On 05/04/2016 10:50 AM, Douglas Gilbert wrote: > On 2016-05-04 09:56 AM, Sasha Levin wrote: >> On 04/17/2016 06:44 PM, Sasha Levin wrote: >>> On 04/17/2016 02:37 PM, Christoph Hellwig wrote: >>>>> Adding Doug as this involves the SG driver, which has a slightly >>>>> unusual usage of the blk-map.c code. >>>>> >>>>> Does anyone know if the __asan_storeN in the trace implies the memory >>>>> stored to was invalid and not the memory read from? >>> Yes. In this case it attempted to write to memory that was already freed. >> >> Ping? I'm still seeing bunch of these in -next. > > And again ... (as requested 3 weeks ago): > So could you send me the user space program that caused this? Sorry, didn't see the original mail. It reproduces with syzkaller (https://github.com/google/syzkaller), I don't have any easier way to reproduce it. Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html