The branch stable/12 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=6c27e0b8e19e2665b8c7049f67a43a63dde6fcf4
commit 6c27e0b8e19e2665b8c7049f67a43a63dde6fcf4 Author: Konstantin Belousov <[email protected]> AuthorDate: 2021-04-11 09:06:21 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2021-05-01 00:38:29 +0000 ptrace: restructure comments around reparenting on PT_DETACH (cherry picked from commit a091c353235e0ee97d2531e80d9d64e1648350f4) --- sys/kern/sys_process.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index c61a77cd7584..cac4916c2460 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -1160,14 +1160,16 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data) break; case PT_DETACH: /* - * Reset the process parent. - * - * NB: This clears P_TRACED before reparenting + * Clear P_TRACED before reparenting * a detached process back to its original * parent. Otherwise the debugee will be set * as an orphan of the debugger. */ p->p_flag &= ~(P_TRACED | P_WAITED); + + /* + * Reset the process parent. + */ if (p->p_oppid != p->p_pptr->p_pid) { PROC_LOCK(p->p_pptr); sigqueue_take(p->p_ksi); @@ -1180,9 +1182,11 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data) CTR3(KTR_PTRACE, "PT_DETACH: pid %d reparented to pid %d, sig %d", p->p_pid, pp->p_pid, data); - } else + } else { CTR2(KTR_PTRACE, "PT_DETACH: pid %d, sig %d", p->p_pid, data); + } + p->p_ptevents = 0; FOREACH_THREAD_IN_PROC(p, td3) { if ((td3->td_dbgflags & TDB_FSTP) != 0) { _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
