ci starts bisection 2023-02-09 06:02:00.905064226 +0000 UTC m=+7146.878507290
bisecting fixing commit since 9b43a525db125799df81e6fbef712a2ae50bfc5d
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit 9b43a525db125799df81e6fbef712a2ae50bfc5d

testing commit 9b43a525db125799df81e6fbef712a2ae50bfc5d gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d46b9319a8ff8a7293a28758d64c2c59a18cc88b7bd4f001c37e720130a33cbe
run #0: crashed: KASAN: use-after-free Read in io_wq_put_and_exit
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: KASAN: use-after-free Read in io_wq_worker_running
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 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 corrupted
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: KASAN: use-after-free Read in io_wq_put_and_exit
run #16: crashed: KASAN: use-after-free Read in io_wq_put_and_exit
run #17: crashed: KASAN: use-after-free Read in io_wq_put_and_exit
run #18: crashed: KASAN: use-after-free Read in io_wqe_worker
run #19: crashed: KASAN: use-after-free Read in io_wq_put_and_exit
testing current HEAD 0983f6bf2bfc0789b51ddf7315f644ff4da50acb
testing commit 0983f6bf2bfc0789b51ddf7315f644ff4da50acb gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f7301d7006d928476237b1f5087c8cb406087fb8f1da4a728e1220fffab7625a
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: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
reproducer seems to be flaky
Reproducer flagged being flaky
revisions tested: 2, total time: 1h3m50.071319509s (build: 44m9.262648138s, test: 19m11.560218575s)
the crash still happens on HEAD
commit msg: Merge tag 'devicetree-fixes-for-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5520 } 2646 jiffies s: 2777 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):