Subject: Spam that makes SpamAssassin crash Perl
To: None <port-alpha@netbsd.org>
From: Rhialto <rhialto@azenomei.knuffel.net>
List: port-alpha
Date: 11/27/2003 23:18:00
--C7zPtVaVf+AK4Oqc
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

I had a few spams slipping through SpamAssassin 2.60, where it would not
even add its headers to the mail. So I tried running the spams through
SpamAssassin manually. It turned out that Perl dumped core, with a
SIGFPE. Examining the core with gdb I saw dozens of modules loaded, and
the stack just looked like

(gdb) bt
#0  0x120070d18 in Perl_cast_iv ()
(gdb)

Very useful indeed.

Whose bug would this be? SpamAssassin? One of the many modules? Perl?
I have attached one of the mails (uuencoded) for your amusement.

-Olaf.
-- 
___ Olaf 'Rhialto' Seibert
\X/ rhialto/at/xs4all.nl        -- Cetero censeo "authored" delendum esse.

--C7zPtVaVf+AK4Oqc
Content-Type: text/plain; charset=us-ascii
Content-Description: spam that crashes SpamAssassin 2.60
Content-Disposition: attachment; filename="crash.uu"

begin 600 crash
M1G)O;2!M8RUE<G-I82UR+60P0&]R9VEO+F-O;2`@5&AU($YO=B`R-R`P.3HU
M.#HU-2`R,#`S"E)E='5R;BU0871H.B`\;6,M97)S:6$M<BUD,$!O<F=I;RYC
M;VT^"E)E8V5I=F5D.B!F<F]M(&UA:6QD<F]P.2YX<S1A;&PN;FP@*&UA:6QD
M<F]P.2YX<S1A;&PN;FP@6S$Y-"XQ,#DN,3(W+C(R.5TI"@EB>2!A>F5N;VUE
M:2YK;G5F9F5L+FYE="`H."XQ,BXX+S@N,3(N."D@=VET:"!%4TU44"!I9"!H
M05(X=W1Q2S`P-#<X,`H)9F]R(#QR:&EA;'1O0&%Z96YO;65I+GAS-&%L;"YN
M;#X[(%1H=2P@,C<@3F]V(#(P,#,@,#DZ-3@Z-34@*S`Q,#`@*$-%5"D*4F5C
M96EV960Z(&9R;VT@;7AZ:6QL838N>',T86QL+FYL("AM>'II;&QA-BYX<S1A
M;&PN;FP@6S$Y-"XQ,#DN-BXR,3E=*0H)8GD@;6%I;&1R;W`Q,2YX<S1A;&PN
M;FP@*#@N,3(N.2\X+C$R+C8I('=I=&@@15--5%`@:60@:$%2.&Y(=$TP,3(T
M-#`*"69O<B`\<FAI86QT;T!A>F5N;VUE:2YX<S1A;&PN;FP^.R!4:'4L(#(W
M($YO=B`R,#`S(#`Y.C0Y.C$W("LP,3`P("A#150I"E)E8V5I=F5D.B!F<F]M
M(&]R9VEO+F-O;2`H6S8Q+C<S+C$S-2XQ,#-=*0H)8GD@;7AZ:6QL838N>',T
M86QL+FYL("@X+C$R+C$P+S@N,3(N,3`I('=I=&@@4TU44"!I9"!H05(X;D97
M:3`V-C,R-0H)9F]R(#QR:&EA;'1O0&%Z96YO;65I+GAS-&%L;"YN;#X[(%1H
M=2P@,C<@3F]V(#(P,#,@,#DZ-#DZ,38@*S`Q,#`@*$-%5"D*365S<V%G92U)
M9#H@/#(P,#,Q,3(W,#@T.2YH05(X;D97:3`V-C,R-4!M>'II;&QA-BYX<S1A
M;&PN;FP^"E)E<&QY+51O.B!M8RUE<G-I82UR+60P0&]R9VEO+F-O;0I&<F]M
M.B`BQ*NUY;FNP:;`QR#'V+#AN^<@P-2TS[39+B(@/&UC+65R<VEA+7(M9#!`
M;W)G:6\N8V]M/@I4;SH@/')H:6%L=&]`87IE;F]M96DN>',T86QL+FYL/@I3
M=6)J96-T.B`HL:2P[2FQS<?/P,?$J[7EP-R_J<?1M;4N+K'-Q\_`Q[^LP[RP
M[;G.+BZZ_+BCL.W&[<?1[N_/T,/6P/HE+BXN"E-E;F1E<CH@(L2KM>6YKL&F
MP,<@Q]BPX;OG(,#4M,^TV2XB(#QM8RUE<G-I82UR+60P0&]R9VEO+F-O;3X*
M36EM92U697)S:6]N.B`Q+C`*0V]N=&5N="U4>7!E.B!T97AT+VAT;6P[(&-H
M87)S970](FMS7V-?-38P,2TQ.3@W(@I$871E.B!4=64L(#(@1&5C(#(P,#,@
M,3@Z,C(Z-30@*S`Y,#`*4W1A='5S.B!23PI#;VYT96YT+4QE;F=T:#H@,38P
M-`I,:6YE<SH@,S(*"CQH=&UL/@H\:&5A9#X*/'1I=&QE/KW%+K_K+L2K+K7E
M+K3K+L/B/"]T:71L93X*/&UE=&$@:'1T<"UE<75I=CU#;VYT96YT+51Y<&4@
M8V]N=&5N=#UT97AT+VAT;6P[(&-H87)S970]975C+6MR/@H\+VAE860^"CQB
M;V1Y(&QE9G1M87)G:6X],"!T;W!M87)G:6X],"!M87)G:6YW:61T:#TB,"(@
M;6%R9VEN:&5I9VAT/2(P(CX*("`\=&%B;&4@=VED=&@]-38U(&)O<F1E<CTP
M(&-E;&QS<&%C:6YG/3`@8V5L;'!A9&1I;F<],#X*("`\='(^"B`@("`\=&0@
M=F%L:6=N/71O<#X\82!H<F5F/2)H='1P.B\O=W=W+FQO86YC869E+F]R9R]I
M;F1E>"YP:'`_<F5C7VED/6-C;W`W-S@Q(B!T87)G970]7V)L86YK(&]N1F]C
M=7,](F)L=7(H*2(@"B`@("`@/CQI;6<@<W)C/2)H='1P.B\O=W=W+FQO86YC
M869E+F]R9R]A7U]D+VUA:6Q?=&]P+F=I9B(@8F]R9&5R/3`@86QT/<2KM>6T
MZ\/B(`H@("`@(#X\+V$^/"]T9#X*("`\+W1R/@H@(#QT<CX*("`@(#QT9"!V
M86QI9VX]=&]P/CQA(&AR968](FAT='`Z+R]W=W<N;&]A;F-A9F4N;W)G+VEN
M9&5X+G!H<#]R96-?:60]8V-O<#<W.#$B('1A<F=E=#U?8FQA;FL@;VY&;V-U
M<STB8FQU<B@I(B`*("`@("`^/&EM9R!S<F,](FAT='`Z+R]W=W<N;&]A;F-A
M9F4N;W)G+V%?7V0O;6%I;%]C96YT97(N9VEF(B!B;W)D97(],"!A;'0]Q*NU
MY;3KP^(@"B`@("`@/CPO83X\+W1D/@H@(#PO='(^"B`@/'1R/@H@("`@/'1D
M('9A;&EG;CUT;W`@=VED=&@]-C0P/CQA(&AR968](FAT='`Z+R]W=W<N;&]A
M;F-A9F4N;W)G+VEN9&5X+G!H<#]R96-?:60]8V-O<#<W.#$B('1A<F=E=#U?
M8FQA;FL@;VY&;V-U<STB8FQU<B@I(B`*("`@("`^/&EM9R!S<F,](FAT='`Z
M+R]W=W<N;&]A;F-A9F4N;W)G+V%?7V0O;6%I;%]B;W1T;VTN9VEF(B!B;W)D
M97(],"!A;'0]Q*NUY;3KP^(@"B`@("`@/CPO83X\+W1D/@H@(#PO='(^"B`@
M/'1R/@H@("`@/'1D('=I9'1H/38T,"!H96EG:'0](C@P(CX\9F]N="!S:7IE
M/3(^L<W'S\#'(+W"LZN^^,#,(,BKNKB\NB#`_,#:O^S&[<"[(+JXL[NPU""U
MR"#!H2P@P:3!W\CW(`H@("`@(""[Y[#ZM>6XL[3/M-DN(,#ZR/&TPB"QS<?/
MP,<@P/S`VK_LQNT@P=:\TK_<OZ$@ONZVL,?1(+"SP,X@P:2ZN+6U(+"AP?:P
M[2#`UL'V(+[*P+W`N+?.(+[(O<G'S[W#L>(@N=FV^+3/M-DN(,#,N-[`S\"Z
M(`H@("`@("`QR+BXN""YW[S;M<NTS[39+CQB<CX*("`@("`@O/:]Q<"[(+_X
MQ*$@OLK`N+W#N.D@O/:]Q2"PQ;K.N*8@M*VWK\'6O+R_Y"X@/"]F;VYT/CQ!
M(`IH<F5F/2)M86EL=&\Z=V5B;6%S=&5R0&QO86YC869E+F]R9R(^/&9O;G0@
M<VEZ93TR/CQU/KSVO<6PQ;K./"]U/CPO9F]N=#X\+V$^(#PO=&0^"B`@/"]T
M<CX*("`\+W1A8FQE/CQC96YT97(^/&$@:')E9CTG:'1T<#HO+VET;G-O9G0N
M8V]M+WYM86EL=&]U8V@O=7-E<B]T;W5C:"YC9VD_8VUD/7)E9G5S95]V:65W
M)G5S97)C;V1E/65H9FIC<FEQ+6IL;VEK<2U#8VIL:R9G<F]U<#TQ)FYA;64]
M)FUA:6P]<FAI86QT;T!A>F5N;VUE:2YX<S1A;&PN;FPG/CQI;6<@<W)C/2=H
M='1P.B\O:71N<V]F="YC;VTO?FUA:6QT;W5C:"]U<V5R+VUA:6PM<F5F=7-E
K+F=I9B<@8F]R9&5R/3`I/CPO8V5N=&5R/@H\+V)O9'D^"CPO:'1M;#X*"G-E
`
end

--C7zPtVaVf+AK4Oqc--