SEGFAULT;(

[Remi Guyomarch]

On Mon, Jan 31, 2000 at 12:45:34AM +0100, Jan-Benedict Glaw wrote:
> Hi!
> 
> Found a little bug in g10/keyedit.c... Tested version is 1.0.1, but keyedit.c
> has neither changed in 1.0.1a nor in 1.1.0 (okay, it has changed, but not
> at the relevant part;).
[...]
> Program received signal SIGSEGV, Segmentation fault.
> 0x8080543 in menu_expire (pub_keyblock=0x80cd860, sec_keyblock=0x80d0280) at keyedit.c:1490
> 1490                    if( (mainkey && main_pk->version < 4)
> 
> ================== 8< ------------------------------------------
> 
> main_pk seems to be a pointer to nirwana so main_pk->version kills gpg...

main_pk is ok, but sub_pk is null. Here's the code :

		signumber++;

		if( (mainkey && main_pk->version < 4)
		    || (!mainkey && sub_pk->version < 4 ) ) {
		    log_info(_(
			"You can't change the expiration date of a v3 key\n"));

(keyedit.c:1502 in 1.0.1c)