Re: [PATCH v2] ata: fixes kernel crash while tracing ata_eh_link_autopsy event

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Nov 02, 2017 at 04:31:07PM +0530, Rameshwar Prasad Sahu wrote:
> When tracing ata link error event, the kernel crashes when the disk is
> removed due to NULL pointer access by trace_ata_eh_link_autopsy API.
> This occurs as the dev is NULL when the disk disappeared. This patch
> fixes this crash by calling trace_ata_eh_link_autopsy only if "dev"
> is not NULL.
> 
> v2 changes:
>  Removed direct passing "link" pointer instead of "dev" in trace API.
> 
> Signed-off-by: Rameshwar Prasad Sahu <rsahu@xxxxxxx>

Applied to libata/for-4.15.

Thanks.

-- 
tejun



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux