ci starts bisection 2023-10-12 21:30:25.244373262 +0000 UTC m=+22705.653166628 bisecting fixing commit since 9d23aac8a85f69239e585c8656c6fdb21be65695 building syzkaller on 55eda22f279fa612410e057a6598f6e715aaf6d0 ensuring issue is reproducible on original commit 9d23aac8a85f69239e585c8656c6fdb21be65695 testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1fd33c27eb4aed1afce03cd5e5f647a7257ebc8864fa6184c02102fe26ab967a 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 tc_modify_qdisc run #3: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in batadv_nc_worker run #6: crashed: INFO: rcu detected stall in wg_ratelimiter_gc_entries run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: task hung in linkwatch_event run #12: crashed: INFO: rcu detected stall in wg_ratelimiter_gc_entries run #13: crashed: INFO: rcu detected stall in process_one_work run #14: crashed: INFO: task hung in corrupted run #15: crashed: INFO: task hung in corrupted run #16: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #17: crashed: no output from test machine 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" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2796810557" "root@10.128.1.156:./syz-executor2796810557"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.156, 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 10.128.1.156 [10.128.1.156] 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 10.128.1.156 port 22 timed out scp: Connection closed run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0533265e9a5702f3263e11f42894d4d31afa52aec33d9eb0540a38e5b2fa82a8 run #0: crashed: INFO: rcu detected stall in do_vmi_munmap run #1: crashed: INFO: rcu detected stall in corrupted run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: crashed: INFO: rcu detected stall in smp_call_function run #9: OK representative crash: INFO: rcu detected stall in do_vmi_munmap, types: [HANG] kconfig minimization: base=3883 full=7652 leaves diff=2000 split chunks (needed=false): <2000> split chunk #0 of len 2000 into 5 parts testing without sub-chunk 1/5 testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bf9e6dc6321e9903ae809b1c732e71c9d5f80649651f821bab4eec6505281169 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 nsim_dev_trap_report_work run #3: crashed: INFO: rcu detected stall in sys_exit_group run #4: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #5: crashed: INFO: rcu detected stall in do_vmi_munmap run #6: crashed: INFO: rcu detected stall in sys_exit_group 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 nsim_dev_trap_report_work run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in process_one_work run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in sys_openat run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in kernfs_fop_release run #16: crashed: INFO: rcu detected stall in smp_call_function run #17: crashed: INFO: task hung in crda_timeout_work run #18: crashed: INFO: task hung in corrupted run #19: crashed: no output from test machine representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: faa0ab6cfe40bfd59e87b5d79abf113f16aabd990cf51838407b72b24c478ccc run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in sys_mprotect run #2: crashed: INFO: rcu detected stall in do_vmi_munmap run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in smp_call_function run #7: crashed: INFO: rcu detected stall in process_one_work 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 smp_call_function run #12: crashed: INFO: rcu detected stall in sys_clock_nanosleep run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #15: crashed: INFO: rcu detected stall in sys_nanosleep run #16: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work 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" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2285096668" "root@10.128.10.44:./syz-executor2285096668"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.44, 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 10.128.10.44 [10.128.10.44] 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 10.128.10.44 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 07489abedc731e4c45b16eb554239bde02caf44bdda344f898bfb04d2cad1283 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 824ca1b84dd3d6907d7aa4a51ea136819399989519f98b2e2595e470a1a0890e 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 do_vmi_munmap run #3: crashed: INFO: rcu detected stall in mas_preallocate run #4: crashed: INFO: rcu detected stall in sys_exit_group run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #7: crashed: INFO: rcu detected stall in clone run #8: crashed: INFO: rcu detected stall in wb_workfn run #9: crashed: INFO: rcu detected stall in mas_store_prealloc run #10: crashed: INFO: rcu detected stall in bpf_prog_free_deferred run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #16: crashed: INFO: rcu detected stall in sys_symlinkat run #17: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 testing commit 9d23aac8a85f69239e585c8656c6fdb21be65695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 765b8659ed6919a753e0d4e1cc4229b69d5cbff2c583903e438a958c5d087013 run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc run #1: crashed: INFO: rcu detected stall in smp_call_function run #2: crashed: INFO: rcu detected stall in sys_mkdirat run #3: crashed: INFO: rcu detected stall in newfstatat run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in sys_clock_nanosleep run #6: crashed: INFO: rcu detected stall in kernfs_fop_open run #7: crashed: INFO: rcu detected stall in sys_socket run #8: crashed: INFO: rcu detected stall in smp_call_function run #9: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #10: 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-executor3999756499" "root@10.128.0.232:./syz-executor3999756499"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.232, 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 10.128.0.232 [10.128.0.232] port 22. debug1: connect to address 10.128.0.232 port 22: Connection timed out ssh: connect to host 10.128.0.232 port 22: Connection timed out scp: Connection closed run #11: 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-executor3580512247" "root@10.128.0.241:./syz-executor3580512247"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.241, 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 10.128.0.241 [10.128.0.241] 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 10.128.0.241 port 22 timed out scp: Connection closed run #12: 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-executor4165780614" "root@10.128.10.40:./syz-executor4165780614"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.40, 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 10.128.10.40 [10.128.10.40] port 22. debug1: connect to address 10.128.10.40 port 22: Connection timed out ssh: connect to host 10.128.10.40 port 22: Connection timed out scp: Connection closed run #13: 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-executor410196816" "root@10.128.10.50:./syz-executor410196816"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.50, 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 10.128.10.50 [10.128.10.50] 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 10.128.10.50 port 22 timed out scp: Connection closed 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" "-v" "/tmp/syz-executor3228594039" "root@10.128.10.54:./syz-executor3228594039"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.54, 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 10.128.10.54 [10.128.10.54] 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 10.128.10.54 port 22 timed out scp: Connection closed run #15: OK run #16: OK run #17: OK run #18: OK run #19: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["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-executor1476366740" "root@10.128.0.252:./syz-executor1476366740"] Executing: program /usr/bin/ssh host 10.128.0.252, 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 10.128.0.252 [10.128.0.252] 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 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.1 debug1: compat_banner: match: OpenSSH_9.1 pat OpenSSH* compat 0x04000000 debug1: Authenticating to 10.128.0.252:22 as 'root' debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: sntrup761x25519-sha512@openssh.com debug1: kex: host key algorithm: ssh-ed25519 debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: SSH2_MSG_KEX_ECDH_REPLY received debug1: Server host key: ssh-ed25519 SHA256:88IuL3orPAmVsyjIy2DvkKzVRHqGoDXxazNYOfOHasg debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. debug1: rekey out after 134217728 blocks debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: rekey in after 134217728 blocks debug1: Will attempt key: /root/.ssh/id_rsa debug1: Will attempt key: /root/.ssh/id_ecdsa debug1: Will attempt key: /root/.ssh/id_ecdsa_sk debug1: Will attempt key: /root/.ssh/id_ed25519 debug1: Will attempt key: /root/.ssh/id_ed25519_sk debug1: Will attempt key: /root/.ssh/id_xmss debug1: Will attempt key: /root/.ssh/id_dsa debug1: SSH2_MSG_EXT_INFO received debug1: kex_input_ext_info: server-sig-algs= debug1: kex_input_ext_info: publickey-hostbound@openssh.com=<0> debug1: SSH2_MSG_SERVICE_ACCEPT received Authenticated to 10.128.0.252 ([10.128.0.252]:22) using "none". debug1: channel 0: new session [client-session] (inactive timeout: 0) debug1: Requesting no-more-sessions@openssh.com debug1: Entering interactive session. debug1: pledge: network debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0 debug1: Sending subsystem: sftp debug1: pledge: fork scp: debug1: stat remote: No such file or directory representative crash: INFO: rcu detected stall in tc_modify_qdisc, types: [HANG] the chunk can be dropped minimized to 400 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOCALVERSION_AUTO LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LRU_GEN LRU_GEN_ENABLED LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_IPT NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI] testing current HEAD b91e8403373cab79375a65f5cf3495e2cd0bbdfa testing commit b91e8403373cab79375a65f5cf3495e2cd0bbdfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8ad23a84b72bf3b023276e6d35ecb57236bda9c146b65255eadb726266d794f3 all runs: OK false negative chance: 0.000 # git bisect start b91e8403373cab79375a65f5cf3495e2cd0bbdfa 9d23aac8a85f69239e585c8656c6fdb21be65695 Bisecting: 7943 revisions left to test after this (roughly 13 steps) [461f35f014466c4e26dca6be0f431f57297df3f2] Merge tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 9d23aac8a85f69239e585c8656c6fdb21be65695 crashed and is reachable testing commit 461f35f014466c4e26dca6be0f431f57297df3f2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87bb4a4e889debb4ba05eb6196ad7c76fec090d88339649175221df545019b28 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in sys_rename run #4: crashed: INFO: rcu detected stall in addrconf_dad_work run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in smp_call_function run #7: crashed: INFO: rcu detected stall in smp_call_function run #8: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #9: crashed: INFO: rcu detected stall in sys_getsockopt run #10: crashed: INFO: rcu detected stall in defense_work_handler run #11: crashed: INFO: rcu detected stall in unwind_next_frame run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in kernfs_iop_get_link run #14: crashed: BUG: workqueue lockup run #15: crashed: BUG: workqueue lockup run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: task hung in synchronize_rcu run #18: crashed: INFO: task hung in ret_from_fork run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 461f35f014466c4e26dca6be0f431f57297df3f2 Bisecting: 4115 revisions left to test after this (roughly 12 steps) [b84acc11b1c9552c9ca3a099b1610a6018619332] Merge tag 'fbdev-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev determine whether the revision contains the guilty commit revision 9d23aac8a85f69239e585c8656c6fdb21be65695 crashed and is reachable testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 30cabf12e45a5af22eacb4dd082c8cee46a3bfae34cb9f899aa2e138864e2146 run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0017e6be0 0xc0017e6cd0 0xc0017e6d70] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000035590 0xc000035680 0xc000035720] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: crashed: no output from test machine run #18: crashed: no output from test machine run #19: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good b84acc11b1c9552c9ca3a099b1610a6018619332 Bisecting: 2173 revisions left to test after this (roughly 11 steps) [017c73a34a661a861712f7cc1393a123e5b2208c] ubi: Refuse attaching if mtd's erasesize is 0 determine whether the revision contains the guilty commit revision 9d23aac8a85f69239e585c8656c6fdb21be65695 crashed and is reachable testing commit 017c73a34a661a861712f7cc1393a123e5b2208c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba0ad2c05ddbe543ceff877ba777b7db3f07e355b8be45023e5bee49e2e7d50e all runs: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good 017c73a34a661a861712f7cc1393a123e5b2208c Bisecting: 1087 revisions left to test after this (roughly 10 steps) [23f108dc9ed26100b1489f6a9e99088d4064f56b] Merge tag 'tpmdd-v6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd determine whether the revision contains the guilty commit revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable testing commit 23f108dc9ed26100b1489f6a9e99088d4064f56b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d7b433eb81ca28800a876bef887caab502f3fd8c0eb1ca163f319d1b1a8f96dd all runs: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good 23f108dc9ed26100b1489f6a9e99088d4064f56b Bisecting: 543 revisions left to test after this (roughly 9 steps) [2e3d39118460730ec007cc8a492e5add1c2a3cb9] Merge tag 's390-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux determine whether the revision contains the guilty commit revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable testing commit 2e3d39118460730ec007cc8a492e5add1c2a3cb9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55bbbd1b3e672b909cf5d6c3b58c901badd3714d7d74bf647ec080743a4ce863 all runs: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good 2e3d39118460730ec007cc8a492e5add1c2a3cb9 Bisecting: 258 revisions left to test after this (roughly 8 steps) [e402b08634b398e9feb94902c7adcf05bb8ba47d] Merge tag 'soc-fixes-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision b84acc11b1c9552c9ca3a099b1610a6018619332 crashed and is reachable testing commit e402b08634b398e9feb94902c7adcf05bb8ba47d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f70d8189ac30dd1260a73a121c0c9818e153c7ad9aa86a96aef59fe69c27c68 all runs: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good e402b08634b398e9feb94902c7adcf05bb8ba47d Bisecting: 152 revisions left to test after this (roughly 7 steps) [c29d984580212f8a5e75b65c99a745f29511f83a] Merge branch 'mptcp-fixes-and-maintainer-email-update-for-v6-6' determine whether the revision contains the guilty commit revision 23f108dc9ed26100b1489f6a9e99088d4064f56b crashed and is reachable testing commit c29d984580212f8a5e75b65c99a745f29511f83a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d8aef8a5ecf67c1325bdcc6a6108ad179bbc6ef2a918b15437fbbc4e9cc5cf5 all runs: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good c29d984580212f8a5e75b65c99a745f29511f83a Bisecting: 77 revisions left to test after this (roughly 6 steps) [3006adf3be79cde4d14b1800b963b82b6e5572e0] Merge tag 'rtla-v6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux determine whether the revision contains the guilty commit revision 23f108dc9ed26100b1489f6a9e99088d4064f56b crashed and is reachable testing commit 