gdb ../../g10/gpg2, with -O0

file_512762.txt (text/plain), 4.15 KB, created by Thibaud CANALE on 2014-07-27 13:55:15 UTC

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Reading symbols from ../../g10/gpg2...done.
(gdb) set args --homedir . --quiet --yes --no-permission-warning --import ./pubdemo.asc
(gdb) run
Starting program: /var/tmp/portage/app-crypt/gnupg-2.0.25/work/gnupg-2.0.25/g10/gpg2 --homedir . --quiet --yes --no-permission-warning --import ./pubdemo.asc
warning: linux_ptrace_test_ret_to_nx: Cannot PTRACE_PEEKUSER: Input/output error
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?

Program received signal SIGSEGV, Segmentation fault.
0xf73204e4 in _gcry_mpi_free_limb_space (a=0x568530b0, nlimbs=1972393536)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/mpi/mpiutil.c:142
142             wipememory (a, len);
(gdb) bt
#0  0xf73204e4 in _gcry_mpi_free_limb_space (a=0x568530b0, nlimbs=1972393536)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/mpi/mpiutil.c:142
#1  0xf73207bb in _gcry_mpi_free (a=0x56853090)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/mpi/mpiutil.c:219
#2  0xf7315428 in _gcry_mpi_sub (w=0x56853050, u=0x56852f70, v=0x56852ff0)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/mpi/mpi-add.c:219
#3  0xf7317f21 in _gcry_mpi_invm (x=0x56852960, a=0x568528e0, n=0x56852920)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/mpi/mpi-inv.c:246
#4  0xf72e163b in verify (r=0x56852840, s=0x568528e0, input=0x56851ea0, pkey=0xffffd310)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/cipher/dsa.c:669
#5  0xf72e2afc in dsa_verify (s_sig=0x56852790, s_data=0x56852750, s_keyparms=0x56852bc0)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/cipher/dsa.c:1102
#6  0xf7259bf0 in _gcry_pk_verify (s_sig=0x56852790, s_hash=0x56852750, s_pkey=0x56852510)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/cipher/pubkey.c:462
#7  0xf723fb8f in gcry_pk_verify (sigval=0x56852790, data=0x56852750, pkey=0x56852510)
    at /usr/src/debug/dev-libs/libgcrypt-1.6.1-r1/libgcrypt-1.6.1/src/visibility.c:981
#8  0x565a3e37 in pk_verify (algo=17, hash=0x56851e60, data=0x56851438, pkey=0x56851070) at pkglue.c:172
#9  0x5659d875 in do_check (pk=0x56851000, sig=0x56851400, digest=0x56852010, r_expired=0x0, r_revoked=0x0, ret_pk=0x0)
    at sig-check.c:336
#10 0x5659e6cd in check_key_signature2 (root=0x568511d0, node=0x56851470, check_pk=0x0, ret_pk=0x0, is_selfsig=0x0, 
    r_expiredate=0x0, r_expired=0x0) at sig-check.c:662
#11 0x5659df2f in check_key_signature (root=0x568511d0, node=0x56851470, is_selfsig=0x0) at sig-check.c:516
#12 0x565c9a4a in chk_self_sigs (fname=0xffffdd71 "./pubdemo.asc", keyblock=0x568511d0, pk=0x56851000, keyid=0xffffd660, 
    non_self=0xffffd60c) at import.c:1493
#13 0x565c7cb0 in import_one (fname=0xffffdd71 "./pubdemo.asc", keyblock=0x568511d0, stats=0x5684ccd0, fpr=0x0, fpr_len=0x0, 
    options=8, from_sk=0, filter=0x0, filter_arg=0x0) at import.c:837
#14 0x565c6230 in import (inp=0x5684cd20, fname=0xffffdd71 "./pubdemo.asc", stats=0x5684ccd0, fpr=0x0, fpr_len=0x0, 
    options=8, filter=0x0, filter_arg=0x0) at import.c:268
#15 0x565c5f53 in import_keys_internal (inp=0x0, fnames=0xffffdb60, nnames=1, stats_handle=0x0, fpr=0x0, fpr_len=0x0, 
    options=8, filter=0x0, filter_arg=0x0) at import.c:200
#16 0x565c6088 in import_keys (fnames=0xffffdb60, nnames=1, stats_handle=0x0, options=8) at import.c:232
#17 0x56565d03 in main (argc=1, argv=0xffffdb60) at gpg.c:3716