ci2 starts bisection 2024-02-16 05:13:14.559766145 +0000 UTC m=+2766.556824648 bisecting fixing commit since 92901222f83d988617aee37680cb29e1a743b5e4 building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit 92901222f83d988617aee37680cb29e1a743b5e4 testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2bd8bbd0765cd9667fcbe89b521af4dfac2b1f41f1bc6d8503cbf7c114ae1206 run #0: crashed: INFO: task hung in write_cache_pages run #1: crashed: INFO: task hung in write_cache_pages run #2: 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-executor3544703923" "root@10.128.0.12:./syz-executor3544703923"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.12, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.12 [10.128.0.12] port 22. debug1: connect to address 10.128.0.12 port 22: Connection timed out ssh: connect to host 10.128.0.12 port 22: Connection timed out scp: Connection closed run #3: crashed: INFO: task hung in write_cache_pages run #4: crashed: INFO: task hung in write_cache_pages run #5: crashed: INFO: task hung in write_cache_pages run #6: crashed: INFO: task hung in write_cache_pages run #7: crashed: INFO: task hung in write_cache_pages run #8: crashed: INFO: task hung in write_cache_pages run #9: crashed: INFO: task hung in write_cache_pages run #10: crashed: INFO: task hung in write_cache_pages run #11: crashed: INFO: task hung in write_cache_pages run #12: crashed: INFO: task hung in write_cache_pages run #13: crashed: INFO: task hung in write_cache_pages run #14: crashed: INFO: task hung in write_cache_pages run #15: crashed: INFO: task hung in write_cache_pages run #16: crashed: INFO: task hung in write_cache_pages run #17: crashed: INFO: task hung in write_cache_pages run #18: crashed: INFO: task hung in write_cache_pages run #19: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34a4d4b310b80fec388d3c949eaa5faf1edd94bc4d6862b93b9c543f049a1753 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, 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=3932 full=7683 leaves diff=2011 split chunks (needed=false): <2011> split chunk #0 of len 2011 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4e09149a243a4354db38ff6b1cff04a18952e8f33be07f6f8377d12e12a1342c all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f11656b7168a4d6aff753960353f3d3427ba977c77b87b82b4e588e5e422945b all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3803a2331fe0f6125bc9b47dc61d4fc21a83be926a07485893f7a4bccff8869d all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e8dd38561d71559feb9d47fde87316dc858a5ccc35cc3b6e1e4725303e99db8 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 92901222f83d988617aee37680cb29e1a743b5e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0ac810dd60d1fc68bd16ce56ec78f165ee045d591a9338e6e1a6525593092ea8 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] the chunk can be dropped minimized to 403 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CMA COMMON_CLK DAX DLM DRM DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS DRM_DP_AUX_CHARDEV DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX 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 EVM_EXTRA_SMACK_XATTRS EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC 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_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED 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_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GET_FREE_REGION 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 GUEST_PERF_EVENTS GVE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO 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_PFNCACHE 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_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM 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_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 INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_TEST IOMMU_SVA 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_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_PROTO_TCP IRQ_TIME_ACCOUNTING 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 RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing current HEAD 4f5e5092fdbf5cec6bedc19fbe69cce4f5f08372 testing commit 4f5e5092fdbf5cec6bedc19fbe69cce4f5f08372 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 717dc3daa5021870518de0095195d832931500c7d29de950a5c87893e8e1070a all runs: OK false negative chance: 0.000 # git bisect start 4f5e5092fdbf5cec6bedc19fbe69cce4f5f08372 92901222f83d988617aee37680cb29e1a743b5e4 Bisecting: 18547 revisions left to test after this (roughly 14 steps) [e70703890b2586bc3567365d391c260d23fb7a94] Merge tag 'topic/nvidia-gsp-2023-11-03' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit e70703890b2586bc3567365d391c260d23fb7a94 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d1d7ec7233c11d501430ea61ceed54edf4e42aff669bd1cfc433e86d299e7b4 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good e70703890b2586bc3567365d391c260d23fb7a94 Bisecting: 8923 revisions left to test after this (roughly 13 steps) [c4101e55974cc7d835fbd2d8e01553a3f61e9e75] Merge tag 'soc-dt-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit c4101e55974cc7d835fbd2d8e01553a3f61e9e75 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f78cc87a40fdb3a6a3ac58a5e2d180dd10e7ec1ae648e9f7f0d96ebb60df178d all runs: OK false negative chance: 0.000 # git bisect bad c4101e55974cc7d835fbd2d8e01553a3f61e9e75 Bisecting: 4808 revisions left to test after this (roughly 12 steps) [85dd93ac6e00adf09fc27e4d2e7f5c9aaf275d38] Merge branch 'enhance-bpf-global-subprogs-with-argument-tags' determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit 85dd93ac6e00adf09fc27e4d2e7f5c9aaf275d38 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64ca4ef4e96e564ffc6dd73364925cb6aee80a66d725f6eae9a1f8ebac5359c3 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good 85dd93ac6e00adf09fc27e4d2e7f5c9aaf275d38 Bisecting: 2404 revisions left to test after this (roughly 11 steps) [9963327f8e578bb29de2e283ee16b0f95c20201c] Merge tag 'fs_for_v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs determine whether the revision contains the guilty commit revision e70703890b2586bc3567365d391c260d23fb7a94 crashed and is reachable testing commit 9963327f8e578bb29de2e283ee16b0f95c20201c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fcfbcb15a46c5d095988db8d018e1716c6414aeefe7b80ca65fac5e94df69a60 all runs: OK false negative chance: 0.000 # git bisect bad 9963327f8e578bb29de2e283ee16b0f95c20201c Bisecting: 1212 revisions left to test after this (roughly 10 steps) [aac4de465af08ccec90ef47bdcc13435e48a7223] Merge tag 'perf-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit aac4de465af08ccec90ef47bdcc13435e48a7223 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9916c4295921d3caccc6ebc7603a184054c4132f06b501454ea58b186eab5b12 all runs: OK false negative chance: 0.000 # git bisect bad aac4de465af08ccec90ef47bdcc13435e48a7223 Bisecting: 567 revisions left to test after this (roughly 9 steps) [1f874787ed9a2d78ed59cb21d0d90ac0178eceb0] Merge tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 62b238b9ee226b2b1b2b27bf2afa3331e74e7262623b7a704635a8b276adb5e6 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 Bisecting: 302 revisions left to test after this (roughly 8 steps) [3edbe8afb617a736ae0dcc877311bdb112a00123] Merge tag 'ras_core_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 crashed and is reachable testing commit 3edbe8afb617a736ae0dcc877311bdb112a00123 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87109aaff6a2e065e8d5be783925860a1266f3bc282f4b03b9079c85caef12fd all runs: OK false negative chance: 0.000 # git bisect bad 3edbe8afb617a736ae0dcc877311bdb112a00123 Bisecting: 127 revisions left to test after this (roughly 7 steps) [8c9440fea77440772542d6dbcb5c36182495c164] Merge tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 crashed and is reachable testing commit 8c9440fea77440772542d6dbcb5c36182495c164 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63317b9e7bd84d6a7edd74d087db34d72c7d12bea0801a026c3b10882edb402f all runs: OK false negative chance: 0.000 # git bisect bad 8c9440fea77440772542d6dbcb5c36182495c164 Bisecting: 76 revisions left to test after this (roughly 6 steps) [1ab33c03145d0f6c345823fc2da935d9a1a9e9fc] asm-generic: make sparse happy with odd-sized put_unaligned_*() determine whether the revision contains the guilty commit revision e70703890b2586bc3567365d391c260d23fb7a94 crashed and is reachable testing commit 1ab33c03145d0f6c345823fc2da935d9a1a9e9fc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0e97385266015262cb91b6d625c5ccfe223043cb96028020b825f6400d6c1878 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good 1ab33c03145d0f6c345823fc2da935d9a1a9e9fc Bisecting: 38 revisions left to test after this (roughly 5 steps) [c604110e662a54568073a03176402b624e740310] Merge tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision e70703890b2586bc3567365d391c260d23fb7a94 crashed and is reachable testing commit c604110e662a54568073a03176402b624e740310 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c1b16c5cd6a795426b276078ca96005d444e681a02f1163964d3bbf02416eb65 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good c604110e662a54568073a03176402b624e740310 Bisecting: 19 revisions left to test after this (roughly 4 steps) [cd34758c5238ae6976b10fe15bba7031b409c969] block: Remove blkdev_get_by_*() functions determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit cd34758c5238ae6976b10fe15bba7031b409c969 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fad47657ff869f170d23e82d90010148ec63cb9190c985092c2e3b3ef7a1a878 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good cd34758c5238ae6976b10fe15bba7031b409c969 Bisecting: 9 revisions left to test after this (roughly 3 steps) [5bd3cf8cbc8a286308ef3f40656659d5abc89995] add selftest for statmount/listmount determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit 5bd3cf8cbc8a286308ef3f40656659d5abc89995 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c66d2d81bd0bd65396014cbb8bbd95f574258b287d3ae10bb39b784cac72407c all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good 5bd3cf8cbc8a286308ef3f40656659d5abc89995 Bisecting: 4 revisions left to test after this (roughly 2 steps) [afde134b5bd02a5c719336ca1d0d3cb7e4def70e] ext4: Block writes to journal device determine whether the revision contains the guilty commit revision cd34758c5238ae6976b10fe15bba7031b409c969 crashed and is reachable testing commit afde134b5bd02a5c719336ca1d0d3cb7e4def70e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dd71efddbe6234f70a595fba641fa93fbaaac85b0da7655d871828de87ac40cc all runs: OK false negative chance: 0.000 # git bisect bad afde134b5bd02a5c719336ca1d0d3cb7e4def70e Bisecting: 2 revisions left to test after this (roughly 1 step) [ead622674df5a3ae575b964090bee65f6b7f805f] btrfs: Do not restrict writes to btrfs devices determine whether the revision contains the guilty commit revision 92901222f83d988617aee37680cb29e1a743b5e4 crashed and is reachable testing commit ead622674df5a3ae575b964090bee65f6b7f805f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb3372d944304ec894081158cb1375ffc9937c0a7888bda465c83dcc63d73471 all runs: crashed: INFO: task hung in write_cache_pages representative crash: INFO: task hung in write_cache_pages, types: [HANG] # git bisect good ead622674df5a3ae575b964090bee65f6b7f805f Bisecting: 0 revisions left to test after this (roughly 1 step) [3584c8f48a70c1f74c7b7bab59cf22bb66224649] xfs: Block writes to log device determine whether the revision contains the guilty commit revision e70703890b2586bc3567365d391c260d23fb7a94 crashed and is reachable testing commit 3584c8f48a70c1f74c7b7bab59cf22bb66224649 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5ae0349df2a79ae901d106b7bc40368f92082c30df49a708d3f85ca4494c4109 all runs: OK false negative chance: 0.000 # git bisect bad 3584c8f48a70c1f74c7b7bab59cf22bb66224649 Bisecting: 0 revisions left to test after this (roughly 0 steps) [6f861765464f43a71462d52026fbddfc858239a5] fs: Block writes to mounted block devices determine whether the revision contains the guilty commit revision e70703890b2586bc3567365d391c260d23fb7a94 crashed and is reachable testing commit 6f861765464f43a71462d52026fbddfc858239a5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e241119cf9d3da5803af3b76fd17c5eb143561ef88d2b1a1cfaa78a294bffebf all runs: OK false negative chance: 0.000 # git bisect bad 6f861765464f43a71462d52026fbddfc858239a5 6f861765464f43a71462d52026fbddfc858239a5 is the first bad commit commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 18:43:10 2023 +0100 fs: Block writes to mounted block devices Ask block layer to block writes to block devices mounted by filesystems. Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20231101174325.10596-5-jack@suse.cz Reviewed-by: Christian Brauner Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner include/linux/blkdev.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: e241119cf9d3da5803af3b76fd17c5eb143561ef88d2b1a1cfaa78a294bffebf parent signature: eb3372d944304ec894081158cb1375ffc9937c0a7888bda465c83dcc63d73471 revisions tested: 24, total time: 5h49m44.779241192s (build: 1h59m5.647194543s, test: 3h40m30.252280206s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []