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stack-overflow in glibc regcomp #22

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kvenux opened this issue Oct 20, 2020 · 2 comments
Open

stack-overflow in glibc regcomp #22

kvenux opened this issue Oct 20, 2020 · 2 comments

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@kvenux
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kvenux commented Oct 20, 2020

Build environment:

Ubuntu 16.04
gcc 5.4.0
version: a6fc196
build command:
export JSI__SANITIZE=1
make
test command: ./jsish poc

Target device:

Desktop Linux

POC

jsish-000418.txt

Description

Below is the ASAN outputs.

ASAN:SIGSEGV

==41969==ERROR: AddressSanitizer: stack-overflow on address 0x7fff2f2c8ff8 (pc 0x7f46bdb37cc0 bp 0x7fff2fabd910 sp 0x7fff2f2c8ff0 T0)
#0 0x7f46bdb37cbf (/lib/x86_64-linux-gnu/libc.so.6+0xdfcbf)
#1 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#2 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#3 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#4 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#5 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#6 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#7 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#8 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#9 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#10 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#11 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#12 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#13 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#14 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#15 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#16 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#17 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#18 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#19 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#20 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#21 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#22 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#23 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#24 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#25 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#26 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#27 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#28 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#29 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#30 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#31 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#32 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#33 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#34 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#35 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#36 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#37 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#38 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#39 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#40 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#41 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#42 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#43 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#44 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#45 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#46 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#47 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#48 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#49 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#50 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#51 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#52 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#53 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#54 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#55 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#56 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#57 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#58 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#59 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#60 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#61 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#62 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#63 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#64 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#65 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#66 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#67 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#68 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#69 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#70 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#71 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#72 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#73 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#74 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#75 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#76 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#77 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#78 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#79 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#80 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#81 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#82 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#83 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#84 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#85 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#86 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#87 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#88 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#89 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#90 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#91 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#92 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#93 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#94 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#95 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#96 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#97 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#98 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#99 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#100 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#101 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#102 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#103 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#104 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#105 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#106 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#107 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#108 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#109 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#110 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#111 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#112 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#113 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#114 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#115 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#116 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#117 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#118 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#119 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#120 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#121 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#122 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#123 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#124 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#125 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#126 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#127 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#128 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#129 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#130 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#131 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#132 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#133 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#134 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#135 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#136 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#137 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#138 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#139 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#140 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#141 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#142 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#143 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#144 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#145 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#146 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#147 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#148 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#149 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#150 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#151 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#152 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#153 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#154 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#155 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#156 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#157 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#158 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#159 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#160 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#161 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#162 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#163 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#164 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#165 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#166 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#167 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#168 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#169 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#170 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#171 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#172 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#173 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#174 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#175 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#176 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#177 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#178 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#179 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#180 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#181 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#182 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#183 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#184 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#185 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#186 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#187 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#188 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#189 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#190 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#191 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#192 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#193 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#194 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#195 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#196 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#197 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#198 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#199 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#200 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#201 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#202 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#203 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#204 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#205 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#206 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#207 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#208 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#209 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#210 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#211 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#212 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#213 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#214 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#215 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#216 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#217 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#218 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#219 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#220 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#221 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#222 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#223 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#224 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#225 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#226 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#227 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#228 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#229 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#230 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#231 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#232 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#233 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#234 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#235 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#236 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#237 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#238 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#239 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#240 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#241 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#242 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#243 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#244 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#245 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#246 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#247 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#248 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)
#249 0x7f46bdb37ccd (/lib/x86_64-linux-gnu/libc.so.6+0xdfccd)
#250 0x7f46bdb39e85 (/lib/x86_64-linux-gnu/libc.so.6+0xe1e85)
#251 0x7f46bdb3c16b (/lib/x86_64-linux-gnu/libc.so.6+0xe416b)

SUMMARY: AddressSanitizer: stack-overflow ??:0 ??
==41969==ABORTING
@pcmacdon
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An interesting and very good find. Note that using the musl binary does not crash:

jsish-000418.txt:35: error: Invalid regex string '((((((((((....

This is not the first crash from regex I've seen, nor even the worst one. That one uses {} with repeat counts causing you to run out of memory and your desktop to hang. Even from the shell.

ls | grep -E ".*{10,}{10,}{111111,}"

We could put a sanity checker in front, or never use the builtin regex.
Not sure which...

@pcmacdon
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As a stopgap measure, I've added a simple sanity checker to disallow more than 1 of '}{' or more than 50 of '('.
But I'm renaming it and leaving the issue open.

@pcmacdon pcmacdon changed the title stack-overflow stack-overflow in glibc in regcomp Oct 20, 2020
@pcmacdon pcmacdon changed the title stack-overflow in glibc in regcomp stack-overflow in glibc regcomp Oct 20, 2020
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