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systemd-cryptenroll --recovery-key "buffer overflow" #19375

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ghost opened this issue Apr 20, 2021 · 4 comments
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systemd-cryptenroll --recovery-key "buffer overflow" #19375

ghost opened this issue Apr 20, 2021 · 4 comments
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cryptsetup duplicate needs-reporter-feedback ❓ There's an unanswered question, the reporter needs to answer

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@ghost
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ghost commented Apr 20, 2021 •
edited by ghost
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systemd version the issue has been seen with

248

Used distribution

Arch

Linux kernel version used (uname -a)

5.11.14-arch1-1

systemd-cryptenroll fails with "buffer overflow" :

# systemd-cryptenroll --recovery-key /dev/nvme0n1p2 
🔐 Please enter current passphrase for disk /dev/nvme0n1p2: ************************Failed to adjust kernel keyring key timeout: Permission non accordée
Added key to kernel keyring as 644929053.

Keyslot 0 priority 1 != 2 (required), skipped.
Keyslot 1 priority 1 != 2 (required), skipped.
Trying to open LUKS2 keyslot 0.
Reading keyslot area [0x8000].
Acquiring read lock for device /dev/nvme0n1p2.
Opening lock resource file /run/cryptsetup/L_259:2
Verifying lock handle for /dev/nvme0n1p2.
Device /dev/nvme0n1p2 READ lock taken.
Reusing open ro fd on device /dev/nvme0n1p2
Device /dev/nvme0n1p2 READ lock released.
Verifying key from keyslot 0, digest 0.
*** buffer overflow detected ***: terminated
Abandon (core dumped)
@poettering
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buffer overflow? where? the output you dumped doesn't show anything like that?

@ghost
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ghost commented Apr 21, 2021 •
edited by ghost
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Hi,

sorry, got mixed up when replacing the original message with the DEBUG option !

$ sudo systemd-cryptenroll --recovery-key /dev/nvme0n1p2
Mot de passe de  : 
🔐 Please enter current passphrase for disk /dev/nvme0n1p2: (press TAB for no ec************************
*** buffer overflow detected ***: terminated
Abandon

@poettering
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any chance you can install debug symbols and run this in valgrind?

@poettering poettering added cryptsetup needs-reporter-feedback ❓ There's an unanswered question, the reporter needs to answer labels Apr 22, 2021
@poettering
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I am pretty sure this is just a duplicate of #19203

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