Data Corruption bug with Samba's vfs_iouring and Linux 5.6.7/5.7rc3

[Stefan Metzmacher]

Am 06.05.20 um 12:33 schrieb Stefan Metzmacher via samba-technical:
> Hi Anoop,
> 
>> I could reproduce the difference in SHA256 checksum after copying a
>> directory with 100 copies of test file(provided by reporter) from
>> io_uring VFS module enabled share using Windows explorer(right-click-
>>> copy/paste). Only 5 out of 100 files had correct checksum after copy
>> operation :-/
> 
> Great! Can you please try to collect level 1 log files with
> the patch https://bugzilla.samba.org/attachment.cgi?id=15955
> applied?
> 
> If you use files with only 0xff please also use the
> "io_uring:check_ff=yes" option.

And "log level = 1" and "max log size = 0"

Thanks!
metze


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