Date: Tue, 16 Dec 1997 08:22:17 -0800 From: David Greenman <dg@root.com> To: cvs-committers@FreeBSD.ORG Cc: cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern kern_exec.c Message-ID: <199712161622.IAA08136@implode.root.com>
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>davidg 1997/12/16 07:40:31 PST > > Modified files: > sys/kern kern_exec.c > Log: > Fix bug where a struct buf was free()'d back to the system malloc pool. > Quite amazing that the system runs at all with this bug. Also present in > 2.2.5. The bug appears to have come in with changes in rev 1.53. > > PR: might fix PR#5313 > Submitted by: bde > > Revision Changes Path > 1.70 +3 -4 src/sys/kern/kern_exec.c This log message is somewhat wrong. It's not the struct buf that was being free()'d, but rather the buffer mapping/target of the struct buf (the filesystem data). A serious bug nonetheless, and I can hardly imagine what this might do to the system. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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