bisecting fixing commit since ccaaaf6fe5a5e1fffca5cca0f3fc4ec84d7ae752
building syzkaller on c30117b2ace7866719409f4c11bf5433062b8169
testing commit ccaaaf6fe5a5e1fffca5cca0f3fc4ec84d7ae752 with gcc (GCC) 8.4.1 20210217
kernel signature: 7463fddec92dcd07a6d85906919b2fde652d0eb4e28716cd7f8dc867a11ec9a9
run #0: crashed: possible deadlock in pty_write
run #1: crashed: possible deadlock in console_unlock
run #2: crashed: possible deadlock in pty_write
run #3: crashed: possible deadlock in console_unlock
run #4: crashed: possible deadlock in pty_write
run #5: crashed: possible deadlock in console_unlock
run #6: crashed: possible deadlock in pty_write
run #7: crashed: possible deadlock in pty_write
run #8: crashed: possible deadlock in pty_write
run #9: crashed: possible deadlock in pty_write
run #10: crashed: possible deadlock in pty_write
run #11: crashed: possible deadlock in pty_write
run #12: crashed: possible deadlock in console_unlock
run #13: crashed: possible deadlock in console_unlock
run #14: crashed: possible deadlock in console_unlock
run #15: crashed: possible deadlock in pty_write
run #16: crashed: possible deadlock in pty_write
run #17: crashed: possible deadlock in pty_write
run #18: crashed: possible deadlock in pty_write
run #19: crashed: possible deadlock in pty_write
testing current HEAD 4d7620341eda38573a73ab63c33423534fa38eb9
testing commit 4d7620341eda38573a73ab63c33423534fa38eb9 with gcc (GCC) 10.2.1 20210217
kernel signature: 515bea234325a1e7de314d71a212019713dee61f4727059f1477e0ee1030a6e6
all runs: boot failed: BUG: unable to handle kernel paging request in hga_clear_screen
revisions tested: 2, total time: 28m16.240161377s (build: 12m53.162071506s, test: 14m0.484184837s)
bisection is inconclusive, the first good commit could be any of:
ccaaaf6fe5a5e1fffca5cca0f3fc4ec84d7ae752
4d7620341eda38573a73ab63c33423534fa38eb9