ci starts bisection 2023-03-27 07:35:34.80436231 +0000 UTC m=+189818.957073644
bisecting fixing commit since 200e340f2196d7fd427a5810d06e893b932f145a
building syzkaller on 1c9013acc70de325dbb554c8c40c17ed02eff33f
ensuring issue is reproducible on original commit 200e340f2196d7fd427a5810d06e893b932f145a

testing commit 200e340f2196d7fd427a5810d06e893b932f145a gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 49cbe1a83006bea090b7112ae7004f6d0c59051de837da3ace2a5ddad2835e06
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in dummy_timer
run #9: crashed: INFO: rcu detected stall in hub_event
run #10: crashed: INFO: rcu detected stall in newfstatat
run #11: OK
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: crashed: INFO: rcu detected stall in corrupted
run #18: OK
run #19: OK
testing current HEAD 197b6b60ae7bc51dd0814953c562833143b292aa
testing commit 197b6b60ae7bc51dd0814953c562833143b292aa gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 930728b96199dba4da5befefb9c551f83276b395b3d0353dd3501b21a4895c8b
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in khugepaged
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: OK
run #9: OK
revisions tested: 2, total time: 40m50.161542811s (build: 16m34.520612122s, test: 23m13.13542934s)
the crash still happens on HEAD
commit msg: Linux 6.3-rc4
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-.... } 2664 jiffies s: 50049 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):