bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 77e2b66864e69c17416614228723a1ebd3581ddc
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b08cfacf880a6767324920a0be26b55c74d7b64f268e031b2f6fe1dec9ec83b5
all runs: crashed: WARNING: ODEBUG bug in __cancel_work
testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26
testing commit 424a46ea058e160ae6fdd0693092ba79da533f26
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a5b836eab96cd8da64b2d6dde7ca4c3ba95a618edc6d4ece1e8900f4fe7aa574
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m44.650117628s (build: 20m10.975097108s, test: 6m8.482885442s)
the crash still happens on HEAD
commit msg: Linux 4.14.288
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout