ci2 starts bisection 2024-07-12 00:34:28.295816211 +0000 UTC m=+23792.843447667 bisecting fixing commit since 4878aadf2d1519f3731ae300ce1fef78fc63ee30 building syzkaller on 3f2748a3a15aac63efeb991dee40bfc870ae581d ensuring issue is reproducible on original commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 91a8b6a3e6cc1433d7f1098fcb3e3f8d453fd7fbad4cf40b633fac5ec4868d08 all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c36c67ed462a1e1bf48c8cd0e8504b3e788dc296663ea8a6ac46d6124c8fcc6 all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed kconfig minimization: base=3703 full=7269 leaves diff=1983 split chunks (needed=false): <1983> split chunk #0 of len 1983 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e1dc42762f016b4503ada93e3c485e072c92f811a91614ee4d31d31f72fa2500 all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4eec8c16ab0a20c4abb445142a6ec371aec2863b7959d2a54b273800da935bbf all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5803139323564cd933040ed5010a5c845bd386e68b97bf7cdf65f50357036c7 all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 570d5fbae92e06760a234666cfce24ff8bd7ec91177a6e38f32c29ce2c3b2594 all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 4878aadf2d1519f3731ae300ce1fef78fc63ee30 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ade81be21ae9def1ed243bc4722eb18e606507e49a4dec6919efef6f02170acf all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] the chunk can be dropped minimized to 397 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 FUNCTION_ALIGNMENT_16B FUNCTION_ALIGNMENT_4B 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 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between 4878aadf2d1519f3731ae300ce1fef78fc63ee30 and 43db1e03c086ed20cc75808d3f45e780ec4ca26e 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: 3074ae5026fd5807c20286582e78b2e084f2595ae2421850a33e337b9dd02a6d all runs: crashed: WARNING in md_alloc representative crash: WARNING in md_alloc, types: [WARNING] testing current HEAD 43db1e03c086ed20cc75808d3f45e780ec4ca26e testing commit 43db1e03c086ed20cc75808d3f45e780ec4ca26e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 49d58ec3c3ee1ba89e323f7b30297930c3e2569f5292128ee3d080ee49f6f6d1 all runs: OK false negative chance: 0.000 # git bisect start 43db1e03c086ed20cc75808d3f45e780ec4ca26e 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 117519 revisions left to test after this (roughly 17 steps) [a5c95ca18a98d742d0a4a04063c32556b5b66378] Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit a5c95ca18a98d742d0a4a04063c32556b5b66378 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 39ef73e8c1dd9f5d304b5a7a48dbaa9cd05f369bce7e5d57cb2e70813eba8b7b all runs: OK false negative chance: 0.000 # git bisect bad a5c95ca18a98d742d0a4a04063c32556b5b66378 Bisecting: 59522 revisions left to test after this (roughly 16 steps) [f66e797b407bc03a438d1f05057dc7918bab473f] Merge tag 'riscv-for-linus-5.19-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit f66e797b407bc03a438d1f05057dc7918bab473f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d17f195c23e7e784f16f2df082d3407e3857cd6d73f436f8e26e8c85cbce471c all runs: OK false negative chance: 0.000 # git bisect bad f66e797b407bc03a438d1f05057dc7918bab473f Bisecting: 29723 revisions left to test after this (roughly 15 steps) [a3fc4b1d09d99cdb6a7dbba5a753db15a10b2e9c] Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit a3fc4b1d09d99cdb6a7dbba5a753db15a10b2e9c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4316e7c93a34abb1052501ba21a9cac722f545ada2fb0b57b5af89e520edb144 all runs: OK false negative chance: 0.000 # git bisect bad a3fc4b1d09d99cdb6a7dbba5a753db15a10b2e9c Bisecting: 14855 revisions left to test after this (roughly 14 steps) [adc76fc97bd8bd7236c57569650bbe6f9c2be024] Merge branch 'net-second-round-of-netdevice-refcount-tracking' determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit adc76fc97bd8bd7236c57569650bbe6f9c2be024 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63e4b71ac6d90be315e5a583f88c0d598e50c9419c4f4d32ee80acd7f6e09dd9 run #0: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #1: crashed: general protection fault in kernfs_put_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in skb_release_data run #3: crashed: BUG: corrupted list in driver_deferred_probe_del run #4: crashed: general protection fault in kernfs_put_active run #5: crashed: general protection fault in kernfs_put_active run #6: crashed: general protection fault in sysfs_file_ops run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel paging request in pskb_expand_head, types: [UNKNOWN] # git bisect good adc76fc97bd8bd7236c57569650bbe6f9c2be024 Bisecting: 7432 revisions left to test after this (roughly 13 steps) [6dc69d3d0d18d587ab9d809fe060ba4417cf0279] Merge tag 'driver-core-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 6dc69d3d0d18d587ab9d809fe060ba4417cf0279 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3ac5c70b2c97afa727d4e87f93eeca9e6429dbd518513af3fee70c0554183d55 all runs: OK false negative chance: 0.000 # git bisect bad 6dc69d3d0d18d587ab9d809fe060ba4417cf0279 Bisecting: 3757 revisions left to test after this (roughly 12 steps) [75b950ef6166e4ef52e43e7ec80985c5705f7e81] Revert "drm/amd/display: Fix for otg synchronization logic" determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 75b950ef6166e4ef52e43e7ec80985c5705f7e81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38c0ed7468503341363359bee291b3327f6ed1eb47874f2d6fad30d12bd7cb8a run #0: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #1: crashed: BUG: corrupted list in driver_deferred_probe_del run #2: crashed: BUG: corrupted list in driver_deferred_probe_del run #3: crashed: general protection fault in kernfs_put_active run #4: crashed: BUG: corrupted list in driver_deferred_probe_del run #5: crashed: BUG: corrupted list in device_create run #6: crashed: BUG: corrupted list in device_create run #7: crashed: BUG: corrupted list in driver_deferred_probe_del run #8: OK run #9: OK representative crash: BUG: corrupted list in driver_deferred_probe_del, types: [BUG] # git bisect good 75b950ef6166e4ef52e43e7ec80985c5705f7e81 Bisecting: 1832 revisions left to test after this (roughly 11 steps) [8efd0d9c316af470377894a6a0f9ff63ce18c177] Merge tag '5.17-net-next' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision adc76fc97bd8bd7236c57569650bbe6f9c2be024 crashed and is reachable testing commit 8efd0d9c316af470377894a6a0f9ff63ce18c177 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dccae63cd9c6c7e97b6a98c239c4429b8872321ad0e326d5f7ec9f4411f50886 run #0: crashed: general protection fault in kernfs_put_active run #1: crashed: general protection fault in kernfs_put_active run #2: crashed: general protection fault in kernfs_put_active run #3: crashed: BUG: corrupted list in device_create run #4: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #5: crashed: general protection fault in kernfs_put_active run #6: crashed: general protection fault in kernfs_put_active run #7: crashed: BUG: corrupted list in driver_deferred_probe_del run #8: crashed: general protection fault in sysfs_kf_seq_show run #9: OK representative crash: general protection fault in kernfs_put_active, types: [UNKNOWN] # git bisect good 8efd0d9c316af470377894a6a0f9ff63ce18c177 Bisecting: 916 revisions left to test after this (roughly 10 steps) [fa722ecb93c22f084c9a9913469a940a8f0e1d5b] Merge tag 'mfd-next-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd determine whether the revision contains the guilty commit revision adc76fc97bd8bd7236c57569650bbe6f9c2be024 crashed and is reachable testing commit fa722ecb93c22f084c9a9913469a940a8f0e1d5b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 95f25ff38672b0117be2755592d00fac3b1d6e6931ff055764b1283fac1fb682 run #0: crashed: BUG: corrupted list in bdi_unregister run #1: crashed: BUG: corrupted list in device_create run #2: crashed: general protection fault in kernfs_put_active run #3: crashed: general protection fault in kernfs_put_active run #4: crashed: general protection fault in kernfs_put_active run #5: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #6: crashed: BUG: corrupted list in driver_deferred_probe_del run #7: OK run #8: OK run #9: OK representative crash: general protection fault in kernfs_put_active, types: [UNKNOWN BUG] # git bisect good fa722ecb93c22f084c9a9913469a940a8f0e1d5b Bisecting: 454 revisions left to test after this (roughly 9 steps) [f69212114220edf8372867088b97b47760b6839d] Merge tag 'for-linus-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit f69212114220edf8372867088b97b47760b6839d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 628e9f4308cb1ebe84937bc1484fc9d3fbbd6d591d4207a346525fc3f04dc3c0 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in bdi_unregister run #1: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #2: crashed: BUG: unable to handle kernel paging request in kernfs_fop_open run #3: crashed: BUG: corrupted list in device_create run #4: crashed: general protection fault in kernfs_put_active run #5: crashed: BUG: corrupted list in driver_deferred_probe_del run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in skb_release_data run #7: crashed: general protection fault in kernfs_put_active run #8: crashed: BUG: unable to handle kernel paging request in kernfs_fop_open run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in bdi_unregister, types: [UNKNOWN] # git bisect good f69212114220edf8372867088b97b47760b6839d Bisecting: 196 revisions left to test after this (roughly 8 steps) [d3c810803576d867265277df8e94eee386351c9d] Merge tag 'for-5.17/block-2022-01-11' of git://git.kernel.dk/linux-block determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit d3c810803576d867265277df8e94eee386351c9d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eeb3291f324bc641c953952a18be12e19855b22416aeec8b83abe78110f2b3cf all runs: OK false negative chance: 0.000 # git bisect bad d3c810803576d867265277df8e94eee386351c9d Bisecting: 128 revisions left to test after this (roughly 7 steps) [1163010418a7f0c60c309743498cb6c5cd828ecc] docs: sysfs-block: document stable_writes determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 1163010418a7f0c60c309743498cb6c5cd828ecc gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 99bcaf4239383a7c630e2f4f7e6a75530a76510cb697852e9f73b324a10b82e5 all runs: OK false negative chance: 0.000 # git bisect bad 1163010418a7f0c60c309743498cb6c5cd828ecc Bisecting: 64 revisions left to test after this (roughly 6 steps) [d538ea4cb8e7241af8091eee30483fabf64444a5] block: return the io_context from create_task_io_context determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit d538ea4cb8e7241af8091eee30483fabf64444a5 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 45b6e2b9bf23cd588b6287ea6625dfc7d065746c76ed99e560877d83ea1acf06 run #0: crashed: BUG: corrupted list in bdi_unregister run #1: crashed: general protection fault in kernfs_put_active run #2: crashed: general protection fault in kernfs_put_active run #3: crashed: BUG: corrupted list in device_create_groups_vargs run #4: crashed: general protection fault in kernfs_put_active run #5: crashed: BUG: unable to handle kernel paging request in kernfs_fop_open run #6: crashed: BUG: corrupted list in driver_deferred_probe_del run #7: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #8: crashed: BUG: unable to handle kernel paging request in __alloc_skb run #9: OK representative crash: general protection fault in kernfs_put_active, types: [UNKNOWN BUG] # git bisect good d538ea4cb8e7241af8091eee30483fabf64444a5 Bisecting: 32 revisions left to test after this (roughly 5 steps) [62451a2b2e7ea17c4a547ada6a5deebf8787a27a] nvme: separate command prep and issue determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 62451a2b2e7ea17c4a547ada6a5deebf8787a27a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bd731950ff7b5e0a85df6718091eef0022cf28ed596c50866ee3a0eaaa57c433 run #0: crashed: BUG: unable to handle kernel paging request in kernfs_fop_open run #1: crashed: general protection fault in kernfs_put_active run #2: crashed: BUG: unable to handle kernel paging request in kernfs_fop_open run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in skb_release_data run #4: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #5: crashed: BUG: corrupted list in bdi_unregister run #6: crashed: BUG: unable to handle kernel paging request in __alloc_skb run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in skb_release_data run #8: OK run #9: OK representative crash: BUG: unable to handle kernel paging request in kernfs_fop_open, types: [UNKNOWN] # git bisect good 62451a2b2e7ea17c4a547ada6a5deebf8787a27a Bisecting: 16 revisions left to test after this (roughly 4 steps) [37e11c3616f6182b6bd7f95a04df035b43464f39] block: call blk_exit_queue() before freeing q->stats determine whether the revision contains the guilty commit revision 62451a2b2e7ea17c4a547ada6a5deebf8787a27a crashed and is reachable testing commit 37e11c3616f6182b6bd7f95a04df035b43464f39 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2e597c4cdc01ccce08151c7a7c51356d3a9509424e05d9926776fa8bb537ac9 run #0: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #1: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #2: crashed: general protection fault in kernfs_put_active run #3: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #4: crashed: general protection fault in kernfs_put_active run #5: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #6: crashed: BUG: corrupted list in device_create_groups_vargs run #7: crashed: BUG: unable to handle kernel paging request in pskb_expand_head run #8: OK run #9: OK representative crash: BUG: unable to handle kernel paging request in pskb_expand_head, types: [UNKNOWN] # git bisect good 37e11c3616f6182b6bd7f95a04df035b43464f39 Bisecting: 8 revisions left to test after this (roughly 3 steps) [3764fd05e1f89530e2ee5cbff0b638f2b1141b90] block: introduce rq_list_for_each_safe macro determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 3764fd05e1f89530e2ee5cbff0b638f2b1141b90 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf50f1d0c5d9579430cab028af32f6f44b06ced902588e14b8000b1a1a93e39e all runs: OK false negative chance: 0.000 # git bisect bad 3764fd05e1f89530e2ee5cbff0b638f2b1141b90 Bisecting: 3 revisions left to test after this (roughly 2 steps) [6fd3c510ee4b37f2f9fe3d3cafbfa459e15c5e11] bio.h: fix kernel-doc warnings determine whether the revision contains the guilty commit revision 62451a2b2e7ea17c4a547ada6a5deebf8787a27a crashed and is reachable testing commit 6fd3c510ee4b37f2f9fe3d3cafbfa459e15c5e11 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be5de74dc83d1b8091fe66ebe27027aabdb5e8e8d023c48b656ed559b5814b12 all runs: OK false negative chance: 0.000 # git bisect bad 6fd3c510ee4b37f2f9fe3d3cafbfa459e15c5e11 Bisecting: 1 revision left to test after this (roughly 1 step) [37ae5a0f5287a52cf51242e76ccf198d02ffe495] block: use "unsigned long" for blk_validate_block_size(). determine whether the revision contains the guilty commit revision 62451a2b2e7ea17c4a547ada6a5deebf8787a27a crashed and is reachable testing commit 37ae5a0f5287a52cf51242e76ccf198d02ffe495 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2424bbd58cba720b69ef52c1655631420fe3e25c6a667107e22851c439fe7a2 all runs: OK false negative chance: 0.000 # git bisect bad 37ae5a0f5287a52cf51242e76ccf198d02ffe495 Bisecting: 0 revisions left to test after this (roughly 0 steps) [99d8690aae4b2f0d1d90075de355ac087f820a66] block: fix error unwinding in device_add_disk determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 99d8690aae4b2f0d1d90075de355ac087f820a66 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9277d93fdd14a5b3479d0132ac14fd3da8bfb5bf369003fbaac7960ed0775749 run #0: crashed: lost connection to test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: lost connection to test machine, types: [UNKNOWN] # git bisect good 99d8690aae4b2f0d1d90075de355ac087f820a66 37ae5a0f5287a52cf51242e76ccf198d02ffe495 is the first bad commit commit 37ae5a0f5287a52cf51242e76ccf198d02ffe495 Author: Tetsuo Handa Date: Sat Dec 18 18:41:56 2021 +0900 block: use "unsigned long" for blk_validate_block_size(). Since lo_simple_ioctl(LOOP_SET_BLOCK_SIZE) and ioctl(NBD_SET_BLKSIZE) pass user-controlled "unsigned long arg" to blk_validate_block_size(), "unsigned long" should be used for validation. Signed-off-by: Tetsuo Handa Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/9ecbf057-4375-c2db-ab53-e4cc0dff953d@i-love.sakura.ne.jp Signed-off-by: Jens Axboe include/linux/blkdev.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: c2424bbd58cba720b69ef52c1655631420fe3e25c6a667107e22851c439fe7a2 parent signature: 9277d93fdd14a5b3479d0132ac14fd3da8bfb5bf369003fbaac7960ed0775749 reproducer is flaky (0.43 repro chance estimate) revisions tested: 27, total time: 8h34m18.863905278s (build: 3h7m41.961145031s, test: 5h4m19.117170336s) first good commit: 37ae5a0f5287a52cf51242e76ccf198d02ffe495 block: use "unsigned long" for blk_validate_block_size(). recipients (to): ["axboe@kernel.dk" "hch@lst.de" "penguin-kernel@i-love.sakura.ne.jp"] recipients (cc): []