ci starts bisection 2023-10-04 05:23:46.352995376 +0000 UTC m=+78488.629334483 bisecting cause commit starting from c9f2baaa18b5ea8f006a2b3a616da9597c71d15e building syzkaller on 65faba36470e75a1339e6f79c8631c9578786b7b fetch other tags and check if the commit is present ensuring issue is reproducible on original commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 16bd1281ac8d905f15ab7ec6e3200b24dd14b820775c71a5bae592370a450d31 all runs: crashed: general protection fault in lbmStartIO representative crash: general protection fault in lbmStartIO, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc27a37d44fb86f82780b4872de9698ade86567ce8e742fa15787354da8b3275 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed kconfig minimization: base=3883 full=7716 leaves diff=2023 split chunks (needed=false): <2023> split chunk #0 of len 2023 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3dfa9e4f5bf39d49736bf233b2ef8e9ee585c6dda54ffc7649ccc0170e79ac59 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 86196ecd2f15b66554bd681f0b7e58b2c3be0ae95d486de6dcb390b407c8e68f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73c24bef6e6940ad262f3980bef77ba04e750bea8c0cdb6c1efc20f43ad994a8 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2deb904f03c36b5c2bd26423e78e121219311b6dfc771c1c1a4981841635c69 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit c9f2baaa18b5ea8f006a2b3a616da9597c71d15e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ec60fc9006f5e7d02600abf622e4335836375386141c5f454062162a4a1053f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] the chunk can be dropped minimized to 810 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB_CORE FSCACHE GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HSR IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_JOYSTICK INPUT_MOUSE INPUT_TABLET INPUT_TOUCHSCREEN IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SCTP IP_SET IP_VS 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_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LIST_HARDENED LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LRU_GEN LRU_GEN_ENABLED LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_BITMAP_FILE MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_RETU MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MTD_UBI MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_CONNCOUNT NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_IPT NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NET_XGRESS NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON 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 NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS 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_NUMA 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_POOL PAGE_REPORTING PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV 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 PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS 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 RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed picked [v6.5 v6.4 v6.3 v6.1 v5.19 v5.17 v5.15 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 28 release tags testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c49e55ca6388a45b7e88e54208217e8f499ec99ed49d340d80ddc6aab1c4a54 all runs: OK false negative chance: 0.000 # git bisect start c9f2baaa18b5ea8f006a2b3a616da9597c71d15e 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 11753 revisions left to test after this (roughly 14 steps) [5eea5820c7340d39e56e169e1b87199391105f6b] Merge tag 'mm-stable-2023-09-04-14-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 5eea5820c7340d39e56e169e1b87199391105f6b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4db7e53fa087ae79005ff2a11e0c74c4a6a818045a89d03d8f823c8aaf63205e all runs: OK false negative chance: 0.000 # git bisect good 5eea5820c7340d39e56e169e1b87199391105f6b Bisecting: 5131 revisions left to test after this (roughly 13 steps) [72a963d20f6803694e21fb831979efbb65a330f0] Merge branch 'for-next' of https://evilpiepirate.org/git/bcachefs.git testing commit 72a963d20f6803694e21fb831979efbb65a330f0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 44d4cf89e27167af76e4830f2d13d4ae76b93b02547d04f635e28d1a1861cf0f all runs: OK false negative chance: 0.000 # git bisect good 72a963d20f6803694e21fb831979efbb65a330f0 Bisecting: 2360 revisions left to test after this (roughly 11 steps) [9a0879cb0022264752bcdec592da58ad09cc5446] Merge branch 'drm-next' of https://gitlab.freedesktop.org/agd5f/linux testing commit 9a0879cb0022264752bcdec592da58ad09cc5446 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e5990372e12dd1acfe885e65e3bb03da17304c95ea98384bd9b5bfce7b1b5ad all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad 9a0879cb0022264752bcdec592da58ad09cc5446 Bisecting: 1221 revisions left to test after this (roughly 11 steps) [bece9767c434bd31444538b1dd816a94406ea77e] Merge branch 'main' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git testing commit bece9767c434bd31444538b1dd816a94406ea77e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e14640d17bea4e280dcb385e3cbe201b3f1994cceb5955e5deffc45d0981cb79 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad bece9767c434bd31444538b1dd816a94406ea77e Bisecting: 850 revisions left to test after this (roughly 10 steps) [56e194da4768a34c469b645bd32483a6199f5fb5] Merge branch 'master' of git://linuxtv.org/media_tree.git testing commit 56e194da4768a34c469b645bd32483a6199f5fb5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8599f956133cd7b0a32fcbf7b39c4ba287ddc9261d089fa227d236b5a4965b93 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad 56e194da4768a34c469b645bd32483a6199f5fb5 Bisecting: 349 revisions left to test after this (roughly 9 steps) [f78ac270f474b2c9efac231282c0732a6b2a6953] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git testing commit f78ac270f474b2c9efac231282c0732a6b2a6953 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f93b982efdddd0763ddb09c740360d45a9a819604613f1707981ea5912270f91 all runs: OK false negative chance: 0.000 # git bisect good f78ac270f474b2c9efac231282c0732a6b2a6953 Bisecting: 207 revisions left to test after this (roughly 8 steps) [faaa5a57bff189461895ec3d7434d913030ea6f9] Merge branch 'for-next/pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git testing commit faaa5a57bff189461895ec3d7434d913030ea6f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe608c0bdfd0f1b6fba5809a4c886217dce175fd49f6a17114ae22e0cfaa278c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad faaa5a57bff189461895ec3d7434d913030ea6f9 Bisecting: 69 revisions left to test after this (roughly 6 steps) [bf943a1c5ba43e26ee526629f150271da3fa73f8] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git testing commit bf943a1c5ba43e26ee526629f150271da3fa73f8 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1da27e8f5243a57c1a752f95c42bcf1f9dbbb3629064cc4ec2b1e98ab8026d39 run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc003ac5720 0xc003ac59f0 0xc003ac5ae0] 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: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad bf943a1c5ba43e26ee526629f150271da3fa73f8 Bisecting: 35 revisions left to test after this (roughly 5 steps) [e354a736cb5a0ae8da667850277ac83496122983] Merge branch 'vfs.iov_iter' into vfs.all testing commit e354a736cb5a0ae8da667850277ac83496122983 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7775f588c34037fab7fe0a96d456bb1e1b4172193a591c354be4c2f24a1a5dfb all runs: OK false negative chance: 0.000 # git bisect good e354a736cb5a0ae8da667850277ac83496122983 Bisecting: 17 revisions left to test after this (roughly 4 steps) [4e487e32e4fbd82c101363c24c0058c5feb398cd] PM: hibernate: Drop unused snapshot_test argument testing commit 4e487e32e4fbd82c101363c24c0058c5feb398cd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5101b9d5ece3c634ec92a908ca57574964dc8b11665ba47e375bb0a6b940976f all runs: OK false negative chance: 0.000 # git bisect good 4e487e32e4fbd82c101363c24c0058c5feb398cd Bisecting: 8 revisions left to test after this (roughly 3 steps) [46225d060e4916aece1b2e31d47c507687f48504] ocfs2: Convert to use bdev_open_by_dev() testing commit 46225d060e4916aece1b2e31d47c507687f48504 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2e3654085bce2046f21e4565bc8e91de7450d2a5e524805b0f28ef3f6bc7b9db all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad 46225d060e4916aece1b2e31d47c507687f48504 Bisecting: 4 revisions left to test after this (roughly 2 steps) [aee72a9c23a6e40e206744999b8f11691c9b4cbb] erofs: Convert to use bdev_open_by_path() testing commit aee72a9c23a6e40e206744999b8f11691c9b4cbb gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9d5c3d8c92878810d1c9e046e8d1b931aa7eae5537c9d81e112a169f2f90e17b all runs: OK false negative chance: 0.000 # git bisect good aee72a9c23a6e40e206744999b8f11691c9b4cbb Bisecting: 2 revisions left to test after this (roughly 1 step) [d88773835c5635b100f71d89fda8bbc5fdf34370] f2fs: Convert to bdev_open_by_dev/path() testing commit d88773835c5635b100f71d89fda8bbc5fdf34370 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 29bf6ffa64a3607a6611dab843fd1de69b564a7f535a44bcb4675689a800b85c all runs: OK false negative chance: 0.000 # git bisect good d88773835c5635b100f71d89fda8bbc5fdf34370 Bisecting: 0 revisions left to test after this (roughly 1 step) [71f053b465be33112a8bafde1e0bf8fd85a7f3a2] nfs/blocklayout: Convert to use bdev_open_by_dev/path() testing commit 71f053b465be33112a8bafde1e0bf8fd85a7f3a2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bfd64ecb21028bb75eabf8165b50f621319c88c23337235e6748c6339bc70625 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad 71f053b465be33112a8bafde1e0bf8fd85a7f3a2 Bisecting: 0 revisions left to test after this (roughly 0 steps) [bacfceeda53ea9ee9af714245e6c67aa70632b63] jfs: Convert to bdev_open_by_dev() testing commit bacfceeda53ea9ee9af714245e6c67aa70632b63 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 524d0313cfdbeb69d049ad5044657ade0664763d8b4d560f5481e9eab6a51269 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO representative crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO, types: [UNKNOWN] # git bisect bad bacfceeda53ea9ee9af714245e6c67aa70632b63 bacfceeda53ea9ee9af714245e6c67aa70632b63 is the first bad commit commit bacfceeda53ea9ee9af714245e6c67aa70632b63 Author: Jan Kara Date: Wed Sep 27 11:34:30 2023 +0200 jfs: Convert to bdev_open_by_dev() Convert jfs to use bdev_open_by_dev() and pass the handle around. CC: Dave Kleikamp CC: jfs-discussion@lists.sourceforge.net Acked-by: Christoph Hellwig Acked-by: Dave Kleikamp Reviewed-by: Christian Brauner Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20230927093442.25915-24-jack@suse.cz Signed-off-by: Christian Brauner fs/jfs/jfs_logmgr.c | 29 +++++++++++++++-------------- fs/jfs/jfs_logmgr.h | 2 +- fs/jfs/jfs_mount.c | 3 ++- 3 files changed, 18 insertions(+), 16 deletions(-) accumulated error probability: 0.00 culprit signature: 524d0313cfdbeb69d049ad5044657ade0664763d8b4d560f5481e9eab6a51269 parent signature: 29bf6ffa64a3607a6611dab843fd1de69b564a7f535a44bcb4675689a800b85c revisions tested: 23, total time: 7h24m6.1810523s (build: 4h17m38.099337061s, test: 2h49m40.722398811s) first bad commit: bacfceeda53ea9ee9af714245e6c67aa70632b63 jfs: Convert to bdev_open_by_dev() recipients (to): ["brauner@kernel.org" "dave.kleikamp@oracle.com" "hch@lst.de" "jack@suse.cz"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in lbmStartIO BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 105fdf067 P4D 105fdf067 PUD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 3433 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:bio_alloc include/linux/bio.h:432 [inline] RIP: 0010:lbmStartIO+0x4d/0x120 fs/jfs/jfs_logmgr.c:2116 Code: ff 83 fb 03 0f 8f c9 00 00 00 e8 0e c0 85 ff 49 8b 44 24 20 b9 40 0c 00 00 49 c7 c0 20 9f 05 86 ba 01 08 00 00 be 01 00 00 00 <48> 8b 38 e8 8b 54 25 00 ba 00 10 00 00 48 89 c3 41 8b 44 24 3c 48 RSP: 0018:ffffc90002a4fc40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000c40 RDX: 0000000000000801 RSI: 0000000000000001 RDI: 0000000000000005 RBP: ffff888100ec69c0 R08: ffffffff86059f20 R09: 0000000000000003 R10: 0000000000000002 R11: 0000000000000003 R12: ffff888110846800 R13: 0000000000000000 R14: 0000000000000046 R15: 0000000000000002 FS: 0000555555893480(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010e35b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lbmWrite+0x187/0x200 fs/jfs/jfs_logmgr.c:2067 lmNextPage.isra.0+0xb6/0x1d0 fs/jfs/jfs_logmgr.c:616 lmWriteRecord+0x548/0x6d0 fs/jfs/jfs_logmgr.c:529 lmLogSync+0xc5/0x340 fs/jfs/jfs_logmgr.c:969 jfs_syncpt+0x61/0x70 fs/jfs/jfs_logmgr.c:1041 jfs_sync_fs+0x48/0x60 fs/jfs/super.c:685 sync_filesystem+0x64/0xf0 fs/sync.c:56 generic_shutdown_super+0x34/0x170 fs/super.c:666 kill_block_super+0x1d/0x50 fs/super.c:1649 deactivate_locked_super+0x4a/0xe0 fs/super.c:481 deactivate_super fs/super.c:514 [inline] deactivate_super+0x9c/0xb0 fs/super.c:510 cleanup_mnt+0x109/0x1e0 fs/namespace.c:1254 task_work_run+0x8f/0xe0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x193/0x1a0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f881e07de17 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffcf38d9158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f881e07de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffcf38d9210 RBP: 00007ffcf38d9210 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcf38da2d0 R13: 00007f881e0c73b9 R14: 0000000000010ee6 R15: 0000000000000001 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:bio_alloc include/linux/bio.h:432 [inline] RIP: 0010:lbmStartIO+0x4d/0x120 fs/jfs/jfs_logmgr.c:2116 Code: ff 83 fb 03 0f 8f c9 00 00 00 e8 0e c0 85 ff 49 8b 44 24 20 b9 40 0c 00 00 49 c7 c0 20 9f 05 86 ba 01 08 00 00 be 01 00 00 00 <48> 8b 38 e8 8b 54 25 00 ba 00 10 00 00 48 89 c3 41 8b 44 24 3c 48 RSP: 0018:ffffc90002a4fc40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000c40 RDX: 0000000000000801 RSI: 0000000000000001 RDI: 0000000000000005 RBP: ffff888100ec69c0 R08: ffffffff86059f20 R09: 0000000000000003 R10: 0000000000000002 R11: 0000000000000003 R12: ffff888110846800 R13: 0000000000000000 R14: 0000000000000046 R15: 0000000000000002 FS: 0000555555893480(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010e35b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 83 fb 03 cmp $0x3,%ebx 3: 0f 8f c9 00 00 00 jg 0xd2 9: e8 0e c0 85 ff call 0xff85c01c e: 49 8b 44 24 20 mov 0x20(%r12),%rax 13: b9 40 0c 00 00 mov $0xc40,%ecx 18: 49 c7 c0 20 9f 05 86 mov $0xffffffff86059f20,%r8 1f: ba 01 08 00 00 mov $0x801,%edx 24: be 01 00 00 00 mov $0x1,%esi * 29: 48 8b 38 mov (%rax),%rdi <-- trapping instruction 2c: e8 8b 54 25 00 call 0x2554bc 31: ba 00 10 00 00 mov $0x1000,%edx 36: 48 89 c3 mov %rax,%rbx 39: 41 8b 44 24 3c mov 0x3c(%r12),%eax 3e: 48 rex.W