Todd Kjos afbec52fbc binder: use cred instead of task for getsecid ... commit 4d5b553974 upstream. Use the 'struct cred' saved at binder_open() to lookup the security ID via security_cred_getsecid(). This ensures that the security context that opened binder is the one used to generate the secctx. Cc: stable@vger.kernel.org # 5.4+ Fixes: ec74136ded ("binder: create node flag to request sender's security context") Signed-off-by: Todd Kjos <tkjos@google.com> Suggested-by: Stephen Smalley <stephen.smalley.work@gmail.com> Reported-by: kernel test robot <lkp@intel.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-11-18 14:03:36 +01:00
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binder_alloc_selftest.c	binder: print warnings when detecting oneway spamming.	2020-09-03 18:24:41 +02:00
binder_alloc.c	binder: add flag to clear buffer on txn complete	2020-12-30 11:54:09 +01:00
binder_alloc.h	binder: add flag to clear buffer on txn complete	2020-12-30 11:54:09 +01:00
binder_internal.h	binder: prevent UAF for binderfs devices II	2020-03-03 19:58:37 +01:00
binder_trace.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282	2019-06-05 17:36:37 +02:00
binder.c	binder: use cred instead of task for getsecid	2021-11-18 14:03:36 +01:00
binderfs.c	binderfs: make symbol 'binderfs_fs_parameters' static	2020-09-03 18:24:39 +02:00
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
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