From nobody Tue Oct 26 13:15:55 2021 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 7E1F41813C2D for ; Tue, 26 Oct 2021 13:15:56 +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 4HdslH3GY1z3DFF for ; Tue, 26 Oct 2021 13:15:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 4DE0A1D2B9 for ; Tue, 26 Oct 2021 13:15:55 +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 19QDFtx8043767 for ; Tue, 26 Oct 2021 13:15:55 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 19QDFth0043766 for bugs@FreeBSD.org; Tue, 26 Oct 2021 13:15:55 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 259458] iflib_rxeof NULL pointer crash with vmxnet3 driver Date: Tue, 26 Oct 2021 13:15:55 +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: 12.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@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 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=3D259458 Bug ID: 259458 Summary: iflib_rxeof NULL pointer crash with vmxnet3 driver Product: Base System Version: 12.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: avg@FreeBSD.org Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x0 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff809d4bad stack pointer =3D 0x28:0xfffffe00c85cba40 frame pointer =3D 0x28:0xfffffe00c85cba40 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 0 (if_io_tqg_0) trap number =3D 12 panic: page fault cpuid =3D 0 time =3D 1634262163 KDB: stack backtrace: stack1 db_trace_self_wrapper+0x2b vpanic+0x182 panic+0x43 trap_fatal+0x391 trap_pfault+0x4f trap+0x286 calltrap+0x8 stack2 memcpy_erms+0x1d _task_fn_rx+0x2b9 gtaskqueue_run_locked+0xed gtaskqueue_thread_loop+0x7e fork_exit+0x6d fork_trampoline+0xe KDB: enter: panic #11 kdb_enter (why=3D0xffffffff80b17af9 "panic", msg=3D0xffffffff80b17af9 "= panic") at /usr/src/sys/kern/subr_kdb.c:486 #12 0xffffffff8073ddce in vpanic (fmt=3D, ap=3D) at /usr/src/sys/kern/kern_shutdown.c:975 #13 0xffffffff8073dc23 in panic (fmt=3D0xffffffff81178120 "= ") at /usr/src/sys/kern/kern_shutdown.c:909 #14 0xffffffff809d8b31 in trap_fatal (frame=3D0xfffffe00c85cb980, eva=3D0) = at /usr/src/sys/amd64/amd64/trap.c:921 #15 0xffffffff809d8b8f in trap_pfault (frame=3D0xfffffe00c85cb980, usermode=3D, signo=3D, ucode=3D) at /usr/src/sys/amd64/amd64/trap.c:739 #16 0xffffffff809d8256 in trap (frame=3D0xfffffe00c85cb980) at /usr/src/sys/amd64/amd64/trap.c:405 #17 #18 memcpy_erms () at /usr/src/sys/amd64/amd64/support.S:577 #19 0xffffffff8084d049 in iflib_rxd_pkt_get (rxq=3D0xfffffe00ea9f5000, ri=3D) at /usr/src/sys/net/iflib.c:2737 #20 iflib_rxeof (rxq=3D, budget=3D) at /usr/src/sys/net/iflib.c:2879 #21 _task_fn_rx (context=3D) at /usr/src/sys/net/iflib.c:3868 #22 0xffffffff807808bd in gtaskqueue_run_locked (queue=3D0xfffff800020c7200= ) at /usr/src/sys/kern/subr_gtaskqueue.c:362 #23 0xffffffff8078068e in gtaskqueue_thread_loop (arg=3D) at /usr/src/sys/kern/subr_gtaskqueue.c:537 #24 0xffffffff8070792d in fork_exit (callout=3D0xffffffff80780610 , arg=3D0xfffffe00007f8008, frame=3D0xfffffe00c85cb= c00) at /usr/src/sys/kern/kern_fork.c:108 --=20 You are receiving this mail because: You are the assignee for the bug.=