ci2 starts bisection 2023-05-01 15:41:17.729773125 +0000 UTC m=+259131.750144339
bisecting fixing commit since 3b29299e5f604550faf3eff811d6cd60b4c6cae6
building syzkaller on f325deb023e4e2fb9197004be1b3da738680429c
ensuring issue is reproducible on original commit 3b29299e5f604550faf3eff811d6cd60b4c6cae6

testing commit 3b29299e5f604550faf3eff811d6cd60b4c6cae6 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5a1556235c965e264d5ba9286fc561ffe3432f964e9652369ab0ac5c57784bf2
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: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor3254089980" "root@10.128.10.58:./syz-executor3254089980"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.58 port 22 timed out
lost connection

run #15: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor688525660" "root@10.128.10.63:./syz-executor688525660"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.63 port 22 timed out
lost connection

run #16: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor1990465334" "root@10.128.1.43:./syz-executor1990465334"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.43 port 22 timed out
lost connection

run #17: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor2475882336" "root@10.128.15.202:./syz-executor2475882336"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.15.202 port 22 timed out
lost connection

run #18: crashed: INFO: rcu detected stall in corrupted
run #19: crashed: INFO: rcu detected stall in corrupted
testing current HEAD ca48fc16c49388400eddd6c6614593ebf7c7726a
testing commit ca48fc16c49388400eddd6c6614593ebf7c7726a gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 60add35673ad926b8f6fd039359e65ee04981cf751ddc06790a86a469314c8e4
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: OK
revisions tested: 2, total time: 1h3m28.568306564s (build: 40m57.05645515s, test: 21m45.778089135s)
the crash still happens on HEAD
commit msg: Linux 6.1.27
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4838 } 2678 jiffies s: 19501 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):