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bh=zHhsPPDLkdSeU9tjRW5N7Haoe6QZcMPx6LMe84vrOkg=; b=oOVT+jWiAEPoiLiMFX0P+9v0mWusc9zL92lf/+UFt5UHFt9/QF9ufJwts3hx8XjA1v /kW2Tp80uBXEeVDUJ462guYPOvUSt7JlZwRIhAdKYMUW+qnXvhfIbuAgdBiK2OTKhS/+ gz+dtSWgfH3eLLEAYBDan3+lZ5RzvdC46a1p0Go5yaKMUk7kVBPFpSUL7cSVMyZ8QSkj 2ERtn7G5yLEbJvqqiqAszgi2QFYIur+zKJYcW4Vj18S4Y+mo2H7DYIZ5T/fYJf+iLkiF Oz6gNOSRFJBN2zuOvSp+j/CBx4w/Ll/hqjU9vdaZH61OgYRzArqBfABNeEZ4KNFXd3gq LWmA== X-Gm-Message-State: AOJu0Yx8PvZRz18scXO/g3ITYyU3/GN07OCz4kLM9zZmS9zsAEly53nZ QXJ/FYaJWqFJ7piT8mKmE5o0mwyAWEyGfDHibIeyJIdY/1W/wBsVdWVIaJ8w52DYgE64a7pK8ig 4p3uXudCCXOhW0UF8myvDU3cEuJ2awrKBe2qmou9szUUY99tb1EbSbb0VsgelorCZ3Z/D7NcAKh tBs4U6bro93Iaq8w/y/3JDa9fB/oHeirvL4hr7Q9az X-Received: from yxiv7.prod.google.com ([2002:a53:b007:0:b0:64a:ef75:1b5]) (user=pefoley job=prod-delivery.src-stubby-dispatcher) by 2002:a05:690e:429b:20b0:644:60d9:8648 with SMTP id 956f58d0204a3-64d10d275fcmr132512d50.87.1772726703947; Thu, 05 Mar 2026 08:05:03 -0800 (PST) Date: Thu, 05 Mar 2026 11:04:56 -0500 In-Reply-To: <20260305-passt-v2-0-f0582198afc0@google.com> Mime-Version: 1.0 References: <20260305-passt-v2-0-f0582198afc0@google.com> X-Mailer: b4 0.14.3 Message-ID: <20260305-passt-v2-1-f0582198afc0@google.com> Subject: [PATCH v2 1/2] Only kill passt if it wrote a pidfile From: Peter Foley To: qemu-devel@nongnu.org Cc: Jason Wang , Laurent Vivier , Peter Foley Content-Type: text/plain; charset="utf-8" Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::b149; envelope-from=3r6mpaQcKCvwtijspi2ksskpi.gsquiqy-hiziprsrkry.svk@flex--pefoley.bounces.google.com; helo=mail-yx1-xb149.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @google.com) X-ZM-MESSAGEID: 1772726768344154100 Content-Transfer-Encoding: quoted-printable Avoid killing qemu if passt failed before writing a pidfile. pid is initialized to 0, so calling pid in this scenario would kill the entire process group. Reviewed-by: Laurent Vivier Signed-off-by: Peter Foley --- net/passt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/passt.c b/net/passt.c index 9ed811a514..b3d4b71314 100644 --- a/net/passt.c +++ b/net/passt.c @@ -102,7 +102,9 @@ static void net_passt_cleanup(NetClientState *nc) } #endif =20 - kill(s->pid, SIGTERM); + if (s->pid > 0) { + kill(s->pid, SIGTERM); + } if (g_remove(s->pidfile) !=3D 0) { warn_report("Failed to remove passt pidfile %s: %s", s->pidfile, strerror(errno)); --=20 2.53.0.473.g4a7958ca14-goog