ci starts bisection 2023-01-27 03:24:58.846998258 +0000 UTC m=+375212.793060308
bisecting fixing commit since b229b6ca5abbd63ff40c1396095b1b36b18139c3
building syzkaller on edac4fd1041732ed5d430221343f99db42a99319
ensuring issue is reproducible on original commit b229b6ca5abbd63ff40c1396095b1b36b18139c3

testing commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 317c148cd246cc38c0cc3f3e85cd444b7d038ba35b6921272763d65d937edd81
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 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: INFO: task hung in f2fs_issue_checkpoint
run #16: crashed: INFO: task hung in f2fs_issue_checkpoint
run #17: crashed: INFO: task hung in f2fs_issue_checkpoint
run #18: crashed: INFO: task hung in f2fs_issue_checkpoint
run #19: crashed: INFO: task hung in f2fs_issue_checkpoint
testing current HEAD 5af6ce7049365952f7f023155234fe091693ead1
testing commit 5af6ce7049365952f7f023155234fe091693ead1 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7525bfd70bb77aaa82550ee0505febfb59d47514f7a85ecf4b3671b46be59bb8
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: task hung in f2fs_issue_checkpoint
run #6: crashed: INFO: task hung in f2fs_issue_checkpoint
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
revisions tested: 2, total time: 27m50.580900705s (build: 13m28.735641491s, test: 13m36.76864649s)
the crash still happens on HEAD
commit msg: Merge tag '6.2-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 P21403
 } 2686 jiffies s: 8733 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):