3006adf3be79cde4d14b1800b963b82b6e5572e0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89da05641b3fa74696579ab30c2f32ec75dad700099b70737d299efe4106fef2 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: OK run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: crashed: no output from test machine run #18: crashed: no output from test machine run #19: crashed: no output from test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect good 3006adf3be79cde4d14b1800b963b82b6e5572e0 Bisecting: 38 revisions left to test after this (roughly 5 steps) [da6192ca72d5ad913d109d43dc896290ad05d98f] net/mlx5e: Again mutually exclude RX-FCS and RX-port-timestamp determine whether the revision contains the guilty commit revision 9d23aac8a85f69239e585c8656c6fdb21be65695 crashed and is reachable testing commit da6192ca72d5ad913d109d43dc896290ad05d98f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d50efa3569407ecd202c481cbdb53d170176edaebc2fcafac969c2de515001c5 all runs: OK false negative chance: 0.000 # git bisect bad da6192ca72d5ad913d109d43dc896290ad05d98f Bisecting: 19 revisions left to test after this (roughly 4 steps) [109c2de9ab36c7006d0cd36d2df7f8894356e17c] Merge branch 'lynx-28g-fixes' determine whether the revision contains the guilty commit revision 017c73a34a661a861712f7cc1393a123e5b2208c crashed and is reachable testing commit 109c2de9ab36c7006d0cd36d2df7f8894356e17c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26758473f062c49bec677a0e445fd35e90b3161242d8d17c70aa2577f96c11a0 all runs: OK false negative chance: 0.000 # git bisect bad 109c2de9ab36c7006d0cd36d2df7f8894356e17c Bisecting: 9 revisions left to test after this (roughly 3 steps) [bc622f16c18dd5ef72a8b598b1d9e77bbe0c11d3] Merge tag 'mfd-fixes-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd determine whether the revision contains the guilty commit revision e402b08634b398e9feb94902c7adcf05bb8ba47d crashed and is reachable testing commit bc622f16c18dd5ef72a8b598b1d9e77bbe0c11d3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 96f56fe6d425f5751b25a0da049da7b56943279a09e037cb266c79162d307567 all runs: OK false negative chance: 0.000 # git bisect bad bc622f16c18dd5ef72a8b598b1d9e77bbe0c11d3 Bisecting: 4 revisions left to test after this (roughly 2 steps) [a535116d80339dbfe50b9b81b2f808c69eefbbc3] ovl: make use of ->layers safe in rcu pathwalk determine whether the revision contains the guilty commit revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable testing commit a535116d80339dbfe50b9b81b2f808c69eefbbc3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0254370f6f53a01ea9c0e565db200527d5432370404a64aa7fa986d6e48d6d5 all runs: OK false negative chance: 0.000 # git bisect bad a535116d80339dbfe50b9b81b2f808c69eefbbc3 Bisecting: 1 revision left to test after this (roughly 1 step) [d9e8319a6e3538b430f692b5625a76ffa0758adc] ovl: move freeing ovl_entry past rcu delay determine whether the revision contains the guilty commit revision 23f108dc9ed26100b1489f6a9e99088d4064f56b crashed and is reachable testing commit d9e8319a6e3538b430f692b5625a76ffa0758adc gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 292a1dea1d0abe6cdda2b00d615418b7562cb33857b9872a296c02a737724f2d all runs: OK false negative chance: 0.000 # git bisect bad d9e8319a6e3538b430f692b5625a76ffa0758adc Bisecting: 0 revisions left to test after this (roughly 0 steps) [8542f1712074f070ae90b64e6082d10d8e912e32] ovl: fix file reference leak when submitting aio determine whether the revision contains the guilty commit revision 23f108dc9ed26100b1489f6a9e99088d4064f56b crashed and is reachable testing commit 8542f1712074f070ae90b64e6082d10d8e912e32 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 45e764f4f52c1b04ab2c5cd56fdf2c85d074cb56b29a522a99d9591e9557eb85 all runs: OK false negative chance: 0.000 # git bisect bad 8542f1712074f070ae90b64e6082d10d8e912e32 8542f1712074f070ae90b64e6082d10d8e912e32 is the first bad commit commit 8542f1712074f070ae90b64e6082d10d8e912e32 Author: Amir Goldstein Date: Mon Oct 2 13:04:45 2023 +0300 ovl: fix file reference leak when submitting aio Commit 724768a39374 ("ovl: fix incorrect fdput() on aio completion") took a refcount on real file before submitting aio, but forgot to avoid clearing FDPUT_FPUT from real.flags stack variable. This can result in a file reference leak. Fixes: 724768a39374 ("ovl: fix incorrect fdput() on aio completion") Reported-by: Gil Lev Signed-off-by: Amir Goldstein fs/overlayfs/file.c | 2 -- 1 file changed, 2 deletions(-) accumulated error probability: 0.00 parent commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa wasn't tested testing commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26924de54b73a5ceaae3b03809f0954f3dfcf99dcef4f2282f34b64c87b83128 culprit signature: 45e764f4f52c1b04ab2c5cd56fdf2c85d074cb56b29a522a99d9591e9557eb85 parent signature: 26924de54b73a5ceaae3b03809f0954f3dfcf99dcef4f2282f34b64c87b83128 reproducer is flaky (0.71 repro chance estimate) revisions tested: 22, total time: 6h12m40.819434092s (build: 2h7m41.063676389s, test: 3h51m44.065707133s) first good commit: 8542f1712074f070ae90b64e6082d10d8e912e32 ovl: fix file reference leak when submitting aio recipients (to): ["amir73il@gmail.com" "amir73il@gmail.com" "linux-unionfs@vger.kernel.org" "miklos@szeredi.hu"] recipients (cc): ["linux-kernel@vger.kernel.org"]