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STDERRED_BLACKLIST smashes stack #93

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BrandonStaab opened this issue Dec 27, 2024 · 0 comments
Open

STDERRED_BLACKLIST smashes stack #93

BrandonStaab opened this issue Dec 27, 2024 · 0 comments

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@BrandonStaab
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Version: stderred-git v1.0.r49.g97a51c9-1
Kernel: 6.12.6-zen1-1-zen
OS: Arch

Related issues: #85

Unload everything:

unset LD_PRELOAD
unset STDERRED_ESC_CODE
unset STDERRED_BLACKLIST
gpg --list-keys

GPG works as expected.

Next set STDERRED_BLACKLIST

export STDERRED_BLACKLIST="^(app)$"
export LD_PRELOAD="/usr/lib/libstderred.so"
gpg --list-keys

The stack gets smashed:

*** stack smashing detected ***: terminated
zsh: IOT instruction (core dumped)  gpg --list-keys

Finally unset STDERRED_BLACKLIST but keep libstderred.so

unset STDERRED_BLACKLIST
gpg --list-keys

GPG works as expected.
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@BrandonStaab