Date: Wed, 16 Oct 2002 13:11:17 -0700 (PDT) From: Phungte Ha <phungte@decru.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/44150: Diskless kernel may crash, depends on the root fs name Message-ID: <200210162011.g9GKBHRO053809@www.freebsd.org>
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>Number: 44150 >Category: misc >Synopsis: Diskless kernel may crash, depends on the root fs name >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Oct 16 13:20:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Phungte Ha >Release: 4.4. >Organization: Decru, Inc. >Environment: FreeBSD walnut 4.4-RELEASE FreeBSD 4.4-RELEASE #2: Wed Oct 16 12:45:39 PDT 2002 root@hw50.decru.com:/usr/src/sys/compile/DISKLESS i386 >Description: depends on the name of the root device, for instance: "nfs:phungte2:/local/diskless_root" the kernel can returns 1 from setrootbyname() in vfs_conf.c or can crash. >How-To-Repeat: >Fix: in setrootbyname(), the line parsing the name is currently like this: while (cp != '\0' && (*cp < '0' || *cp > '9')) cp++; it should rather be: while (cp != NULL && *cp != 0 || (*cp < '0' || *cp > '9')) cp++; The problem seems to be there still in 4.6.2 in getdiskbyname(). PS: Sorry for mistakenly submitting this report several times by typing TAB and CR while coping the source in... >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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