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Diffstat (limited to 'tests/tail-2/inotify-hash-abuse2.sh')
-rwxr-xr-x | tests/tail-2/inotify-hash-abuse2.sh | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/tail-2/inotify-hash-abuse2.sh b/tests/tail-2/inotify-hash-abuse2.sh new file mode 100755 index 0000000..a7efab4 --- /dev/null +++ b/tests/tail-2/inotify-hash-abuse2.sh @@ -0,0 +1,46 @@ +#!/bin/sh +# Exercise an abort-inducing flaw in inotify-enabled tail -F. +# Like inotify-hash-abuse, but without a hard-coded "9". + +# Copyright (C) 2009-2022 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ tail + +# Terminate any background tail process +cleanup_() { kill $pid 2>/dev/null && wait $pid; } + +# Speedup the non inotify case +fastpoll='-s.1 --max-unchanged-stats=1' + +for mode in '' '---disable-inotify'; do + touch f || framework_failure_ + + tail $mode $fastpoll -F f & pid=$! + + for i in $(seq 200); do + kill -0 $pid || break; + touch g + mv g f + done + + # Ensure tail hasn't aborted + kill -0 $pid || fail=1 + + cleanup_ +done + +Exit $fail |