bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on bca53db974f570410921f59b8c2c59a3d263cb44
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 18ceaf7f03fe7c8d0422b40bf47835513f31ed7bea690c544c9a373d8f32f64d
run #0: crashed: KASAN: use-after-free Read in disk_unblock_events
run #1: crashed: KASAN: use-after-free Read in disk_unblock_events
run #2: crashed: KASAN: use-after-free Read in disk_unblock_events
run #3: crashed: WARNING in md_ioctl
run #4: crashed: WARNING in md_ioctl
run #5: crashed: WARNING in md_ioctl
run #6: crashed: WARNING in md_ioctl
run #7: crashed: WARNING in md_ioctl
run #8: crashed: WARNING in md_ioctl
run #9: crashed: WARNING in md_ioctl
run #10: crashed: WARNING in md_ioctl
run #11: crashed: WARNING in md_ioctl
run #12: crashed: WARNING in md_ioctl
run #13: crashed: KASAN: use-after-free Read in disk_unblock_events
run #14: crashed: WARNING in md_ioctl
run #15: crashed: WARNING in md_ioctl
run #16: crashed: KASAN: use-after-free Read in disk_unblock_events
run #17: crashed: WARNING in md_ioctl
run #18: crashed: KASAN: use-after-free Read in disk_unblock_events
run #19: crashed: WARNING in md_ioctl
testing current HEAD a35d65bedfbc38cffe2701798cd6810bbdf07892
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f4848fe3fcd07f042d1b5d7746fa1e6023dc1d70152fd5219341774e0f810e20
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m41.928392804s (build: 22m45.771516809s, test: 6m25.607680196s)
the crash still happens on HEAD
commit msg: Linux 4.14.267
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout