bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on a9767fb2a6393444e871a02e79a14ccfa2aef52b
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 94c9d1b8fa5d394e4c65ace24c5a55468c3a068651b050f64f28e60ca09065f2
run #0: crashed: kernel BUG in remove_inode_page
run #1: crashed: kernel BUG in remove_inode_page
run #2: crashed: kernel BUG in corrupted
run #3: crashed: kernel BUG in remove_inode_page
run #4: crashed: kernel BUG in remove_inode_page
run #5: crashed: kernel BUG in remove_inode_page
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 remove_inode_page
run #11: crashed: kernel BUG in remove_inode_page
run #12: crashed: kernel BUG in corrupted
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 remove_inode_page
testing current HEAD 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 82b6d21e41f98cd947544709796d86c41ca54a49cb64595b87ec1ee13f9ecbbd
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m39.687774225s (build: 18m29.64508686s, test: 6m43.812031194s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout