ci starts bisection 2023-07-28 09:53:21.965678197 +0000 UTC m=+72642.019227877 bisecting fixing commit since ed4643521e6af8ab8ed1e467630a85884d2696cf building syzkaller on 89bc860804252dbacb8c2bea60b9204859f4afd7 ensuring issue is reproducible on original commit ed4643521e6af8ab8ed1e467630a85884d2696cf testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b59704063e66d0b01a61ec5a6506febc9ad9d079fda96984b490d5f3784a8f83 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #2: crashed: SYZFAIL: wrong response packet run #3: crashed: SYZFAIL: wrong response packet run #4: crashed: SYZFAIL: wrong response packet run #5: crashed: SYZFAIL: wrong response packet run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK run #20: OK run #21: OK representative crash: SYZFAIL: wrong response packet, types: [SYZ_FAILURE] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: acb56f94e2890d4407963399ff78df42f16f94f33f69cdbdad6258ff92da03f1 all runs: OK false negative chance: 0.095 kconfig minimization: base=3883 full=7246 leaves diff=1998 split chunks (needed=false): <1998> split chunk #0 of len 1998 into 5 parts testing without sub-chunk 1/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0cf03caf3e335afa6d673f1d8195ec95fd0f9187bd7f863e528bef0c56c276c run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in netdev_run_todo run #5: crashed: INFO: task hung in netdev_run_todo run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in crda_timeout_work run #9: crashed: INFO: task hung in crda_timeout_work run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: crashed: INFO: task hung in r871xu_dev_remove run #17: crashed: INFO: task hung in r871xu_dev_remove run #18: crashed: INFO: task hung in r871xu_dev_remove run #19: crashed: INFO: task hung in r871xu_dev_remove run #20: crashed: INFO: task hung in r871xu_dev_remove run #21: crashed: INFO: task hung in r871xu_dev_remove run #22: crashed: INFO: task hung in r871xu_dev_remove run #23: crashed: INFO: task hung in r871xu_dev_remove run #24: crashed: INFO: task hung in r871xu_dev_remove run #25: crashed: INFO: task hung in r871xu_dev_remove run #26: crashed: INFO: task hung in r871xu_dev_remove run #27: crashed: INFO: task hung in r871xu_dev_remove run #28: crashed: INFO: task hung in r871xu_dev_remove run #29: crashed: INFO: task hung in r871xu_dev_remove run #30: crashed: INFO: task hung in netdev_run_todo run #31: crashed: INFO: task hung in netdev_run_todo run #32: 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" "-v" "/tmp/syz-executor2902292481" "root@10.128.1.147:./syz-executor2902292481"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.147, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.147 [10.128.1.147] 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 Connection timed out during banner exchange Connection to 10.128.1.147 port 22 timed out scp: Connection closed run #33: 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" "-v" "/tmp/syz-executor2875507351" "root@10.128.15.237:./syz-executor2875507351"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.237, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.237 [10.128.15.237] 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 Connection timed out during banner exchange Connection to 10.128.15.237 port 22 timed out scp: Connection closed run #34: 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" "-v" "/tmp/syz-executor324005785" "root@10.128.15.242:./syz-executor324005785"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.242, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.242 [10.128.15.242] 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 Connection timed out during banner exchange Connection to 10.128.15.242 port 22 timed out scp: Connection closed run #35: OK representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ce33290aa92cb368cc28c5ef9f7014c2a1ae631bf5b056a5e2684082553c18c run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in netdev_run_todo run #5: crashed: INFO: task hung in netdev_run_todo run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: crashed: INFO: task hung in r871xu_dev_remove run #17: crashed: INFO: task hung in r871xu_dev_remove run #18: crashed: INFO: task hung in netdev_run_todo run #19: crashed: INFO: task hung in netdev_run_todo run #20: crashed: INFO: task hung in r871xu_dev_remove run #21: crashed: INFO: task hung in r871xu_dev_remove run #22: 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" "-v" "/tmp/syz-executor1833927071" "root@10.128.0.65:./syz-executor1833927071"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.65, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.65 [10.128.0.65] 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 Connection timed out during banner exchange Connection to 10.128.0.65 port 22 timed out scp: Connection closed run #23: 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" "-v" "/tmp/syz-executor333421038" "root@10.128.0.102:./syz-executor333421038"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.102, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.102 [10.128.0.102] 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 Connection timed out during banner exchange Connection to 10.128.0.102 port 22 timed out scp: Connection closed run #24: crashed: INFO: task hung in r871xu_dev_remove run #25: crashed: INFO: task hung in r871xu_dev_remove run #26: 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" "-v" "/tmp/syz-executor2310172721" "root@10.128.0.99:./syz-executor2310172721"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.99, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.99 [10.128.0.99] 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 Connection timed out during banner exchange Connection to 10.128.0.99 port 22 timed out scp: Connection closed run #27: 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" "-v" "/tmp/syz-executor39254716" "root@10.128.15.209:./syz-executor39254716"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.209, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.209 [10.128.15.209] 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 Connection timed out during banner exchange Connection to 10.128.15.209 port 22 timed out scp: Connection closed run #28: 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" "-v" "/tmp/syz-executor3415787517" "root@10.128.15.210:./syz-executor3415787517"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.210, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.210 [10.128.15.210] 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 Connection timed out during banner exchange Connection to 10.128.15.210 port 22 timed out scp: Connection closed run #29: 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" "-v" "/tmp/syz-executor2766899253" "root@10.128.15.213:./syz-executor2766899253"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.213, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.213 [10.128.15.213] 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 Connection timed out during banner exchange Connection to 10.128.15.213 port 22 timed out scp: Connection closed run #30: OK run #31: OK representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a8ed24cac53b9c7134a8f443a0e17335ef5b09e3b4a0220bd41c8f9e5bc2437 run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in r871xu_dev_remove run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: crashed: INFO: task hung in netdev_run_todo run #17: crashed: INFO: task hung in netdev_run_todo run #18: crashed: INFO: task hung in r871xu_dev_remove run #19: crashed: INFO: task hung in r871xu_dev_remove run #20: crashed: INFO: task hung in netdev_run_todo run #21: crashed: INFO: task hung in netdev_run_todo run #22: crashed: INFO: task hung in r871xu_dev_remove run #23: crashed: INFO: task hung in r871xu_dev_remove run #24: crashed: INFO: task hung in r871xu_dev_remove run #25: crashed: INFO: task hung in r871xu_dev_remove run #26: crashed: INFO: task hung in r871xu_dev_remove run #27: crashed: INFO: task hung in r871xu_dev_remove run #28: crashed: INFO: task hung in r871xu_dev_remove run #29: crashed: INFO: task hung in r871xu_dev_remove run #30: crashed: INFO: task hung in r871xu_dev_remove run #31: crashed: INFO: task hung in r871xu_dev_remove run #32: 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" "-v" "/tmp/syz-executor1993420731" "root@10.128.15.204:./syz-executor1993420731"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.204, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.204 [10.128.15.204] 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 Connection timed out during banner exchange Connection to 10.128.15.204 port 22 timed out scp: Connection closed run #33: 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" "-v" "/tmp/syz-executor1566359248" "root@10.128.15.214:./syz-executor1566359248"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.214, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 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 Connection timed out during banner exchange Connection to 10.128.15.214 port 22 timed out scp: Connection closed run #34: 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" "-v" "/tmp/syz-executor2244276158" "root@10.128.15.215:./syz-executor2244276158"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.215, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.215 [10.128.15.215] 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 Connection timed out during banner exchange Connection to 10.128.15.215 port 22 timed out scp: Connection closed run #35: OK representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f40bcb1778c2100a6a431cccd63da27d22d80b897a65464360d7efef11dea020 all runs: OK false negative chance: 0.095 testing without sub-chunk 5/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0ca5e276bd705b545e8db5add11f3bfd2d727c9e92134290e9559c65237807b5 all runs: OK false negative chance: 0.095 minimized to 798 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_RANDOM ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CC_HAS_UBSAN_BOUNDS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBCRC32C LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCI_MSI_IRQ_DOMAIN PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PMC_ATOM PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RANDOM_TRUST_BOOTLOADER RANDOM_TRUST_CPU RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS_COMMON SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SRCU SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TAP TARGET_CORE TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UBSAN_ONLY_BOUNDS UCSI_ACPI UDF_FS UDMABUF UFS_FS UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STKWEBCAM USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_REALTEK USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USB_ZR364XX USELIB USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_TO_BUS VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK X86_FEATURE_NAMES X86_SGX X86_SMAP X86_X32 XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_ASSERT_FATAL XFS_DEBUG XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] testing current HEAD 57012c57536f8814dec92e74197ee96c3498d24e testing commit 57012c57536f8814dec92e74197ee96c3498d24e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bdc3990f2e958ee8c9f12aff33c72908fc9240dfc10fa6b0676eb7c024c8da88 run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in r871xu_dev_remove run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: crashed: INFO: task hung in r871xu_dev_remove run #17: crashed: INFO: task hung in r871xu_dev_remove run #18: crashed: INFO: task hung in r871xu_dev_remove run #19: crashed: INFO: task hung in r871xu_dev_remove run #20: crashed: INFO: task hung in r871xu_dev_remove run #21: crashed: INFO: task hung in r871xu_dev_remove run #22: crashed: INFO: task hung in addrconf_verify_work run #23: crashed: INFO: task hung in addrconf_verify_work run #24: crashed: INFO: task hung in r871xu_dev_remove run #25: crashed: INFO: task hung in r871xu_dev_remove run #26: crashed: INFO: task hung in r871xu_dev_remove run #27: crashed: INFO: task hung in r871xu_dev_remove run #28: crashed: INFO: task hung in r871xu_dev_remove run #29: crashed: INFO: task hung in r871xu_dev_remove run #30: crashed: INFO: task hung in r871xu_dev_remove run #31: crashed: INFO: task hung in r871xu_dev_remove run #32: crashed: INFO: task hung in r871xu_dev_remove run #33: crashed: INFO: task hung in r871xu_dev_remove run #34: crashed: INFO: task hung in r871xu_dev_remove run #35: crashed: INFO: task hung in r871xu_dev_remove run #36: crashed: INFO: task hung in r871xu_dev_remove run #37: crashed: INFO: task hung in r871xu_dev_remove run #38: crashed: INFO: task hung in r871xu_dev_remove run #39: crashed: INFO: task hung in r871xu_dev_remove representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.94 repro chance estimate) revisions tested: 8, total time: 2h15m16.20673809s (build: 41m32.553974124s, test: 1h29m43.017326296s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'net-6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net crash: INFO: task hung in r871xu_dev_remove INFO: task kworker/1:0:22 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:24624 pid:22 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xe6b/0x5870 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 unregister_netdev+0xd/0x20 net/core/dev.c:10923 r871xu_dev_remove+0x22c/0x400 drivers/staging/rtl8712/usb_intf.c:597 usb_unbind_interface+0x17d/0x7b0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x370/0x530 drivers/base/dd.c:1293 bus_remove_device+0x1ed/0x3e0 drivers/base/bus.c:574 device_del+0x340/0x920 drivers/base/core.c:3814 usb_disable_device+0x2a8/0x700 drivers/usb/core/message.c:1420 usb_disconnect+0x272/0x880 drivers/usb/core/hub.c:2253 hub_port_connect drivers/usb/core/hub.c:5261 [inline] hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] port_event drivers/usb/core/hub.c:5726 [inline] hub_event+0x1894/0x4670 drivers/usb/core/hub.c:5808 process_one_work+0x971/0x1520 kernel/workqueue.c:2597 process_scheduled_works kernel/workqueue.c:2664 [inline] worker_thread+0x7c6/0x12d0 kernel/workqueue.c:2750 kthread+0x2e6/0x3c0 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task kworker/1:4:4232 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:25344 pid:4232 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xe6b/0x5870 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 unregister_netdev+0xd/0x20 net/core/dev.c:10923 r871xu_dev_remove+0x22c/0x400 drivers/staging/rtl8712/usb_intf.c:597 usb_unbind_interface+0x17d/0x7b0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x370/0x530 drivers/base/dd.c:1293 bus_remove_device+0x1ed/0x3e0 drivers/base/bus.c:574 device_del+0x340/0x920 drivers/base/core.c:3814 usb_disable_device+0x2a8/0x700 drivers/usb/core/message.c:1420 usb_disconnect+0x272/0x880 drivers/usb/core/hub.c:2253 hub_port_connect drivers/usb/core/hub.c:5261 [inline] hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] port_event drivers/usb/core/hub.c:5726 [inline] hub_event+0x1894/0x4670 drivers/usb/core/hub.c:5808 process_one_work+0x971/0x1520 kernel/workqueue.c:2597 process_scheduled_works kernel/workqueue.c:2664 [inline] worker_thread+0x7c6/0x12d0 kernel/workqueue.c:2750 kthread+0x2e6/0x3c0 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 3 locks held by kworker/0:0/7: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc900000c7d98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 3 locks held by kworker/0:1/9: #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc900000e7d98 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xd/0x20 net/ipv6/addrconf.c:4635 1 lock held by rcu_tasks_kthre/13: #0: ffffffff878ab8b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffffffff878ab5b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522 6 locks held by kworker/1:0/22: #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc900001c7d98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffff888016d77190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff888016d77190 (&dev->mutex){....