ci2 starts bisection 2023-08-31 00:33:24.760736732 +0000 UTC m=+47080.314167606 bisecting cause commit starting from a962b54e162c2977ff37905726cab29728380835 building syzkaller on feb5635181eb12a6e3516172a3f5af06a3bc93e1 ensuring issue is reproducible on original commit a962b54e162c2977ff37905726cab29728380835 testing commit a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87e399756ab02ce194a52fa6fb703e8e674dcb035ef38e6bf140ff20abba51b2 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, 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 a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 46bca134eb5621fb9026e1a3ab7f6d83d726b6298977b4b29c29dda646fa6c07 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3876 full=7350 leaves diff=1999 split chunks (needed=false): <1999> split chunk #0 of len 1999 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 516d9da30fc0500470a634163158c2f67cd109b7ea3386cd218c915faa7806f4 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 638b04a2628fdbbd0d052aa287f7bb0bf3df40382301380c47722333d68daef2 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb524124aa9adf3b04ba78dcf1dbff834de7bb4fcc814affc8cfb3ae300d787a all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79ce11768091d4d49fbf45128c2e1840a3cd9dc92c7e7fe9bd09d005dd216b06 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit a962b54e162c2977ff37905726cab29728380835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0dfc471c7b6474ac3d8a14e472e018af1eda3b2eb990ce486561dc925f0ebf51 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] the chunk can be dropped minimized to 400 configs; suspects: [ATM 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 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_INTEL 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 LIBNVDIMM LIB_MEMNEQ LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH 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 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 MEMCG_SWAP 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_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 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_CLS_RSVP NET_CLS_RSVP6 NET_CLS_TCINDEX 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_ATM NET_SCH_CAKE NET_SCH_CBQ NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_DSMARK 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_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_V2_ACL 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_OBJREF 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_PPTP NF_CONNTRACK_PROCFS 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_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 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 BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [%!d(string=v5.19) %!d(string=v5.18) %!d(string=v5.17) %!d(string=v5.15) %!d(string=v5.13) %!d(string=v5.11) %!d(string=v5.9) %!d(string=v5.7) %!d(string=v5.4) %!d(string=v5.1) %!d(string=v4.19)] out of %!d(MISSING) release tags testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfc0d6e0baa82066637fe7137448be035bbed1b52d6fffc8f4cc57e4048a21f9 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4bdf46ec162b8e3e0db6fd1b30ed4cd5916a2d5cea68775ac1b674392385b6cc all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 192b02b503212b8fd51ce0d7b9c7ee76a82e4348b5af9e08121df538352094b1 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 068990d1c489e4b2afce8cc37f3721703f622c91ed6722dc60131e2eda9796bc all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 043ae06e595dfedbc756a693b599240985fc025fd9b3cd26fef880a2fca8a82f all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dfdb5da8696623484e01f22c1bb13d093197c06ee8759a80ce23b69d9f44a8b0 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57b4b1486ea6e087eef1249407a48b8036d0edd50230843e9ae5e2c6c04e310c all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b0570c88aae245d29a56aecd30a8ed0651acdbbc98ac11f842845e6cf5836597 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocBits representative crash: UBSAN: array-index-out-of-bounds in dbAllocBits, types: [UBSAN] testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 29a8db97e29637c89a9bb863e29d28815318f9d320ff125b49288c4657625b6c all runs: crashed: UBSAN: undefined-behaviour in dbAllocBits representative crash: UBSAN: undefined-behaviour in dbAllocBits, types: [UBSAN] testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: abfebdf8728dfcdbcfefe47e00b9fe851cd974a22b6498d69a74213343bd2318 all runs: crashed: general protection fault in dbAllocBits representative crash: general protection fault in dbAllocBits, types: [UNKNOWN] testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3bf54e599d9ed293f2d5572afe1730ca505658629c4897b2cfd6292dfaa99f3a all runs: crashed: general protection fault in dbAllocBits representative crash: general protection fault in dbAllocBits, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 18, total time: 4h1m35.240405932s (build: 1h39m31.697659838s, test: 1h51m59.505692369s) oldest tested release already had the bug or it had kernel test errors commit msg: Linux 4.19 crash: general protection fault in dbAllocBits IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready general protection fault: 0000 [#1] SMP CPU: 1 PID: 3054 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__write_once_size include/linux/compiler.h:215 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x1a9/0x2e0 kernel/locking/qspinlock.c:424 Code: dd 83 e0 03 c1 ea 12 41 bf 01 00 00 00 4d 8d 6c 24 44 48 c1 e0 04 4c 8d b0 80 e8 03 00 8d 42 ff 48 98 4c 03 34 c5 e0 be 69 82 <4d> 89 26 41 8b 44 24 08 ba 00 80 00 00 85 c0 75 79 84 d2 75 65 41 RSP: 0018:ffffc900010c7858 EFLAGS: 00010202 RAX: 0000000000003ffe RBX: ffff88022b6f0c58 RCX: 0000000000000001 RDX: 0000000000003fff RSI: 0000000000000000 RDI: 0000000000080000 RBP: ffffc900010c7890 R08: 0000000000080000 R09: 0000000000000000 R10: ffff88022b738000 R11: 0000000000000000 R12: ffff880237b3e880 R13: ffff880237b3e8c4 R14: 0001e420fec4df70 R15: 0000000000000001 FS: 00007fd4547996c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002005aeff CR3: 000000022b70f000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:32 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0xb7/0xc0 kernel/locking/spinlock_debug.c:113 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x2b/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __mutex_unlock_slowpath+0x17f/0x220 kernel/locking/mutex.c:1230 mutex_unlock+0xd/0x10 kernel/locking/mutex.c:713 dbAllocBits+0x1fc/0x250 fs/jfs/jfs_dmap.c:2298 dbAllocDmap+0x27/0x80 fs/jfs/jfs_dmap.c:2072 dbAllocNext+0x162/0x190 fs/jfs/jfs_dmap.c:1225 dbAlloc+0x145/0x410 fs/jfs/jfs_dmap.c:791 extBalloc fs/jfs/jfs_extent.c:531 [inline] extAlloc+0x133/0x470 fs/jfs/jfs_extent.c:138 jfs_get_block+0x99/0x2a0 fs/jfs/inode.c:257 nobh_write_begin+0x19d/0x510 fs/buffer.c:2607 jfs_write_begin+0x31/0x6a fs/jfs/inode.c:322 generic_perform_write+0xb8/0x1a0 mm/filemap.c:3139 __generic_file_write_iter+0x147/0x1c0 mm/filemap.c:3264 generic_file_write_iter+0x10e/0x210 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1808 [inline] do_iter_readv_writev+0x115/0x180 fs/read_write.c:680 do_iter_write fs/read_write.c:959 [inline] do_iter_write+0x81/0x180 fs/read_write.c:940 vfs_writev+0x7f/0xf0 fs/read_write.c:1004 do_pwritev+0x89/0xe0 fs/read_write.c:1093 __do_sys_pwritev fs/read_write.c:1140 [inline] __se_sys_pwritev fs/read_write.c:1135 [inline] __x64_sys_pwritev+0x1c/0x20 fs/read_write.c:1135 do_syscall_64+0x63/0x160 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd454814d39 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fd4547990c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007fd454935f80 RCX: 00007fd454814d39 RDX: 0000000000000001 RSI: 0000000020002200 RDI: 0000000000000003 RBP: 00007fd454871567 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fd454935f80 R15: 00007ffc823d1a58 Modules linked in: ---[ end trace efb823bfe21fec3f ]--- RIP: 0010:__write_once_size include/linux/compiler.h:215 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x1a9/0x2e0 kernel/locking/qspinlock.c:424 Code: dd 83 e0 03 c1 ea 12 41 bf 01 00 00 00 4d 8d 6c 24 44 48 c1 e0 04 4c 8d b0 80 e8 03 00 8d 42 ff 48 98 4c 03 34 c5 e0 be 69 82 <4d> 89 26 41 8b 44 24 08 ba 00 80 00 00 85 c0 75 79 84 d2 75 65 41 RSP: 0018:ffffc900010c7858 EFLAGS: 00010202 RAX: 0000000000003ffe RBX: ffff88022b6f0c58 RCX: 0000000000000001 RDX: 0000000000003fff RSI: 0000000000000000 RDI: 0000000000080000 RBP: ffffc900010c7890 R08: 0000000000080000 R09: 0000000000000000 R10: ffff88022b738000 R11: 0000000000000000 R12: ffff880237b3e880 R13: ffff880237b3e8c4 R14: 0001e420fec4df70 R15: 0000000000000001 FS: 00007fd4547996c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002005aeff CR3: 000000022b70f000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: dd 83 e0 03 c1 ea fldl -0x153efc20(%rbx) 6: 12 41 bf adc -0x41(%rcx),%al 9: 01 00 add %eax,(%rax) b: 00 00 add %al,(%rax) d: 4d 8d 6c 24 44 lea 0x44(%r12),%r13 12: 48 c1 e0 04 shl $0x4,%rax 16: 4c 8d b0 80 e8 03 00 lea 0x3e880(%rax),%r14 1d: 8d 42 ff lea -0x1(%rdx),%eax 20: 48 98 cltq 22: 4c 03 34 c5 e0 be 69 add -0x7d964120(,%rax,8),%r14 29: 82 * 2a: 4d 89 26 mov %r12,(%r14) <-- trapping instruction 2d: 41 8b 44 24 08 mov 0x8(%r12),%eax 32: ba 00 80 00 00 mov $0x8000,%edx 37: 85 c0 test %eax,%eax 39: 75 79 jne 0xb4 3b: 84 d2 test %dl,%dl 3d: 75 65 jne 0xa4 3f: 41 rex.B