uprobe_pre_sstep_notifier and uprobe_post_sstep_notifier are called from debug exception handler, so blacklist them for kprobing.
Signed-off-by: Pratyush Anand <[email protected]> --- kernel/events/uprobes.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index b7a525ab2083..206e594cb65e 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -37,6 +37,7 @@ #include <linux/percpu-rwsem.h> #include <linux/task_work.h> #include <linux/shmem_fs.h> +#include <linux/kprobes.h> #include <linux/uprobes.h> @@ -1997,6 +1998,7 @@ int uprobe_pre_sstep_notifier(struct pt_regs *regs) set_thread_flag(TIF_UPROBE); return 1; } +NOKPROBE_SYMBOL(uprobe_pre_sstep_notifier); /* * uprobe_post_sstep_notifier gets called in interrupt context as part of notifier @@ -2014,6 +2016,7 @@ int uprobe_post_sstep_notifier(struct pt_regs *regs) set_thread_flag(TIF_UPROBE); return 1; } +NOKPROBE_SYMBOL(uprobe_post_sstep_notifier); static struct notifier_block uprobe_exception_nb = { .notifier_call = arch_uprobe_exception_notify, -- 2.5.5
