JtR snap package is broken (edge channel)

[openwall]

JtR snap package is broken (edge channel)

[claudioandre-br]

Debug information.

$ snap run --shell --gdb john-the-ripper
GNU gdb (Ubuntu 9.1-0ubuntu1) 9.1
[...]
Reading symbols from /snap/snapd/8790/usr/lib/snapd/snap-confine...
(No debugging symbols found in /snap/snapd/8790/usr/lib/snapd/snap-confine)
Starting program: /snap/snapd/8790/usr/lib/snapd/snap-confine --base core20 snap.john-the-ripper.john-the-ripper /usr/lib/snapd/snap-exec --command=shell --command=gdb john-the-ripper
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Detaching after fork from child process 51195]
[Detaching after fork from child process 51197]
process 51191 is executing new program: /usr/lib/snapd/snap-exec
[New LWP 51204]
[New LWP 51205]
[New LWP 51206]
[New LWP 51207]
[New LWP 51208]
[LWP 51208 exited]
[LWP 51207 exited]
[LWP 51206 exited]
[LWP 51205 exited]
[LWP 51204 exited]
process 51191 is executing new program: /usr/bin/dash
process 51191 is executing new program: /usr/lib/snapd/snap-gdb-shim

Thread 1 "snap-gdb-shim" received signal SIGSEGV, Segmentation fault.
0x00007f0f55b4ec37 in __libc_start_main () from target:/snap/john-the-ripper/385/lib/x86_64-linux-gnu/libc.so.6
Catchpoint 1 (exec)
Continuing.

Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.

[claudioandre-br]

Reported: https://forum.snapcraft.io/t/stack-smashing-detected/19926

[claudioandre-br]

A workaround is revert the snap "VM" to core16 or core18. The new JtR release uses core18.

[claudioandre-br]

I reverted to core18 and it is fixed.