Date: Sun, 21 Feb 2021 19:46:53 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 253587] iflib (?): reproducible mbuf-related crashes Message-ID: <bug-253587-7501-89bmU6EW56@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-253587-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-253587-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253587 --- Comment #6 from Kamigishi Rei <spambox@haruhiism.net> --- With pf and ipfw inactive and without a bridge present (pf and if_bridge are compiled into the kernel), IPv6 traffic from outside via igb0 to a LAN host= via igb1: Unread portion of the kernel message buffer: panic: Assertion m->m_nextpkt =3D=3D NULL failed at /usr/src/sys/net/iflib.= c:4089 cpuid =3D 3 time =3D 1613936205 KDB: stack backtrace: #0 0xffffffff807fcfe5 at kdb_backtrace+0x65 #1 0xffffffff807b2cd1 at vpanic+0x181 #2 0xffffffff807b2aa3 at panic+0x43 #3 0xffffffff808f15db at iflib_if_transmit+0x15b #4 0xffffffff808d751b at ether_output_frame+0xab #5 0xffffffff808d7421 at ether_output+0x6b1 #6 0xffffffff80984025 at nd6_flush_holdchain+0x35 #7 0xffffffff80987950 at nd6_na_input+0x5a0 #8 0xffffffff8095cc0e at icmp6_input+0xb3e #9 0xffffffff80976009 at ip6_input+0xe89 #10 0xffffffff808f4491 at netisr_dispatch_src+0xb1 #11 0xffffffff808d76be at ether_demux+0x17e #12 0xffffffff808d8d4c at ether_nh_input+0x40c #13 0xffffffff808f4491 at netisr_dispatch_src+0xb1 #14 0xffffffff808d7bb1 at ether_input+0xa1 #15 0xffffffff808f0556 at iflib_rxeof+0xe06 #16 0xffffffff808ea0ca at _task_fn_rx+0x7a #17 0xffffffff807fb977 at gtaskqueue_run_locked+0xa7 Uptime: 1m8s Dumping 357 out of 4051 MB:..5%..14%..23%..32%..41%..54%..63%..72%..81%..95% __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown= .c:399 #2 0xffffffff807b28fb in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:486 #3 0xffffffff807b2d40 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:919 #4 0xffffffff807b2aa3 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:843 #5 0xffffffff808f15db in iflib_if_transmit (ifp=3D0xfffff800026ac800, m=3D0xfffff800237adc00) at /usr/src/sys/net/iflib.c:4089 #6 0xffffffff808d751b in ether_output_frame (ifp=3Difp@entry=3D0xfffff8000= 26ac800, m=3D<unavailable>) at /usr/src/sys/net/if_ethersubr.c:511 #7 0xffffffff808d7421 in ether_output (ifp=3D<optimized out>, m=3D<unavail= able>, dst=3D0xfffffe0007f8d408, ro=3D<optimized out>) at /usr/src/sys/net/if_ethersubr.c:438 #8 0xffffffff80984025 in nd6_flush_holdchain (ifp=3Difp@entry=3D0xfffff800026ac800, chain=3D<optimized out>, dst=3Ddst@entry=3D0xfffffe0007f8d408) at /usr/src/sys/netinet6/nd6.c:2463 #9 0xffffffff80987950 in nd6_na_input (m=3Dm@entry=3D0xfffff800232ee800, off=3D<optimized out>, off@entry=3D40, icmp6len=3D<optimized out>, icmp6len= @entry=3D32) at /usr/src/sys/netinet6/nd6_nbr.c:909 #10 0xffffffff8095cc0e in icmp6_input (mp=3D0xfffffe0007f8d778, mp@entry=3D= <error reading variable: value is not available>, offp=3D0xfffffe0007f8d770, offp@entry=3D<error reading variable: value is not available>, proto=3D<unavailable>, proto@entry=3D<error reading variable: value is not available>) at /usr/src/sys/netinet6/icmp6.c:817 #11 0xffffffff80976009 in ip6_input (m=3D0xfffff800232ee800, m@entry=3D<err= or reading variable: value is not available>) at /usr/src/sys/netinet6/ip6_input.c:930 #12 0xffffffff808f4491 in netisr_dispatch_src (proto=3D6, source=3Dsource@e= ntry=3D0, m=3D0xfffff800232ee800) at /usr/src/sys/net/netisr.c:1143 #13 0xffffffff808f47df in netisr_dispatch (proto=3D<unavailable>, m=3D<unavailable>) at /usr/src/sys/net/netisr.c:1234 #14 0xffffffff808d76be in ether_demux (ifp=3Difp@entry=3D0xfffff800026ac800, m=3D<unavailable>) at /usr/src/sys/net/if_ethersubr.c:923 #15 0xffffffff808d8d4c in ether_input_internal (ifp=3D0xfffff800026ac800, m=3D<unavailable>) at /usr/src/sys/net/if_ethersubr.c:709 #16 ether_nh_input (m=3D<optimized out>, m@entry=3D<error reading variable:= value is not available>) at /usr/src/sys/net/if_ethersubr.c:739 #17 0xffffffff808f4491 in netisr_dispatch_src (proto=3Dproto@entry=3D5, source=3Dsource@entry=3D0, m=3Dm@entry=3D0xfffff800232ee800) at /usr/src/sys/net/netisr.c:1143 #18 0xffffffff808f47df in netisr_dispatch (proto=3D<unavailable>, proto@ent= ry=3D5, m=3D<unavailable>, m@entry=3D0xfffff800232ee800) at /usr/src/sys/net/netisr= .c:1234 #19 0xffffffff808d7bb1 in ether_input (ifp=3D0xfffff800026ac800, m=3D0xfffff800232ee800) at /usr/src/sys/net/if_ethersubr.c:830 #20 0xffffffff808f0556 in iflib_rxeof (rxq=3D<optimized out>, rxq@entry=3D0xfffff800026ac300, budget=3D<optimized out>) at /usr/src/sys/net/iflib.c:3008 #21 0xffffffff808ea0ca in _task_fn_rx (context=3D0xfffff800026ac300) at /usr/src/sys/net/iflib.c:3951 #22 0xffffffff807fb977 in gtaskqueue_run_locked (queue=3Dqueue@entry=3D0xfffff80002423100) at /usr/src/sys/kern/subr_gtaskqueue.c:371 #23 0xffffffff807fb774 in gtaskqueue_thread_loop (arg=3Darg@entry=3D0xfffffe0008d54050) at /usr/src/sys/kern/subr_gtaskqueue= .c:547 #24 0xffffffff8076efb0 in fork_exit (callout=3D0xffffffff807fb6e0 <gtaskqueue_thread_loop>, arg=3D0xfffffe0008d54050, frame=3D0xfffffe0007f8d= c00) at /usr/src/sys/kern/kern_fork.c:1069 #25 <signal handler called> --=20 You are receiving this mail because: You are the assignee for the bug.=
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