From nobody Thu Mar 5 09:41:54 2026 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4fRPh30MnWz6TxYJ for ; Thu, 05 Mar 2026 09:41:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fRPh24Tcdz3nJf for ; Thu, 05 Mar 2026 09:41:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1772703714; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=g76MQPIaGiw4jq8Jh2+B/NhLV2a4Tv8CeDnlovno0lw=; b=AXx2d+tC8AtHBp2Bo6KutRJzysmpfBzM5PO1RmUp7ku1s2b3IGwoz+Ex5BocpRf5e18IOh SWwCWS6hpjpjQ1yX7P1zJZqEWovcrwGGeVWsXLfWuRwI4XQWVAXi0RuSoUae0ajbr5qKFs IE9jBU7YKHBOq9+lQtqAJZPtTjVCYgZ24R2cYBCs9VcdiSLq8z+4D1Xn79hLbltcSWHaAP S2uvCr2gMqA0ERv2x9JEunPTARo8kAXLU+H2IF+TQ98oD2sPgTWnQ+MrkQZW74CJMgKLLr 2HYg2ZQQuZjgbt3+x5GNMLWc7HY0uAKcEmqdRvLopXF2qBRiW1pjfbbXlZD6HQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1772703714; a=rsa-sha256; cv=none; b=n6G5FnPCNx5f5178KTYDhBJp+R3QH5NwkORptXNt1G/HisFF33DrqQsgMr0t6dy+E92GMX 88x947JaJhGGJIS8jq+24Mu5BAR6r1VbDVnZKfzeWCsIei/3f9s1pWAsg4O6Ueb9oYjODb 5J5pMPPudCSLh8WP4Gs0qNryTlUE30hQ90pg0b2LDm2nL4faFhNoea2R+tJ2AZ2g74q3mA +RqGcwUaeOXV1hNDsmkLz9NDHEMcdThiix+jRpRNHQzIwHfu7EG1WMAnesfFztnp4U/Txk L+KY/Nvk3Rwtap63M72ytcsDtWLvjB28eS5fg7UnP54OCrMuED8X9Be3x16Eeg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1772703714; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=g76MQPIaGiw4jq8Jh2+B/NhLV2a4Tv8CeDnlovno0lw=; b=KCznwkromsWVAp+kIG0h/9JoQ2e5bis+B1zAb6C60IRw1610vBPdjyCv1lXjes5StGH882 UZMCKThu+0XQe8KenAs429w4QO/rC/yGqXKE3ZvdOsqpMo+Aoi6dYj4yABqbGC4JmRSc/r 8DIiwI2QyJ0LuNVlQEoRr/Nt3UWWrWLfoFlZ1pJ0el+tQcJcNp2kA0ndeplHHzZn1qaMbz D3Kll6rnMfafatvtVTICT1fQXgy11I+/OmgHqfw0ZYWj3mp6cMeHKw3v9UP/8bCt4Bxvhl /2U9HypEJhhQYF8QYMHCRm2xT9RZnSdHNroG9EMY8rpE4BzNyofpfGRTkSICcg== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4fRPh244pgzXGb for ; Thu, 05 Mar 2026 09:41:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 6259fsZp099050 for ; Thu, 5 Mar 2026 09:41:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 6259fsQl099049 for bugs@FreeBSD.org; Thu, 5 Mar 2026 09:41:54 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 293382] Dead lock and kernel crash around closefp_impl Date: Thu, 05 Mar 2026 09:41:54 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.3-STABLE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: devgs@ukr.net X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D293382 --- Comment #7 from Paul --- And it crashed again, just now. Still no core dump. But this time it looks pretty interesting. It may be the hint of the problem: a missing lock, hence the 'racy' nature of the issue. <118>Starting syslogd. <118>savecore 1735 - - reboot after panic: general protection fault <118>Mar 3 12:14:25 frv21 savecore[1735]: reboot after panic: general protection fault <118>savecore 1735 - - writing core to /var/crash/textdump.tar.1 <118>Writing crash summary to /var/crash/core.txt.1. <118>Starting chronyd. <118>Starting local daemons:add net 10.0.0.0: gateway 10.10.255.254 <118>. <118>Mounting late filesystems:. <118>Starting powerd. <118>Starting snmpd. <118>Starting collectd. <118>Starting nrpe. <118>Starting cron. <118>Performing sanity check on sshd configuration. <118>Starting sshd. <118>Starting background file system checks in 60 seconds. <118> <118>Tue Mar 3 12:14:25 EET 2026 panic: mutex kqueue not owned at /usr/src/sys/kern/kern_event.c:290 cpuid =3D 24 time =3D 1772701913 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe07171f5= 810 vpanic() at vpanic+0x161/frame 0xfffffe07171f5940 panic() at panic+0x43/frame 0xfffffe07171f59a0 __mtx_assert() at __mtx_assert+0x9f/frame 0xfffffe07171f59b0 kqueue_register() at kqueue_register+0x758/frame 0xfffffe07171f5a30 kqueue_kevent() at kqueue_kevent+0xc9/frame 0xfffffe07171f5c90 kern_kevent_fp() at kern_kevent_fp+0x9b/frame 0xfffffe07171f5ce0 kern_kevent() at kern_kevent+0x82/frame 0xfffffe07171f5d40 kern_kevent_generic() at kern_kevent_generic+0x70/frame 0xfffffe07171f5da0 sys_kevent() at sys_kevent+0x61/frame 0xfffffe07171f5e00 amd64_syscall() at amd64_syscall+0x15a/frame 0xfffffe07171f5f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe07171f5f30 --- syscall (560, FreeBSD ELF64, kevent), rip =3D 0x82d3df3ea, rsp =3D 0x85= ca5eb58, rbp =3D 0x85ca5ec40 --- KDB: enter: panic --=20 You are receiving this mail because: You are the assignee for the bug.=