`--> gdb /usr/bin/mutt core
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
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Reading symbols from /usr/bin/mutt...Reading symbols from /usr/lib/debug/.build-id/da/1e1ad373b611b004adc31f7d467d42e9aa4e80.debug...done.
done.

warning: core file may not match specified executable file.
[New LWP 17838]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `mutt -d2 -F /dev/null'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00000000004873c2 in pgp_getkeybystr (p=<optimized out>, 
    abilities=2, keyring=<optimized out>) at ../pgpkey.c:997
997	../pgpkey.c: Aucun fichier ou dossier de ce type.
(gdb) backtrace
#0  0x00000000004873c2 in pgp_getkeybystr (p=<optimized out>, 
    abilities=2, keyring=<optimized out>) at ../pgpkey.c:997
#1  0x2100000000487507 in ?? ()
#2  0x00007fff04b69200 in ?? ()
#3  0x00007fff04b691e0 in ?? ()
#4  0x0000000500000000 in ?? ()
#5  0x0000000000ed5660 in ?? ()
#6  0x00007fff04b69218 in ?? ()
#7  0x00007f26e64bc730 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000efe3e8 in ?? ()
#9  0x0000000000f7db70 in ?? ()
#10 0x0000000000000028 in ?? ()
#11 0x0000000000000019 in ?? ()
#12 0x0000000000ed5660 in ?? ()
#13 0x0000000000000005 in ?? ()
#14 0x00007fff04b69180 in ?? ()
#15 0x0000000000f7c400 in ?? ()
#16 0x0000000000000000 in ?? ()
(gdb)