[Bug 263445] Fatal trap 12: page fault while in kernel mode // supervisor read data, page not present // 13.1-RC3

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263445

--- Comment #1 from Igor A. Valkov <viaprog@gmail.com> ---
(kgdb) bt
#0  __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
#1  doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:399
#2  0xffffffff80628edc in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:487
#3  0xffffffff8062934e in vpanic (fmt=0xffffffff809f0adc "%s", ap=<optimized
out>) at /usr/src/sys/kern/kern_shutdown.c:920
#4  0xffffffff80629153 in panic (fmt=<unavailable>) at
/usr/src/sys/kern/kern_shutdown.c:844
#5  0xffffffff809758e5 in trap_fatal (frame=0xfffffe0295a173f0, eva=24) at
/usr/src/sys/amd64/amd64/trap.c:944
#6  0xffffffff8097593f in trap_pfault (frame=0xfffffe0295a173f0,
usermode=false, signo=<optimized out>, ucode=<optimized out>) at
/usr/src/sys/amd64/amd64/trap.c:763
#7  <signal handler called>
#8  m_copydata (m=0x0, m@entry=0xfffff80905c79d00, off=0, len=1, cp=<optimized
out>) at /usr/src/sys/kern/uipc_mbuf.c:659
#9  0xffffffff807a5ad9 in tcp_output (tp=<optimized out>) at
/usr/src/sys/netinet/tcp_output.c:1081
#10 0xffffffff8079d1fd in tcp_do_segment (m=<optimized out>, th=<optimized
out>, so=<optimized out>, tp=0xfffffe044ba66438, drop_hdrlen=41,
tlen=<optimized out>, iptos=0 '\000')
    at /usr/src/sys/netinet/tcp_input.c:2637
#11 0xffffffff807997c1 in tcp_input_with_port (mp=<optimized out>,
offp=<optimized out>, proto=<optimized out>, port=port@entry=0) at
/usr/src/sys/netinet/tcp_input.c:1400
#12 0xffffffff8079a46b in tcp_input (mp=0xfffff80905c79d00, offp=0x0, proto=1)
at /usr/src/sys/netinet/tcp_input.c:1496
#13 0xffffffff8078bc2f in ip_input (m=0x0) at
/usr/src/sys/netinet/ip_input.c:839
#14 0xffffffff8075f589 in netisr_dispatch_src (proto=1, source=source@entry=0,
m=0xfffff801b4c0bd00) at /usr/src/sys/net/netisr.c:1143
#15 0xffffffff8075f95f in netisr_dispatch (proto=96967936, m=0x1) at
/usr/src/sys/net/netisr.c:1234
#16 0xffffffff80744278 in ether_demux (ifp=ifp@entry=0xfffff81828629000, m=0x0)
at /usr/src/sys/net/if_ethersubr.c:921
#17 0xffffffff80745605 in ether_input_internal (ifp=0xfffff81828629000, m=0x0)
at /usr/src/sys/net/if_ethersubr.c:707
#18 ether_nh_input (m=<optimized out>) at /usr/src/sys/net/if_ethersubr.c:737
#19 0xffffffff8075f589 in netisr_dispatch_src (proto=proto@entry=5,
source=source@entry=0, m=m@entry=0xfffff801b4c0bd00) at
/usr/src/sys/net/netisr.c:1143
#20 0xffffffff8075f95f in netisr_dispatch (proto=96967936, proto@entry=5,
m=0x1, m@entry=0xfffff801b4c0bd00) at /usr/src/sys/net/netisr.c:1234
#21 0xffffffff807446a9 in ether_input (ifp=<optimized out>,
m=0xfffff801b4c0bd00) at /usr/src/sys/net/if_ethersubr.c:828
#22 0xffffffff80744261 in ether_demux (ifp=ifp@entry=0xfffff80102df8800, m=0x0)
at /usr/src/sys/net/if_ethersubr.c:874
#23 0xffffffff80745605 in ether_input_internal (ifp=0xfffff80102df8800, m=0x0)
at /usr/src/sys/net/if_ethersubr.c:707
#24 ether_nh_input (m=<optimized out>) at /usr/src/sys/net/if_ethersubr.c:737
#25 0xffffffff8075f589 in netisr_dispatch_src (proto=proto@entry=5,
source=source@entry=0, m=m@entry=0xfffff801b4c0bd00) at
/usr/src/sys/net/netisr.c:1143
#26 0xffffffff8075f95f in netisr_dispatch (proto=96967936, proto@entry=5,
m=0x1, m@entry=0xfffff801b4c0bd00) at /usr/src/sys/net/netisr.c:1234
#27 0xffffffff807446a9 in ether_input (ifp=<optimized out>,
m=0xfffff801b4c0bd00) at /usr/src/sys/net/if_ethersubr.c:828
#28 0xffffffff807a2d04 in tcp_lro_flush (lc=lc@entry=0xfffffe019e015d30,
le=0xfffffe019edb3690) at /usr/src/sys/netinet/tcp_lro.c:1375
#29 0xffffffff807a304b in tcp_lro_rx_done (lc=0xfffffe019e015d30) at
/usr/src/sys/netinet/tcp_lro.c:566
#30 tcp_lro_flush_all (lc=lc@entry=0xfffffe019e015d30) at
/usr/src/sys/netinet/tcp_lro.c:1532
#31 0xffffffff8075ba03 in iflib_rxeof (rxq=<optimized out>,
rxq@entry=0xfffffe019e015d00, budget=<optimized out>) at
/usr/src/sys/net/iflib.c:3058
#32 0xffffffff80756022 in _task_fn_rx (context=0xfffffe019e015d00) at
/usr/src/sys/net/iflib.c:3990
#33 0xffffffff8067525d in gtaskqueue_run_locked
(queue=queue@entry=0xfffff801029b8200) at
/usr/src/sys/kern/subr_gtaskqueue.c:371
#34 0xffffffff80674ed2 in gtaskqueue_thread_loop (arg=<optimized out>,
arg@entry=0xfffffe019df0e068) at /usr/src/sys/kern/subr_gtaskqueue.c:547
#35 0xffffffff805e621e in fork_exit (callout=0xffffffff80674e10
<gtaskqueue_thread_loop>, arg=0xfffffe019df0e068, frame=0xfffffe0295a17f40) at
/usr/src/sys/kern/kern_fork.c:1093
#36 <signal handler called>
#37 mi_startup () at /usr/src/sys/kern/init_main.c:322
Backtrace stopped: Cannot access memory at address 0x14

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