tracing/ftrace: add new case for ftrace userstacktrace
This case is the reproducer of ftrace userstacktrace bug.
BUG: unable to handle kernel paging request at 00000000417683c0
IP: [<ffffffff8105c834>] update_curr+0x124/0x1e0
PGD 41a796067 PUD 0
Thread overran stack, or stack corrupted
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map
The bug was fixed by:
1dbd195 (tracing: Fix preempt count leak)
Signed-off-by: Li Wang <liwang@redhat.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
2 files changed