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Quick explanation why this is a problem:
It is not safe to pass a pointer to a uint32_t into a routine that expects
a size_t *. The routine that this pointer is passed to has no chance to find
out that in reality it was passed a pointer to a uint32_t. On platforms where
sizeof(size_t)==8, we get a nice overwrite of a stack area that should not
be overwritten.
As this happens over an over again: Does someone know a means to make gcc
stop with an error in this case?
Volker
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Guenther
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this is used to search an array of values
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We got random double free errors, when getting events from
epoll_wait() and try to dereference the private talloc pointer
attached to it.
Before doing the close() in the tstream_disconnect_send() function
we need to delete the fd event.
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Tue Sep 28 01:02:55 UTC 2010 on sn-devel-104
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This would be a classic for talloc_tos(), InFile is freed a few lines down. But
unfortunately S4 does not support talloc_tos().
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This fixes a segfault in net conf import:
Importing a text file with an empty share resulted in a segfault.
Now this creates an empty share in registry config, just as it
should.
Thanks to Gregor Beck <gbeck@sernet.de> for reporting.
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This way we can record where a tevent_req was finished by
tevent_req_nterror().
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Mon Sep 27 03:18:14 UTC 2010 on sn-devel-104
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Sorry Jeremy.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This flag to tdb_open/tdb_open_ex effects creation of a new database:
1) Uses the Jenkins lookup3 hash instead of the old gdbm hash if none is
specified,
2) Places a non-zero field in header->rwlocks, so older versions of TDB will
refuse to open it.
This means that the caller (ie Samba) can set this flag to safely
change the hash function. Versions of TDB from this one on will either
use the correct hash or refuse to open (if a different hash is specified).
Older TDB versions will see the nonzero rwlocks field and refuse to open
it under any conditions.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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If the caller to tdb_open_ex() doesn't specify a hash, and tdb_old_hash
doesn't match, try tdb_jenkins_hash.
This was Metze's idea: it makes life simpler, especially with the upcoming
TDB_INCOMPATIBLE_HASH flag.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This is a better hash than the default: shipping it with tdb makes it easy
for callers to use it as the hash by passing it to tdb_open_ex().
This version taken from CCAN and modified, which took it from
http://www.burtleburtle.net/bob/c/lookup3.c.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We need a way to ask for the length of a tag without having the full
buffer yet.
metze
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build system.
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Based on an idea by Simon McVittie, largely rewritten
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Pair-Programmed-With: Jelmer Vernooij <jelmer@samba.org>
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this is supposed to fix bug #7463. Thanks to Joachim Schmitz.
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Guenther
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In the push routine we do the SVAL, so we should do the SSVAL here.
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This fixes (among other things) a warning during 'make test' on systems with Python 2.6.
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Cc: 597386@bugs.debian.org
Signed-off-by: Kirill Smelkov <kirr@landau.phys.spbu.ru>
Signed-off-by: Jelmer Vernooij <jelmer@samba.org>
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Cc: 597386@bugs.debian.org
Signed-off-by: Kirill Smelkov <kirr@landau.phys.spbu.ru>
Signed-off-by: Jelmer Vernooij <jelmer@samba.org>
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tdb_increment_seqnum_nonblock
Cc: 597386@bugs.debian.org
Signed-off-by: Kirill Smelkov <kirr@landau.phys.spbu.ru>
Signed-off-by: Jelmer Vernooij <jelmer@samba.org>
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Namely TDB_NOSYNC, TDB_SEQNUM, TDB_VOLATILE, TDB_ALLOW_NESTING and
TDB_DISALLOW_NESTING were missing.
Cc: 597386@bugs.debian.org
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: Jelmer Vernooij <jelmer@samba.org>
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The problem was tdb->name is NULL for TDB_INTERNAL databases, and
so it was crashing ...
#0 0xb76944f3 in strlen () from /lib/i686/cmov/libc.so.6
#1 0x0809862b in PyString_FromFormatV (format=0xb72b6a26 "Tdb('%s')", vargs=0xbfc26a94 "")
at ../Objects/stringobject.c:211
#2 0x08098888 in PyString_FromFormat (format=0xb72b6a26 "Tdb('%s')") at ../Objects/stringobject.c:358
#3 0xb72b65f2 in tdb_object_repr (self=0xb759e060) at ./pytdb.c:439
Cc: 597089@bugs.debian.org
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: Jelmer Vernooij <jelmer@samba.org>
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Note, unlike tdb_open where flags is `int', tdb_{add,remove}_flags want
flags as `unsigned', so instead of "i" I used "I" in PyArg_ParseTuple.
Cc: 597386@bugs.debian.org
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: Jelmer Vernooij <jelmer@samba.org>
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the merged variant is renamed to smb_msleep as some platforms already have a
msleep function.
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