Functions which are called from do_debug_execptions and all entry routines must not allow to insert kprobe in it, otherwise we may witness a system hang.
This patch set blacklist such symbols. Patches should be applied on top of arm64 kprobe patches [1]. [1] https://lkml.org/lkml/2015/6/15/514 Pratyush Anand (2): arm64: Blacklist non-kprobe-able symbols arm64: Make all entry code as non-kprobe-able arch/arm64/kernel/debug-monitors.c | 18 ++++++++++++++++++ arch/arm64/kernel/entry.S | 3 +++ arch/arm64/kernel/hw_breakpoint.c | 8 ++++++++ arch/arm64/kernel/kgdb.c | 4 ++++ arch/arm64/kernel/kprobes.c | 9 +++++++++ arch/arm64/kernel/vmlinux.lds.S | 1 + arch/arm64/mm/fault.c | 1 + 7 files changed, 44 insertions(+) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
