Rishikesh K. Rajak [EMAIL PROTECTED] wrote:
| Hi All,
|
| Here is the patch require for fixing the pid namespace testcase bug on
| -mm kernel.
|
| Bug: PID Namespace testcases were getting SEGSEV on -mm kernel only.
|
| After reporting this problem, i got fix from container development team.
|
| Thanks
| Rishi
| Description: Pid Namespace were getting segmentation fault while running on
-mm kernel.
| After debugging by container development team they found the
exact root cause.
|
| Signed-off By : Serge Hallyn <[EMAIL PROTECTED]>
| Signed-off By : Sukadev Bhattiprolu <[EMAIL PROTECTED]>
| Tested By : Rishikesh k Rajak <[EMAIL PROTECTED]>
| ---
| Index: ltp-full-20080131/testcases/kernel/containers/libclone/libclone.c
| ===================================================================
| --- ltp-full-20080131.orig/testcases/kernel/containers/libclone/libclone.c
2007-12-28 04:48:30.000000000 -0500
| +++ ltp-full-20080131/testcases/kernel/containers/libclone/libclone.c
2008-02-06 00:44:41.000000000 -0500
| @@ -23,14 +23,15 @@
| int(*fn2)(void *arg), void *arg2)
| {
| int ret;
| - void *childstack, *stack = malloc(getpagesize());
| + int stack_size = getpagesize();
| + void *childstack, *stack = malloc (4*getpagesize());
How about:
int stack_size = getpagesize() * 4;
void *childstack, *stack = malloc(stack_size);
so we don't have to multiply stack_size by 4 every time ?
|
| if (!stack) {
| perror("malloc");
| return -1;
| }
|
| - childstack = stack + getpagesize();
| + childstack = stack + 4*getpagesize();
and
childstack = stack + stack_size;
|
| #ifdef __ia64__
| ret = clone2(fn1, childstack, getpagesize(), clone_flags | SIGCHLD,
arg1, NULL, NULL, NULL);
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