Date: Thu, 5 Oct 2023 08:36:45 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: freebsd-current@freebsd.org Subject: panic in cypto code Message-ID: <ZR7YDQzefBT31Ozn@troutmask.apl.washington.edu>
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In case anyone else is using openvpn.
% pkg info openvpn
openvpn-2.6.6
Name : openvpn
Version : 2.6.6
Installed on : Tue Sep 19 08:48:55 2023 PDT
Origin : security/openvpn
Architecture : FreeBSD:15:amd64
% uname -a
FreeBSD hotrats 15.0-CURRENT #1 main-n265325-9c30461dd25b:
Thu Sep 14 08:09:18 PDT 2023 kargl@hotrats:$PATH/HOTRATS amd64
Fatal double fault
rip 0xffffffff8099b408 rsp 0xfffffe000e1cc000 rbp 0xfffffe000e1cc010
rax 0x53749f62934c5349 rdx 0x53749f62934c5349 rbx 0xfffffe000e1cc200
rcx 0x57bf32fec3cbde70 rsi 0x32e8db2f0591c5da rdi 0x832f0fb1e6d07eb0
r8 0 r9 0 r10 0
r11 0x60 r12 0x5af7589946bd13d9 r13 0xbeddd6a808e1dd54
r14 0xcdf12bbf2708189c r15 0xeb262ae8536a7adf rflags 0x10246
cs 0x20 ss 0x28 ds 0x3b es 0x3b fs 0x13 gs 0x1b
fsbase 0x1c02e381d120 gsbase 0xffffffff81a10000 kgsbase 0
cpuid = 0; apic id = 00
panic: double fault
cpuid = 0
time = 1696512769
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff812b3060
vpanic() at vpanic+0x132/frame 0xffffffff812b3190
panic() at panic+0x43/frame 0xffffffff812b31f0
dblfault_handler() at dblfault_handler+0x1ce/frame 0xffffffff812b32b0
Xdblfault() at Xdblfault+0xd7/frame 0xffffffff812b32b0
--- trap 0x17, rip = 0xffffffff8099b408, rsp = 0xfffffe000e1cc000, rbp = 0xfffffe000e1cc010 ---
gfmultword4() at gfmultword4+0x8/frame 0xfffffe000e1cc010
gf128_mul4b() at gf128_mul4b+0x63/frame 0xfffffe000e1cc050
AES_GMAC_Update() at AES_GMAC_Update+0x73/frame 0xfffffe000e1cc0b0
swcr_gcm() at swcr_gcm+0x660/frame 0xfffffe000e1cc830
swcr_process() at swcr_process+0x1a/frame 0xfffffe000e1cc850
crypto_dispatch() at crypto_dispatch+0x42/frame 0xfffffe000e1cc870
ovpn_transmit_to_peer() at ovpn_transmit_to_peer+0x54e/frame 0xfffffe000e1cc8d0
ovpn_output() at ovpn_output+0x2a2/frame 0xfffffe000e1cc950
ip_output() at ip_output+0x11f6/frame 0xfffffe000e1cca40
ovpn_encap() at ovpn_encap+0x3e7/frame 0xfffffe000e1ccac0
#13 0xffffffff80ae08ce in dblfault_handler (frame=<optimized out>)
at /usr/src/sys/amd64/amd64/trap.c:1012
#14 <signal handler called>
#15 0xffffffff8099b408 in gfmultword4 (worda=3668422891496654298,
wordb=9452791399630012080, wordc=6013606648173318985,
wordd=6322828471639465584, x=..., tbl=0xfffffe000e1cc200)
at /usr/src/sys/opencrypto/gfmult.c:174
#16 0xffffffff8099b5d3 in gf128_mul4b (r=...,
v=v@entry=0xfffff800076b9a64 "\3156}\373\312w\254iBnD\001ܹ˾\353&*\350Sjz߃/\017\261\346\320~\260Z\367X\231F\275\023\331St\237b\223LSI\276\335֨\b\341\335TW\2772\376\303\313\336pN\265\023\352\2054\002\a/˦9R\321\366p\f\352\204P\360\270\371\250\\\aE?7s\377\253\217b\262%\214\317m",
tbl=tbl@entry=0xfffffe000e1cc200) at /usr/src/sys/opencrypto/gfmult.c:268
#17 0xffffffff8099ab13 in AES_GMAC_Update (ctx=0xfffffe000e1cc200,
vdata=<optimized out>, len=144) at /usr/src/sys/opencrypto/gmac.c:94
#18 0xffffffff80998ae0 in swcr_gcm (ses=0xfffff8020376a048,
crp=0xfffff80023386c08) at /usr/src/sys/opencrypto/cryptosoft.c:505
#19 0xffffffff80997c4a in swcr_process (dev=<optimized out>,
crp=0xfffff80023386c08, hint=<optimized out>)
at /usr/src/sys/opencrypto/cryptosoft.c:1680
--
Steve
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