Module Name: src
Committed By: kamil
Date: Tue May 29 23:34:18 UTC 2018
Modified Files:
src/sys/kern: sys_ptrace_common.c
Log Message:
Harden PT_ATTACH in ptrace(2)
Don't allow to PT_ATTACH from a vfork(2)ed child (before exec(3)/_exit(3))
to its parent. Return error with EPERM errno.
This scenario does not have a purpose and there is no clear picture how to
route signals.
Sponsored by <The NetBSD Foundation>
To generate a diff of this commit:
cvs rdiff -u -r1.42 -r1.43 src/sys/kern/sys_ptrace_common.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
