ci2 starts bisection 2023-03-03 12:44:46.435970525 +0000 UTC m=+146101.374659861
bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on a2eb125d4d18e3e21b7dea6e857d2ffa288218e0
ensuring issue is reproducible on original commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207

testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3030be64dcd5665fe2b3a5add52c52b91bf261239a4b391a7b5cd284faeb5748
run #0: crashed: possible deadlock in target_revfn
run #1: crashed: possible deadlock in target_revfn
run #2: crashed: possible deadlock in target_revfn
run #3: crashed: possible deadlock in rtnl_lock
run #4: crashed: possible deadlock in rtnl_lock
run #5: crashed: possible deadlock in rtnl_lock
run #6: crashed: possible deadlock in target_revfn
run #7: crashed: possible deadlock in target_revfn
run #8: crashed: possible deadlock in target_revfn
run #9: crashed: possible deadlock in rtnl_lock
run #10: crashed: possible deadlock in target_revfn
run #11: crashed: possible deadlock in target_revfn
run #12: crashed: possible deadlock in target_revfn
run #13: crashed: possible deadlock in rtnl_lock
run #14: crashed: possible deadlock in rtnl_lock
run #15: crashed: possible deadlock in target_revfn
run #16: crashed: possible deadlock in rtnl_lock
run #17: crashed: possible deadlock in target_revfn
run #18: crashed: possible deadlock in target_revfn
run #19: crashed: possible deadlock in rtnl_lock
testing current HEAD 7878a41b6cc1ada4bb804eee96beb2c54322806c
testing commit 7878a41b6cc1ada4bb804eee96beb2c54322806c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e2a733972b4cdbfa6f85e0ebb0735b803951fe3e08175fc716eadba4306e83c5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m27.043266262s (build: 20m54.788183808s, test: 6m46.400401824s)
the crash still happens on HEAD
commit msg: Linux 4.14.307
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