ci starts bisection 2023-08-25 20:10:29.586270649 +0000 UTC m=+39345.292383795 bisecting cause commit starting from 6269320850097903b30be8f07a5c61d9f7592393 building syzkaller on 03d9c195daed8fca30b642783f35657aa7e32209 ensuring issue is reproducible on original commit 6269320850097903b30be8f07a5c61d9f7592393 testing commit 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3b2c096e83e59dd7013eb89f9fd2251e8bfdaf6134f83bec4dfe22034dde4d07 all runs: crashed: general protection fault in nfc_register_device representative crash: general protection fault in nfc_register_device, 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 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e62790820c4af230325f717d4a01c7f047720d34ea78ce3f6a4577856e5f50e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, 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=7693 leaves diff=2019 split chunks (needed=false): <2019> split chunk #0 of len 2019 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 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 036d11726cf886e059dd60b7f9c27f972c11b850e04f9049541c94a1503f3149 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1f27d881cf7b1f2b306203468524857c9be4ee9b83d1a0dadf430be6ef8181ce all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1847351bbeb58bcd2be92b6d22103f0166883520444b709ba453d848c7bfeba9 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ef3e7d54d9294ed0dd8c05f23faa028f327d0278187171c5ed4bc9b437caae7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 6269320850097903b30be8f07a5c61d9f7592393 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 14578bbc0182f564f91d60bc6afd49e41b950c127b9da4413733e538600b4fca all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [%!d(string=v6.4) %!d(string=v6.3) %!d(string=v6.2) %!d(string=v6.0) %!d(string=v5.18) %!d(string=v5.16) %!d(string=v5.14) %!d(string=v5.12) %!d(string=v5.9) %!d(string=v5.6) %!d(string=v5.3) %!d(string=v5.0) %!d(string=v4.19)] out of %!d(MISSING) release tags testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e04732afa645a7fcc7f32a20a49aa77f3fecdbb4bf2a2bfb273bec2416a8147 all runs: OK false negative chance: 0.000 # git bisect start 6269320850097903b30be8f07a5c61d9f7592393 6995e2de6891c724bfeb2db33d7b87775f913ad1 Bisecting: 13708 revisions left to test after this (roughly 14 steps) [43fbd506498aefb696e4e338a517883fbd8b39ce] Merge tag 'iio-for-6.6a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next testing commit 43fbd506498aefb696e4e338a517883fbd8b39ce gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e84e2166e68de06aae312f8b07e98b27c7e20c048a03003c91086cfda6346cd all runs: OK false negative chance: 0.000 # git bisect good 43fbd506498aefb696e4e338a517883fbd8b39ce Bisecting: 6305 revisions left to test after this (roughly 13 steps) [0c8f01b0c3c16b0a0983030ed3282974fc17e972] Merge branch 'main' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git testing commit 0c8f01b0c3c16b0a0983030ed3282974fc17e972 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 950559c1626c8757db666e85d9dd2650f65408bae4a04360cfa4aa7690ac4d59 all runs: OK false negative chance: 0.000 # git bisect good 0c8f01b0c3c16b0a0983030ed3282974fc17e972 Bisecting: 3176 revisions left to test after this (roughly 12 steps) [08f633fb57b32b05bc5bde5472443004c92cb39e] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git testing commit 08f633fb57b32b05bc5bde5472443004c92cb39e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac1a3451b5e2f55272ecc0888613d2e2ac44e8423a435c8baf5f8de3fafff898 all runs: OK false negative chance: 0.000 # git bisect good 08f633fb57b32b05bc5bde5472443004c92cb39e Bisecting: 1613 revisions left to test after this (roughly 11 steps) [29e2338674187230c23110f4a5ea7308c6c71e30] Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial.git testing commit 29e2338674187230c23110f4a5ea7308c6c71e30 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5daffd422f49089a7a845a5dc47d1dffe894a1790c1d62a06680d60ad2d8afa8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, types: [UNKNOWN] # git bisect bad 29e2338674187230c23110f4a5ea7308c6c71e30 Bisecting: 790 revisions left to test after this (roughly 10 steps) [07a281ad1e11ca1026678bbad27a236d759898f0] Merge branch 'irq/irqchip-next' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git testing commit 07a281ad1e11ca1026678bbad27a236d759898f0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7145482fb10bbb4c3a4fb28ab9f5e66267a26eea5a7042afc1e6004cd121512b all runs: OK false negative chance: 0.000 # git bisect good 07a281ad1e11ca1026678bbad27a236d759898f0 Bisecting: 381 revisions left to test after this (roughly 9 steps) [637d033f469b7988999b13bf007f4474b6a0af89] Merge branch 'next' of https://github.com/kvm-x86/linux.git testing commit 637d033f469b7988999b13bf007f4474b6a0af89 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cff99ac1d1c676c10060d5c8c4d97fab03a05a3214c5d72713ea1cffc771015a all runs: OK false negative chance: 0.000 # git bisect good 637d033f469b7988999b13bf007f4474b6a0af89 Bisecting: 190 revisions left to test after this (roughly 8 steps) [47b2db8af4a79a6711fa639856055d659952cae0] Merge branch 'for-next' of git://github.com/cminyard/linux-ipmi.git testing commit 47b2db8af4a79a6711fa639856055d659952cae0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fcfe73dfa56c8af8a92f1e8898f351c1fbd90cf84fdc8618d30271aac2c43ce7 all runs: OK false negative chance: 0.000 # git bisect good 47b2db8af4a79a6711fa639856055d659952cae0 Bisecting: 95 revisions left to test after this (roughly 7 steps) [c61101631cdc0a98840a8e4f5a1e571ca94d82fc] usb: dwc3: dwc3-octeon: Avoid half-initialized controller state testing commit c61101631cdc0a98840a8e4f5a1e571ca94d82fc gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa10610320991d04cbc4cac0f5954d611c0e3cac8307176aa273ed8d31c965f1 all runs: OK false negative chance: 0.000 # git bisect good c61101631cdc0a98840a8e4f5a1e571ca94d82fc Bisecting: 47 revisions left to test after this (roughly 6 steps) [98102ae1549e3af33359ec3a8e57adafa57b1b01] usb: gadget: use working speed to calcaulate network bitrate and qlen testing commit 98102ae1549e3af33359ec3a8e57adafa57b1b01 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: daa7aed36c9c87f8d3685f12a2beddf6cb902c5c39c77f0324da98e9f151699d all runs: OK false negative chance: 0.000 # git bisect good 98102ae1549e3af33359ec3a8e57adafa57b1b01 Bisecting: 23 revisions left to test after this (roughly 5 steps) [06188bc80ccbec0dc2f9e451b53b2e48321acbd3] drivers: base: Add basic devm tests for root devices testing commit 06188bc80ccbec0dc2f9e451b53b2e48321acbd3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0ddad8165873432c904ed116d168a0a6e73a7661bd041fc574f724a1b53ebfb all runs: OK false negative chance: 0.000 # git bisect good 06188bc80ccbec0dc2f9e451b53b2e48321acbd3 Bisecting: 13 revisions left to test after this (roughly 4 steps) [78e0ea4277546debf7e96797ac3b768539cc44f6] tcpm: Avoid soft reset when partner does not support get_status testing commit 78e0ea4277546debf7e96797ac3b768539cc44f6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2478ae966b5b4d09599a079b2642e7ca5f515f3747e09a987390a5adf834dbab all runs: OK false negative chance: 0.000 # git bisect good 78e0ea4277546debf7e96797ac3b768539cc44f6 Bisecting: 6 revisions left to test after this (roughly 3 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: d65ece13b4b95dd2e93e1bbae15d1d38d8593dbb37dae0f7a6fc9b1d5b04f624 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device representative crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device, types: [UNKNOWN] # git bisect bad d21fdd07cea418c0d98c8a15fc95b8b8970801e7 Bisecting: 3 revisions left to test after this (roughly 2 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: 3363c68487781958da2b4efb995c6d7104253ed009074f4c87976a96f310096c all runs: OK false negative chance: 0.000 # git bisect good f71b144e3e7a490d9140045680b7025382fb33b5 Bisecting: 1 revision left to test after this (roughly 1 step) [4d0fe8c52bb3029d83e323c961221156ab98680b] kobject: Add sanity check for kset->kobj.ktype in kset_register() testing commit 4d0fe8c52bb3029d83e323c961221156ab98680b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 51ec6b470ca446c3ef2c29562dd17ed52639cb7b1902576241358db115f7e2ff all runs: OK false negative chance: 0.000 # git bisect good 4d0fe8c52bb3029d83e323c961221156ab98680b Bisecting: 0 revisions left to test after this (roughly 0 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: ae3296d0b854bf6ae66cc4b5605a6fc7d10e8f351c9b824860a8202536ab8319 all runs: OK false negative chance: 0.000 # git bisect good 1b28cb81dab7c1eedc6034206f4e8d644046ad31 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: d65ece13b4b95dd2e93e1bbae15d1d38d8593dbb37dae0f7a6fc9b1d5b04f624 parent signature: ae3296d0b854bf6ae66cc4b5605a6fc7d10e8f351c9b824860a8202536ab8319 revisions tested: 23, total time: 9h5m15.362604509s (build: 4h57m14.83414643s, test: 3h49m50.27855744s) 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"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device RDX: 0000000000000002 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f44fbfe4120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007f44fc580f80 R15: 00007ffcb25651d8 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 102f8e067 P4D 102f8e067 PUD 108792067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 3378 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:ffffc90001ad3a60 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881013b8000 RSI: 0000000000000025 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90001ad3ab0 R13: 0000000000000cc0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f44fbfe46c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000102e95000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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 nfc_register_device+0x3d/0x210 net/nfc/core.c:1118 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: 0033:0x7f44fc461ae9 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:00007f44fbfe40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f44fc580f80 RCX: 00007f44fc461ae9 RDX: 0000000000000002 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f44fbfe4120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007f44fc580f80 R15: 00007ffcb25651d8 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:ffffc90001ad3a60 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881013b8000 RSI: 0000000000000025 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90001ad3ab0 R13: 0000000000000cc0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f44fbfe46c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000102e95000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- 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