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3be368ff2b
We were skipping the pull in cases where the coda size was calculated
to be zero. This has the right result for empty conditional ACEs, but
not for Resource Attribute ACEs where the
CLAIM_SECURITY_ATTRIBUTE_RELATIVE_V1 coda was not intialised.
The situation is made a bit worse, because the function that
calculates the coda size (ndr_subcontext_size_of_ace_coda()) can
return zero in conditions that are not exactly errors, but in which
the would-be calculated value makes so little sense that zero is
thought to be a safer default.
Credit to OSS-Fuzz.
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66577
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15613
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Mar 25 06:00:21 UTC 2024 on atb-devel-224
(cherry picked from commit
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| .. | ||
| ABI | ||
| gen_ndr | ||
| idl | ||
| ndr | ||
| rpc | ||
| tests | ||
| tools | ||
| wsp | ||
| binding-strings.txt | ||
| ndr_krb5pac.pc.in | ||
| ndr_nbt.pc.in | ||
| ndr_standard.pc.in | ||
| ndr.pc.in | ||
| tables.pl | ||
| wscript_build | ||