ci2 starts bisection 2022-10-27 16:54:22.877367798 +0000 UTC m=+16651.199149175
bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on bca53db974f570410921f59b8c2c59a3d263cb44
ensuring issue is reproducible on original commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae

testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a04fa9a3c3b2a132def1b17eef622fb56f11599cd753e28b820c7b5a289b4379
run #0: crashed: WARNING in md_ioctl
run #1: crashed: WARNING in md_ioctl
run #2: crashed: WARNING in md_ioctl
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: WARNING in md_ioctl
run #14: crashed: KASAN: use-after-free Read in disk_unblock_events
run #15: crashed: WARNING in md_ioctl
run #16: crashed: WARNING in md_ioctl
run #17: crashed: WARNING in md_ioctl
run #18: crashed: WARNING in md_ioctl
run #19: crashed: WARNING in md_ioctl
testing current HEAD 41f36d7859a79e11a13ef63ced8ae8cc31537ba2
testing commit 41f36d7859a79e11a13ef63ced8ae8cc31537ba2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f842fdab0c5905b4b7a58aea84846712512372c496b81d9ac165ae1d77bd81c6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m22.891774099s (build: 16m17.484201738s, test: 6m40.004203008s)
the crash still happens on HEAD
commit msg: Linux 4.14.296
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 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: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout