ci starts bisection 2023-10-01 21:35:52.647611049 +0000 UTC m=+179358.289598723 bisecting fixing commit since a452483508d7b70b0f6c69e249ec0b3ea2330b5c building syzkaller on 22ae5830af1ab04e8042e534dd9baf750bc0d0ac ensuring issue is reproducible on original commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 00fa6afa999da81eefcf993ba6e24b81d958fd7f9e5737219b6b5d2ed1c93839 all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee799fe34c1009bfe3af92ca0f653afab6d6cf1e504b7465492e6059668fba7d all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed kconfig minimization: base=3883 full=7637 leaves diff=1997 split chunks (needed=false): <1997> split chunk #0 of len 1997 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a6dc992489b08ee3fd32a6b909fdf1cb6933f45b296531a5120a68a4a746ae6 all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 99bb6f3a1b6c1d22506f82b8d98d96253756145e97416c49eac1d15b8a40700a all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fcb5f1ddb64bde18d1f696ecbe8a49341b26d3a8035dc8fee53cbe828f3e3b7d all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eda2416b1a622a4dec70480113798baee9baba047da2891ed6696258b45c4244 all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e6fb3f1f81da0adaf7ff5a071dec36f7f7c35daf273a00968be174200661fc07 all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] the chunk can be dropped minimized to 400 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB 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_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 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_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 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_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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD e81a2dabc3f3faa0d96808708a8dc2025f2bdde3 testing commit e81a2dabc3f3faa0d96808708a8dc2025f2bdde3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: adc24003e22a47b7bdbd4edb9271ee24beae6079c26817c490a70764ec9a3dd6 all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h34m9.476637445s (build: 53m49.963823714s, test: 35m18.155225349s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'kbuild-fixes-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild crash: UBSAN: shift-out-of-bounds in nci_activate_target ================================================================================ UBSAN: shift-out-of-bounds in net/nfc/nci/core.c:912:45 shift exponent 268435489 is too large for 32-bit type 'int' CPU: 0 PID: 3399 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 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8e/0xf0 lib/dump_stack.c:106 ubsan_epilogue+0xa/0x40 lib/ubsan.c:217 __ubsan_handle_shift_out_of_bounds+0x24b/0x264 lib/ubsan.c:387 nci_activate_target.cold+0x1a/0x1f net/nfc/nci/core.c:912 nfc_activate_target+0xf5/0x1f0 net/nfc/core.c:420 nfc_genl_activate_target+0x80/0xb0 net/nfc/netlink.c:900 genl_family_rcv_msg_doit+0x116/0x180 net/netlink/genetlink.c:971 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x2fd/0x440 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x91/0x1d0 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x43f/0x570 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x3a7/0x740 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0x56/0xb0 net/socket.c:753 ____sys_sendmsg+0x337/0x3e0 net/socket.c:2541 ___sys_sendmsg+0xc9/0x130 net/socket.c:2595 __sys_sendmsg+0xa6/0x120 net/socket.c:2624 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: 0033:0x7f332fc8db29 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:00007f332f8100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f332fdacf80 RCX: 00007f332fc8db29 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f332fcd947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f332fdacf80 R15: 00007ffe4f4a2088 ================================================================================