bisecting fixing commit since 4762bcd451a9e92e79d5146d3d4a5ffe2b4e0ec5 building syzkaller on 048f2d494ee4a016e2386c28bf8cccdd87896cbd testing commit 4762bcd451a9e92e79d5146d3d4a5ffe2b4e0ec5 with gcc (GCC) 8.1.0 kernel signature: 6543e2c802970ca8eaa44db90e7ff3b0909402a0765230302d1a6d93102aa113 all runs: crashed: kernel BUG at include/linux/scatterlist.h:LINE! testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0 kernel signature: 83a390d95785d90f7aa15d054c6e747638f088e516aab8a564f3c115955a88b8 all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask revisions tested: 2, total time: 30m0.302297324s (build: 15m43.260579413s, test: 13m46.566277753s) bisection is inconclusive, the first good commit could be any of: 4762bcd451a9e92e79d5146d3d4a5ffe2b4e0ec5 4139fb08c05fec734f85a99e8b7d99dc12b1b68c