Date: Wed, 22 Dec 2021 13:55:41 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 260393] Page Fault tcp_output/tcp_input Message-ID: <bug-260393-7501-ErMaEBBQ0N@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-260393-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-260393-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260393 --- Comment #45 from Dobri Dobrev <ddobrev85@gmail.com> --- (In reply to Hans Petter Selasky from comment #44) (kgdb) where #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 0xffffffff80c12f6c in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:487 #3 0xffffffff80c133de in vpanic (fmt=3D0xffffffff81191bdd "%s", ap=3D<opti= mized out>) at /usr/src/sys/kern/kern_shutdown.c:920 #4 0xffffffff80c131e3 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:844 #5 0xffffffff810991b5 in trap_fatal (frame=3D0xfffffe00d3bfd5b0, eva=3D24)= at /usr/src/sys/amd64/amd64/trap.c:944 #6 0xffffffff8109920f in trap_pfault (frame=3D0xfffffe00d3bfd5b0, usermode=3Dfalse, signo=3D<optimized out>, ucode=3D<optimized out>) at /usr/src/sys/amd64/amd64/trap.c:763 #7 <signal handler called> #8 m_copydata (m=3D0x0, m@entry=3D0xfffff8010ee80d00, off=3D0, len=3D1, cp= =3D<optimized out>) at /usr/src/sys/kern/uipc_mbuf.c:657 #9 0xffffffff80dd5fa9 in tcp_output (tp=3D<optimized out>) at /usr/src/sys/netinet/tcp_output.c:1081 #10 0xffffffff80dcd382 in tcp_do_segment (m=3D<optimized out>, th=3D<optimi= zed out>, so=3D<optimized out>, tp=3D0xfffffe0251638870, drop_hdrlen=3D40, tlen=3D<optimized out>, iptos=3D0 '\000') at /usr/src/sys/netinet/tcp_input= .c:2822 #11 0xffffffff80dc9d41 in tcp_input_with_port (mp=3D<optimized out>, offp=3D<optimized out>, proto=3D<optimized out>, port=3Dport@entry=3D0) at /usr/src/sys/netinet/tcp_input.c:1400 #12 0xffffffff80dca9eb in tcp_input (mp=3D0xfffff8010ee80d00, offp=3D0x0, p= roto=3D1) at /usr/src/sys/netinet/tcp_input.c:1496 #13 0xffffffff80dbc1bf in ip_input (m=3D0x0) at /usr/src/sys/netinet/ip_input.c:834 #14 0xffffffff80d491a9 in netisr_dispatch_src (proto=3D1, source=3Dsource@e= ntry=3D0, m=3D0xfffff8015b58d700) at /usr/src/sys/net/netisr.c:1143 #15 0xffffffff80d4957f in netisr_dispatch (proto=3D250088704, m=3D0x1) at /usr/src/sys/net/netisr.c:1234 #16 0xffffffff80d2d128 in ether_demux (ifp=3Difp@entry=3D0xfffff80105343000= , m=3D0x0) at /usr/src/sys/net/if_ethersubr.c:921 #17 0xffffffff80d2e4b5 in ether_input_internal (ifp=3D0xfffff80105343000, m= =3D0x0) at /usr/src/sys/net/if_ethersubr.c:707 #18 ether_nh_input (m=3D<optimized out>) at /usr/src/sys/net/if_ethersubr.c= :737 #19 0xffffffff80d491a9 in netisr_dispatch_src (proto=3Dproto@entry=3D5, source=3Dsource@entry=3D0, m=3Dm@entry=3D0xfffff8015b58d700) at /usr/src/sys/net/netisr.c:1143 #20 0xffffffff80d4957f in netisr_dispatch (proto=3D250088704, proto@entry= =3D5, m=3D0x1, m@entry=3D0xfffff8015b58d700) at /usr/src/sys/net/netisr.c:1234 #21 0xffffffff80d2d559 in ether_input (ifp=3D<optimized out>, m=3D0xfffff8015b58d700) at /usr/src/sys/net/if_ethersubr.c:828 #22 0xffffffff80d45617 in iflib_rxeof (rxq=3D<optimized out>, rxq@entry=3D0xfffffe00d68b6340, budget=3D<optimized out>) at /usr/src/sys/net/iflib.c:3046 #23 0xffffffff80d3fc62 in _task_fn_rx (context=3D0xfffffe00d68b6340) at /usr/src/sys/net/iflib.c:3989 #24 0xffffffff80c5f80d in gtaskqueue_run_locked (queue=3Dqueue@entry=3D0xfffff80103920b00) at /usr/src/sys/kern/subr_gtaskqueue.c:371 #25 0xffffffff80c5f482 in gtaskqueue_thread_loop (arg=3D<optimized out>, arg@entry=3D0xfffffe00d6bd1020) at /usr/src/sys/kern/subr_gtaskqueue.c:547 #26 0xffffffff80bd053e in fork_exit (callout=3D0xffffffff80c5f3c0 <gtaskqueue_thread_loop>, arg=3D0xfffffe00d6bd1020, frame=3D0xfffffe00d3bfd= f40) at /usr/src/sys/kern/kern_fork.c:1092 #27 <signal handler called> #28 mi_startup () at /usr/src/sys/kern/init_main.c:322 Backtrace stopped: Cannot access memory at address 0xb (kgdb) frame 8 #8 m_copydata (m=3D0x0, m@entry=3D0xfffff8010ee80d00, off=3D0, len=3D1, cp= =3D<optimized out>) at /usr/src/sys/kern/uipc_mbuf.c:657 warning: Source file is more recent than executable. 657 count =3D min(m->m_len - off, len); (kgdb) print /x *tp->t_inpcb No symbol "tp" in current context. (kgdb) print /x tp->t_inpcb No symbol "tp" in current context. (kgdb)=20 There doesn't appear to be "tp" in frame 8 ... --=20 You are receiving this mail because: You are the assignee for the bug.=
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