http://defect.opensolaris.org/bz/show_bug.cgi?id=13143
Summary: nwamd cores when checking advertised-domain condition
Classification: Development
Product: nwam
Version: unspecified
Platform: ANY/Generic
OS/Version: All
Status: NEW
Severity: major
Priority: P4
Component: ON daemon
AssignedTo: nwam-dev at opensolaris.org
ReportedBy: renee.danson at sun.com
QAContact: nwam-dev at opensolaris.org
--- Comment #0 from Renee Danson Sommerfeld <renee.danson at sun.com>
2009-12-08 05:08:14 UTC ---
Created an attachment (id=3180)
core file
Creating a location with a condition of "advertised-domain is foo" causes nwamd
to dump core, with the following stack:
libc_hwcap1.so.1`strcmp+0xea(0, 809e6f0, 0, 0)
test_condition_domain+0x1b(0, 809e6f0, 0, febf5e6e)
test_condition_adv_domain+0x77(0, 809e6f0, 8047ba8, 8047bac)
nwamd_check_conditions+0x12f(2, 80c9488, 1, 8169690)
nwamd_loc_check+0xd9(8169608)
nwamd_walk_objects+0x76(2, 806008c, 8047c70, 80cf1f0)
nwamd_loc_check_conditions+0x55(5f5e100, 0, 8047cc8, 805e26c, fe621a48,
fe621a08
)
nwamd_check_all_conditions+0x10(fe621a48, fe621a08, 8047cc8, 0, fe621a08,
80cff10)
nwamd_event_handler+0x78(8047d00, fefd4d2a, 1, 0, 8047d00, fefd4c01)
main+0x199(1, 8047e1c, 8047e24, feffb804)
_start+0x7d(1, 8047ec4, 0, 8047ed4, 8047eea, 8047efb)
The complete core file is attached.
It looks like there's an assumption that if either a dns or nis domain is found
on a given interface, both will exist; i.e. the ncu_adv_domains structure is
created if either domain is non-null (in get_adv_domains(), called from
test_condition_adv_domain()), and then the test function proceeds to test both
dns and nis domain strings, assuming neither is null. If one is null, which is
quite possible, the pointer is eventually passed to strcmp(), which is bad
news.
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