On Wed, Jun 06, 2012 at 08:31:47PM +0100, Hugo Mills wrote: > > @@ -378,6 +380,7 @@ static int cmd_snapshot(int argc, char **argv) > > > > args.fd = fd; > > strncpy(args.name, newname, BTRFS_SUBVOL_NAME_MAX); > > + args.name[BTRFS_PATH_NAME_MAX-1] = 0; > > This, however, is wrong. args here is a struct > btrfs_ioctl_vol_args_v2, and the name field is BTRFS_SUBVOL_NAME_MAX+1 > long, so it should be: > > - strncpy(args.name, newname, BTRFS_SUBVOL_NAME_MAX); > + strncpy(args.name, newname, BTRFS_SUBVOL_NAME_MAX+1); > + args.name[BTRFS_SUBVOL_NAME_MAX] = 0; Oops, just spotted the v3 with this fix in. Ignore this comment. (I'm actually using the v3 in integration, but I reviewed the mail from a different mailbox and got the wrong series...) Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Your problem is that you've got too much taste to be --- a web developer.
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