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(parent: cd81a91) | patch
audit: fix exe_file access in audit_exe_compare
authorMateusz Guzik <mguzik@redhat.com>
Tue, 23 Aug 2016 14:20:39 +0000 (16:20 +0200)
committerPaul Moore <paul@paul-moore.com>
Wed, 31 Aug 2016 20:16:35 +0000 (16:16 -0400)
commit5efc244346f9f338765da3d592f7947b0afdc4b5
tree6ebac44194021885b9f79e72193ee243391dc7edtree | snapshot (tar.gz zip)
parentcd81a9170e69e018bbaba547c1fd85a585f5697acommit | diff
audit: fix exe_file access in audit_exe_compare

Prior to the change the function would blindly deference mm, exe_file
and exe_file->f_inode, each of which could have been NULL or freed.

Use get_task_exe_file to safely obtain stable exe_file.

Signed-off-by: Mateusz Guzik <mguzik@redhat.com>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Richard Guy Briggs <rgb@redhat.com>
Cc: <stable@vger.kernel.org> # 4.3.x
Signed-off-by: Paul Moore <paul@paul-moore.com>
kernel/audit_watch.c diff | blob | blame | history