Re: [PATCH 1/1] s390/dasd: fix string length handling

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Jens,

On Mon, Aug 28, 2023 at 05:31:42PM +0200, Heiko Carstens wrote:
> Building dasd_eckd.o with latest clang reveals this bug:
> 
>     CC      drivers/s390/block/dasd_eckd.o
>       drivers/s390/block/dasd_eckd.c:1082:3: warning: 'snprintf' will always be truncated;
>       specified size is 1, but format string expands to at least 11 [-Wfortify-source]
>        1082 |                 snprintf(print_uid, sizeof(*print_uid),
>             |                 ^
>       drivers/s390/block/dasd_eckd.c:1087:3: warning: 'snprintf' will always be truncated;
>       specified size is 1, but format string expands to at least 10 [-Wfortify-source]
>        1087 |                 snprintf(print_uid, sizeof(*print_uid),
>             |                 ^
> 
> Fix this by moving and using the existing UID_STRLEN for the arrays
> that are being written to. Also rename UID_STRLEN to DASD_UID_STRLEN
> to clarify its scope.
> 
> Fixes: 23596961b437 ("s390/dasd: split up dasd_eckd_read_conf")
> Reviewed-by: Peter Oberparleiter <oberpar@xxxxxxxxxxxxx>
> Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
> ---
>  drivers/s390/block/dasd_devmap.c |  6 +-----
>  drivers/s390/block/dasd_eckd.c   | 10 +++++-----
>  drivers/s390/block/dasd_int.h    |  4 ++++
>  3 files changed, 10 insertions(+), 10 deletions(-)

Just wondering, will you pick this one up, or should I route this via
the s390 tree?



[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux