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[screen-devel] [bug #66215] Buffer overflow when executing: screen -S Ra
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From: |
Frantisek Sumsal |
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Subject: |
[screen-devel] [bug #66215] Buffer overflow when executing: screen -S Radio -X -r hardcopy test.txt |
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Date: |
Tue, 17 Sep 2024 14:56:52 -0400 (EDT) |
Follow-up Comment #3, bug #66215 (group screen):
I can reproduce this locally on both Arch and Fedora 39 when I build screen
from git with CFLAGS="-g -O2 -Wp,-D_FORTIFY_SOURCE=3":
$ cat /etc/fedora-release
Fedora release 39 (Thirty Nine)
$ git log -1 --oneline
9d8b0ff (HEAD -> master, tag: v.5.0.0, origin/master, origin/HEAD) Release
v.5.0.0
$ ./autogen.sh
$ CFLAGS="-g -O2 -Wp,-D_FORTIFY_SOURCE=3" ./configure
...
$ CFLAGS="-g -O2 -Wp,-D_FORTIFY_SOURCE=3" make -j $(nproc)
...
$ ./screen -S test
# Detach from this one
[detached from 101416.test]
$ ./screen -S test -X -r echo hello
*** buffer overflow detected ***: terminated
Aborted (core dumped)
-verbatim+
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