bisecting fixing commit since fb893de323e2d39f7a1f6df425703a2edbdf56ea
building syzkaller on bc15f7dbbc1c6e2042a7115b3fdacc0ada8c35e7
testing commit fb893de323e2d39f7a1f6df425703a2edbdf56ea with gcc (GCC) 8.1.0
kernel signature: 670a8d859fe1d3549c7cbed15d10252ca78502a62417bab44cd6f7c82234735b
run #0: crashed: INFO: rcu detected stall in do_idle
run #1: crashed: INFO: rcu detected stall in rtnl_newlink
run #2: crashed: INFO: rcu detected stall in rtnl_newlink
run #3: crashed: BUG: soft lockup in rtnl_newlink
run #4: crashed: INFO: rcu detected stall in do_idle
run #5: crashed: INFO: rcu detected stall in wb_workfn
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
testing current HEAD 9ff9b0d392ea08090cd1780fb196f36dbb586529
testing commit 9ff9b0d392ea08090cd1780fb196f36dbb586529 with gcc (GCC) 8.1.0
kernel signature: 46c3264ef9a00dba7f4234a486fdf9f64f6b311d74be86a9735378b81a1a5699
run #0: crashed: INFO: rcu detected stall in batadv_nc_worker
run #1: crashed: INFO: rcu detected stall in rtnl_newlink
run #2: crashed: INFO: rcu detected stall in wg_packet_tx_worker
run #3: crashed: INFO: rcu detected stall in rtnl_newlink
run #4: crashed: BUG: soft lockup in do_idle
run #5: crashed: INFO: rcu detected stall in do_idle
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 28m4.892554401s (build: 11m1.737751974s, test: 16m23.438680142s)
the crash still happens on HEAD
commit msg: Merge tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
crash: no output from test machine