From: Pavel Emelyanov <xemul@xxxxxxxxxx> This pid comes from user space, so treat it accordingly. Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx> Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> Cc: "Luck, Tony" <tony.luck@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/ia64/kernel/perfmon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -puN arch/ia64/kernel/perfmon.c~ia64-make-pfm_get_task-work-with-virtual-pids arch/ia64/kernel/perfmon.c --- a/arch/ia64/kernel/perfmon.c~ia64-make-pfm_get_task-work-with-virtual-pids +++ a/arch/ia64/kernel/perfmon.c @@ -2654,11 +2654,11 @@ pfm_get_task(pfm_context_t *ctx, pid_t p /* XXX: need to add more checks here */ if (pid < 2) return -EPERM; - if (pid != current->pid) { + if (pid != task_pid_vnr(current)) { read_lock(&tasklist_lock); - p = find_task_by_pid(pid); + p = find_task_by_vpid(pid); /* make sure task cannot go away while we operate on it */ if (p) get_task_struct(p); _ - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
![]() |