search for: genrand

On 11/2/18 4:28 PM, Jeremy Allison wrote: > if you're getting the abort(), then urand_fd == -1. > If urand_fd != -1 and you're hitting the abort then > you have a compiler bug. A compiler bug is also possible. When I have time I'll try to rebuild Samba with -O0 to make sure it isn't an optimization issue.

...0 the backtrace changed. > > #0  0x00007ff699ec153f in raise () from /lib64/libc.so.6 > #1  0x00007ff699eab895 in abort () from /lib64/libc.so.6 > #2  0x00007ff696b19925 in generate_random_buffer (out=0x7ffe0422a426 > <incomplete sequence \352>, >     len=2) at ../lib/util/genrand.c:50 > #3  0x00007ff699280357 in generate_trn_id () > at ../source3/libsmb/namequery.c:249 #4  0x00007ff699283332 in > name_query_send (mem_ctx=0x55788a265200, ev=0x55788b8424e0, > name=0x7ff69c731e2b "\001\002__MSBROWSE__\002", name_type=1, > bcast=true, recurse=true, addr...

...issue. When I built with -O0 the backtrace changed. #0  0x00007ff699ec153f in raise () from /lib64/libc.so.6 #1  0x00007ff699eab895 in abort () from /lib64/libc.so.6 #2  0x00007ff696b19925 in generate_random_buffer (out=0x7ffe0422a426 <incomplete sequence \352>,     len=2) at ../lib/util/genrand.c:50 #3  0x00007ff699280357 in generate_trn_id () at ../source3/libsmb/namequery.c:249 #4  0x00007ff699283332 in name_query_send (mem_ctx=0x55788a265200, ev=0x55788b8424e0,     name=0x7ff69c731e2b "\001\002__MSBROWSE__\002", name_type=1, bcast=true, recurse=true,     addr=0x55788a01436...

...> > > #0  0x00007ff699ec153f in raise () from /lib64/libc.so.6 > > #1  0x00007ff699eab895 in abort () from /lib64/libc.so.6 > > #2  0x00007ff696b19925 in generate_random_buffer (out=0x7ffe0422a426 > > <incomplete sequence \352>, > >     len=2) at ../lib/util/genrand.c:50 > > #3  0x00007ff699280357 in generate_trn_id () > > at ../source3/libsmb/namequery.c:249 #4  0x00007ff699283332 in > > name_query_send (mem_ctx=0x55788a265200, ev=0x55788b8424e0, > > name=0x7ff69c731e2b "\001\002__MSBROWSE__\002", name_type=1, > > bcast...

...). SELinux is disabled and /dev/urandom is chmod' 666. Any pointers? Backtrace from samba-client-libs-4.9.1-2.fc29.x86_64: #0  0x00007fe785c0b53f in raise () from /lib64/libc.so.6 #1  0x00007fe785bf5895 in abort () from /lib64/libc.so.6 #2  0x00007fe782ad97d5 in open_urandom () at ../lib/util/genrand.c:37 #3  generate_random_buffer (out=out at entry=0x7ffeb252b536 ".\025\260\230\027\207\260U",     len=len at entry=2) at ../lib/util/genrand.c:46 #4  0x00007fe78501fc6e in generate_trn_id () at ../source3/libsmb/namequery.c:1276 #5  name_query_send (mem_ctx=<optimized out>, ev=0x5...

...ndom is chmod' 666. > > Any pointers? > > Backtrace from samba-client-libs-4.9.1-2.fc29.x86_64: > #0  0x00007fe785c0b53f in raise () from /lib64/libc.so.6 > #1  0x00007fe785bf5895 in abort () from /lib64/libc.so.6 > #2  0x00007fe782ad97d5 in open_urandom () at ../lib/util/genrand.c:37 > #3  generate_random_buffer (out=out at entry=0x7ffeb252b536 ".\025\260\230\027\207\260U", >     len=len at entry=2) at ../lib/util/genrand.c:46 The above is deliberate. open of /dev/urandom should never fail. If it does we have worse problems :-). https://en.wikipedia.org/w...

...f what i did read also. (it involves these 3 lines of lintian output) the middle one is the one that needs to be fixed. I: libwbclient0: hardening-no-fortify-functions usr/lib/x86_64-linux-gnu/samba/libsys-rw.so.0 E: libwbclient0: library-not-linked-against-libc usr/lib/x86_64-linux-gnu/samba/libgenrand.so.0 I: libwbclient0: symbols-file-missing-build-depends-package-field And as long this isnt fixed, im not releasing my 4.12 packages. ;-) > > Aside from obious configuration params, any other caution I > should take? When upgrading, it might happen you see and upgrade error. Verify i...

