On Sat, Feb 03, 2018 at 08:33:51PM -0800, Eric Biggers wrote: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > syzkaller hit a WARN() in ata_bmdma_qc_issue() when writing to /dev/sg0. > This happened because it issued an ATA pass-through command (ATA_16) > where the protocol field indicated that NCQ should be used -- but the > device did not support NCQ. > > We could just remove the WARN() from libata-sff.c, but the real problem > seems to be that the SCSI -> ATA translation code passes through NCQ > commands without verifying that the device actually supports NCQ. > > Fix this by adding the appropriate check to ata_scsi_pass_thru(). Applied to libata/for-4.16-fixes. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
