Hi, 

> that looks like a good start, but you still need to make the addresses 
> usable:
> 
> gdb mbsync
> l *0x650d7c30
> q

I executed,

$ gdb --args ./src/mbsync -V -D  -c ~/.config/isync/config mailbox-inbox

(gdb) run
Starting program: 
/home/marko/.local/src/sourceforge.net/isync/isync-isync/src/mbsync -V -D -c 
/home/marko/.config/isync/config mailbox-inbox

Program received signal SIGILL, Illegal instruction.
0x75c0bd68 in _armv8_pmull_probe () from /usr/lib/libcrypto.so.14

(gdb) info address 0x75c0bd68
No symbol "0x75c0bd68" in current context.
(gdb) info address *0x75c0bd68
No symbol "*0x75c0bd68" in current context.
(gdb) info symbol 0x75c0bd68
_armv8_pmull_probe in section .text of /usr/lib/libcrypto.so.14
(gdb) info line *0x75c0bd68
No line number information available for address 0x75c0bd68 <_armv8_pmull_probe>
(gdb) disassemble /m 0x75c0bd68
Dump of assembler code for function _armv8_pmull_probe:
=> 0x75c0bd68 <+0>:       vmull.p64       q0, d0, d0
   0x75c0bd6c <+4>:       bx      lr
End of assembler dump.
(gdb) x/i 0x75c0bd68
=> 0x75c0bd68 <_armv8_pmull_probe>: vmull.p64       q0, d0, d0

Does this give is enough usable infos? Looks like it is related to crypto….

Marko


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