}-{3:3}, at: hub_event+0x12d/0x4670 drivers/usb/core/hub.c:5754 #3: ffff8880794eb190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff8880794eb190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2244 #4: ffff88807a605160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff88807a605160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff88807a605160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1290 #5: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0xd/0x20 net/core/dev.c:10923 1 lock held by khungtaskd/27: #0: ffffffff878ac4c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615 3 locks held by kworker/1:1/32: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc90000a8fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 5 locks held by kworker/1:2/380: #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000295fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffff888016fc5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff888016fc5190 (&dev->mutex){....}-{3:3}, at: hub_event+0x12d/0x4670 drivers/usb/core/hub.c:5754 #3: ffff88807edc6190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff88807edc6190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2244 #4: ffff88807b0d7160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff88807b0d7160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff88807b0d7160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1290 5 locks held by kworker/0:2/984: #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000342fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffff88823bc3e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff88823bc3e190 (&dev->mutex){....}-{3:3}, at: hub_event+0x12d/0x4670 drivers/usb/core/hub.c:5754 #3: ffff888010f10190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff888010f10190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2244 #4: ffff88800b9d6160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff88800b9d6160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff88800b9d6160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1290 5 locks held by kworker/1:3/2608: #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000b727d98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffff888016f35190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff888016f35190 (&dev->mutex){....}-{3:3}, at: hub_event+0x12d/0x4670 drivers/usb/core/hub.c:5754 #3: ffff88807e324190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff88807e324190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2244 #4: ffff8880113e3160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff8880113e3160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff8880113e3160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1290 2 locks held by dhcpcd/2861: #0: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x19e/0x1850 net/ipv4/devinet.c:1074 #1: ffff88807ac94db0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x34/0x730 drivers/staging/rtl8712/os_intfs.c:391 2 locks held by getty/2890: #0: ffff88800da7d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900023162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xc6c/0x1310 drivers/tty/n_tty.c:2187 3 locks held by kworker/0:3/2962: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000274fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 5 locks held by udevd/4214: #0: ffff888079c6fc48 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x61/0x80 fs/file.c:1046 #1: ffff888076020b08 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #2: ffff88806b52a888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #3: ffff888010e980f0 (kn->active#33){.+.+}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #4: ffff88807cdcf190 (&dev->mutex){....}-{3:3}, at: dev_get_drvdata include/linux/device.h:884 [inline] #4: ffff88807cdcf190 (&dev->mutex){....}-{3:3}, at: serial_show+0x1f/0x80 drivers/nvme/host/sysfs.c:181 5 locks held by udevd/4215: #0: ffff88807b3860c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x61/0x80 fs/file.c:1046 #1: ffff888072dfa668 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #2: ffff88806ced7488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #3: ffff88801db08578 (kn->active#30){.+.+}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #4: ffff88807cca4190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline] #4: ffff88807cca4190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 6 locks held by kworker/1:4/4232: #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc900034efd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffff888016d73190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff888016d73190 (&dev->mutex){....}-{3:3}, at: hub_event+0x12d/0x4670 drivers/usb/core/hub.c:5754 #3: ffff88807cca4190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff88807cca4190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2244 #4: ffff8880790af160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff8880790af160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff8880790af160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1290 #5: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0xd/0x20 net/core/dev.c:10923 5 locks held by kworker/1:5/4238: #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff888142a73138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000351fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffff888014b92190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff888014b92190 (&dev->mutex){....}-{3:3}, at: hub_event+0x12d/0x4670 drivers/usb/core/hub.c:5754 #3: ffff88807cdcf190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff88807cdcf190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2244 #4: ffff88800c2e8160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff88800c2e8160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff88800c2e8160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1290 3 locks held by kworker/1:6/4241: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000354fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 3 locks held by kworker/1:7/4242: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000355fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 5 locks held by udevd/4243: #0: ffff888079c620c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x61/0x80 fs/file.c:1046 #1: ffff88800cad40a0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #2: ffff88801efa3488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #3: ffff88800cbd4da0 (kn->active#30){.+.+}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #4: ffff88807edc6190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline] #4: ffff88807edc6190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 5 locks held by udevd/4248: #0: ffff88807f8299c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x61/0x80 fs/file.c:1046 #1: ffff88807a71a540 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #2: ffff88800cfd4088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #3: ffff88807a0960f0 (kn->active#30){.+.+}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #4: ffff88807e324190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline] #4: ffff88807e324190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 5 locks held by udevd/4251: #0: ffff88807b386fc8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x61/0x80 fs/file.c:1046 #1: ffff888072dfa1c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #2: ffff88806ced6488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #3: ffff888074574918 (kn->active#30){.+.+}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #4: ffff8880794eb190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline] #4: ffff8880794eb190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 3 locks held by kworker/1:8/4281: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000368fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 3 locks held by kworker/1:9/4282: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000369fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 3 locks held by kworker/1:10/4283: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc900036afd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10177 3 locks held by kworker/1:11/4286: #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88800b871d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000376fd98 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x73/0xf70 net/wireless/reg.c:2462 3 locks held by kworker/1:12/4287: #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88801c032938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x85f/0x1520 kernel/workqueue.c:2567 #1: ffffc9000377fd98 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x88c/0x1520 kernel/workqueue.c:2571 #2: ffffffff888a7968 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xd/0x20 net/ipv6/addrconf.c:4635 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.5.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x5c/0xb0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x167/0x210 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x1d4/0x210 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xa22/0xca0 kernel/hung_task.c:379 kthread+0x2e6/0x3c0 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3081 Comm: syz-executor.4 Not tainted 6.5.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:__switch_to_asm+0x39/0x60 arch/x86/entry/entry_64.S:265 Code: 89 a7 18 18 00 00 48 8b a6 18 18 00 00 48 8b 9e a0 05 00 00 65 48 89 1c 25 28 00 00 00 49 c7 c4 10 00 00 00 e8 01 00 00 00 cc 01 00 00 00 cc 48 83 c4 10 49 ff cc 75 eb 0f ae e8 41 5f 41 5e RSP: 0018:ffffc9000278fa88 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 2179643ac076e800 RCX: ffffc900027cfa50 RDX: 1ffff110174c773a RSI: ffff88807a888000 RDI: ffff8880799d9d80 RBP: ffffc900027cfc60 R08: 0000000000000000 R09: fffffbfff1189302 R10: ffffffff88c49817 R11: 0000000000000000 R12: 0000000000000010 R13: ffff8880768ce5c0 R14: ffff88807a888520 R15: ffff8880ba63b9c0 FS: 000055555670c480(0000) GS:ffff8880ba600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f84b3355070 CR3: 0000000016d15000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: