bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 70c104a18f3d409bc6dde950b50258d3d280d99b
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4789ef89573d174b276da817bfb80b942f5606caab419fb4ac8fb6f4fedc22f2
run #0: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #1: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #2: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
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: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: rcu detected stall in rtnl_newlink
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: INFO: rcu detected stall in corrupted
run #14: crashed: INFO: rcu detected stall in corrupted
run #15: crashed: INFO: rcu detected stall in rtnl_newlink
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 rtnl_newlink
run #19: crashed: INFO: rcu detected stall in rtnl_newlink
testing current HEAD 162b95d01320370b80cb2d5724cea4ae538ac740
testing commit 162b95d01320370b80cb2d5724cea4ae538ac740
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 503614b997bf3c410718778604da0c955fba257c66b4809081cf8839662b2815
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m21.979753709s (build: 22m51.145499039s, test: 7m48.675427471s)
the crash still happens on HEAD
commit msg: Linux 4.14.244
crash: unregister_netdevice: waiting for DEV to become free
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