ci2 starts bisection 2024-11-04 09:06:58.784420954 +0000 UTC m=+233395.494314671 bisecting fixing commit since 74cdd62cb4706515b454ce5bacb73b566c1d1bcf building syzkaller on 39990d513277ce9372a4cc89bdac23d9fc30b056 ensuring issue is reproducible on original commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 566244ec24b5127f3028cf19d97d689eeae95b6d6dc4b88a4f2d59409c11c8a0 run #0: crashed: INFO: rcu detected stall in sys_recvmmsg run #1: crashed: INFO: rcu detected stall in sys_sendmmsg run #2: crashed: INFO: rcu detected stall in sys_recvmmsg run #3: crashed: INFO: rcu detected stall in sys_recvmmsg run #4: crashed: INFO: rcu detected stall in sys_recvmmsg run #5: crashed: INFO: rcu detected stall in sys_recvmmsg run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in sys_recvmmsg run #8: crashed: INFO: rcu detected stall in sys_recvmmsg 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 sys_sendmmsg run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in sys_sendmmsg run #14: crashed: INFO: rcu detected stall in sys_recvmmsg run #15: crashed: INFO: rcu detected stall in sys_recvmmsg run #16: crashed: INFO: rcu detected stall in sys_recvmmsg run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in sys_recvmmsg run #19: crashed: INFO: rcu detected stall in sys_recvmmsg representative crash: INFO: rcu detected stall in sys_recvmmsg, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d70f5ebe9adc9b69cf5bcf90af3591d7781f3a375d6d20b5f2a0444a35f8753 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in sys_recvmmsg run #5: crashed: INFO: rcu detected stall in sys_sendmmsg run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in addrconf_dad_work run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in sys_sendmmsg representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed kconfig minimization: base=3706 full=7269 leaves diff=1987 split chunks (needed=false): <1987> split chunk #0 of len 1987 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e6f4872004b7c2c07987b717f041ffaf71f11c2c711e899471942da90251d479 run #0: crashed: INFO: rcu detected stall in sys_recvmmsg run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in sys_recvmmsg run #3: crashed: INFO: rcu detected stall in sys_recvmmsg run #4: crashed: INFO: rcu detected stall in sys_recvmmsg run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in sys_recvmmsg run #7: crashed: INFO: rcu detected stall in sys_sendmmsg run #8: crashed: INFO: rcu detected stall in sys_recvmmsg run #9: crashed: lost connection to test machine representative crash: INFO: rcu detected stall in sys_recvmmsg, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 15af78cf60e23c54a27b0d3a802b370a9987cb2e84fafc04d4ba7658b35a50a1 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 52fa5143cd0db11279b870dcf3a0724307e16dd372b9b756b79caab130cb6414 run #0: crashed: INFO: rcu detected stall in sys_recvmmsg run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in sys_sendmmsg run #3: crashed: INFO: rcu detected stall in sys_sendmmsg run #4: crashed: INFO: rcu detected stall in sys_recvmmsg run #5: crashed: INFO: rcu detected stall in sys_sendmmsg run #6: crashed: INFO: rcu detected stall in sys_recvmmsg run #7: crashed: INFO: rcu detected stall in sys_recvmmsg run #8: crashed: INFO: rcu detected stall in sys_sendmmsg run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in sys_recvmmsg, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a0b488d129d17b4a1f4c799c328e9da0a4b0c1335ab5fdc33e55fa7d888aa8ba run #0: crashed: INFO: rcu detected stall in sys_sendmmsg run #1: crashed: INFO: rcu detected stall in sys_sendmmsg run #2: crashed: INFO: rcu detected stall in sys_sendmmsg run #3: crashed: INFO: rcu detected stall in sys_sendmmsg run #4: crashed: INFO: rcu detected stall in sys_sendmmsg run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in sys_recvmmsg run #7: crashed: INFO: rcu detected stall in sys_recvmmsg run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1550950756" "root@10.128.1.203:./syz-executor1550950756"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.203, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.203 [10.128.1.203] port 22. debug1: connect to address 10.128.1.203 port 22: Connection timed out ssh: connect to host 10.128.1.203 port 22: Connection timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1158564478" "root@10.128.0.148:./syz-executor1158564478"] Executing: program /usr/bin/ssh host 10.128.0.148, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.148 [10.128.0.148] 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+deb12u3 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 10.128.0.148:22 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:g5LT3corcdQiP3+7S3QNYL7lzLWO1gp/6X86Qtf82jk 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 '10.128.0.148' (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 10.128.0.148 ([10.128.0.148]: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 representative crash: INFO: rcu detected stall in sys_sendmmsg, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 74cdd62cb4706515b454ce5bacb73b566c1d1bcf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ed859831ecfb5d31fa6a7861f318d7854f3f811017a1590d8b39fa501141b7c run #0: crashed: INFO: rcu detected stall in sys_sendmmsg run #1: crashed: INFO: rcu detected stall in sys_recvmmsg run #2: crashed: INFO: rcu detected stall in sys_recvmmsg run #3: crashed: INFO: rcu detected stall in sys_recvmmsg run #4: crashed: INFO: rcu detected stall in sys_recvmmsg run #5: crashed: BUG: workqueue lockup run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor460943120" "root@10.128.1.234:./syz-executor460943120"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.234, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.234 [10.128.1.234] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.234 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2734874676" "root@10.128.0.247:./syz-executor2734874676"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.247, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.247 [10.128.0.247] port 22. debug1: connect to address 10.128.0.247 port 22: Connection timed out ssh: connect to host 10.128.0.247 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in sys_sendmmsg, types: [HANG] the chunk can be dropped minimized to 398 configs; suspects: [6LOWPAN ACPI_WMI ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CMA DAX_DRIVER DLM DRM DRM_BRIDGE DRM_FBDEV_EMULATION DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VMWGFX DRM_VMWGFX_FBCON DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_BOOT_VESA_SUPPORT FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CMDLINE FB_DEFERRED_IO FB_NOTIFY FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GVE HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_EVENTFD HAVE_KVM_IRQCHIP HAVE_KVM_IRQFD HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PM_NOTIFIER HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_CMEDIA HID_CORSAIR HID_CP2112 HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MAGICMOUSE HID_MAYFLASH HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTERVAL_TREE IOMMU_SVA_LIB IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT 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_TCP 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 IRQ_TIME_ACCOUNTING IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_FS LAPB LCD_CLASS_DEVICE MAC802154 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_VIPERBOARD MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_FWD_NETDEV NF_TABLES NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE RC_DEVICES RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE VIDEO_DEV VIDEO_V4L2 VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between 74cdd62cb4706515b454ce5bacb73b566c1d1bcf and 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a32eec94938a613df265e8d7122641637fb9f6e29a2f0b97a22cffd145c98e8e run #0: crashed: INFO: rcu detected stall in unix_dgram_sendmsg run #1: crashed: INFO: rcu detected stall in unix_dgram_sendmsg run #2: crashed: INFO: rcu detected stall in sys_recvmmsg run #3: crashed: INFO: rcu detected stall in unix_dgram_sendmsg run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in sys_recvmmsg run #7: crashed: INFO: rcu detected stall in sys_recvmmsg run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: BUG: workqueue lockup representative crash: INFO: rcu detected stall in unix_dgram_sendmsg, types: [HANG] testing current HEAD 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 testing commit 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d73243a34a4a0b83b1f379a854d2a537984cfe7781ca6b531d70128ba6aabd05 all runs: OK false negative chance: 0.000 # git bisect start 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 133797 revisions left to test after this (roughly 17 steps) [b68ee1c6131c540a62ecd443be89c406401df091] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit b68ee1c6131c540a62ecd443be89c406401df091 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cda0231609426919503a7fd0db1e9787faa876849499b7755d3ba80ad5d8bc19 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor5446311" "root@10.128.1.76:./syz-executor5446311"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.76, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.76 [10.128.1.76] port 22. debug1: connect to address 10.128.1.76 port 22: Connection timed out ssh: connect to host 10.128.1.76 port 22: Connection timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2016592299" "root@10.128.1.69:./syz-executor2016592299"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.69, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.69 [10.128.1.69] port 22. debug1: connect to address 10.128.1.69 port 22: Connection timed out ssh: connect to host 10.128.1.69 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good b68ee1c6131c540a62ecd443be89c406401df091 Bisecting: 66425 revisions left to test after this (roughly 16 steps) [cf65598d5909acf5e7b7dc9e21786e386356bc81] Merge tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit cf65598d5909acf5e7b7dc9e21786e386356bc81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3cf8708ebd5aa7ac86a875f92e2c1f79061942367d9fcc6dc0b85dc5e698b8b1 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4046107044" "root@10.128.1.94:./syz-executor4046107044"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.94, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.94 [10.128.1.94] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.94 port 22 timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3967958131" "root@10.128.1.45:./syz-executor3967958131"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.45, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.45 [10.128.1.45] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.45 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3663579118" "root@10.128.1.177:./syz-executor3663579118"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.177, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.177 [10.128.1.177] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.177 port 22 timed out scp: Connection closed run #9: crashed: BUG: workqueue lockup representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good cf65598d5909acf5e7b7dc9e21786e386356bc81 Bisecting: 33241 revisions left to test after this (roughly 15 steps) [ab7b884a34ffda718cb93c772f575e45e8241c62] Merge tag 'rproc-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit ab7b884a34ffda718cb93c772f575e45e8241c62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66da1317e547525953fd2d9459f47448adcb21e2447a8925ee723e12221a5ea8 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1864354955" "root@10.128.1.240:./syz-executor1864354955"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.240, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.240 [10.128.1.240] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.240 port 22 timed out scp: Connection closed run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good ab7b884a34ffda718cb93c772f575e45e8241c62 Bisecting: 16619 revisions left to test after this (roughly 14 steps) [1722389b0d863056d78287a120a1d6cadb8d4f7b] Merge tag 'net-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision ab7b884a34ffda718cb93c772f575e45e8241c62 crashed and is reachable testing commit 1722389b0d863056d78287a120a1d6cadb8d4f7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 96f7d62aa80ec567763989a344487a7d0730d3ecc57e3a8f53bcbbad3fb5156f run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1985724222" "root@10.128.0.235:./syz-executor1985724222"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.235, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.235 [10.128.0.235] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.235 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4109607698" "root@10.128.1.253:./syz-executor4109607698"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.253, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.253 [10.128.1.253] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.253 port 22 timed out scp: Connection closed run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 1722389b0d863056d78287a120a1d6cadb8d4f7b Bisecting: 8316 revisions left to test after this (roughly 13 steps) [87b696209007b7c4ef7bdfe39ea0253404a43770] HID: plantronics: Workaround for an unexcepted opposite volume key determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit 87b696209007b7c4ef7bdfe39ea0253404a43770 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d601a1cba790b3d0faaa4dcac3740fd17dfb0492ff57605a78a527585bb0e374 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1749121598" "root@10.128.0.94:./syz-executor1749121598"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.94, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.94 [10.128.0.94] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.94 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 87b696209007b7c4ef7bdfe39ea0253404a43770 Bisecting: 4095 revisions left to test after this (roughly 12 steps) [abf2050f51fdca0fd146388f83cddd95a57a008d] Merge tag 'media/v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit abf2050f51fdca0fd146388f83cddd95a57a008d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80257b29eaf8ef6394816fbbdad8077f768f33a9f0a3d039058e8796570391ba all runs: OK false negative chance: 0.000 # git bisect bad abf2050f51fdca0fd146388f83cddd95a57a008d Bisecting: 2079 revisions left to test after this (roughly 11 steps) [617a814f14b8914271f7a70366d72c6196d17663] Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit 617a814f14b8914271f7a70366d72c6196d17663 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40a19d1cc3ecf2b9a92b490aa28eed91a6ddbe14f8a794d951adea4733fb9e6e all runs: OK false negative chance: 0.000 # git bisect bad 617a814f14b8914271f7a70366d72c6196d17663 Bisecting: 1087 revisions left to test after this (roughly 10 steps) [8bdb468dd7a5d17f8556afdd4c8d046939ff965f] Merge tag 'drm-xe-next-2024-08-28' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit 8bdb468dd7a5d17f8556afdd4c8d046939ff965f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f4669fa7d1e05505a64b78dab3eaaea7124f1d0ae5c5c501cc3d006a751338ca run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1369204811" "root@10.128.1.227:./syz-executor1369204811"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.227, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.227 [10.128.1.227] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.227 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1753107503" "root@10.128.1.229:./syz-executor1753107503"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.229, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.229 [10.128.1.229] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.229 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 8bdb468dd7a5d17f8556afdd4c8d046939ff965f Bisecting: 541 revisions left to test after this (roughly 9 steps) [2004cef11ea072838f99bd95cefa5c8e45df0847] Merge tag 'sched-core-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit 2004cef11ea072838f99bd95cefa5c8e45df0847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5cee89e18e9c2ce349ffdd62a333b67794b3330593ffb10980bc6b06952a32a all runs: OK false negative chance: 0.000 # git bisect bad 2004cef11ea072838f99bd95cefa5c8e45df0847 Bisecting: 285 revisions left to test after this (roughly 8 steps) [f1a4dceeb2bd4b4478e4f0c77dac55569d153fb3] drm/xe: Fix missing conversion to xe_display_pm_runtime_resume determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit f1a4dceeb2bd4b4478e4f0c77dac55569d153fb3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b6a063e93848328f0c1c80ab56bb7e6cd7be5be23561908f55207edf0e65c5b run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: task hung in __lru_add_drain_all run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3907904325" "root@10.128.1.45:./syz-executor3907904325"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.45, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.45 [10.128.1.45] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.45 port 22 timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor653825067" "root@10.128.0.157:./syz-executor653825067"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.157, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.157 [10.128.0.157] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.157 port 22 timed out scp: Connection closed run #8: crashed: BUG: workqueue lockup run #9: crashed: BUG: workqueue lockup representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good f1a4dceeb2bd4b4478e4f0c77dac55569d153fb3 Bisecting: 182 revisions left to test after this (roughly 7 steps) [726e2d0cf2bbc14e3bf38491cddda1a56fe18663] Merge tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping determine whether the revision contains the guilty commit revision f1a4dceeb2bd4b4478e4f0c77dac55569d153fb3 crashed and is reachable testing commit 726e2d0cf2bbc14e3bf38491cddda1a56fe18663 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bd5c7f59b50013bffbc82496c67d6ea1152d4b5964e16005e378cc28b256a712 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2271738484" "root@10.128.1.223:./syz-executor2271738484"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.223, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.223 [10.128.1.223] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.223 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor612838864" "root@10.128.1.53:./syz-executor612838864"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.53, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.53 [10.128.1.53] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.53 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3057867438" "root@10.128.0.5:./syz-executor3057867438"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.5, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.5 [10.128.0.5] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.5 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 726e2d0cf2bbc14e3bf38491cddda1a56fe18663 Bisecting: 88 revisions left to test after this (roughly 7 steps) [cff06a799dbe81f3a697ae7c805eaf88d30c2308] Merge patch series "smartpqi updates" determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit cff06a799dbe81f3a697ae7c805eaf88d30c2308 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4111a70ef54c2c97c6bef766f210501fa98f7cad9fb090259dfa1ee32ad87d68 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1035201815" "root@10.128.0.188:./syz-executor1035201815"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.188, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.188 [10.128.0.188] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.188 port 22 timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor302967659" "root@10.128.1.207:./syz-executor302967659"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.207, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.207 [10.128.1.207] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.207 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor91220573" "root@10.128.1.242:./syz-executor91220573"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.242, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.242 [10.128.1.242] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.242 port 22 timed out scp: Connection closed run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good cff06a799dbe81f3a697ae7c805eaf88d30c2308 Bisecting: 44 revisions left to test after this (roughly 6 steps) [9c602adb799e72ee537c0c7ca7e828c3fe2acad6] sched/deadline: Fix schedstats vs deadline servers determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit 9c602adb799e72ee537c0c7ca7e828c3fe2acad6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a4d4fdafae99ba7e98f5b3cc37504d836a34825d76b06b4d598f578a7583408 all runs: OK false negative chance: 0.000 # git bisect bad 9c602adb799e72ee537c0c7ca7e828c3fe2acad6 Bisecting: 21 revisions left to test after this (roughly 5 steps) [949090eaf0a3e39aa0f4a675407e16d0e975da11] sched/eevdf: Remove min_vruntime_copy determine whether the revision contains the guilty commit revision cf65598d5909acf5e7b7dc9e21786e386356bc81 crashed and is reachable testing commit 949090eaf0a3e39aa0f4a675407e16d0e975da11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a6f4399d5418e6c3445bbc10a5e59403053e96309a91559147d3daeefccefe9 all runs: OK false negative chance: 0.000 # git bisect bad 949090eaf0a3e39aa0f4a675407e16d0e975da11 Bisecting: 10 revisions left to test after this (roughly 4 steps) [d741f297bceaf52aa1b97b997708fc0cd853c73e] sched/fair: Fair server interface determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit d741f297bceaf52aa1b97b997708fc0cd853c73e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5bc3cce9393a1b90512294a103ec19a672d636de183c72d38074b626216e8886 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3454263966" "root@10.128.0.99:./syz-executor3454263966"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.99, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.99 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3114017952" "root@10.128.0.204:./syz-executor3114017952"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.204, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.204 [10.128.0.204] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.204 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good d741f297bceaf52aa1b97b997708fc0cd853c73e Bisecting: 5 revisions left to test after this (roughly 3 steps) [924e2904da9b5edec61611918b98ab1f7fccc461] sched/fair: Make balance_fair() test sched_fair_runnable() instead of rq->nr_running determine whether the revision contains the guilty commit revision b68ee1c6131c540a62ecd443be89c406401df091 crashed and is reachable testing commit 924e2904da9b5edec61611918b98ab1f7fccc461 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8bf73d8c39b53d04437b0fca2dec9cbbdb1a6c6b809c17b40d0a89e592d7965d all runs: OK false negative chance: 0.000 # git bisect bad 924e2904da9b5edec61611918b98ab1f7fccc461 Bisecting: 2 revisions left to test after this (roughly 1 step) [c8a85394cfdb4696b4e2f8a0f3066a1c921af426] sched/core: Fix picking of tasks for core scheduling with DL server determine whether the revision contains the guilty commit revision d741f297bceaf52aa1b97b997708fc0cd853c73e crashed and is reachable testing commit c8a85394cfdb4696b4e2f8a0f3066a1c921af426 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c8a6d01b5ff7d0473abd73c1c595f3fbea940664525ee3bbe474128fc3c620a run #0: basic kernel testing failed: lost connection to test machine run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: BUG: workqueue lockup run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor887927945" "root@10.128.0.182:./syz-executor887927945"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.182, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.182 [10.128.0.182] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.182 port 22 timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor997574591" "root@10.128.1.117:./syz-executor997574591"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.117, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.117 [10.128.1.117] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.117 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1195630554" "root@10.128.1.107:./syz-executor1195630554"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.107, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.107 [10.128.1.107] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.107 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1344599693" "root@10.128.0.168:./syz-executor1344599693"] Executing: program /usr/bin/ssh host 10.128.0.168, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.168 [10.128.0.168] 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+deb12u3 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 10.128.0.168:22 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 representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good c8a85394cfdb4696b4e2f8a0f3066a1c921af426 Bisecting: 0 revisions left to test after this (roughly 1 step) [cea5a3472ac43f18590e1bd6b842f808347a810c] sched/fair: Cleanup fair_server determine whether the revision contains the guilty commit revision d741f297bceaf52aa1b97b997708fc0cd853c73e crashed and is reachable testing commit cea5a3472ac43f18590e1bd6b842f808347a810c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce8a33748e07040d9eca8f4e1097c32123a425cef2364e607464140dbe90c252 all runs: OK false negative chance: 0.000 # git bisect bad cea5a3472ac43f18590e1bd6b842f808347a810c Bisecting: 0 revisions left to test after this (roughly 0 steps) [5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d] sched/rt: Remove default bandwidth control determine whether the revision contains the guilty commit revision d741f297bceaf52aa1b97b997708fc0cd853c73e crashed and is reachable testing commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0cc19390c6be86c69d3cc1fcdf19f42672ef2f7237b01f9ca8586284ab0c13cf all runs: OK false negative chance: 0.000 # git bisect bad 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d is the first bad commit commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d Author: Peter Zijlstra Date: Mon May 27 14:06:55 2024 +0200 sched/rt: Remove default bandwidth control Now that fair_server exists, we no longer need RT bandwidth control unless RT_GROUP_SCHED. Enable fair_server with parameters equivalent to RT throttling. Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: "Peter Zijlstra (Intel)" Signed-off-by: Daniel Bristot de Oliveira Signed-off-by: "Vineeth Pillai (Google)" Signed-off-by: Peter Zijlstra (Intel) Tested-by: Juri Lelli Link: https://lore.kernel.org/r/14d562db55df5c3c780d91940743acb166895ef7.1716811044.git.bristot@kernel.org kernel/sched/core.c | 9 +- kernel/sched/deadline.c | 5 +- kernel/sched/debug.c | 3 + kernel/sched/rt.c | 242 +++++++++++++++++++++--------------------------- kernel/sched/sched.h | 3 +- 5 files changed, 120 insertions(+), 142 deletions(-) accumulated error probability: 0.00 culprit signature: 0cc19390c6be86c69d3cc1fcdf19f42672ef2f7237b01f9ca8586284ab0c13cf parent signature: 7c8a6d01b5ff7d0473abd73c1c595f3fbea940664525ee3bbe474128fc3c620a revisions tested: 28, total time: 7h16m41.693332527s (build: 1h12m37.545883961s, test: 5h53m10.165552513s) first good commit: 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d sched/rt: Remove default bandwidth control recipients (to): ["bristot@kernel.org" "juri.lelli@redhat.com" "peterz@infradead.org" "vineeth@bitbyteword.org"] recipients (cc): []