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CVE-2020-27840: pytests:segfault: add ldb.Dn validate test

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ldb.Dn.validate wraps ldb_dn_explode.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14595

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Douglas Bagnall
2021-02-11 17:05:14 +13:00
committed by Stefan Metzmacher
parent 1fe8c790b2
commit 1996b79f37
2 changed files with 7 additions and 0 deletions
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6
python/samba/tests/segfault.py
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@ -184,3 +184,9 @@ class SegfaultTests(samba.tests.TestCase):
def test_dcerpc_idl_inline_arrays(self): def test_dcerpc_idl_inline_arrays(self):
"""Inline arrays were incorrectly handled.""" """Inline arrays were incorrectly handled."""
dnsserver.DNS_RPC_SERVER_INFO_DOTNET().pExtensions dnsserver.DNS_RPC_SERVER_INFO_DOTNET().pExtensions
@segfault_detector
def test_ldb_dn_explode_crash(self):
for i in range(106, 550, 5):
dn = ldb.Dn(ldb.Ldb(), "a=b%s,c= " % (' ' * i))
dn.validate()

1
selftest/knownfail.d/python-segfaults
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@ -1 +1,2 @@
samba.tests.segfault.samba.tests.segfault.SegfaultTests.test_net_replicate_init__3 samba.tests.segfault.samba.tests.segfault.SegfaultTests.test_net_replicate_init__3
samba.tests.segfault.samba.tests.segfault.SegfaultTests.test_ldb_dn_explode_crash