diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 1 | ||||
| -rw-r--r-- | Documentation/fault-injection/fault-injection.rst | 7 |
2 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f7ac0e663976..6d9afb221ff7 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1343,6 +1343,7 @@ current integrity status. failslab= + fail_usercopy= fail_page_alloc= fail_make_request=[KNL] General fault injection mechanism. diff --git a/Documentation/fault-injection/fault-injection.rst b/Documentation/fault-injection/fault-injection.rst index f850ad018b70..31ecfe44e5b4 100644 --- a/Documentation/fault-injection/fault-injection.rst +++ b/Documentation/fault-injection/fault-injection.rst @@ -16,6 +16,10 @@ Available fault injection capabilities injects page allocation failures. (alloc_pages(), get_free_pages(), ...) +- fail_usercopy + + injects failures in user memory access functions. (copy_from_user(), get_user(), ...) + - fail_futex injects futex deadlock and uaddr fault errors. @@ -177,6 +181,7 @@ use the boot option:: failslab= fail_page_alloc= + fail_usercopy= fail_make_request= fail_futex= mmc_core.fail_request=<interval>,<probability>,<space>,<times> @@ -222,7 +227,7 @@ How to add new fault injection capability - debugfs entries - failslab, fail_page_alloc, and fail_make_request use this way. + failslab, fail_page_alloc, fail_usercopy, and fail_make_request use this way. Helper functions: fault_create_debugfs_attr(name, parent, attr); |