bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on 1508f45368a309a3b1196a342b3d64ce7be4cc43
testing commit a844dc4c544291470aa69edbe2434b040794e269 with gcc (GCC) 8.1.0
kernel signature: ad9e146389361b6ae9bfd0a42d634e183b7f9b20c8ee2c8b53ef68e5cfd7499e
all runs: crashed: KASAN: global-out-of-bounds Read in fb_pad_aligned_buffer
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: b2c255c1ded5aa840c5e6b0a42550bd757974abcfc8dac9eb555c361fb17dff4
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 31m20.411488597s (build: 16m29.808611261s, test: 13m37.59515069s)
bisection is inconclusive, the first good commit could be any of:
a844dc4c544291470aa69edbe2434b040794e269
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1