Re: [PATCH v2] mpt3sas: Avoid test/set_bit() operating in non-allocated memory

[Martin K. Petersen]

On Wed, 05 Jun 2024 01:55:29 -0700, Breno Leitao wrote:

> There is a potential out-of-bounds access when using test_bit() on a
> single word. The test_bit() and set_bit() functions operate on long
> values, and when testing or setting a single word, they can exceed the
> word boundary. KASAN detects this issue and produces a dump:
> 
> 	 BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas
> 
> [...]

Applied to 6.10/scsi-fixes, thanks!

[1/1] mpt3sas: Avoid test/set_bit() operating in non-allocated memory
      https://git.kernel.org/mkp/scsi/c/4254dfeda82f

-- 
Martin K. Petersen	Oracle Linux Engineering