bisecting fixing commit since f6e27dbb1afabcba436e346d6aa88a592a1436bb building syzkaller on a3355dba737fedcd171f8b9e60bf35d733986f16 testing commit f6e27dbb1afabcba436e346d6aa88a592a1436bb with gcc (GCC) 8.1.0 kernel signature: 3c1651f5ae8a460bfe1d9094e00fbc1adae466498165dcc927267d6979341f88 run #0: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks run #1: crashed: general protection fault in scatterwalk_copychunks run #2: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks run #3: crashed: KASAN: use-after-free Read in scatterwalk_copychunks run #4: crashed: general protection fault in scatterwalk_copychunks run #5: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks run #6: crashed: general protection fault in scatterwalk_copychunks run #7: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks run #8: crashed: general protection fault in scatterwalk_copychunks run #9: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0 kernel signature: 0f222ec1da48276880cbadd001423e4866a5dea2b6964599d05a79498975b8c2 all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask revisions tested: 2, total time: 29m21.629859683s (build: 15m16.238427942s, test: 13m35.785299068s) bisection is inconclusive, the first good commit could be any of: f6e27dbb1afabcba436e346d6aa88a592a1436bb 4139fb08c05fec734f85a99e8b7d99dc12b1b68c