On Mon, Jun 09, 2025 at 03:54:01PM +0200, Jan Kara wrote: > Hi! > > On Mon 09-06-25 16:39:15, Xianying Wang wrote: > > I encountered a kernel WARNING in the function bdev_getblk() when > > fuzzing the Linux 6.12 kernel using Syzkaller. The crash occurs during > > a block buffer allocation path, where __alloc_pages_noprof() fails > > under memory pressure, and triggers a WARNING due to an internal > > allocation failure. > > Ah, this is a warning about GFP_NOFAIL allocation from direct reclaim: It's the same discussion we had at LSFMM. It seems like we have a lot of "modified syzkaller" people trying this kind of thing.
