Date: Sat, 3 May 2025 15:20:00 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 18e0f9ec54e8 - stable/14 - PT_ATTACH: do not interrupt interruptible sleeps Message-ID: <202505031520.543FK0rf047695@gitrepo.freebsd.org>
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The branch stable/14 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=18e0f9ec54e83fae684d51fe08f8b2b7390da006 commit 18e0f9ec54e83fae684d51fe08f8b2b7390da006 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2025-04-16 00:09:44 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2025-05-03 15:19:41 +0000 PT_ATTACH: do not interrupt interruptible sleeps (cherry picked from commit ecc662c749b11434c63a0d3578fc40df6b4798ec) --- sys/kern/kern_sig.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index a81ae86965f3..4df052629828 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -2361,6 +2361,15 @@ tdsendsignal(struct proc *p, struct thread *td, int sig, ksiginfo_t *ksi) if (prop & SIGPROP_CONT) sigqueue_delete_stopmask_proc(p); else if (prop & SIGPROP_STOP) { + if ((p->p_flag & P_TRACED) != 0 && + (p->p_flag2 & P2_PTRACE_FSTP) != 0) { + td->td_dbgflags |= TDB_FSTP; + PROC_SLOCK(p); + sig_handle_first_stop(td, p, sig, true); + PROC_SUNLOCK(p); + return (0); + } + /* * If sending a tty stop signal to a member of an orphaned * process group, discard the signal here if the action @@ -3355,7 +3364,8 @@ issignal(struct thread *td) } } - if ((p->p_flag & (P_TRACED | P_PPTRACE)) == P_TRACED && + if (false && + (p->p_flag & (P_TRACED | P_PPTRACE)) == P_TRACED && (p->p_flag2 & P2_PTRACE_FSTP) != 0 && SIGISMEMBER(sigpending, SIGSTOP)) { /*
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