https://github.com/torvalds/linux
The config to be able to inject error codes into any function annotated with ALLOW_ERROR_INJECTION() is enabled when FUNCTION_ERROR_INJECTION is enabled. But unfortunately, this is always enabled on x86 when KPROBES is enabled, and there's no way to turn it off. As kprobes is useful for observability of the kernel, it is useful to have it enabled in production environments. But error injection should be avoided. Add a prompt to the config to allow it to be disabled even when kprobes is enabled, and get rid of the "def_bool y". This is a kernel debug feature (it's in Kconfig.debug), and should have never been something enabled by default. Cc: stable@vger.kernel.org Fixes: 540adea3809f6 ("error-injection: Separate error-injection from kprobe") Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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error-injection: Add prompt for function error injection
File | Mode | Size |
---|---|---|
Kconfig | -rw-r--r-- | 944 bytes |
Makefile | -rw-r--r-- | 140 bytes |
bfs.h | -rw-r--r-- | 2.0 KB |
dir.c | -rw-r--r-- | 8.6 KB |
file.c | -rw-r--r-- | 4.9 KB |
inode.c | -rw-r--r-- | 11.8 KB |
Computing file changes ...