The patch below fixes the PTRACE_ATTACH problem.
I think the "is a subset" should sound as "is not a subset".
Regards,
Tigran.
--- ptrace.c.0 Wed Mar 24 21:03:52 1999
+++ ptrace.c Wed Mar 24 21:23:33 1999
@@ -386,7 +386,7 @@
(current->uid != child->uid) ||
(current->gid != child->egid) ||
(current->gid != child->sgid) ||
- (cap_issubset(child->cap_permitted, current->cap_permitted)) ||
+ (!cap_issubset(child->cap_permitted, current->cap_permitted)) ||
(current->gid != child->gid)) && !capable(CAP_SYS_PTRACE))
goto out;
/* the same process cannot be attached many times */
-
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