On 5/26/21 9:25 PM, Kees Cook wrote:
Some pseudo-filesystems do not have an explicit splice fops since adding
commit 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops"),
and now will reject attempts to use splice() in those filesystem paths.
Reported-by: kernel test robot <rong.a.chen@xxxxxxxxx>
Link: https://lore.kernel.org/lkml/202009181443.C2179FB@keescook/
Fixes: 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops")
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: linux-kselftest@xxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
Resend of https://lore.kernel.org/linux-kselftest/20201005204517.2652730-1-keescook@xxxxxxxxxxxx/
---
.../selftests/splice/short_splice_read.sh | 119 ++++++++++++++----
1 file changed, 98 insertions(+), 21 deletions(-)
Will pick this up for 5.14
thanks,
-- Shuah
