ci starts bisection 2023-09-02 18:25:31.671512258 +0000 UTC m=+173712.202048079 bisecting cause commit starting from b84acc11b1c9552c9ca3a099b1610a6018619332 building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit b84acc11b1c9552c9ca3a099b1610a6018619332 testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5adff5644fba332e60ff5dc849d7b61492596d55abb752d5df86db41c303101 run #0: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc009350280] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0093503c0] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc009350500] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #3: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc009350be0] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #4: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000a56280] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #5: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0008fe0a0] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #6: crashed: general protection fault in rfkill_register run #7: crashed: general protection fault in rfkill_register run #8: crashed: general protection fault in rfkill_register run #9: crashed: general protection fault in rfkill_register run #10: crashed: general protection fault in rfkill_register run #11: crashed: general protection fault in rfkill_register run #12: crashed: general protection fault in rfkill_register run #13: crashed: general protection fault in rfkill_register run #14: crashed: general protection fault in rfkill_register run #15: crashed: general protection fault in rfkill_register run #16: crashed: general protection fault in rfkill_register run #17: crashed: general protection fault in rfkill_register run #18: crashed: general protection fault in rfkill_register run #19: crashed: general protection fault in rfkill_register representative crash: general protection fault in rfkill_register, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8bb84ab38ff490822935afddccd1c08b6567d165b2910110be3cc4b40a8d48fd all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3883 full=7681 leaves diff=2016 split chunks (needed=false): <2016> split chunk #0 of len 2016 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55cdb1de004483f2cfc195bb25b0b4dda2d9a346a119bab59ff4e443548498a3 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1c572e0129e4fbd2b45a21ba31d3c73f36a797ca331fe0e2a149f2429b4a0247 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, 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 b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63492831f0977213897475d1abaa8459524be69620e030051d81327677d4f94b all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90d8d80fabccc1bf4e51ef4670fb0e948a5f955f90c1bff5608a8cc5f5e6d697 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 582f836849de600d483d264c37403faadf8cc0e59ac702a951bb4d03e2184ebd all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] the chunk can be dropped minimized to 404 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE FSCACHE HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS 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_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 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE 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 MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK 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_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_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI] disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed picked [%!d(string=v6.5) %!d(string=v6.4) %!d(string=v6.3) %!d(string=v6.1) %!d(string=v5.19) %!d(string=v5.17) %!d(string=v5.15) %!d(string=v5.13) %!d(string=v5.10) %!d(string=v5.7) %!d(string=v5.4) %!d(string=v5.1) %!d(string=v4.19)] out of %!d(MISSING) 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: 4c79cec2941954153ef0fa8d1d2ae5be3453b8c0f73ebcaa27e9a0d72516c11f all runs: OK false negative chance: 0.000 # git bisect start b84acc11b1c9552c9ca3a099b1610a6018619332 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 5182 revisions left to test after this (roughly 12 steps) [53ea7f624fb91074c2f9458832ed74975ee5d64c] Merge tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit 53ea7f624fb91074c2f9458832ed74975ee5d64c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f757b0ef30b501901d710b0dab848031a6bff909b84cd66df31744d2fbde4a83 all runs: OK false negative chance: 0.000 # git bisect good 53ea7f624fb91074c2f9458832ed74975ee5d64c Bisecting: 2797 revisions left to test after this (roughly 11 steps) [a1c19328a160c80251868dbd80066dce23d07995] Merge tag 'soc-arm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit a1c19328a160c80251868dbd80066dce23d07995 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0e810ce3ff73ac218baa08f4934fb3f7a5368770f0dcb046046a9b686b34362 all runs: OK false negative chance: 0.000 # git bisect good a1c19328a160c80251868dbd80066dce23d07995 Bisecting: 1379 revisions left to test after this (roughly 11 steps) [ec0e2dc81072300acbda5deca2e02f98485eafa9] Merge tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio testing commit ec0e2dc81072300acbda5deca2e02f98485eafa9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d9d9e692b9ea055f9cb8579bbb61eb6fae6e0e53e6e76143a9534d2a7560cc00 all runs: OK false negative chance: 0.000 # git bisect good ec0e2dc81072300acbda5deca2e02f98485eafa9 Bisecting: 758 revisions left to test after this (roughly 10 steps) [e2c874f999f079e3ec9b8071e92c87d57aded3b6] Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit e2c874f999f079e3ec9b8071e92c87d57aded3b6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 982e2156fb75c4239864fa39ee33770e8f785f2482e8c875e3dfafd0d2b98833 all runs: OK false negative chance: 0.000 # git bisect good e2c874f999f079e3ec9b8071e92c87d57aded3b6 Bisecting: 324 revisions left to test after this (roughly 9 steps) [8e1e49550dc85694abd04d86a8ee36bc98bd8b9e] Merge tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit 8e1e49550dc85694abd04d86a8ee36bc98bd8b9e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3b93cdb31130e4a52e688601e8779eb7f64363531bad1a9aae71c0cfa8caa434 all runs: OK false negative chance: 0.000 # git bisect good 8e1e49550dc85694abd04d86a8ee36bc98bd8b9e Bisecting: 163 revisions left to test after this (roughly 7 steps) [b587cb726467a9d1c62b4b61c284966fe677c040] fsi: i2cr: Switch to use struct i2c_driver's .probe() testing commit b587cb726467a9d1c62b4b61c284966fe677c040 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48d9babcfbbb661944004df2fd856ca1207b70adbefc55c2082f59786d2a7316 all runs: OK false negative chance: 0.000 # git bisect good b587cb726467a9d1c62b4b61c284966fe677c040 Bisecting: 89 revisions left to test after this (roughly 6 steps) [eb176cb46191f20314878222d8186106e23cb711] nvmem: core: Notify when a new layout is registered testing commit eb176cb46191f20314878222d8186106e23cb711 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 367ac13f44942cb7c1cdf725529ac3058a8dbfc1a1c30bc5777ab4f865750fb5 all runs: OK false negative chance: 0.000 # git bisect good eb176cb46191f20314878222d8186106e23cb711 Bisecting: 44 revisions left to test after this (roughly 6 steps) [3a60e2a1c8a6eaa38336d798c23ab6dcb61b5cc2] Merge branch 'icc-retire-macros' into icc-next testing commit 3a60e2a1c8a6eaa38336d798c23ab6dcb61b5cc2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 028b893143ca00f9b955b1059fc2429c339b6a0f5ac1e373cf0e8844094dc497 all runs: OK false negative chance: 0.000 # git bisect good 3a60e2a1c8a6eaa38336d798c23ab6dcb61b5cc2 Bisecting: 22 revisions left to test after this (roughly 5 steps) [bbaee49cce7c815d1bd6d95b6020b5fe33ba561a] docs: stable-kernel-rules: mention that regressions must be prevented testing commit bbaee49cce7c815d1bd6d95b6020b5fe33ba561a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e052bd5b1fe1bdf093e43181cd8618803bf2ccf2950a49ffa1241c8dbaa182f5 all runs: OK false negative chance: 0.000 # git bisect good bbaee49cce7c815d1bd6d95b6020b5fe33ba561a Bisecting: 11 revisions left to test after this (roughly 4 steps) [28a4f91f5f251689c69155bc6a0b1afc9916c874] Merge tag 'driver-core-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core testing commit 28a4f91f5f251689c69155bc6a0b1afc9916c874 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ea7a16a4d11801f754ccf66ca9df9ef4379c19b392c8d802e3ee3e2ab32de56 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] # git bisect bad 28a4f91f5f251689c69155bc6a0b1afc9916c874 Bisecting: 5 revisions left to test after this (roughly 3 steps) [f71b144e3e7a490d9140045680b7025382fb33b5] drivers: base: test: Add missing MODULE_* macros for platform devices tests testing commit f71b144e3e7a490d9140045680b7025382fb33b5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92bc11f1dce086f975d6d4bbc4213e4fa6a03795d6a246f1efbce13f04e4b45d all runs: OK false negative chance: 0.000 # git bisect good f71b144e3e7a490d9140045680b7025382fb33b5 Bisecting: 2 revisions left to test after this (roughly 2 steps) [1b28cb81dab7c1eedc6034206f4e8d644046ad31] kobject: Remove redundant checks for whether ktype is NULL testing commit 1b28cb81dab7c1eedc6034206f4e8d644046ad31 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f34be3bf453bcc21dc92f5f3f190572f8e8993d935627e398cf86f45cbea337c all runs: OK false negative chance: 0.000 # git bisect good 1b28cb81dab7c1eedc6034206f4e8d644046ad31 Bisecting: 0 revisions left to test after this (roughly 1 step) [29c8ab79e91d35b93cfab87bf67a11516f7b2051] driver core: Call in reversed order in device_platform_notify_remove() testing commit 29c8ab79e91d35b93cfab87bf67a11516f7b2051 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e1247fdde3492df0cce548e382799dfd498fc222dba7aea1a1880a020c15503 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] # git bisect bad 29c8ab79e91d35b93cfab87bf67a11516f7b2051 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d21fdd07cea418c0d98c8a15fc95b8b8970801e7] driver core: Return proper error code when dev_set_name() fails testing commit d21fdd07cea418c0d98c8a15fc95b8b8970801e7 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0bb8da64dbce00e4d6d42e9541abbe89acd0a0df08a04289cfc370f6761669ed all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rfkill_register representative crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register, types: [UNKNOWN] # git bisect bad d21fdd07cea418c0d98c8a15fc95b8b8970801e7 d21fdd07cea418c0d98c8a15fc95b8b8970801e7 is the first bad commit commit d21fdd07cea418c0d98c8a15fc95b8b8970801e7 Author: Andy Shevchenko Date: Thu Aug 17 12:12:21 2023 +0300 driver core: Return proper error code when dev_set_name() fails Whe device_add() tries to assign a device name with help of dev_set_name() the error path explicitly uses -EINVAL, while the function may return something different. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230817091221.463721-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman drivers/base/core.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) accumulated error probability: 0.00 culprit signature: 0bb8da64dbce00e4d6d42e9541abbe89acd0a0df08a04289cfc370f6761669ed parent signature: f34be3bf453bcc21dc92f5f3f190572f8e8993d935627e398cf86f45cbea337c revisions tested: 22, total time: 9h26m10.705686269s (build: 5h37m48.75648185s, test: 3h27m16.931662705s) first bad commit: d21fdd07cea418c0d98c8a15fc95b8b8970801e7 driver core: Return proper error code when dev_set_name() fails recipients (to): ["andriy.shevchenko@linux.intel.com" "gregkh@linuxfoundation.org" "gregkh@linuxfoundation.org" "linux-kernel@vger.kernel.org"] recipients (cc): ["rafael@kernel.org"] crash: BUG: unable to handle kernel NULL pointer dereference in rfkill_register RSP: 002b:00007ff2656f90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff265c95f80 RCX: 00007ff265b76ae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: ffffffffffffff9c RBP: 00007ff2656f9120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007ff265c95f80 R15: 00007ffe46122dc8 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 101f1c067 P4D 101f1c067 PUD 106fe1067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 3392 Comm: syz-executor.0 Not tainted 6.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:strchr+0x4/0x30 lib/string.c:329 Code: c0 eb 0d 84 c9 74 18 48 83 c0 01 48 39 d0 74 0f 0f b6 0c 07 3a 0c 06 74 ea 19 c0 83 c8 01 c3 31 c0 c3 0f 1f 40 00 f3 0f 1e fa <0f> b6 07 89 f2 40 38 f0 75 0e eb 13 0f b6 47 01 48 83 c7 01 38 d0 RSP: 0018:ffffc90001a7ba30 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888101b41b40 RSI: 0000000000000025 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90001a7ba80 R13: 0000000000000cc0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff2656f96c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000101f73000 CR4: 0000000000350ee0 Call Trace: kvasprintf_const+0x25/0x110 lib/kasprintf.c:45 kobject_set_name_vargs+0x40/0xd0 lib/kobject.c:272 kobject_add_varg lib/kobject.c:366 [inline] kobject_add+0xaf/0x140 lib/kobject.c:424 device_add+0x153/0xd40 drivers/base/core.c:3562 rfkill_register+0xf5/0x3d0 net/rfkill/core.c:1070 nfc_register_device+0xda/0x210 net/nfc/core.c:1132 nci_register_device+0x3b8/0x450 net/nfc/nci/core.c:1257 virtual_ncidev_open+0xaa/0x110 drivers/nfc/virtual_ncidev.c:148 misc_open+0x1dc/0x200 drivers/char/misc.c:165 chrdev_open+0x122/0x330 fs/char_dev.c:414 do_dentry_open+0x371/0x8b0 fs/open.c:914 do_open fs/namei.c:3636 [inline] path_openat+0xdb2/0x1350 fs/namei.c:3793 do_filp_open+0xd1/0x1c0 fs/namei.c:3820 do_sys_openat2+0xf4/0x150 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0xaf/0x100 fs/open.c:1433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff265b76ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff2656f90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff265c95f80 RCX: 00007ff265b76ae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: ffffffffffffff9c RBP: 00007ff2656f9120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007ff265c95f80 R15: 00007ffe46122dc8 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:strchr+0x4/0x30 lib/string.c:329 Code: c0 eb 0d 84 c9 74 18 48 83 c0 01 48 39 d0 74 0f 0f b6 0c 07 3a 0c 06 74 ea 19 c0 83 c8 01 c3 31 c0 c3 0f 1f 40 00 f3 0f 1e fa <0f> b6 07 89 f2 40 38 f0 75 0e eb 13 0f b6 47 01 48 83 c7 01 38 d0 RSP: 0018:ffffc90001a7ba30 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888101b41b40 RSI: 0000000000000025 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90001a7ba80 R13: 0000000000000cc0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff2656f96c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000101f73000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess): 0: c0 eb 0d shr $0xd,%bl 3: 84 c9 test %cl,%cl 5: 74 18 je 0x1f 7: 48 83 c0 01 add $0x1,%rax b: 48 39 d0 cmp %rdx,%rax e: 74 0f je 0x1f 10: 0f b6 0c 07 movzbl (%rdi,%rax,1),%ecx 14: 3a 0c 06 cmp (%rsi,%rax,1),%cl 17: 74 ea je 0x3 19: 19 c0 sbb %eax,%eax 1b: 83 c8 01 or $0x1,%eax 1e: c3 ret 1f: 31 c0 xor %eax,%eax 21: c3 ret 22: 0f 1f 40 00 nopl 0x0(%rax) 26: f3 0f 1e fa endbr64 * 2a: 0f b6 07 movzbl (%rdi),%eax <-- trapping instruction 2d: 89 f2 mov %esi,%edx 2f: 40 38 f0 cmp %sil,%al 32: 75 0e jne 0x42 34: eb 13 jmp 0x49 36: 0f b6 47 01 movzbl 0x1(%rdi),%eax 3a: 48 83 c7 01 add $0x1,%rdi 3e: 38 d0 cmp %dl,%al