On 11/2/18 1:32 PM, Jeremy Allison wrote: > What errno is being returned on open of /dev/urandom ? I think the backtrace is being munged or the stack is being blown. When I debug during the crash here is what I find: (gdb) p urand_fd $4 = 56 OK... so the fd is set? and 56? I can confirm that fd 56 is /dev/urandom: $ ls -l /proc/14777/fd/56 lr-x------. 1 michael michael 64 Nov  2 14:17

...lob.c lib/util_sec.c lib/util_pw.c lib/version.c lib/time.c \ lib/util_sid.c lib/dprintf.c lib/module.c lib/tallocmsg.c \ lib/hmacmd5.c lib/md4.c lib/arc4.c lib/md5.c lib/username.c \ lib/util_uuid.c lib/secacl.c lib/secdesc.c lib/secace.c \ lib/util_seaccess.c lib/sharesec.c lib/crc32.c lib/genrand.c lib/replace.c SRC_LIBSMB=libsmb/clispnego.c libsmb/nterr.c libsmb/smb_signing.c \ libsmb/cliconnect.c libsmb/dcerpc_err.c libsmb/smbencrypt.c \ libsmb/nmblib.c libsmb/errormap.c libsmb/smbdes.c libsmb/namecache.c \ libsmb/clientgen.c libsmb/namequery.c libsmb/clifile.c \ libsmb/clitrans.c...

...int_generic.o printing/lpq_parse.o printing/ load.o profile/profile.o lib/charcnv.o lib/charset.o lib/debug.o lib/ fault.o lib/getsmbpass.o lib/interface.o lib/kanji.o lib/md4.o lib/ interfaces.o lib/pidfile.o lib/replace.o lib/signal.o lib/system.o lib/sendfile.o lib/time.o lib/ufc.o lib/genrand.o lib/username.o lib/ util_getent.o lib/access.o lib/smbrun.o lib/bitmap.o lib/crc32.o lib/ snprintf.o lib/wins_srv.o lib/util_str.o lib/util_sid.o lib/ util_unistr.o lib/util_file.o lib/util.o lib/util_sock.o lib/ util_sec.o smbd/ssl.o lib/talloc.o lib/hash.o lib/substitute.o lib/ fsusag...

...library bin/libsmbclient.so PYTHON_OBJS="dynconfig.po param/loadparm.po param/params.po lib/charcnv.po lib/debug.po lib/fault.po lib/getsmbpass.po lib/interface.po lib/md4.po lib/interfaces.po lib/pidfile.po lib/replace.po lib/signal.po lib/system.po lib/sendfile.po lib/time.po lib/ufc.po lib/genrand.po lib/username.po lib/util_getent.po lib/util_pw.po lib/access.po lib/smbrun.po lib/bitmap.po lib/crc32.po lib/snprintf.po lib/dprintf.po lib/xfile.po lib/wins_srv.po lib/util_str.po lib/clobber.po lib/util_sid.po lib/util_uuid.po lib/util_unistr.po lib/util_file.po lib/data_blob.po lib/util.po li...

...ompatible pointer type Compiling torture/../../lib/util/tests/parmlist.c Compiling torture/../../lib/util/tests/str.c Compiling torture/../../lib/util/tests/time.c Compiling torture/../../lib/util/tests/data_blob.c Compiling torture/../../lib/util/tests/file.c Compiling torture/../../lib/util/tests/genrand.c Compiling torture/../../lib/compression/testsuite.c Compiling torture/../../lib/util/charset/tests/charset.c Compiling torture/../libcli/security/tests/sddl.c Compiling ../lib/tdr/testsuite.c Compiling torture/../../lib/tevent/testsuite.c Compiling torture/../param/tests/share.c Compiling torture...

...nting/print_generic.o printing/lpq_parse.o printing/load.o profile/profile.o lib/charcnv.o lib/charset.o lib/debug.o lib/fault.o lib/getsmbpass.o lib/interface.o lib/kanji.o lib/md4.o lib/interfaces.o lib/pidfile.o lib/replace.o lib/signal.o lib/system.o lib/sendfile.o lib/time.o lib/ufc.o lib/genrand.o lib/username.o lib/util_getent.o lib/access.o lib/smbrun.o lib/bitmap.o lib/crc32.o lib/snprintf.o lib/wins_srv.o lib/util_str.o lib/util_sid.o lib/util_unistr.o lib/util_file.o lib/util.o lib/util_sock.o lib/util_sec.o smbd/ssl.o lib/talloc.o lib/hash.o lib/substitute.o lib/fsusage.o lib/m...

...t.c Compiling lib/getsmbpass.c Compiling lib/interface.c Compiling lib/kanji.c Compiling lib/md4.c Compiling lib/interfaces.c Compiling lib/pidfile.c Compiling lib/replace.c Compiling lib/signal.c Compiling lib/system.c Compiling lib/sendfile.c Compiling lib/time.c Compiling lib/ufc.c Compiling lib/genrand.c Compiling lib/username.c Compiling lib/util_getent.c Compiling lib/access.c Compiling lib/smbrun.c Compiling lib/bitmap.c Compiling lib/crc32.c Compiling lib/snprintf.c Compiling lib/wins_srv.c Compiling lib/util_str.c Compiling lib/util_sid.c Compiling lib/util_unistr.c Compiling lib/util_file.c...

