Date: Sun, 10 Jul 2005 23:31:11 +0000 (UTC) From: David Xu <davidxu@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/alpha/alpha vm_machdep.c src/sys/amd64/amd64 sys_machdep.c vm_machdep.c src/sys/arm/arm vm_machdep.c src/sys/i386/i386 vm_machdep.c src/sys/ia64/ia64 vm_machdep.c src/sys/kern kern_thr.c src/sys/powerpc/powerpc vm_machdep.c ... Message-ID: <200507102331.j6ANVBfn041824@repoman.freebsd.org>
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davidxu 2005-07-10 23:31:11 UTC
FreeBSD src repository
Modified files:
sys/alpha/alpha vm_machdep.c
sys/amd64/amd64 sys_machdep.c vm_machdep.c
sys/arm/arm vm_machdep.c
sys/i386/i386 vm_machdep.c
sys/ia64/ia64 vm_machdep.c
sys/kern kern_thr.c
sys/powerpc/powerpc vm_machdep.c
sys/sparc64/sparc64 vm_machdep.c
sys/sys proc.h
Log:
Validate if the value written into {FS,GS}.base is a canonical
address, writting non-canonical address can cause kernel a panic,
by restricting base values to 0..VM_MAXUSER_ADDRESS, ensuring
only canonical values get written to the registers.
Reviewed by: peter, Josepha Koshy < joseph.koshy at gmail dot com >
Approved by: re (scottl)
Revision Changes Path
1.110 +2 -1 src/sys/alpha/alpha/vm_machdep.c
1.90 +39 -12 src/sys/amd64/amd64/sys_machdep.c
1.248 +5 -1 src/sys/amd64/amd64/vm_machdep.c
1.17 +2 -1 src/sys/arm/arm/vm_machdep.c
1.259 +2 -1 src/sys/i386/i386/vm_machdep.c
1.90 +2 -1 src/sys/ia64/ia64/vm_machdep.c
1.34 +6 -1 src/sys/kern/kern_thr.c
1.110 +2 -1 src/sys/powerpc/powerpc/vm_machdep.c
1.74 +2 -1 src/sys/sparc64/sparc64/vm_machdep.c
1.432 +1 -1 src/sys/sys/proc.h
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