bisecting fixing commit since fdc072324f3c66190a20f57490b4842a391d8233
building syzkaller on 58ae5e18624eaaac79cab00e63d6f32c9bd64ee0
testing commit fdc072324f3c66190a20f57490b4842a391d8233 with gcc (GCC) 8.1.0
kernel signature: e59b7b8b8a61422b3861418881a8a42e192e69a6da729ac7aa88116aed13a46f
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #9: crashed: no output from test machine
testing current HEAD f6d5cb9e2c06f7d583dd9f4f7cca21d13d78c32a
testing commit f6d5cb9e2c06f7d583dd9f4f7cca21d13d78c32a with gcc (GCC) 8.1.0
kernel signature: ec2f6532546dc9cb6a6e4c98e27220af54a87365f9fc077908fe84afb4a2f5a7
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
run #1: crashed: unexpected kernel reboot
run #2: crashed: unexpected kernel reboot
run #3: crashed: unexpected kernel reboot
run #4: crashed: unexpected kernel reboot
run #5: crashed: BUG: sleeping function called from invalid context in corrupted
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 37m46.534449462s (build: 20m20.788009939s, test: 15m51.711171271s)
the crash still happens on HEAD
commit msg: Linux 4.19.142
crash: no output from test machine