https://github.com/torvalds/linux
The stackleak_erase() function is called on the trampoline stack at the end of syscall. This stack is not big enough for ftrace and kprobes operations, e.g. it can be exhausted if we use kprobe_events for stackleak_erase(). So let's disable function tracing and kprobes of stackleak_erase(). Reported-by: kernel test robot <lkp@intel.com> Fixes: 10e9ae9fabaf ("gcc-plugins: Add STACKLEAK plugin for tracking the kernel stack") Signed-off-by: Alexander Popov <alex.popov@linux.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org>
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stackleak: Disable function tracing and kprobes for stackleak_erase()
File | Mode | Size |
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accounting | ||
arch | ||
bpf | ||
build | ||
cgroup | ||
crypto | ||
firewire | ||
gpio | ||
hv | ||
iio | ||
include | ||
kvm | ||
laptop | ||
leds | ||
lib | ||
memory-model | ||
nfsd | ||
objtool | ||
pci | ||
pcmcia | ||
perf | ||
power | ||
scripts | ||
spi | ||
testing | ||
thermal | ||
time | ||
usb | ||
virtio | ||
vm | ||
wmi | ||
Makefile | -rw-r--r-- | 5.5 KB |
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