ci2 starts bisection 2023-01-20 13:51:18.697105299 +0000 UTC m=+21333.569577619
bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 6e821dbf79b49f1952fc147f237aa0f396790edc
ensuring issue is reproducible on original commit a35d65bedfbc38cffe2701798cd6810bbdf07892

testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 019d6e0ec19de630024bd13b76bfa020373ebf60787c12ebd2a62efff8187933
run #0: crashed: unregister_netdevice: waiting for DEV to become free
run #1: crashed: unregister_netdevice: waiting for DEV to become free
run #2: crashed: unregister_netdevice: waiting for DEV to become free
run #3: crashed: unregister_netdevice: waiting for DEV to become free
run #4: crashed: unregister_netdevice: waiting for DEV to become free
run #5: crashed: unregister_netdevice: waiting for DEV to become free
run #6: crashed: unregister_netdevice: waiting for DEV to become free
run #7: crashed: unregister_netdevice: waiting for DEV to become free
run #8: crashed: unregister_netdevice: waiting for DEV to become free
run #9: crashed: unregister_netdevice: waiting for DEV to become free
run #10: crashed: unregister_netdevice: waiting for DEV to become free
run #11: crashed: unregister_netdevice: waiting for DEV to become free
run #12: crashed: unregister_netdevice: waiting for DEV to become free
run #13: crashed: unregister_netdevice: waiting for DEV to become free
run #14: crashed: unregister_netdevice: waiting for DEV to become free
run #15: crashed: inconsistent lock state in sync_timeline_debug_remove
run #16: crashed: unregister_netdevice: waiting for DEV to become free
run #17: crashed: unregister_netdevice: waiting for DEV to become free
run #18: crashed: unregister_netdevice: waiting for DEV to become free
run #19: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 97205fccccdc5c145b77c434135ee8429b03ed98
testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 172864fd037a28958a5afd1412986c9dc627f8c45a6d2ea153ae96872266053f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m1.082659685s (build: 15m46.664921742s, test: 6m34.351136184s)
the crash still happens on HEAD
commit msg: Linux 4.14.303
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: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout