Date: Thu, 01 Sep 2016 04:27:14 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-pf@FreeBSD.org Subject: [Bug 185633] [pf] scrubbing bug in transparent mode bug with bigger than MTU UDP packet Message-ID: <bug-185633-17777-k513ZLVp4q@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-185633-17777@https.bugs.freebsd.org/bugzilla/> References: <bug-185633-17777@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D185633 --- Comment #10 from Olivier Cochard <olivier@freebsd.org> --- I've rebuild a kernel with all DEBUG enabled. And generating only first one fragmented ICMP (ping -c 1 -s 1500 10.0.0.3) generate this kassert panic: [root@router]~# panic: vtnet_txq_encap: no mbuf packet header! cpuid =3D 0 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00003ab= 530 vpanic() at vpanic+0x182/frame 0xfffffe00003ab5b0 kassert_panic() at kassert_panic+0x126/frame 0xfffffe00003ab620 vtnet_txq_mq_start_locked() at vtnet_txq_mq_start_locked+0x635/frame 0xfffffe00003ab6e0 vtnet_txq_mq_start() at vtnet_txq_mq_start+0x6f/frame 0xfffffe00003ab720 bridge_enqueue() at bridge_enqueue+0x9a/frame 0xfffffe00003ab760 bridge_forward() at bridge_forward+0x322/frame 0xfffffe00003ab7c0 bridge_input() at bridge_input+0x5f4/frame 0xfffffe00003ab830 ether_nh_input() at ether_nh_input+0x2ab/frame 0xfffffe00003ab870 netisr_dispatch_src() at netisr_dispatch_src+0x80/frame 0xfffffe00003ab8d0 ether_input() at ether_input+0x62/frame 0xfffffe00003ab900 vtnet_rxq_eof() at vtnet_rxq_eof+0x835/frame 0xfffffe00003ab9b0 vtnet_rx_vq_intr() at vtnet_rx_vq_intr+0x4e/frame 0xfffffe00003ab9e0 intr_event_execute_handlers() at intr_event_execute_handlers+0x96/frame 0xfffffe00003aba20 ithread_loop() at ithread_loop+0xa6/frame 0xfffffe00003aba70 fork_exit() at fork_exit+0x84/frame 0xfffffe00003abab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00003abab0 --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- KDB: enter: panic [ thread pid 11 tid 100025 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why --=20 You are receiving this mail because: You are the assignee for the bug.=
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