bisecting fixing commit since c9fda4f22428e09728b611ec9100157199039bfe
building syzkaller on 1e35461e020a8b43c7b2d79ee64eb4068a9f0481
testing commit c9fda4f22428e09728b611ec9100157199039bfe with gcc (GCC) 8.1.0
kernel signature: 420021d178c467280e2c30ed557daa8fef441023388f6666157a476023b13769
all runs: crashed: KASAN: use-after-free Read in ccid2_hc_tx_packet_recv
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: 64bc52b0bdea731197344b6e2f10b5ee3581f2276a0c85a34d4768bd408b2862
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 30m46.632769406s (build: 15m35.811863372s, test: 14m41.855582402s)
bisection is inconclusive, the first good commit could be any of:
c9fda4f22428e09728b611ec9100157199039bfe
4139fb08c05fec734f85a99e8b7d99dc12b1b68c