.... 6). smbmount race condition fix. 7). Fix for bug where trying to browse large numbers of shares generated an error from an NT client. 8). Wrapper for setgroups for SunOS 4.x 9). Fix for directory deleting failing from multiuser NT. 10). Fix for crash bug if bitmap was full. 11). Fix for Linux genrand where /dev/random could cause clients to timeout on connect if the entropy pool was empty. 12). The default PASSWD_CHAT may now be overridden in local.h 13). HPUX printing fixes for default programs. 14). Reverted (erroneous) code in MACHINE.SID generation that was setting the sid t...

At 16:58 23/07/99 +1000, you wrote: > SAMBA Digest 2177 > >For information on unsubscribing see http://samba.org/listproc/ >Topics covered in this issue include: > > 1) rookie needs help > by "Page, Jon T" <Jon.Page@pnl.gov> > 2) genrand.c > by Mark_Noel@cch.com > 3) Wincenter 3.1.13/Winframe 1.7 - ACLs: > by Hanns-Peter Ermert <Hanns-Peter.Ermert@alcatel.de> > 4) Re: Mount a SMB-share? > by "Keith G. Murphy" <keithmur@mindspring.com> > 5) Re: security level flag... > by giulio...

...ck.o TDB_OBJ = $(TDBBASE_OBJ) tdb/tdbutil.o LIB_OBJ = lib/charcnv.o lib/charset.o lib/debug.o lib/fault.o \ lib/getsmbpass.o lib/interface.o lib/kanji.o lib/md4.o \ lib/interfaces.o lib/pidfile.o lib/replace.o \ lib/signal.o lib/system.o lib/time.o \ lib/ufc.o lib/genrand.o lib/username.o lib/util_getent.o lib/access.o lib/smbrun.o \ lib/bitmap.o lib/crc32.o lib/snprintf.o lib/wins_srv.o \ lib/util_str.o lib/util_sid.o \ lib/util_unistr.o lib/util_file.o \ lib/util.o lib/util_sock.o lib/util_sec.o smbd/ssl.o \ lib/talloc.o lib/hash.o lib/substitute.o...

...ck.o TDB_OBJ = $(TDBBASE_OBJ) tdb/tdbutil.o LIB_OBJ = lib/charcnv.o lib/charset.o lib/debug.o lib/fault.o \ lib/getsmbpass.o lib/interface.o lib/kanji.o lib/md4.o \ lib/interfaces.o lib/pidfile.o lib/replace.o \ lib/signal.o lib/system.o lib/time.o \ lib/ufc.o lib/genrand.o lib/username.o lib/util_getent.o lib/access.o lib/smbrun.o \ lib/bitmap.o lib/crc32.o lib/snprintf.o lib/wins_srv.o \ lib/util_str.o lib/util_sid.o \ lib/util_unistr.o lib/util_file.o \ lib/util.o lib/util_sock.o lib/util_sec.o smbd/ssl.o \ lib/talloc.o lib/hash.o lib/substitute.o...

...m_smb_passwd.po pam_smbpass/pam_smb_acct.po pam_smbpass/support.po lib/debug.po lib/util_sid.po lib/messages.po lib/util_str.po lib/wins_srv.po lib/substitute.po lib/select.po lib/util.po nsswitch/wb_client.po nsswitch/wb_common.po lib/system.po lib/charset.po lib/util_file.po lib/kanji.po lib/genrand.po lib/username.po lib/charcnv.po lib/time.po lib/md4.po lib/util_unistr.po lib/signal.po lib/talloc.po lib/ms_fnmatch.po lib/util_sock.po lib/smbrun.po lib/util_sec.po ubiqx/ubi_sLinkList.po libsmb/smbencrypt.po libsmb/smbdes.po param/loadparm.po param/params.po tdb/tdb.po tdb/spinlock.po tdb...

...signed char" because they differ by signed/unsigned attribute. (ptrmismatch1) sp = from; ----^ Compiling lib/md4.c Compiling lib/interfaces.c Compiling lib/pidfile.c Compiling lib/replace.c Compiling lib/signal.c Compiling lib/system.c Compiling lib/time.c Compiling lib/ufc.c Compiling lib/genrand.c Compiling lib/username.c Compiling lib/util_getent.c Compiling lib/access.c Compiling lib/smbrun.c Compiling lib/bitmap.c Compiling lib/crc32.c Compiling lib/snprintf.c Compiling lib/wins_srv.c Compiling lib/util_str.c Compiling lib/util_sid.c Compiling lib/util_unistr.c Compiling lib/util_file.c...