bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 70c104a18f3d409bc6dde950b50258d3d280d99b
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9726ecc438d23121a28f440a654324085e2cc99b82c147183b0eb4de3efc191a
run #0: crashed: BUG: unable to handle kernel paging request in __alloc_skb
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: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet
run #8: crashed: INFO: rcu detected stall in rtnl_newlink
run #9: crashed: INFO: rcu detected stall in rtnl_newlink
run #10: crashed: INFO: rcu detected stall in rtnl_newlink
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: INFO: rcu detected stall in rtnl_newlink
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 rtnl_newlink
run #17: crashed: INFO: rcu detected stall in rtnl_newlink
run #18: crashed: INFO: rcu detected stall in rtnl_newlink
run #19: crashed: INFO: rcu detected stall in rtnl_newlink
testing current HEAD 2760370b164918bd9311e6bf445cf4c118d3463c
testing commit 2760370b164918bd9311e6bf445cf4c118d3463c
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7a29da4ef8e5acda98b04940e838e0ec6a1a1ea32d1dba4e12a5bd186bc96e55
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m35.402242531s (build: 22m38.317282334s, test: 8m15.193182644s)
the crash still happens on HEAD
commit msg: Linux 4.14.252
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