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2024-07-31binder: frozen notification binder_features flagYu-Ting Tseng1-0/+1
Add a flag to binder_features to indicate that the freeze notification feature is available. Signed-off-by: Yu-Ting Tseng <[email protected]> Acked-by: Carlos Llamas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-06-03Merge tag 'char-misc-5.19-rc1' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char / misc / other smaller driver subsystem updates from Greg KH: "Here is the large set of char, misc, and other driver subsystem updates for 5.19-rc1. The merge request for this has been delayed as I wanted to get lots of linux-next testing due to some late arrivals of changes for the habannalabs driver. Highlights of this merge are: - habanalabs driver updates for new hardware types and fixes and other updates - IIO driver tree merge which includes loads of new IIO drivers and cleanups and additions - PHY driver tree merge with new drivers and small updates to existing ones - interconnect driver tree merge with fixes and updates - soundwire driver tree merge with some small fixes - coresight driver tree merge with small fixes and updates - mhi bus driver tree merge with lots of updates and new device support - firmware driver updates - fpga driver updates - lkdtm driver updates (with a merge conflict, more on that below) - extcon driver tree merge with small updates - lots of other tiny driver updates and fixes and cleanups, full details in the shortlog. All of these have been in linux-next for almost 2 weeks with no reported problems" * tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (387 commits) habanalabs: use separate structure info for each error collect data habanalabs: fix missing handle shift during mmap habanalabs: remove hdev from hl_ctx_get args habanalabs: do MMU prefetch as deferred work habanalabs: order memory manager messages habanalabs: return -EFAULT on copy_to_user error habanalabs: use NULL for eventfd habanalabs: update firmware header habanalabs: add support for notification via eventfd habanalabs: add topic to memory manager buffer habanalabs: handle race in driver fini habanalabs: add device memory scrub ability through debugfs habanalabs: use unified memory manager for CB flow habanalabs: unified memory manager new code for CB flow habanalabs/gaudi: set arbitration timeout to a high value habanalabs: add put by handle method to memory manager habanalabs: hide memory manager page shift habanalabs: Add separate poll interval value for protocol habanalabs: use get_task_pid() to take PID habanalabs: add prefetch flag to the MAP operation ...
2022-05-09binderfs: add extended_error feature entryCarlos Llamas1-0/+1
Add extended_error to the binderfs feature list, to help userspace determine whether the BINDER_GET_EXTENDED_ERROR ioctl is supported by the binder driver. Reviewed-by: Christian Brauner (Microsoft) <[email protected]> Acked-by: Todd Kjos <[email protected]> Signed-off-by: Carlos Llamas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-04-25selftests/binderfs: Improve message to provide more infoKarthik Alapati1-1/+2
Currently the binderfs test says what failure it encountered without saying why it may occurred when it fails to mount binderfs. So, Warn about enabling CONFIG_ANDROID_BINDERFS in the running kernel. Signed-off-by: Karthik Alapati <[email protected]> Reviewed-by: Christian Brauner (Microsoft) <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-07-21selftests/binderfs: add test for feature filesCarlos Llamas1-0/+17
Verify that feature files are created successfully after mounting a binderfs instance. Note that only "oneway_spam_detection" feature is tested with this patch as it is currently the only feature listed. Acked-by: Christian Brauner <[email protected]> Signed-off-by: Carlos Llamas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-11-05selftests: binderfs: use SKIP instead of XFAILTommi Rantala1-4/+4
XFAIL is gone since commit 9847d24af95c ("selftests/harness: Refactor XFAIL into SKIP"), use SKIP instead. Fixes: 9847d24af95c ("selftests/harness: Refactor XFAIL into SKIP") Signed-off-by: Tommi Rantala <[email protected]> Reviewed-by: Kees Cook <[email protected]> Acked-by: Christian Brauner <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-07-06selftests/binderfs: Fix harness API usageKees Cook1-138/+146
The binderfs test mixed the full harness API and the selftest API. Adjust to use only the harness API so that the harness API can switch to using the selftest API internally in future patches. Acked-by: Christian Brauner <[email protected]> Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-03-19binderfs: add stress test for binderfs binder devicesChristian Brauner1-93/+333
This adds a stress test that should hopefully help us catch regressions for [1], [2], and [3]. [1]: 2669b8b0c798 ("binder: prevent UAF for binderfs devices") [2]: f0fe2c0f050d ("binder: prevent UAF for binderfs devices II") [3]: 211b64e4b5b6 ("binderfs: use refcount for binder control devices too") Signed-off-by: Christian Brauner <[email protected]> Reviewed-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-03-19binderfs_test: switch from /dev to a unique per-test mountpointChristian Brauner1-24/+23
Unprivileged users will be able to create directories in there. The unprivileged test for /dev wouldn't have worked on most systems. Signed-off-by: Christian Brauner <[email protected]> Reviewed-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-03-19binderfs: port tests to test harness infrastructureChristian Brauner1-16/+15
Makes for nicer output and prepares for additional tests. Signed-off-by: Christian Brauner <[email protected]> Reviewed-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2019-01-30selftests: add binderfs selftestsChristian Brauner1-0/+275
This adds the promised selftest for binderfs. It will verify the following things: - binderfs mounting works - binder device allocation works - performing a binder ioctl() request through a binderfs device works - binder device removal works - binder-control removal fails - binderfs unmounting works The tests are performed both privileged and unprivileged. The latter verifies that binderfs behaves correctly in user namespaces. Cc: Todd Kjos <[email protected]> Signed-off-by: Christian Brauner <[email protected]> Acked-by: Shuah Khan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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