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annotate src/testdir/test_crash.vim @ 33772:7624df087ebf v9.0.2106

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patch 9.0.2106: [security]: Use-after-free in win_close() Commit: https://github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5a Author: Christian Brabandt <cb@256bit.org> Date: Tue Nov 14 19:31:34 2023 +0100 patch 9.0.2106: [security]: Use-after-free in win_close() Problem: [security]: Use-after-free in win_close() Solution: Check window is valid, before accessing it If the current window structure is no longer valid (because a previous autocommand has already freed this window), fail and return before attempting to set win->w_closing variable. Add a test to trigger ASAN in CI Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 16 Nov 2023 22:15:05 +0100
parents 1947bb095199
children 242b964d6269
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Some tests, that used to crash Vim
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2 source check.vim
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3 source screendump.vim
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4
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5 CheckScreendump
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6
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7 func Test_crash1()
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8 CheckNotBSD
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9 CheckExecutable dash
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10 " Test 7 fails on Mac ...
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11 CheckNotMac
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12
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13 " The following used to crash Vim
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14 let opts = #{cmd: 'sh'}
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15 let vim = GetVimProg()
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16
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17 let buf = RunVimInTerminal('sh', opts)
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18
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19 let file = 'crash/poc_huaf1'
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20 let cmn_args = "%s -u NONE -i NONE -n -e -s -S %s -c ':qa!'"
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21 let args = printf(cmn_args, vim, file)
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22 call term_sendkeys(buf, args ..
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23 \ ' && echo "crash 1: [OK]" > X_crash1_result.txt' .. "\<cr>")
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24 call TermWait(buf, 50)
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25
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26 let file = 'crash/poc_huaf2'
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27 let args = printf(cmn_args, vim, file)
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28 call term_sendkeys(buf, args ..
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29 \ ' && echo "crash 2: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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30 call TermWait(buf, 50)
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31
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32 let file = 'crash/poc_huaf3'
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33 let args = printf(cmn_args, vim, file)
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34 call term_sendkeys(buf, args ..
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35 \ ' && echo "crash 3: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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36 call TermWait(buf, 100)
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37
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38 let file = 'crash/bt_quickfix_poc'
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39 let args = printf(cmn_args, vim, file)
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40 call term_sendkeys(buf, args ..
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41 \ ' && echo "crash 4: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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42 " clean up
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43 call delete('Xerr')
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44 " This test takes a bit longer
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45 call TermWait(buf, 1000)
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46
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47 let file = 'crash/poc_tagfunc.vim'
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48 let args = printf(cmn_args, vim, file)
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49 " using || because this poc causes vim to exit with exitstatus != 0
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50 call term_sendkeys(buf, args ..
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51 \ ' || echo "crash 5: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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52
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53 call TermWait(buf, 100)
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54
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55 let file = 'crash/bt_quickfix1_poc'
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56 let args = printf(cmn_args, vim, file)
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57 call term_sendkeys(buf, args ..
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58 \ ' && echo "crash 6: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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59 " clean up
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60 call delete('X')
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61 call TermWait(buf, 3000)
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62
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63 let file = 'crash/vim_regsub_both_poc'
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64 let args = printf(cmn_args, vim, file)
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65 call term_sendkeys(buf, args ..
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66 \ ' && echo "crash 7: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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67 call TermWait(buf, 3000)
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68
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69 let file = 'crash/vim_msg_trunc_poc'
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70 let args = printf(cmn_args, vim, file)
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71 call term_sendkeys(buf, args ..
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72 \ ' || echo "crash 8: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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73 call TermWait(buf, 3000)
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74
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75 let file = 'crash/crash_scrollbar'
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76 let args = printf(cmn_args, vim, file)
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77 call term_sendkeys(buf, args ..
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78 \ ' && echo "crash 9: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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79 call TermWait(buf, 1000)
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80
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81 let file = 'crash/editing_arg_idx_POC_1'
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82 let args = printf(cmn_args, vim, file)
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83 call term_sendkeys(buf, args ..
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84 \ ' || echo "crash 10: [OK]" >> X_crash1_result.txt' .. "\<cr>")
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85 call TermWait(buf, 1000)
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86 call delete('Xerr')
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87 call delete('@')
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88
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89 " clean up
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90 exe buf .. "bw!"
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91
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92 sp X_crash1_result.txt
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93
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94 let expected = [
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95 \ 'crash 1: [OK]',
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96 \ 'crash 2: [OK]',
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97 \ 'crash 3: [OK]',
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98 \ 'crash 4: [OK]',
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99 \ 'crash 5: [OK]',
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100 \ 'crash 6: [OK]',
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101 \ 'crash 7: [OK]',
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102 \ 'crash 8: [OK]',
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103 \ 'crash 9: [OK]',
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104 \ 'crash 10: [OK]',
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105 \ ]
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106
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107 call assert_equal(expected, getline(1, '$'))
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108 bw!
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109
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110 call delete('X_crash1_result.txt')
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111 endfunc
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112
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113 func Test_crash1_2()
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114 CheckNotBSD
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115 CheckExecutable dash
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116
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117 " The following used to crash Vim
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118 let opts = #{cmd: 'sh'}
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119 let vim = GetVimProg()
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120 let result = 'X_crash1_1_result.txt'
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121
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122 let buf = RunVimInTerminal('sh', opts)
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123
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124 let file = 'crash/poc1'
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125 let cmn_args = "%s -u NONE -i NONE -n -e -s -S %s -c ':qa!'"
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126 let args = printf(cmn_args, vim, file)
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127 call term_sendkeys(buf, args ..
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128 \ ' && echo "crash 1: [OK]" > '.. result .. "\<cr>")
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129 call TermWait(buf, 150)
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130
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131 " clean up
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132 exe buf .. "bw!"
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133
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134 exe "sp " .. result
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135
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136 let expected = [
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137 \ 'crash 1: [OK]',
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138 \ ]
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139
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140 call assert_equal(expected, getline(1, '$'))
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141 bw!
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142
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143 call delete(result)
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144 endfunc
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145
33132
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146 func Test_crash2()
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147 " The following used to crash Vim
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148 let opts = #{wait_for_ruler: 0, rows: 20}
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149 let args = ' -u NONE -i NONE -n -e -s -S '
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150 let buf = RunVimInTerminal(args .. ' crash/vim_regsub_both', opts)
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151 call VerifyScreenDump(buf, 'Test_crash_01', {})
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152 exe buf .. "bw!"
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153 endfunc
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154
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155 " vim: shiftwidth=2 sts=2 expandtab