bisecting fixing commit since 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
building syzkaller on 510951950dc0ee69cfdaf746061d3dbe31b49fd8
testing commit 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf with gcc (GCC) 8.1.0
kernel signature: 60fec8638c5eec2fa7ac7f4d906e2d1f00e8532edf0911b4fc7bdae4902084e8
run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc
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 7cf726a59435301046250c42131554d9ccc566b8
testing commit 7cf726a59435301046250c42131554d9ccc566b8 with gcc (GCC) 8.1.0
kernel signature: 6ead05d7867d97613edfcdfc05c855296c0e5bc3fe6c19151584fe36606bc7a8
run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #6: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: no output from test machine
revisions tested: 2, total time: 28m8.343408602s (build: 11m41.530188195s, test: 15m49.182770925s)
the crash still happens on HEAD
commit msg: Merge tag 'linux-kselftest-kunit-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
crash: no output from test machine