On 03/08/2016 02:07 PM, Benjamin Coddington wrote:
Before the first 'continue' use 'handle SIG37 nostop'..
I get a segfault that way:
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7
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Attaching to process 473
Reading symbols from /usr/sbin/rpc.gssd...Reading symbols from
/usr/lib/debug/usr/sbin/rpc.gssd.debug...done.
done.
Reading symbols from /lib64/libtirpc.so.1...Reading symbols from
/lib64/libtirpc.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libtirpc.so.1
Reading symbols from /lib64/libgssapi_krb5.so.2...Reading symbols from
/usr/lib/debug/usr/lib64/libgssapi_krb5.so.2.2.debug...done.
done.
Loaded symbols for /lib64/libgssapi_krb5.so.2
Reading symbols from /lib64/libkrb5.so.3...Reading symbols from
/usr/lib/debug/usr/lib64/libkrb5.so.3.3.debug...done.
done.
Loaded symbols for /lib64/libkrb5.so.3
Reading symbols from /lib64/libk5crypto.so.3...Reading symbols from
/usr/lib/debug/usr/lib64/libk5crypto.so.3.1.debug...done.
done.
Loaded symbols for /lib64/libk5crypto.so.3
Reading symbols from /lib64/libcom_err.so.2...Reading symbols from
/usr/lib/debug/usr/lib64/libcom_err.so.2.1.debug...done.
done.
Loaded symbols for /lib64/libcom_err.so.2
Reading symbols from /lib64/libc.so.6...Reading symbols from
/usr/lib/debug/usr/lib64/libc-2.17.so.debug...done.
done.
Loaded symbols for /lib64/libc.so.6
Reading symbols from /lib64/libnsl.so.1...Reading symbols from
/usr/lib/debug/usr/lib64/libnsl-2.17.so.debug...done.
done.
Loaded symbols for /lib64/libnsl.so.1
Reading symbols from /lib64/libpthread.so.0...Reading symbols from
/usr/lib/debug/usr/lib64/libpthread-2.17.so.debug...done.
done.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Loaded symbols for /lib64/libpthread.so.0
Reading symbols from /lib64/libkrb5support.so.0...Reading symbols from
/usr/lib/debug/usr/lib64/libkrb5support.so.0.1.debug...done.
done.
Loaded symbols for /lib64/libkrb5support.so.0
Reading symbols from /lib64/libdl.so.2...Reading symbols from
/usr/lib/debug/usr/lib64/libdl-2.17.so.debug...done.
done.
Loaded symbols for /lib64/libdl.so.2
Reading symbols from /lib64/libkeyutils.so.1...Reading symbols from
/usr/lib/debug/usr/lib64/libkeyutils.so.1.5.debug...done.
done.
Loaded symbols for /lib64/libkeyutils.so.1
Reading symbols from /lib64/libresolv.so.2...Reading symbols from
/usr/lib/debug/usr/lib64/libresolv-2.17.so.debug...done.
done.
Loaded symbols for /lib64/libresolv.so.2
Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from
/usr/lib/debug/usr/lib64/ld-2.17.so.debug...done.
done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib64/libselinux.so.1...Reading symbols from
/usr/lib/debug/usr/lib64/libselinux.so.1.debug...done.
done.
Loaded symbols for /lib64/libselinux.so.1
Reading symbols from /lib64/libpcre.so.1...Reading symbols from
/lib64/libpcre.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libpcre.so.1
Reading symbols from /lib64/liblzma.so.5...Reading symbols from
/lib64/liblzma.so.5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/liblzma.so.5
Reading symbols from /usr/lib64/gssproxy/proxymech.so...Reading symbols
from /usr/lib/debug/usr/lib64/gssproxy/proxymech.so.debug...done.
done.
Loaded symbols for /usr/lib64/gssproxy/proxymech.so
Reading symbols from /lib64/libgssrpc.so.4...Reading symbols from
/usr/lib/debug/usr/lib64/libgssrpc.so.4.2.debug...done.
done.
Loaded symbols for /lib64/libgssrpc.so.4
0x00007ff64f5a6be9 in __GI_ppoll (fds=fds@entry=0x7ff6518b8b50,
nfds=nfds@entry=1024, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x7ffce9f91570)
at ../sysdeps/unix/sysv/linux/ppoll.c:51
51 result = INLINE_SYSCALL (ppoll, 5, fds, nfds, timeout,
sigmask, _NSIG / 8);
Missing separate debuginfos, use: debuginfo-install
libtirpc-0.2.4-0.6.el7.x86_64 pcre-8.32-15.el7.x86_64
xz-libs-5.1.2-12alpha.el7.x86_64
(gdb) handle SIG37 nostop
Signal Stop Print Pass to program Description
SIG37 No Yes Yes Real-time event 37
(gdb) continue
Continuing.
Program received signal SIG37, Real-time event 37.
Program received signal SIG37, Real-time event 37.
Program received signal SIG37, Real-time event 37.
Program received signal SIG37, Real-time event 37.
Program received signal SIG37, Real-time event 37.
Program received signal SIGSEGV, Segmentation fault.
__strcmp_ssse3 () at ../sysdeps/x86_64/strcmp.S:212
212 movlpd (%rdi), %xmm1
(gdb) continue
Continuing.
Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
(gdb)
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