 @@ sbrk(int incr) { char *ret; + if (heapbase == 0) + panic("No heap setup\n"); + if ((heapsize + incr) <= maxheap) { ret = (char *)heapbase + heapsize; bzero(ret, incr);
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