diff options
| author | Kees Cook <[email protected]> | 2018-03-27 14:06:14 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2018-03-28 13:23:54 +0200 |
| commit | b5b38200ebe54879a7264cb6f33821f61c586a7e (patch) | |
| tree | 80880ee96abcb2a7ce8edbdca6de36d224998157 /lib/test_overflow.c | |
| parent | b24d0d5b12a678b96676348976982686fbe222b4 (diff) | |
/dev/mem: Avoid overwriting "err" in read_mem()
Successes in probe_kernel_read() would mask failures in copy_to_user()
during read_mem().
Reported-by: Brad Spengler <[email protected]>
Fixes: 22ec1a2aea73 ("/dev/mem: Add bounce buffer for copy-out")
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions