[Gnuk-users] State of EdDSA in Gnuk / GnuPG
Bertrand Jacquin
bertrand at jacquin.bzh
Thu Jan 22 00:34:26 UTC 2015
> Once gnupg, libgcrypt, npth and libassuan compiled with -g -ggdb, I do
> not get any SEGV.
It now appends again, here is a full backtrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fbf03f25700 (LWP 7232)]
__memcpy_sse2_unaligned () at
/usr/src/debug/sys-libs/glibc-2.19-r1/glibc-2.19/sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:36
36 movdqu -16(%rsi,%rdx), %xmm8
(gdb) backtrace full
#0 __memcpy_sse2_unaligned () at
/usr/src/debug/sys-libs/glibc-2.19-r1/glibc-2.19/sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:36
No locals.
#1 0x0000000000419eec in memcpy (__len=140458315481098, __src=0x44937a,
__dest=<optimized out>) at /usr/include/bits/string3.h:51
No locals.
#2 store_fpr (app=app at entry=0x7fbefc002d40,
keynumber=keynumber at entry=2, timestamp=timestamp at entry=1421886581,
fpr=fpr at entry=0x7fbf03f24d70 "\244", card_version=512,
key_type=key_type at entry=KEY_TYPE_EDDSA) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/app-openpgp.c:816
n = <optimized out>
nbits = <optimized out>
buffer = 0x7fbefc002f80 "\231"
p = <optimized out>
tag = <optimized out>
tag2 = <optimized out>
rc = <optimized out>
m = {0x44937a "\t+\006\001\004\001\332G\017\001", 0x7fbefc011a5e
"@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL",
0x7fbefc0008c0 "\006"}
mlen = {140458315481098, 33, 11}
ap = {{
gp_offset = 48,
fp_offset = 32702,
overflow_arg_area = 0x7fbf03f24b90,
reg_save_area = 0x7fbf03f24b20
}}
argc = 2
i = 0
#3 0x000000000041f0f7 in ecc_writekey (depth=0, buflen=0,
buf=0x7fbefc011ac6 "", keyno=2, pincb_arg=0x7fbefc0008c0, pincb=0x4083c0
<pin_cb>, app=0x7fbefc002d40) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/app-openpgp.c:3386
err = <optimized out>
ecc_q_len = 33
template_len = 44
toklen = 1
ecc_d = 0x7fbefc011a87 "\246TWL"
last_depth1 = <optimized out>
ecc_q = 0x7fbefc011a5e
"@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL"
template = 0x7fbf05a69008 "M*\244"
created_at = 1421886581
curve = 4
tok = 0x0
last_depth2 = <optimized out>
ecc_d_len = 32
fprbuf =
"\244\000\177H\002\000\000\000\313\332@\000\000\000\000\000\350\225e"
#4 do_writekey (app=0x7fbefc002d40, ctrl=<optimized out>,
keyid=<optimized out>, flags=<optimized out>, pincb=0x4083c0 <pin_cb>,
pincb_arg=0x7fbefc0008c0,
keydata=0x7fbefc011a20
"(11:private-key(3:ecc(5:curve7:Ed25519)(5:flags5:eddsa)(1:q33:@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL",
keydatalen=166) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/app-openpgp.c:3473
err = <optimized out>
force = <optimized out>
keyno = 2
buf = 0x7fbefc011a35
"(5:curve7:Ed25519)(5:flags5:eddsa)(1:q33:@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL"
tok = 0x7fbefc011a32
"ecc(5:curve7:Ed25519)(5:flags5:eddsa)(1:q33:@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL"
buflen = 145
toklen = 3
depth = 2
#5 0x0000000000419179 in app_writekey (app=0x7fbefc002d40,
ctrl=ctrl at entry=0x1165780, keyidstr=keyidstr at entry=0x7fbefc002ad0
"OPENPGP.3", flags=1, pincb=pincb at entry=0x4083c0 <pin_cb>,
pincb_arg=pincb_arg at entry=0x7fbefc0008c0,
keydata=0x7fbefc011a20
"(11:private-key(3:ecc(5:curve7:Ed25519)(5:flags5:eddsa)(1:q33:@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL",
keydatalen=166) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/app.c:882
err = 0
#6 0x0000000000409716 in cmd_writekey (ctx=0x7fbefc0008c0,
line=<optimized out>) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/command.c:1343
ctrl = 0x1165780
rc = 0
keyid = 0x7fbefc002ad0 "OPENPGP.3"
force = 1
keydata = 0x7fbefc011a20
"(11:private-key(3:ecc(5:curve7:Ed25519)(5:flags5:eddsa)(1:q33:@\177!\r\303s\351y\240Q\353\036\263A\307|d\226\356\026N\324th\205\375\070Y\373\373\250lH)(1:d32:\246TWL"
keydatalen = 166
#7 0x00007fbf04f1c86a in dispatch_command (ctx=0x7fbefc0008c0,
line=<optimized out>, linelen=<optimized out>) at
/usr/src/debug/dev-libs/libassuan-2.1.1/libassuan-2.1.1/src/assuan-handler.c:675
err = <optimized out>
p = <optimized out>
s = <optimized out>
shift = <optimized out>
i = <optimized out>
#8 0x00007fbf04f1cc59 in process_request (ctx=0x7fbefc0008c0) at
/usr/src/debug/dev-libs/libassuan-2.1.1/libassuan-2.1.1/src/assuan-handler.c:871
rc = 0
#9 assuan_process (ctx=0x7fbefc0008c0) at
/usr/src/debug/dev-libs/libassuan-2.1.1/libassuan-2.1.1/src/assuan-handler.c:894
No locals.
#10 0x000000000040a9c1 in scd_command_handler
(ctrl=ctrl at entry=0x1165780, fd=<optimized out>) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/command.c:2092
rc = <optimized out>
ctx = 0x7fbefc0008c0
stopme = <optimized out>
__FUNCTION__ = "scd_command_handler"
#11 0x0000000000407291 in start_connection_thread
(arg=arg at entry=0x1165780) at
/usr/src/debug/app-crypt/gnupg-2.1.1-r1/gnupg-2.1.1/scd/scdaemon.c:1164
ctrl = 0x1165780
#12 0x00007fbf04d11e1c in thread_start (startup_arg=<optimized out>) at
/usr/src/debug/dev-libs/npth-1.1/npth-1.1/src/npth.c:263
startup = <optimized out>
start_routine = 0x407260 <start_connection_thread>
arg = 0x1165780
result = <optimized out>
#13 0x00007fbf04afb083 in start_thread (arg=0x7fbf03f25700) at
/usr/src/debug/sys-libs/glibc-2.19-r1/glibc-2.19/nptl/pthread_create.c:309
__res = <optimized out>
pd = 0x7fbf03f25700
now = <optimized out>
unwind_buf = {
cancel_jmp_buf = {{
jmp_buf = {140458381694720, 317160447736282606, 0, 0,
8388608, 140458381694720, -353321070740111890, -353305107929498130},
mask_was_saved = 0
}},
priv = {
pad = {0x0, 0x0, 0x0, 0x0},
data = {
prev = 0x0,
cleanup = 0x0,
canceltype = 0
}
}
}
not_first_call = <optimized out>
robust = <optimized out>
pagesize_m1 = <optimized out>
sp = <optimized out>
freesize = <optimized out>
__PRETTY_FUNCTION__ = "start_thread"
#14 0x00007fbf0442e26d in clone () at
/usr/src/debug/sys-libs/glibc-2.19-r1/glibc-2.19/sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
I hope that can help
--
Bertrand
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