bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on a9767fb2a6393444e871a02e79a14ccfa2aef52b
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 with gcc (GCC) 8.4.1 20210217
kernel signature: 10eef116bf0fdd1eae7626998b79d0193aaa9330e68d14806f4113768cad02c0
run #0: crashed: kernel BUG in remove_inode_page
run #1: crashed: kernel BUG in remove_inode_page
run #2: crashed: kernel BUG in remove_inode_page
run #3: crashed: kernel BUG in remove_inode_page
run #4: crashed: kernel BUG in remove_inode_page
run #5: crashed: kernel BUG in corrupted
run #6: crashed: kernel BUG in remove_inode_page
run #7: crashed: kernel BUG in remove_inode_page
run #8: crashed: kernel BUG in remove_inode_page
run #9: crashed: kernel BUG in remove_inode_page
run #10: crashed: kernel BUG in corrupted
run #11: crashed: kernel BUG in remove_inode_page
run #12: crashed: kernel BUG in remove_inode_page
run #13: crashed: kernel BUG in remove_inode_page
run #14: crashed: kernel BUG in remove_inode_page
run #15: crashed: kernel BUG in remove_inode_page
run #16: crashed: kernel BUG in remove_inode_page
run #17: crashed: kernel BUG in remove_inode_page
run #18: crashed: kernel BUG in remove_inode_page
run #19: crashed: kernel BUG in corrupted
testing current HEAD 313e82bbefb3d1d926858b58092f5d50f41d924d
testing commit 313e82bbefb3d1d926858b58092f5d50f41d924d with gcc (GCC) 8.4.1 20210217
kernel signature: e454562f051f8b23bdd0281631a0f6ada13b614b0b0ec2806d55814e4b5c89af
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m36.001234507s (build: 14m53.946432164s, test: 6m13.14603879s)
the crash still happens on HEAD
commit msg: Linux 4.14.238
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout