ci starts bisection 2024-05-22 11:52:42.879888972 +0000 UTC m=+106.515558680 bisecting cause commit starting from c75962170e49f24399141276ae119e6a879f36dc building syzkaller on a12e99e74dfc7cbe54720d8383cec46aaf024a28 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit c75962170e49f24399141276ae119e6a879f36dc testing commit c75962170e49f24399141276ae119e6a879f36dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b8667cb1be478d3b1615f581f7cd23ae0d422a9d5a80b176ea293e17a05c35d run #0: crashed: INFO: rcu detected stall in addrconf_rs_timer run #1: crashed: WARNING in __cfg80211_ibss_joined run #2: crashed: INFO: task hung in addrconf_dad_work run #3: crashed: INFO: task hung in addrconf_dad_work run #4: crashed: INFO: task hung in synchronize_rcu run #5: crashed: INFO: task hung in jbd2_journal_commit_transaction run #6: crashed: INFO: task hung in jbd2_journal_commit_transaction run #7: crashed: INFO: task hung in jbd2_journal_commit_transaction run #8: crashed: INFO: task hung in synchronize_rcu run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: task hung in __input_unregister_device run #11: crashed: INFO: task hung in jbd2_journal_commit_transaction run #12: crashed: INFO: rcu detected stall in worker_thread run #13: crashed: INFO: task hung in synchronize_rcu run #14: crashed: INFO: rcu detected stall in kthread run #15: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #16: crashed: INFO: task hung in corrupted run #17: crashed: INFO: task hung in wg_noise_handshake_consume_initiation run #18: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2570021101" "root@10.128.10.58:./syz-executor2570021101"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.58, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.58 [10.128.10.58] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2 Connection timed out during banner exchange Connection to 10.128.10.58 port 22 timed out scp: Connection closed run #19: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3661351302" "root@10.128.15.214:./syz-executor3661351302"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.214, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.214 [10.128.15.214] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2 Connection timed out during banner exchange Connection to 10.128.15.214 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in addrconf_rs_timer, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit c75962170e49f24399141276ae119e6a879f36dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 58f5d05f01abfce5b26c01422066c8555834d83bc85c4ea71134f79b8b301f3c run #0: crashed: INFO: rcu detected stall in addrconf_rs_timer 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: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3847046705" "root@10.128.1.227:./syz-executor3847046705"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.227, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.227 [10.128.1.227] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2 Connection timed out during banner exchange Connection to 10.128.1.227 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1614961215" "root@10.128.0.165:./syz-executor1614961215"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.165, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.165 [10.128.0.165] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2 Connection timed out during banner exchange Connection to 10.128.0.165 port 22 timed out scp: Connection closed run #9: OK representative crash: INFO: rcu detected stall in addrconf_rs_timer, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3976 full=8044 leaves diff=2025 split chunks (needed=false): <2025> split chunk #0 of len 2025 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit c75962170e49f24399141276ae119e6a879f36dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5362385930c771c3e8c1991b96af8614c6738e58a42d48e23e9190d16058d978 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 addrconf_rs_timer run #5: crashed: INFO: rcu detected stall in worker_thread run #6: crashed: INFO: rcu detected stall in addrconf_rs_timer run #7: crashed: INFO: task hung in corrupted run #8: crashed: INFO: task hung in tun_chr_close run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit c75962170e49f24399141276ae119e6a879f36dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75f286ce6c89e25fb58c61a76b91eaa36a3021d338d6f6c168d6d1b1159050d0 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed revisions tested: 4, total time: 14h13m50.951922382s (build: 7h36m0.399328826s, test: 39m43.051815577s) error: config minimization failed: bisection is taking too long (>12h0m0s), aborting