bisecting fixing commit since fdc072324f3c66190a20f57490b4842a391d8233
building syzkaller on 58ae5e18624eaaac79cab00e63d6f32c9bd64ee0
testing commit fdc072324f3c66190a20f57490b4842a391d8233 with gcc (GCC) 8.1.0
kernel signature: 05f439d3531da64ce9f1dcd390e5aa0e189722ce6a08826cba444efa4f7dbf3f
run #0: crashed: BUG: unable to handle kernel paging request in update_vsyscall
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: sleeping function called from invalid context in __do_page_fault
run #5: crashed: BUG: unable to handle kernel paging request 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: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
testing current HEAD 399849e4654ea496a6217ba4e5ee3d304c995ab4
testing commit 399849e4654ea496a6217ba4e5ee3d304c995ab4 with gcc (GCC) 8.1.0
kernel signature: 88cf6244f73a6cfb97331b900727d16fbf188d5f0e036ba48609f7c51f1c2545
run #0: crashed: unexpected kernel reboot
run #1: crashed: unexpected kernel reboot
run #2: crashed: BUG: sleeping function called from invalid context in corrupted
run #3: crashed: general protection fault in corrupted
run #4: crashed: unexpected kernel reboot
run #5: crashed: general protection fault in corrupted
run #6: crashed: WARNING: kernel stack frame pointer has bad value
run #7: crashed: unexpected kernel reboot
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 28m40.082864561s (build: 17m7.979828388s, test: 10m58.363190121s)
the crash still happens on HEAD
commit msg: Linux 4.19.131
crash: no output from test machine