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authorAdam Thomas <adamthomas1111@gmail.com>2013-02-02 22:32:31 +0000
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2013-02-04 12:31:00 +0200
commit2928f0d0c5ebd6c9605c0d98207a44376387c298 (patch)
treee15d676a7c9f493853c0fbbab1ed2e71cf5fc0c6 /crypto/asymmetric_keys
parent3d251a5b9e2f09edcf25bbffe1fa308d0f648bf1 (diff)
downloadlinux-2928f0d0c5ebd6c9605c0d98207a44376387c298.tar.bz2
UBIFS: fix use of freed ubifs_orphan objects
The last orphan in the cnext list has its cnext set to NULL. Because of that, ubifs_delete_orphan assumes that it is not on the cnext list and frees it immediately instead of adding it to the dnext list. The freed orphan is later modified by write_orph_node. This can cause various inconsistencies including directory entries that cannot be removed and this error: UBIFS error (pid 20685): layout_cnodes: LPT out of space at LEB 14:129009 needing 17, done_ltab 1, done_lsave 1 This is a regression introduced by "7074e5eb UBIFS: remove invalid reference to list iterator variable". This change adds an explicit flag to ubifs_orphan indicating whether it is pending commit. Signed-off-by: Adam Thomas <adamthomas1111@gmail.com> Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org # v3.6+ Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'crypto/asymmetric_keys')
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