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Date:      Thu, 13 Jan 2022 03:51:11 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 261167] wpa_supplicant kernel panic entering multi-user mode after running /etc/netstart in single user mode
Message-ID:  <bug-261167-227-3vaf6z6Aec@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-261167-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-261167-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261167

--- Comment #1 from Graham Perrin <grahamperrin@gmail.com> ---
Created attachment 230974
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D230974&action=
=3Dedit
core.txt.3 is too large for Bugzilla; compressed

Unread portion of the kernel message buffer:
#0 0xffffffff80c71b51 at witness_debugger+0x71
#1 0xffffffff80c72caa at witness_warn+0x3ea
#2 0xffffffff810c8a96 at trap_pfault+0x86
#3 0xffffffff8109a298 at calltrap+0x8
#4 0xffffffff80d96e5b at ieee80211_sta_join1+0xbb
#5 0xffffffff80d97d48 at ieee80211_sta_join+0x428
#6 0xffffffff80d8bea7 at ieee80211_ioctl_setmlme+0x287
#7 0xffffffff80d8988a at ieee80211_ioctl_set80211+0x5da
#8 0xffffffff80d8843b at ieee80211_ioctl+0x31b
#9 0xffffffff80d29f84 at ifioctl+0x7f4
#10 0xffffffff80c77482 at kern_ioctl+0x202
#11 0xffffffff80c771d6 at sys_ioctl+0x126
#12 0xffffffff810c93be at amd64_syscall+0x12e
#13 0xffffffff8109abab at fast_syscall_common+0xf8


Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address   =3D 0x1f
fault code              =3D supervisor read data, page not present
instruction pointer     =3D 0x20:0xffffffff80d9a4c4
stack pointer           =3D 0x28:0xfffffe01121269a0
frame pointer           =3D 0x28:0xfffffe01121269b0
code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                        =3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
current process         =3D 28578 (wpa_supplicant)
trap number             =3D 12
panic: page fault
cpuid =3D 1
time =3D 1642034588
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0112126=
760
vpanic() at vpanic+0x17f/frame 0xfffffe01121267b0
panic() at panic+0x43/frame 0xfffffe0112126810
trap_fatal() at trap_fatal+0x385/frame 0xfffffe0112126870
trap_pfault() at trap_pfault+0xab/frame 0xfffffe01121268d0
calltrap() at calltrap+0x8/frame 0xfffffe01121268d0
--- trap 0xc, rip =3D 0xffffffff80d9a4c4, rsp =3D 0xfffffe01121269a0, rbp =
=3D
0xfffffe01121269b0 ---
ieee80211_del_node_nt() at ieee80211_del_node_nt+0x34/frame 0xfffffe0112126=
9b0
ieee80211_sta_join1() at ieee80211_sta_join1+0xbb/frame 0xfffffe0112126a00
ieee80211_sta_join() at ieee80211_sta_join+0x428/frame 0xfffffe0112126a50
ieee80211_ioctl_setmlme() at ieee80211_ioctl_setmlme+0x287/frame
0xfffffe0112126af0
ieee80211_ioctl_set80211() at ieee80211_ioctl_set80211+0x5da/frame
0xfffffe0112126b60
ieee80211_ioctl() at ieee80211_ioctl+0x31b/frame 0xfffffe0112126bd0
ifioctl() at ifioctl+0x7f4/frame 0xfffffe0112126cc0
kern_ioctl() at kern_ioctl+0x202/frame 0xfffffe0112126d30
sys_ioctl() at sys_ioctl+0x126/frame 0xfffffe0112126e00
amd64_syscall() at amd64_syscall+0x12e/frame 0xfffffe0112126f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0112126f30
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip =3D 0x3103d923d01a, rsp =3D
0x7fffffffe578, rbp =3D 0x7fffffffe5d0 ---
KDB: enter: panic
Uptime: 17m7s
(ada0:ahcich0:0:0:0): spin-down
Dumping 1978 out of 16265 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..=
91%

