Date: Wed, 08 Jan 2020 11:15:43 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 240608] if_vmx(4): iflib - Panic with INVARIANTS: Memory modified after free (12.1-pre-QA) Message-ID: <bug-240608-7501-06Deyf9HxQ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-240608-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-240608-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240608 Andriy Gapon <avg@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |avg@FreeBSD.org, | |pkelsey@freebsd.org --- Comment #8 from Andriy Gapon <avg@FreeBSD.org> --- I am seeing the same problem with FreeBSD CURRENT as of r351653 (early September). As far as I can tell, jumbo frames are not used. The interface mtu is 1500 and there are no routes with non-default mtu. The interface driver is also vmxnet3. Unread portion of the kernel message buffer: panic: Memory modified after free 0xfffff8017f069800(2048) val=3D9d671660 @ 0xfffff8017f069800 cpuid =3D 0 time =3D 1578053135 KDB: stack backtrace: stack1 db_trace_self_wrapper+0x2b vpanic+0x1a4 panic+0x43 trash_ctor+0x49 mb_ctor_clust+0x18 uma_zalloc_arg+0xa4d m_cljget+0x8a _iflib_fl_refill+0x511 _task_fn_rx+0xc06 gtaskqueue_run_locked+0x139 gtaskqueue_thread_loop+0x88 fork_exit+0x84 fork_trampoline+0xe KDB: enter: panic __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 /usr/src/sys/amd64/include/pcpu_aux.h: No such file or directory. (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=3D4620928) at /usr/src/sys/kern/kern_shutdown.c:467 #2 0xffffffff8039641c in db_fncall_generic (addr=3D<optimized out>, args=3D<optimized out>, rv=3D<optimized out>, nargs=3D<optimized out>) at /usr/src/sys/ddb/db_command.c:620 #3 db_fncall (dummy1=3D<optimized out>, dummy2=3D<optimized out>, dummy3=3D<optimized out>, dummy4=3D<optimized out>) at /usr/src/sys/ddb/db_command.c:668 #4 0xffffffff80395d39 in db_command (last_cmdp=3D<optimized out>, cmd_table=3D<optimized out>, dopager=3D0) at /usr/src/sys/ddb/db_command.c:= 492 #5 0xffffffff8039acd8 in db_script_exec (scriptname=3D<optimized out>, warnifnotfound=3D<optimized out>) at /usr/src/sys/ddb/db_script.c:304 #6 0xffffffff8039ab23 in db_script_kdbenter (eventname=3D<optimized out>) = at /usr/src/sys/ddb/db_script.c:326 #7 0xffffffff80398d2a in db_trap (type=3D<optimized out>, code=3D<optimize= d out>) at /usr/src/sys/ddb/db_main.c:251 #8 0xffffffff807c90fc in kdb_trap (type=3D3, code=3D0, tf=3D<optimized out= >) at /usr/src/sys/kern/subr_kdb.c:696 #9 0xffffffff80abe2d4 in trap (frame=3D0xfffffe0000468580) at /usr/src/sys/amd64/amd64/trap.c:621 #10 <signal handler called> #11 kdb_enter (why=3D0xffffffff80bdbcb7 "panic", msg=3D0xffffffff80bdbcb7 "= panic") at /usr/src/sys/kern/subr_kdb.c:483 #12 0xffffffff8077cff1 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:987 #13 0xffffffff8077d073 in panic (fmt=3D0xffffffff8115abd0 <cnputs_mtx+24> "= ") at /usr/src/sys/kern/kern_shutdown.c:921 #14 0xffffffff80a0d399 in trash_ctor (mem=3D0x80, size=3D4621632, arg=3D<op= timized out>, flags=3D<optimized out>) at /usr/src/sys/vm/uma_dbg.c:82 #15 0xffffffff8075ad68 in mb_ctor_clust (mem=3D0xfffff8017f069800, size=3D2= 048, arg=3D0x0, how=3D128) at /usr/src/sys/kern/kern_mbuf.c:738 #16 0xffffffff80a0783d in uma_zalloc_arg (zone=3D0xfffff8000289c000, udata= =3D0x0, flags=3D<optimized out>) at /usr/src/sys/vm/uma_core.c:2441 #17 0xffffffff80759aca in m_cljget (m=3D0x0, how=3D1, size=3D2048) at /usr/src/sys/kern/kern_mbuf.c:1392 #18 0xffffffff808b5d71 in _iflib_fl_refill (ctx=3D0xfffff80002a4b000, fl=3D<optimized out>, count=3D<optimized out>) at /usr/src/sys/net/iflib.c:= 1986 #19 0xffffffff808b17d6 in __iflib_fl_refill_lt (ctx=3D<optimized out>, fl=3D0xfffff80002a42000, max=3D24) at /usr/src/sys/net/iflib.c:2079 #20 iflib_rxeof (rxq=3D0xfffff80002a32000, budget=3D24) at /usr/src/sys/net/iflib.c:2823 #21 _task_fn_rx (context=3D0xfffff80002a32000) at /usr/src/sys/net/iflib.c:= 3795 #22 0xffffffff807c72a9 in gtaskqueue_run_locked (queue=3D0xfffff800020a6100= ) at /usr/src/sys/kern/subr_gtaskqueue.c:377 #23 0xffffffff807c7028 in gtaskqueue_thread_loop (arg=3D<optimized out>) at /usr/src/sys/kern/subr_gtaskqueue.c:558 #24 0xffffffff8073ce34 in fork_exit (callout=3D0xffffffff807c6fa0 <gtaskqueue_thread_loop>, arg=3D0xfffffe00003f9008, frame=3D0xfffffe0000468= ac0) at /usr/src/sys/kern/kern_fork.c:1048 --=20 You are receiving this mail because: You are on the CC list for the bug. You are the assignee for the bug.=
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