On 02/05/14 14:15, James Hogan wrote:
> When strace is built with large file support definitions in CFLAGS (as
> may be provided by buildroot) the C library headers may expose a 64-bit
> rlim_t even though the struct rlimit fields used by the system call
> interface are only 32-bit. The SIZEOF_RLIM_T will then be 8 which
> results in bad decoding of the getrlimit and setrlimit syscalls.
>
> This is fixed by removing the "#if SIZEOF_RLIM_T == 4 ||
> SUPPORTED_PERSONALITIES > 1" conditional, since the remaining code
> already handles multiple personalities based on the value of
> current_wordsize, which is set correctly even for a single personality.
>
> Signed-off-by: James Hogan <[email protected]>
Hi, does this patch look okay?
Thanks
James
> ---
> resource.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/resource.c b/resource.c
> index 5f92b39..b191ec2 100644
> --- a/resource.c
> +++ b/resource.c
> @@ -135,8 +135,6 @@ decode_rlimit64(struct tcb *tcp, unsigned long addr)
> print_rlimit64(tcp, addr);
> }
>
> -#if SIZEOF_RLIM_T == 4 || SUPPORTED_PERSONALITIES > 1
> -
> static const char *
> sprint_rlim32(uint32_t lim)
> {
> @@ -187,12 +185,6 @@ decode_rlimit(struct tcb *tcp, unsigned long addr)
> }
> }
>
> -#else /* SIZEOF_RLIM_T == 8 && SUPPORTED_PERSONALITIES == 1 */
> -
> -# define decode_rlimit decode_rlimit64
> -
> -#endif /* SIZEOF_RLIM_T == 4 || SUPPORTED_PERSONALITIES > 1 */
> -
> int
> sys_getrlimit(struct tcb *tcp)
> {
>
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