__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) #0  __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
#1  doadump (textdump=3Dtextdump@entry=3D1)
    at /usr/src/sys/kern/kern_shutdown.c:399
#2  0xffffffff80c00ba4 in kern_reboot (howto=3D260)
    at /usr/src/sys/kern/kern_shutdown.c:487
#3  0xffffffff80c0100e in vpanic (fmt=3D0xffffffff811d5bb8 "%s",=20
    ap=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:920
#4  0xffffffff80c00d63 in panic (fmt=3D<unavailable>)
    at /usr/src/sys/kern/kern_shutdown.c:844
#5  0xffffffff810c8a05 in trap_fatal (frame=3D0xfffffe01121268e0, eva=3D31)
    at /usr/src/sys/amd64/amd64/trap.c:946
#6  0xffffffff810c8abb in trap_pfault (frame=3D0xfffffe01121268e0,=20
    usermode=3Dfalse, signo=3D<optimized out>, ucode=3D<optimized out>)
    at /usr/src/sys/amd64/amd64/trap.c:765
#7  <signal handler called>
#8  0xffffffff80d9a4c4 in ieee80211_del_node_nt (nt=3D0xfffffe00c7213640,=20
    ni=3D0xfffffe0136ddc000) at /usr/src/sys/net80211/ieee80211_node.c:1379
#9  0xffffffff80d96e5b in ieee80211_sta_join1 (
    selbs=3Dselbs@entry=3D0xfffffe01165ba000)
    at /usr/src/sys/net80211/ieee80211_node.c:865
#10 0xffffffff80d97d48 in ieee80211_sta_join (
    vap=3Dvap@entry=3D0xfffff80004851000, chan=3D<optimized out>,=20
    se=3D<optimized out>) at /usr/src/sys/net80211/ieee80211_node.c:1040
#11 0xffffffff80d8bea7 in setmlme_assoc_sta (vap=3D0xfffff80004851000,=20
    mac=3D0xfffffe0112126a94 "X\037(t\a\250piano", ssid_len=3D<optimized ou=
t>,=20
    ssid=3D<optimized out>) at /usr/src/sys/net80211/ieee80211_ioctl.c:1576
#12 ieee80211_ioctl_setmlme (vap=3Dvap@entry=3D0xfffff80004851000,=20
    ireq=3Direq@entry=3D0xfffffe0112126d50)
    at /usr/src/sys/net80211/ieee80211_ioctl.c:1633
#13 0xffffffff80d8988a in ieee80211_ioctl_set80211 (
    vap=3Dvap@entry=3D0xfffff80004851000, cmd=3D<optimized out>,=20
    ireq=3Direq@entry=3D0xfffffe0112126d50)
    at /usr/src/sys/net80211/ieee80211_ioctl.c:2953
#14 0xffffffff80d8843b in ieee80211_ioctl (ifp=3D<optimized out>,=20
    cmd=3D2149607914, data=3D0xfffffe0112126d50 "wlan0")
    at /usr/src/sys/net80211/ieee80211_ioctl.c:3633
#15 0xffffffff80d29f84 in ifioctl (so=3D0xfffff80013ce7780,=20
    cmd=3D<optimized out>, data=3D<optimized out>, td=3D0xfffffe0114643720)
    at /usr/src/sys/net/if.c:3022
#16 0xffffffff80c77482 in fo_ioctl (fp=3D<optimized out>, com=3D2149607914,=
=20
    data=3D0xffffffff8120d151, active_cred=3D0xfffffe0136ddc018,=20
    td=3D0xfffffe0114643720) at /usr/src/sys/sys/file.h:364
#17 kern_ioctl (td=3D<optimized out>, td@entry=3D0xfffffe0114643720,=20
    fd=3D<optimized out>, com=3Dcom@entry=3D2149607914,=20
    data=3D0xffffffff8120d151 "/usr/src/sys/net80211/ieee80211_node.c",=20
    data@entry=3D0xfffffe0112126d50 "wlan0")
    at /usr/src/sys/kern/sys_generic.c:803
#18 0xffffffff80c771d6 in sys_ioctl (td=3D0xfffffe0114643720,=20
    uap=3D0xfffffe0114643b10) at /usr/src/sys/kern/sys_generic.c:711
#19 0xffffffff810c93be in syscallenter (td=3D<optimized out>)
    at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189
#20 amd64_syscall (td=3D0xfffffe0114643720, traced=3D0)
    at /usr/src/sys/amd64/amd64/trap.c:1191
#21 <signal handler called>
#22 0x00003103d923d01a in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffe578
(kgdb)

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