ci starts bisection 2023-10-20 23:58:15.082551724 +0000 UTC m=+99.503417007 bisecting fixing commit since ed4643521e6af8ab8ed1e467630a85884d2696cf building syzkaller on 89bc860804252dbacb8c2bea60b9204859f4afd7 ensuring issue is reproducible on original commit ed4643521e6af8ab8ed1e467630a85884d2696cf testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c7db6d025047b314b81a263f83b7e8fe210e38e62d569148f475256fb369c9f run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #1: crashed: SYZFAIL: wrong response packet run #2: crashed: SYZFAIL: wrong response packet run #3: crashed: SYZFAIL: wrong response packet run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: SYZFAIL: wrong response packet, types: [SYZ_FAILURE] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d23b83b18ad05973293d3b950f6cc35a51d11d850a50cd01b601ab15b6acfb9f all runs: OK false negative chance: 0.032 kconfig minimization: base=3883 full=7246 leaves diff=1998 split chunks (needed=false): <1998> split chunk #0 of len 1998 into 5 parts testing without sub-chunk 1/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: adfd046d016e8808474a01da21143088d99db90356cf96b07d0e0863f5ac27f5 run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in corrupted run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in corrupted run #5: crashed: INFO: task hung in r871xu_dev_remove run #6: crashed: INFO: task hung in corrupted run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in netdev_run_todo run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: 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-executor3977210601" "root@10.128.1.118:./syz-executor3977210601"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.118, 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 10.128.1.118 [10.128.1.118] 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 10.128.1.118 port 22 timed out scp: Connection closed run #17: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1126429115" "root@10.128.1.169:./syz-executor1126429115"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.169, 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 10.128.1.169 [10.128.1.169] 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 10.128.1.169 port 22 timed out scp: Connection closed run #18: OK run #19: OK representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a6c1798ecf71f198abc60fcaa684835b9a7f34f7fa109fd23b8bbd40efbb7cd6 run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in netdev_run_todo run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in netdev_run_todo run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in netdev_run_todo run #15: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor217441691" "root@10.128.1.60:./syz-executor217441691"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.60, 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 10.128.1.60 [10.128.1.60] 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 10.128.1.60 port 22 timed out scp: Connection closed run #16: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4026108275" "root@10.128.1.147:./syz-executor4026108275"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.147, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.147 [10.128.1.147] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 Connection timed out during banner exchange Connection to 10.128.1.147 port 22 timed out scp: Connection closed run #17: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2662588058" "root@10.128.10.63:./syz-executor2662588058"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.63, 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 10.128.10.63 [10.128.10.63] 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 10.128.10.63 port 22 timed out scp: Connection closed run #18: OK run #19: OK representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 74106f3fda11b99173c1cedf12e7c590ece6959cf8473f458239f9b38a19f518 run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in netdev_run_todo run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: crashed: INFO: task hung in r871xu_dev_remove run #17: crashed: INFO: task hung in r871xu_dev_remove run #18: crashed: INFO: task hung in r871xu_dev_remove 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-executor3039228834" "root@10.128.10.42:./syz-executor3039228834"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.42, 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 10.128.10.42 [10.128.10.42] 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 10.128.10.42 port 22 timed out scp: Connection closed representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6754824408d073fc243238cd85a05c6a46f04957f029cf7c9d329a78a018f097 all runs: OK false negative chance: 0.032 testing without sub-chunk 5/5 testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3ebcd943a172cb7423a163b36efec5afa621868f97786d5ade1216b6dbd6a39e run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0089acff0 0xc0089ad0e0 0xc0089ad180] 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:[0xc00086c050 0xc00086c190 0xc00086c230] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00086c640 0xc00086c730 0xc00086c7d0] 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 #3: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0085fc140 0xc0085fc280 0xc0085fc320] 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 #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK false negative chance: 0.064 minimized to 798 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_RANDOM ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CC_HAS_UBSAN_BOUNDS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBCRC32C LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCI_MSI_IRQ_DOMAIN PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PMC_ATOM PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RANDOM_TRUST_BOOTLOADER RANDOM_TRUST_CPU RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE 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USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USB_ZR364XX USELIB USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_TO_BUS VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK X86_FEATURE_NAMES X86_SGX X86_SMAP X86_X32 XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_ASSERT_FATAL XFS_DEBUG XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] testing current HEAD 9c5d00cb7b6bbc5a7965d9ab7d223b5402d1f02c testing commit 9c5d00cb7b6bbc5a7965d9ab7d223b5402d1f02c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66758ec97de84b11b72b32c877db286c0b4e09da778b9536757b3ed60b20bdad run #0: crashed: INFO: task hung in r871xu_dev_remove run #1: crashed: INFO: task hung in r871xu_dev_remove run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in r871xu_dev_remove run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in r871xu_dev_remove run #15: crashed: INFO: task hung in r871xu_dev_remove run #16: crashed: INFO: task hung in r871xu_dev_remove run #17: 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-executor3567512769" "root@10.128.10.42:./syz-executor3567512769"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.42, 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 10.128.10.42 [10.128.10.42] 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 10.128.10.42 port 22 timed out scp: Connection closed 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-executor1122183754" "root@10.128.10.51:./syz-executor1122183754"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.51, 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 10.128.10.51 [10.128.10.51] 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 10.128.10.51 port 22 timed out scp: Connection closed run #19: OK representative crash: INFO: task hung in r871xu_dev_remove, types: [HANG] crash still not fixed/happens on the oldest tested release reproducer is flaky (1.00 repro chance estimate) revisions tested: 8, total time: 2h58m48.412765505s (build: 47m49.342192296s, test: 2h4m34.213120492s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools crash: INFO: task hung in r871xu_dev_remove INFO: task kworker/0:1:9 blocked for more than 143 seconds. Not tainted 6.6.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:24848 pid:9 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xe6b/0x5890 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 unregister_netdev+0xd/0x20 net/core/dev.c:11040 r871xu_dev_remove+0x22c/0x400 drivers/staging/rtl8712/usb_intf.c:596 usb_unbind_interface+0x17d/0x7b0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x370/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3e0 drivers/base/bus.c:574 device_del+0x340/0x930 drivers/base/core.c:3813 usb_disable_device+0x2a8/0x700 drivers/usb/core/message.c:1416 usb_disconnect+0x272/0x880 drivers/usb/core/hub.c:2260 hub_port_connect drivers/usb/core/hub.c:5299 [inline] hub_port_connect_change drivers/usb/core/hub.c:5599 [inline] port_event drivers/usb/core/hub.c:5759 [inline] hub_event+0x11ad/0x4370 drivers/usb/core/hub.c:5841 process_one_work+0x789/0x12a0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x6fb/0x1170 kernel/workqueue.c:2784 kthread+0x2ed/0x3d0 kernel/kthread.c:388 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/0:5:4228 blocked for more than 143 seconds. Not tainted 6.6.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:25008 pid:4228 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xe6b/0x5890 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_timeout+0x23e/0x280 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116 r871xu_dev_remove+0x6f/0x400 drivers/staging/rtl8712/usb_intf.c:594 usb_unbind_interface+0x17d/0x7b0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x370/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3e0 drivers/base/bus.c:574 device_del+0x340/0x930 drivers/base/core.c:3813 usb_disable_device+0x2a8/0x700 drivers/usb/core/message.c:1416 usb_disconnect+0x272/0x880 drivers/usb/core/hub.c:2260 hub_port_connect drivers/usb/core/hub.c:5299 [inline] hub_port_connect_change drivers/usb/core/hub.c:5599 [inline] port_event drivers/usb/core/hub.c:5759 [inline] hub_event+0x11ad/0x4370 drivers/usb/core/hub.c:5841 process_one_work+0x789/0x12a0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x6fb/0x1170 kernel/workqueue.c:2784 kthread+0x2ed/0x3d0 kernel/kthread.c:388 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Showing all locks held in the system: 3 locks held by kworker/0:0/8: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900000d7d98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 6 locks held by kworker/0:1/9: #0: ffff88800beb5938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900000e7d98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffff888015098190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888015098190 (&dev->mutex){....}-{3:3}, at: hub_event+0x123/0x4370 drivers/usb/core/hub.c:5787 #3: ffff8880749fd190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff8880749fd190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2251 #4: ffff888074a8a160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff888074a8a160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff888074a8a160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 #5: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0xd/0x20 net/core/dev.c:11040 3 locks held by kworker/1:0/23: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900001d7d98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 5 locks held by kworker/1:1/27: #0: ffff88800beb5938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc90000a2fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffff888015118190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888015118190 (&dev->mutex){....}-{3:3}, at: hub_event+0x123/0x4370 drivers/usb/core/hub.c:5787 #3: ffff88807f4b4190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff88807f4b4190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2251 #4: ffff88807db09160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff88807db09160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88807db09160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 1 lock held by khungtaskd/29: #0: ffffffff878aeda0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline] #0: ffffffff878aeda0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline] #0: ffffffff878aeda0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613 5 locks held by kworker/0:2/383: #0: ffff88800beb5938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc9000286fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffff888014ff8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888014ff8190 (&dev->mutex){....}-{3:3}, at: hub_event+0x123/0x4370 drivers/usb/core/hub.c:5787 #3: ffff88807e91b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff88807e91b190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2251 #4: ffff88801bd89160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff88801bd89160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88801bd89160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 3 locks held by kworker/1:2/991: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900032ffd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 2 locks held by dhcpcd/2869: #0: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x19e/0x1850 net/ipv4/devinet.c:1091 #1: ffff888010384db0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x34/0x730 drivers/staging/rtl8712/os_intfs.c:392 2 locks held by getty/2898: #0: ffff888149a680a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900025332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xc66/0x1300 drivers/tty/n_tty.c:2206 5 locks held by kworker/1:3/2970: #0: ffff88800beb5938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc9000272fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffff888015130190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888015130190 (&dev->mutex){....}-{3:3}, at: hub_event+0x123/0x4370 drivers/usb/core/hub.c:5787 #3: ffff88807f689190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff88807f689190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2251 #4: ffff88807db0e160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff88807db0e160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88807db0e160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 3 locks held by kworker/0:3/2971: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900026cfd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 5 locks held by kworker/0:4/4191: #0: ffff88800beb5938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900033cfd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffff888143eb0190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888143eb0190 (&dev->mutex){....}-{3:3}, at: hub_event+0x123/0x4370 drivers/usb/core/hub.c:5787 #3: ffff88807f288190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff88807f288190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2251 #4: ffff88807f8cd160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff88807f8cd160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88807f8cd160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 4 locks held by udevd/4218: #0: ffff88806bdad418 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #1: ffff88806aa2b088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff8880103030f0 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #3: ffff88807e91b190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline] #3: ffff88807e91b190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 4 locks held by udevd/4222: #0: ffff88801afb2668 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #1: ffff88806d961488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff88806dd42e88 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #3: ffff8880749fd190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline] #3: ffff8880749fd190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 5 locks held by kworker/0:5/4228: #0: ffff88800beb5938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc9000333fd98 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffff8880150b8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff8880150b8190 (&dev->mutex){....}-{3:3}, at: hub_event+0x123/0x4370 drivers/usb/core/hub.c:5787 #3: ffff8881416a1190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff8881416a1190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xdc/0x880 drivers/usb/core/hub.c:2251 #4: ffff888074a89160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff888074a89160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff888074a89160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 4 locks held by udevd/4230: #0: ffff88806e14bc30 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #1: ffff88806aa28488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff8881492cde88 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #3: ffff88807f288190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline] #3: ffff88807f288190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 3 locks held by kworker/0:6/4250: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900045afd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 4 locks held by udevd/4253: #0: ffff88801c86fe80 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #1: ffff88806aa27088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff88814924d578 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #3: ffff88807f4b4190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline] #3: ffff88807f4b4190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 4 locks held by udevd/4255: #0: ffff88801afa2d58 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #1: ffff888079fe7088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff88806e008748 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #3: ffff8881416a1190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline] #3: ffff8881416a1190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 4 locks held by udevd/4258: #0: ffff8880177062f0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc1/0x1190 fs/seq_file.c:182 #1: ffff88807de68488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff8881493e12c0 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x68/0x390 fs/kernfs/file.c:155 #3: ffff88807f689190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline] #3: ffff88807f689190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 3 locks held by kworker/0:7/4267: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900035afd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 3 locks held by kworker/1:5/4270: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc90004a5fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 3 locks held by kworker/1:6/4297: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900075dfd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 3 locks held by kworker/1:7/4300: #0: ffff88800b872138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc900075ffd98 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x73/0xf70 net/wireless/reg.c:2462 3 locks held by kworker/0:9/4302: #0: ffff88800b870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc9000761fd98 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xd/0x30 net/core/dev.c:10293 3 locks held by kworker/1:10/4373: #0: ffff8880198c1938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc90007767d98 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xd/0x20 net/ipv6/addrconf.c:4667 3 locks held by kworker/0:13/4442: #0: ffff8880198c1938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b9/0x12a0 kernel/workqueue.c:2605 #1: ffffc90007747d98 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71e/0x12a0 kernel/workqueue.c:2606 #2: ffffffff888bbba8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xd/0x20 net/ipv6/addrconf.c:4667 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x5c/0xb0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x167/0x210 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x1c7/0x210 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xa9d/0xd20 kernel/hung_task.c:379 kthread+0x2ed/0x3d0 kernel/kthread.c:388 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2638 Comm: syslogd Not tainted 6.6.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline] RIP: 0010:check_preemption_disabled+0x29/0xe0 lib/smp_processor_id.c:19 Code: 00 41 54 55 53 48 83 ec 08 65 8b 1d ad 9c 10 7a 65 8b 05 a2 9c 10 7a a9 ff ff ff 7f 74 0b 48 83 c4 08 89 d8 5b 5d 41 5c c3 9c <58> f6 c4 02 74 ee 65 48 8b 04 25 c0 b2 03 00 f6 40 2f 04 48 89 fd RSP: 0018:ffffc9000256fee8 EFLAGS: 00000046 RAX: 0000000080000000 RBX: 0000000000000001 RCX: 1ffffffff118c351 RDX: 1ffff1100feffc67 RSI: ffffffff86279340 RDI: ffffffff86626a00 RBP: ffffffffffffffff R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff88c642d7 R11: 0000000000000059 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f8d2a043380(0000) GS:ffff8880ba700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e4b6f4070 CR3: 000000001b2c0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline] lockdep_hardirqs_on_prepare kernel/locking/lockdep.c:4359 [inline] lockdep_hardirqs_on_prepare+0x17f/0x410 kernel/locking/lockdep.c:4310 __exit_to_user_mode kernel/entry/common.c:131 [inline] syscall_exit_to_user_mode+0x27/0x60 kernel/entry/common.c:298 do_syscall_64+0x44/0x80 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8d2a197bf2 Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffcfe1a67b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000059 RBX: 0000000000000003 RCX: 00007f8d2a197bf2 RDX: 0000000000000059 RSI: 0000557c01f31c50 RDI: 0000000000000003 RBP: 0000557c01f31c50 R08: 0000000000000001 R09: 0000000000000000 R10: 00007f8d2a3363a3 R11: 0000000000000246 R12: 0000000000000059 R13: 00007f8d2a043300 R14: 0000000000000004 R15: 0000557c01f31a60