bisecting fixing commit since aea8526edf59da3ff5306ca408e13d8f6ab89b34 building syzkaller on 1656845f45f284c574eb4f8bfe85dd7916a47a3a testing commit aea8526edf59da3ff5306ca408e13d8f6ab89b34 with gcc (GCC) 8.1.0 kernel signature: 1efaba6e6b2a0b03f91b4b06a2b98a872da2304e3a289aab818e9ea58a6732aa run #0: crashed: KASAN: use-after-free Read in h5_rx_3wire_hdr run #1: crashed: KASAN: use-after-free Read in h5_rx_3wire_hdr run #2: crashed: KASAN: use-after-free Read in skb_release_data run #3: crashed: KASAN: use-after-free Read in h5_rx_3wire_hdr run #4: crashed: general protection fault in skb_put run #5: crashed: KASAN: use-after-free Read in h5_rx_3wire_hdr run #6: crashed: general protection fault in skb_put run #7: crashed: general protection fault in skb_put run #8: crashed: general protection fault in skb_put run #9: crashed: KASAN: use-after-free Read in skb_release_data testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0 kernel signature: d73529141625dc2ade4c70b49e8688eb60efd3a49f4d926d9f59f9988240bc44 all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask revisions tested: 2, total time: 35m5.293835655s (build: 16m30.154946098s, test: 17m50.071430923s) bisection is inconclusive, the first good commit could be any of: aea8526edf59da3ff5306ca408e13d8f6ab89b34 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1