Re: [PATCH 0/8] Fix misc ASAN reports

Sean Anderson
2022-04-06T18:31:47Z

On 4/3/22 6:39 AM, Andrew Scull wrote:
> I've been experimenting with ASAN on sandbox and turned up a few issues
> that are fixed in this series.
>
> Basic ASAN was easy to turn on, but integrating with dlmalloc was
> messier and fairly intrusive. Even when I had it working, there was only
> a small redzone between allocations which limits the usefulness.

Do you have any patches for this?

--Sean

> I saw another series on the list by Sean Anderson to enable valgrind
> which was finding a different set of issues, though there was one
> overlap that Sean is fixing with
> "[PATCH] IOMUX: Fix access past end of console_devices".
>
> With these issues fixed, I was able to run the dm tests without any ASAN
> issues. There are a couple of leaks reported at the end, but that's for
> another day.
>
> Andrew Scull (8):
> doc: Correct position of gdb '--args' parameter
> acpi: Fix buffer overflow in do_acpi_dump()
> x86: sandbox: Add missing PCI bar to barinfo
> usb: sandbox: Check for string end in copy_to_unicode()
> usb: sandbox: Bounds check read from buffer
> sound: Fix buffer overflow in square wave generation
> test: Fix pointer overrun in dm_test_devm_regmap()
> test: dm: devres: Remove use-after-free
>
> cmd/acpi.c | 2 +-
> doc/develop/tests_sandbox.rst | 2 +-
> drivers/power/acpi_pmc/pmc_emul.c | 1 +
> drivers/sound/sound.c | 6 ++----
> drivers/usb/emul/sandbox_flash.c | 2 ++
> drivers/usb/emul/usb-emul-uclass.c | 5 ++---
> test/dm/devres.c | 5 +----
> test/dm/regmap.c | 9 ++++-----
> 8 files changed, 14 insertions(+), 18 deletions(-)
>