[Bug 235684] security/ipsec-tools kernel panic

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[Bug 235684] security/ipsec-tools kernel panic

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235684

--- Comment #10 from Sergey Anokhin <[hidden email]> ---
(In reply to Jan Bramkamp from comment #6)

Will it ok?

(pts/1)[root@server:~]# sysctl kern.maxssiz=1073741824
kern.maxssiz: 536870912 -> 1073741824
(pts/1)[root@server:~]# /usr/local/etc/rc.d/racoon onestart
Starting racoon.
(pts/1)[root@server:~]# /usr/local/etc/rc.d/racoon onestop
Stopping racoon.
Waiting for PIDS: 5662

kernel panic

btw, I've noticed that kernel panic during stopping racoon.

# kgdb kernel /var/crash/vmcore.last
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Reading symbols from kernel...Reading symbols from
/usr/obj/usr/src/amd64.amd64/sys/SERVER/kernel.debug...done.
done.

Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address   = 0x28
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff80ecd31d
stack pointer           = 0x28:0xfffffe003fca7a40
frame pointer           = 0x28:0xfffffe003fca7a60
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (softirq_2)
trap number             = 12
panic: page fault
cpuid = 2
time = 1550009599
KDB: stack backtrace:
#0 0xffffffff80c531c7 at kdb_backtrace+0x67
#1 0xffffffff80c07143 at vpanic+0x1a3
#2 0xffffffff80c06f93 at panic+0x43
#3 0xffffffff8118d9ff at trap_fatal+0x35f
#4 0xffffffff8118da59 at trap_pfault+0x49
#5 0xffffffff8118d07e at trap+0x29e
#6 0xffffffff81168ac5 at calltrap+0x8
#7 0xffffffff80eca240 at ipsec_delete_pcbpolicy+0x20
#8 0xffffffff80dbaeec at in_pcbfree_deferred+0x6c
#9 0xffffffff80c4db1a at epoch_call_task+0x1ca
#10 0xffffffff80c51a54 at gtaskqueue_run_locked+0x144
#11 0xffffffff80c516b8 at gtaskqueue_thread_loop+0x98
#12 0xffffffff80bc6f23 at fork_exit+0x83
#13 0xffffffff81169abe at fork_trampoline+0xe
Uptime: 8m33s
Dumping 950 out of 8077 MB:..2%..11%..21%..31%..41%..51%..61%..71%..81%..91%

__curthread () at ./machine/pcpu.h:230
230             __asm("movq %%gs:%P1,%0" : "=r" (td) : "n"
(OFFSETOF_CURTHREAD));
(kgdb) bt
#0  __curthread () at ./machine/pcpu.h:230
#1  doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:366
#2  0xffffffff80c06d2b in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:446
#3  0xffffffff80c071a3 in vpanic (fmt=<optimized out>, ap=0xfffffe003fca7790)
at /usr/src/sys/kern/kern_shutdown.c:872
#4  0xffffffff80c06f93 in panic (fmt=<unavailable>) at
/usr/src/sys/kern/kern_shutdown.c:799
#5  0xffffffff8118d9ff in trap_fatal (frame=0xfffffe003fca7980, eva=40) at
/usr/src/sys/amd64/amd64/trap.c:929
#6  0xffffffff8118da59 in trap_pfault (frame=0xfffffe003fca7980, usermode=0) at
/usr/src/sys/amd64/amd64/trap.c:765
#7  0xffffffff8118d07e in trap (frame=0xfffffe003fca7980) at
/usr/src/sys/amd64/amd64/trap.c:441
#8  <signal handler called>
#9  0xffffffff80ecd31d in key_freesp (spp=0xfffff80211241880) at
/usr/src/sys/netipsec/key.c:1199
#10 0xffffffff80eca240 in ipsec_delete_pcbpolicy (inp=0xfffff800151aa1e8) at
/usr/src/sys/netipsec/ipsec_pcb.c:176
#11 0xffffffff80dbaeec in in_pcbfree_deferred (ctx=0xfffff800151aa3c0) at
/usr/src/sys/netinet/in_pcb.c:1576
#12 0xffffffff80c4db1a in epoch_call_task (arg=<optimized out>) at
/usr/src/sys/kern/subr_epoch.c:507
#13 0xffffffff80c51a54 in gtaskqueue_run_locked (queue=0xfffff80003363c00) at
/usr/src/sys/kern/subr_gtaskqueue.c:376
#14 0xffffffff80c516b8 in gtaskqueue_thread_loop (arg=<optimized out>) at
/usr/src/sys/kern/subr_gtaskqueue.c:557
#15 0xffffffff80bc6f23 in fork_exit (callout=0xffffffff80c51620
<gtaskqueue_thread_loop>, arg=0xfffffe00025f5038, frame=0xfffffe003fca7c00)
    at /usr/src/sys/kern/kern_fork.c:1059
#16 <signal handler called>
(kgdb) frame 9
#9  0xffffffff80ecd31d in key_freesp (spp=0xfffff80211241880) at
/usr/src/sys/netipsec/key.c:1199
1199            KEYDBG(IPSEC_STAMP,
(kgdb)

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