Buffer Over-read in function current_quote in vim/vim
Valid
Reported on
Jun 16th 2022
Description
Buffer Over-read in function current_quote at textobject.c:1801
vim version
git log
commit 83497f875881973df772cc4cc593766345df6c4a (HEAD -> master, tag: v8.2.5105, origin/master, origin/HEAD)
POC
root@fuzz-vm0-187:/home/fuzz/fuzz/vim/afl/src# ./vim -u NONE -i NONE -n -m -X -Z -e -s -S /mnt/share/max/fuzz/poc/vim/poc_bor1_s.dat -c :qa!
=================================================================
==26523==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x621000013d00 at pc 0x0000010c16ed bp 0x7ffef393a8f0 sp 0x7ffef393a8e8
READ of size 1 at 0x621000013d00 thread T0
#0 0x10c16ec in current_quote /home/fuzz/fuzz/vim/afl/src/textobject.c:1801:10
#1 0xb69bc7 in nv_object /home/fuzz/fuzz/vim/afl/src/normal.c:7105:10
#2 0xb4b671 in nv_edit /home/fuzz/fuzz/vim/afl/src/normal.c:6884:2
#3 0xb1f59f in normal_cmd /home/fuzz/fuzz/vim/afl/src/normal.c:939:5
#4 0x814eee in exec_normal /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:8808:6
#5 0x814718 in exec_normal_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:8771:5
#6 0x8142c9 in ex_normal /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:8689:6
#7 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#8 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#9 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#10 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#11 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#12 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#13 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#14 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#15 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#16 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#17 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#18 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#19 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#20 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#21 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#22 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#23 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#24 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#25 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#26 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#27 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#28 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#29 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#30 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#31 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#32 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#33 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#34 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#35 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#36 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#37 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#38 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#39 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#40 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#41 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#42 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#43 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#44 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#45 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#46 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#47 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#48 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#49 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#50 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#51 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#52 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#53 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#54 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#55 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#56 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#57 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#58 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#59 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#60 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#61 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#62 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#63 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#64 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#65 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#66 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#67 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#68 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#69 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#70 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#71 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#72 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#73 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#74 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#75 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#76 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#77 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#78 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#79 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#80 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#81 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#82 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#83 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#84 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#85 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#86 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#87 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#88 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#89 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#90 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#91 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#92 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#93 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#94 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#95 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#96 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#97 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#98 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#99 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#100 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#101 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#102 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#103 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#104 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#105 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#106 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#107 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#108 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#109 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#110 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#111 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#112 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#113 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#114 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#115 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#116 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#117 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#118 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#119 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#120 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#121 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#122 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#123 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#124 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#125 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#126 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#127 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#128 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#129 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#130 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#131 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#132 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#133 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#134 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#135 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#136 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#137 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#138 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#139 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#140 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#141 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#142 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#143 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#144 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#145 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#146 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#147 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#148 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#149 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#150 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#151 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#152 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#153 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#154 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#155 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#156 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#157 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#158 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#159 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#160 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#161 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#162 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#163 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#164 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#165 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#166 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#167 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#168 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#169 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#170 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#171 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#172 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#173 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#174 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#175 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#176 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#177 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#178 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#179 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#180 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#181 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#182 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#183 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#184 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#185 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#186 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#187 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#188 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#189 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#190 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#191 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#192 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#193 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#194 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#195 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#196 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#197 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#198 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#199 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#200 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#201 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#202 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#203 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#204 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#205 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#206 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#207 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#208 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#209 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#210 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#211 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#212 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#213 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#214 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#215 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#216 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#217 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#218 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#219 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#220 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#221 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#222 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#223 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#224 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#225 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#226 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#227 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#228 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#229 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#230 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#231 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#232 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#233 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#234 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#235 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#236 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#237 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#238 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#239 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#240 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#241 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#242 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
#243 0x114bdb3 in get_func_tv /home/fuzz/fuzz/vim/afl/src/userfunc.c:1833:8
#244 0x117f4da in ex_call /home/fuzz/fuzz/vim/afl/src/userfunc.c:5593:6
#245 0x7dd249 in do_one_cmd /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:2570:2
#246 0x7ca105 in do_cmdline /home/fuzz/fuzz/vim/afl/src/ex_docmd.c:992:17
#247 0x115857c in call_user_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:2900:2
#248 0x115466d in call_user_func_check /home/fuzz/fuzz/vim/afl/src/userfunc.c:3048:2
#249 0x114ea14 in call_func /home/fuzz/fuzz/vim/afl/src/userfunc.c:3612:11
0x621000013d00 is located 0 bytes to the right of 4096-byte region [0x621000012d00,0x621000013d00)
allocated by thread T0 here:
#0 0x499cad in malloc (/home/fuzz/fuzz/vim/afl/src/vim+0x499cad)
#1 0x4cb382 in lalloc /home/fuzz/fuzz/vim/afl/src/alloc.c:246:11
#2 0x4cb26a in alloc /home/fuzz/fuzz/vim/afl/src/alloc.c:151:12
#3 0x142bfb5 in mf_alloc_bhdr /home/fuzz/fuzz/vim/afl/src/memfile.c:884:21
#4 0x142adc7 in mf_new /home/fuzz/fuzz/vim/afl/src/memfile.c:375:26
#5 0xa60d28 in ml_new_data /home/fuzz/fuzz/vim/afl/src/memline.c:4080:15
#6 0xa5f6d1 in ml_open /home/fuzz/fuzz/vim/afl/src/memline.c:394:15
#7 0x501c8a in open_buffer /home/fuzz/fuzz/vim/afl/src/buffer.c:186:9
#8 0x141ff4c in create_windows /home/fuzz/fuzz/vim/afl/src/main.c:2902:9
#9 0x141e21a in vim_main2 /home/fuzz/fuzz/vim/afl/src/main.c:711:5
#10 0x1413dad in main /home/fuzz/fuzz/vim/afl/src/main.c:432:12
#11 0x7f90cedd6082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/../csu/libc-start.c:308:16
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/fuzz/fuzz/vim/afl/src/textobject.c:1801:10 in current_quote
Shadow bytes around the buggy address:
0x0c427fffa750: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c427fffa760: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c427fffa770: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c427fffa780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c427fffa790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c427fffa7a0:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c427fffa7b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c427fffa7c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c427fffa7d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c427fffa7e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c427fffa7f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==26523==ABORTING
Impact
This vulnerabilities are capable of crashing software, modify Memory, and possible remote execution
We are processing your report and will contact the
vim
team within 24 hours.
a year ago
We have contacted a member of the
vim
team and are waiting to hear back
a year ago
I can reproduce it. The POC is not usable as a regression test though, because it uses infinite recursion.
Uinitech
has been awarded the disclosure bounty
The fix bounty is now up for grabs
The researcher's credibility has increased: +7
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