ci2 starts bisection 2022-08-20 03:27:38.236488028 +0000 UTC m=+112852.115326949
bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 70c104a18f3d409bc6dde950b50258d3d280d99b
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 38aac6c621d3d9419b455887248d2ca2e1ba8bcbbdcc47643a49841ee583033b
run #0: crashed: BUG: unable to handle kernel paging request in __alloc_skb
run #1: crashed: BUG: unable to handle kernel paging request in __alloc_skb
run #2: crashed: BUG: unable to handle kernel paging request in __alloc_skb
run #3: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #4: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #5: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #6: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #7: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #8: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #9: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #10: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #11: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #12: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #13: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #14: crashed: INFO: rcu detected stall in corrupted
run #15: crashed: INFO: rcu detected stall in corrupted
run #16: crashed: INFO: rcu detected stall in corrupted
run #17: crashed: INFO: rcu detected stall in corrupted
run #18: crashed: INFO: rcu detected stall in corrupted
run #19: crashed: INFO: rcu detected stall in rtnl_newlink
testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82
testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bf6b166670b60f9bee2d011ca6ab7992f7dd027ab6569ea6a43b653b64fdd44c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m17.700960353s (build: 17m27.524494194s, test: 8m18.29112808s)
the crash still happens on HEAD
commit msg: Linux 4.14.290
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1