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(parent: 030b995) | patch
selinux: ensure the policy has been loaded before reading the sidtab stats
authorPaul Moore <paul@paul-moore.com>
Mon, 23 Dec 2019 21:38:36 +0000 (16:38 -0500)
committerPaul Moore <paul@paul-moore.com>
Mon, 23 Dec 2019 21:38:36 +0000 (16:38 -0500)
commit15b590a81fcdd44ddcb4810f2a6334df8b6ca512
tree02a5e1441d741d2629d391a63ec0c54d4c6a6ce7tree | snapshot
parent030b995ad9ece9fa2d218af4429c1c78c2342096commit | diff
selinux: ensure the policy has been loaded before reading the sidtab stats

Check to make sure we have loaded a policy before we query the
sidtab's hash stats.  Failure to do so could result in a kernel
panic/oops due to a dereferenced NULL pointer.

Fixes: 66f8e2f03c02 ("selinux: sidtab reverse lookup hash table")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
security/selinux/ss/services.c diff | blob | history
Domain: System / Kernel;