On 20/02/2019 03:58, Dan Williams wrote: [...] >> >> Tricky code path, eh? > > ioctl path, number one source of bugs / thrash in this subsystem. 2nd > place, ARS. Possibly unpopular idea, but should we maybe teach trinity/syzcaller about these ioctl()s? Better we find the bugs in a QA like environment than in the filed, I guess? Byte, Johannes -- Johannes Thumshirn SUSE Labs Filesystems jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850