Observed:
# bash -c 'sleep 10 & execcap = strace -p $!'
_exit(0) = ?
Expected:
# bash -c 'sleep 10 & execcap = strace -p $!'
attach: ptrace(PTRACE_ATTACH, ...): Operation not permitted
-Topi
--- arch/i386/kernel/ptrace.c.orig Wed Mar 24 22:48:35 1999
+++ arch/i386/kernel/ptrace.c Wed Mar 24 22:48:45 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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