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Noel Power 43ea097461 s3:libsmb: Fix illegal memory access after memory has been deleted.
smbtorture with the libsmbclient test suite produces the following valgrind
trace

==31432== Invalid read of size 8
==31432==    at 0x99B8858: smbc_free_context (libsmb_context.c:260)
==31432==    by 0x5E6401: torture_libsmbclient_opendir (libsmbclient.c:136)
==31432==    by 0x9553F42: wrap_simple_test (torture.c:632)
==31432==    by 0x955366F: internal_torture_run_test (torture.c:442)
==31432==    by 0x95538C3: torture_run_tcase_restricted (torture.c:506)
==31432==    by 0x9553278: torture_run_suite_restricted (torture.c:357)
==31432==    by 0x95531D7: torture_run_suite (torture.c:339)
==31432==    by 0x25FEFF: run_matching (smbtorture.c:93)
==31432==    by 0x260195: torture_run_named_tests (smbtorture.c:143)
==31432==    by 0x261E14: main (smbtorture.c:665)
==31432==  Address 0x18864a70 is 80 bytes inside a block of size 96 free'd
==31432==    at 0x4C2A37C: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==31432==    by 0x99BCC46: SMBC_closedir_ctx (libsmb_dir.c:922)
==31432==    by 0x99C06CA: SMBC_close_ctx (libsmb_file.c:370)
==31432==    by 0x99B8853: smbc_free_context (libsmb_context.c:259)
==31432==    by 0x5E6401: torture_libsmbclient_opendir (libsmbclient.c:136)
==31432==    by 0x9553F42: wrap_simple_test (torture.c:632)
==31432==    by 0x955366F: internal_torture_run_test (torture.c:442)
==31432==    by 0x95538C3: torture_run_tcase_restricted (torture.c:506)
==31432==    by 0x9553278: torture_run_suite_restricted (torture.c:357)
==31432==    by 0x95531D7: torture_run_suite (torture.c:339)
==31432==    by 0x25FEFF: run_matching (smbtorture.c:93)
==31432==    by 0x260195: torture_run_named_tests (smbtorture.c:143)

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11836

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Apr 14 13:24:10 CEST 2016 on sn-devel-144
2016-04-14 13:24:10 +02:00
..
2014-01-03 05:04:44 +01:00
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