ci2 starts bisection 2022-07-20 16:23:55.745176309 +0000 UTC m=+12218.475965242 bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on a2eb125d4d18e3e21b7dea6e857d2ffa288218e0 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ab0113ec0d15faebf315c465918bac6fa782cb3843736d1df6947cb485f8fed2 run #0: crashed: possible deadlock in rtnl_lock run #1: crashed: possible deadlock in rtnl_lock 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 rtnl_lock run #7: crashed: possible deadlock in rtnl_lock run #8: crashed: possible deadlock in target_revfn run #9: crashed: possible deadlock in target_revfn run #10: crashed: possible deadlock in target_revfn run #11: crashed: possible deadlock in rtnl_lock run #12: crashed: possible deadlock in target_revfn run #13: crashed: possible deadlock in target_revfn run #14: crashed: possible deadlock in target_revfn run #15: crashed: possible deadlock in target_revfn run #16: crashed: possible deadlock in rtnl_lock run #17: crashed: possible deadlock in rtnl_lock run #18: crashed: possible deadlock in rtnl_lock run #19: crashed: possible deadlock in target_revfn testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26 testing commit 424a46ea058e160ae6fdd0693092ba79da533f26 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7249163343a9e2f9bfd5efad166c73a08ddffea0092e593f8271bc66f5949979 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 24m38.989892625s (build: 17m33.735223226s, test: 6m32.519653084s) the crash still happens on HEAD commit msg: Linux 4.14.288 crash: unregister_netdevice: waiting for DEV to become free IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready syz-executor.0 (7976) used greatest stack depth: 24392 bytes left can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 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