bisecting fixing commit since f6e27dbb1afabcba436e346d6aa88a592a1436bb
building syzkaller on a3355dba737fedcd171f8b9e60bf35d733986f16
testing commit f6e27dbb1afabcba436e346d6aa88a592a1436bb with gcc (GCC) 8.1.0
kernel signature: b1ed9af948ac622a5c63e93ac14ccead47e29de95f88b3d5e3e6dc4e7195c932
run #0: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
run #1: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
run #2: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
run #3: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #4: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #5: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #6: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #7: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #8: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #9: crashed: INFO: task hung in vivid_stop_generating_vid_cap
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: 0ef5d1ea4fc8c3604ac8c34aa8d668710440f1a1e514d5af6a97bc9dea4301e1
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 37m26.384226284s (build: 17m27.686852399s, test: 18m53.078713449s)
bisection is inconclusive, the first good commit could be any of:
f6e27dbb1afabcba436e346d6aa88a592a1436bb
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1