Date: Sun, 6 Mar 2011 17:57:05 -0500 From: "Devon H. O'Dell" <devon.odell@gmail.com> To: Oliver Pinter <oliver.pntr@gmail.com> Cc: freebsd-bugs@freebsd.org, FreeBSD-gnats-submit@freebsd.org Subject: Re: kern/155321: imgact_shell integer underflow when argv[0] is longer than interp + path Message-ID: <AANLkTi=MCLXuSH5b_4chfMjsCjyudV6-82-C0FvzKG8U@mail.gmail.com> In-Reply-To: <AANLkTi=dUkneFhOMh_R6d7jS1og32xrBGo=%2B_LjedgHL@mail.gmail.com> References: <201103061956.p26JutYe064887@red.freebsd.org> <201103062000.p26K0InG097407@freefall.freebsd.org> <AANLkTinQqtBD1ANhjs6P3gb5EJL4MhPUcLiPfo%2BmpNEX@mail.gmail.com> <AANLkTi=dUkneFhOMh_R6d7jS1og32xrBGo=%2B_LjedgHL@mail.gmail.com>
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Yeah, this has been a bug for quite some time. --dho 2011/3/6 Oliver Pinter <oliver.pntr@gmail.com>: > under 7.4 exist too this problem > > XXX@XXX test> gcc execve.c > XXX@XXX test> cp /bin/ls . > XXX@XXX test> ./a.out ls /tmp/test/ls > a.out =A0 =A0 =A0 =A0 =A0 execve.c =A0 =A0 =A0 =A0ls =A0 =A0 =A0 =A0 =A0 = =A0 =A0shellscript > XXX@XXX test> ./a.out shellscript asdf > shellscript > XXX@XXX test> ./a.out shellscript /tmp/test/ > a.out* =A0 =A0 =A0 execve.c =A0 =A0 ls* =A0 =A0 =A0 =A0 =A0shellscript* > XXX@XXX test> ./a.out shellscript /tmp/test/ls > shellscript > XXX@XXX test> ./a.out shellscript /tmp/test/shellscript > shellscript > XXX@XXX test> ./a.out shellscript /bin/echo-shellscript > shellscript > XXX@XXX test> ./a.out shellscript /bin/echo-shellscript1 > execve: Argument list too long > XXX@XXX test> uname -a > FreeBSD XXX 7.4-STABLE FreeBSD 7.4-STABLE #71 r219301+472ccf9: Sun Mar > =A06 19:16:46 CET 2011 =A0 =A0 XXX@XXX:/usr/obj/usr/src/sys/stable =A0amd= 64 > > > On 3/6/11, Devon H. O'Dell <devon.odell@gmail.com> wrote: >> Actually, kib@ points out that this isn't quite correct; the correct >> fix should indeed be a 1-liner, attached. >> >> --dho >> >
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