On Wed, 2008-12-10 at 16:37 +0900, Seiichi Ikarashi wrote:
> Hi,
>
> I report a bug of the msgctl02 testcase and a patch for it.
>
> When you set /proc/sys/kernel/msgmnb to a value larger than 65536,
> msgctl02 always results FAIL because of a bug itself.
> An example when /proc/sys/kernel/msgmnb == 4194304,
>
> # cd ./testcases/kernel/syscalls/ipc/msgctl
> # ./msgctl02
> msgctl02 1 FAIL : qs_buf.msg_qbytes value is not expected
> msgctl02 0 INFO : expected - 65535, received - 4194303
> #
>
> This is because the variable "new_bytes" storing "expected" value above
> is defined as "unsigned short" type and cannot hold a value
> larger than 65535. It should be "msglen_t" type as same as the
> member msg_qnum of struct msqid_ds, but msg_qnum seems to be declared
> as "unsigned long int" type on some architecture like ia64,
> I recommend you to use "unsigned long int" for new_bytes.
>
> Signed-off-by: Seiichi Ikarashi <[email protected]>
Thanks for this.
Regards--
Subrata
> ---
> ===================================================================
> --- old/testcases/kernel/syscalls/ipc/msgctl/msgctl02.c 2002-11-19
> 04:54:58.000000000 +0900
> +++ new/testcases/kernel/syscalls/ipc/msgctl/msgctl02.c 2008-12-10
> 15:23:43.000000000 +0900
> @@ -69,7 +69,7 @@ int msg_q_1 = -1; /
>
> struct msqid_ds qs_buf;
>
> -unsigned short new_bytes;
> +unsigned long int new_bytes;
>
> int main(int ac, char **av)
> {
>
> ------------------------------------------------------------------------------
> SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada.
> The future of the web can't happen without you. Join us at MIX09 to help
> pave the way to the Next Web now. Learn more and register at
> http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/
> _______________________________________________
> Ltp-list mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/ltp-list
------------------------------------------------------------------------------
SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada.
The future of the web can't happen without you. Join us at MIX09 to help
pave the way to the Next Web now. Learn more and register at
http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/
_______________________________________________
Ltp-list mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/ltp-list
