From nobody Thu Feb 09 17:10:11 2023 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 4PCNfC6CJWz3mtcY for ; Thu, 9 Feb 2023 17:10:11 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4PCNfC4qPdz4Sj6 for ; Thu, 9 Feb 2023 17:10:11 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1675962611; 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; bh=g9KftDYfFSmdkhKzjXEN69qBFgkdYTw/kRXbMWH16zs=; b=MPRrotoYkXomtUlEtTSgA2F9evJA/u1dz4z2fgwtosq9sgkynycDdwM/E+t+050Iur4O/1 KrY0bpLo5TdSchJANKWvN+Teil8N2p0VP3cwgN+MQjyE+a1yyAPPQaO9AP2cfOi58mzsyE moeA2I83pxjW1RkzdbU4xcjzzpOBHzgO3LAPNg4Cp3dDoHhBZjEP8bqupdntMxREzR6StZ Qlf94goaQZpb2PQeSbE1V/R3qkRcUgpWBY9WB53mWq1dgKTZIopCq5T22JzkhjHOpqI/xR 0TMFOjauTIL2hfCTIpGkFJ79cv2b5cXWj/GQMNVGhukcovoprKmEe/965wCCGA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1675962611; a=rsa-sha256; cv=none; b=u15+EPT0dU6QYzCMx3oYzY1gdy28asuaI4KefPaaUSTZnlCtPWkyNERrbMJz1rN3lAW6IA aagPzm9FoBVsCkEn2EJ1MEIgetoiS9Wlj2EFruCjRC3yT09UiKj6MCpnnxvzlcKCGMDNSl Hq+57RkX1UcNA1/WNWjPoKlHsnAp7UGVyOBn4bdcEBxBknIdCR42qEq3EeKH8mCE+5qlXM NTK49UfEU4GsRklqo/MYbKzszQiJ0MZUIvyMej5TWWqRShwLb9wXIsw6vg2781ROpQZZal dE/r5uj0ANdXf8CY9VvU/iZH188DFhQtUmrvGj7l1vj9mWW2RnCvNYnL+wb9Tw== 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 4PCNfC3nH4zlVf for ; Thu, 9 Feb 2023 17:10:11 +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 319HABuQ003274 for ; Thu, 9 Feb 2023 17:10:11 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 319HAB2Z003273 for bugs@FreeBSD.org; Thu, 9 Feb 2023 17:10:11 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 269441] crash running jail network command from different jail Date: Thu, 09 Feb 2023 17:10:11 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: olivier@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D269441 Bug ID: 269441 Summary: crash running jail network command from different jail Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: olivier@freebsd.org Created attachment 240030 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D240030&action= =3Dedit core dump text kernel crash if running a network command (like a ping) in a jail/vnet from= a shell running in a different fib. Tested on: FreeBSD 14.0-CURRENT FreeBSD 14.0-CURRENT #36 main-n260757-ded5f2954e1a: W= ed Feb 8 22:32:37 CET 2023=20=20 How to reproduce: -------- #!/bin/sh echo "Creating an empty jail/vnet..." ifconfig lo888 create jail -c name=3Dbug persist vnet vnet.interface=3Dlo888 jexec bug ifconfig lo888 1.1.1.1/24 up echo "Starting a shell on fib 2..." sysctl net.fibs=3D3 setfib 2 sh echo "crashing by generating network traffic into jail from fib 2:" jexec bug ping -c 1 1.1.1 ---------- core dump extract (full log attached): (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:59 #1 dump_savectx () at /usr/src/sys/kern/kern_shutdown.c:403 #2 0xffffffff80be8d48 in dumpsys (di=3D0x0) at /usr/src/sys/x86/include/dump.h:87 #3 doadump (textdump=3D1) at /usr/src/sys/kern/kern_shutdown.c:432 #4 kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:539 #5 0xffffffff80be928f in vpanic (fmt=3D, ap=3Dap@entry=3D0xfffffe0429c18900) at /usr/src/sys/kern/kern_shutdown.= c:983 #6 0xffffffff80be90c3 in panic (fmt=3D) at /usr/src/sys/kern/kern_shutdown.c:907 #7 0xffffffff810b88c9 in trap_fatal (frame=3D0xfffffe0429c189f0, eva=3D0) at /usr/src/sys/amd64/amd64/trap.c:955 #8 0xffffffff810b891f in trap_pfault (frame=3D0xfffffe0429c189f0, usermode=3Dfalse, signo=3D, ucode=3D) at /usr/src/sys/amd64/amd64/trap.c:763 #9 #10 0x0000000000000000 in ?? () #11 0xffffffff80d912ed in fib4_lookup (fibnum=3D, dst=3D..., scopeid=3Dscopeid@entry=3D0, flags=3Dflags@entry=3D0, flowid=3Dflowid@e= ntry=3D0) at /usr/src/sys/netinet/in_fib.c:121 #12 0xffffffff80d9aa54 in in_pcbladdr (inp=3Dinp@entry=3D0xfffff81109481380, faddr=3Dfaddr@entry=3D0xfffff810970368a8, laddr=3Dladdr@entry=3D0xfffff810970368a4, cred=3D0xfffff81110c47200) at /usr/src/sys/netinet/in_pcb.c:1145 #13 0xffffffff80da8df1 in rip_send (so=3D, pruflags=3D, m=3D0xfffff81097036800, nam=3D, control=3D, td=3D) at /usr/src/sys/netinet/raw_ip.c:496 #14 0xffffffff80c90839 in sosend_generic (so=3D0xfffff81097071b40, addr=3D0= x0, uio=3D0xfffffe0429c18ce8, top=3D0xfffff81097036800, control=3D0x0, flag= s=3D0, td=3D0xfffffe01bff4b740) at /usr/src/sys/kern/uipc_socket.c:1783 --=20 You are receiving this mail because: You are the assignee for the bug.=