ci2 starts bisection 2023-10-19 13:09:59.81209727 +0000 UTC m=+10783.966680601 bisecting fixing commit since f48aeeaaa64c628519273f6007a745cf55b68d95 building syzkaller on 62df2017e3b1edd786a4c737bd4ccba2b4581d88 ensuring issue is reproducible on original commit f48aeeaaa64c628519273f6007a745cf55b68d95 testing commit f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf5ba880f8d113b040c37427717443ef389ed09ab59fb8390a1d4471312a0abb run #0: crashed: INFO: task hung in txBegin run #1: crashed: UBSAN: shift-out-of-bounds in extAlloc run #2: crashed: UBSAN: shift-out-of-bounds in extAlloc run #3: crashed: UBSAN: shift-out-of-bounds in extAlloc run #4: crashed: UBSAN: shift-out-of-bounds in extAlloc run #5: crashed: UBSAN: shift-out-of-bounds in extAlloc run #6: crashed: UBSAN: shift-out-of-bounds in extAlloc run #7: crashed: UBSAN: shift-out-of-bounds in extAlloc run #8: crashed: UBSAN: shift-out-of-bounds in extAlloc run #9: crashed: UBSAN: shift-out-of-bounds in extAlloc run #10: crashed: UBSAN: shift-out-of-bounds in extAlloc run #11: crashed: UBSAN: shift-out-of-bounds in extAlloc run #12: crashed: UBSAN: shift-out-of-bounds in extAlloc run #13: crashed: UBSAN: shift-out-of-bounds in extAlloc run #14: crashed: UBSAN: shift-out-of-bounds in extAlloc run #15: crashed: UBSAN: shift-out-of-bounds in extAlloc run #16: crashed: UBSAN: shift-out-of-bounds in extAlloc run #17: crashed: UBSAN: shift-out-of-bounds in extAlloc run #18: crashed: UBSAN: shift-out-of-bounds in extAlloc run #19: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8b2e9c002f6f9480cf178cb5b37bf5aef914539dcbb300f5967f650d013f3282 run #0: crashed: UBSAN: shift-out-of-bounds in extAlloc run #1: crashed: UBSAN: shift-out-of-bounds in extAlloc run #2: crashed: UBSAN: shift-out-of-bounds in extAlloc run #3: crashed: UBSAN: shift-out-of-bounds in extAlloc run #4: crashed: UBSAN: shift-out-of-bounds in extAlloc run #5: crashed: UBSAN: shift-out-of-bounds in extAlloc run #6: crashed: UBSAN: shift-out-of-bounds in extAlloc run #7: crashed: UBSAN: shift-out-of-bounds in extAlloc run #8: crashed: UBSAN: shift-out-of-bounds in extAlloc run #9: OK representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3703 full=7272 leaves diff=1986 split chunks (needed=false): <1986> split chunk #0 of len 1986 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0c20dd8298e221582674b4d8ce8c0e3b17ea1c1acdae8a4f72ff3ec5ba2ae18 all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, 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 f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 235c1cd8470c7acf603802ed4959190e41ac5665c4053707911abf36b36e6665 run #0: crashed: UBSAN: shift-out-of-bounds in extAlloc run #1: crashed: UBSAN: shift-out-of-bounds in extAlloc run #2: crashed: UBSAN: shift-out-of-bounds in extAlloc run #3: crashed: UBSAN: shift-out-of-bounds in extAlloc run #4: crashed: UBSAN: shift-out-of-bounds in extAlloc run #5: crashed: UBSAN: shift-out-of-bounds in extAlloc run #6: crashed: UBSAN: shift-out-of-bounds in extAlloc run #7: crashed: UBSAN: shift-out-of-bounds in extAlloc run #8: OK run #9: OK representative crash: UBSAN: shift-out-of-bounds in extAlloc, 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 f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e58579e26490a236ae0d8a8f1baa67dbcfeb10b0ddf93803b7d3b38e8f8f7691 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 f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f16ef59493be8d7d68b01c13b34be9533d6d3e0591878151f8fc72cc552ce095 all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit f48aeeaaa64c628519273f6007a745cf55b68d95 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5891c0f89db225f425d61e10a29875f0997db7fb1f2ba252b1c6122106b34204 all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] the chunk can be dropped minimized to 398 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 ISDN 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 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 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_BLK 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_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 NETFS_SUPPORT 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_CGROUP NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 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_EGRESS 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 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_COUNTER 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_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_FLOW_TABLE_IPV4 NF_FLOW_TABLE_IPV6 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 NLS_CODEPAGE_775 PARTITION_ADVANCED PSAMPLE RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32] disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 02e21884dcf2f1746ab686a6ea41a0a92520fe58 testing commit 02e21884dcf2f1746ab686a6ea41a0a92520fe58 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c45e7514e92de3fe7a56a07adfbd9a97e203de0121b97fe5975e3298df856b49 all runs: OK false negative chance: 0.000 # git bisect start 02e21884dcf2f1746ab686a6ea41a0a92520fe58 f48aeeaaa64c628519273f6007a745cf55b68d95 Bisecting: 1714 revisions left to test after this (roughly 11 steps) [1417dd787a5e55b410a00a28231b0dcb19172457] ionic: remove WARN_ON to prevent panic_on_warn determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit 1417dd787a5e55b410a00a28231b0dcb19172457 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a256750c06adac1207936debf6a5ccd362f5e42c1fc8fae13b0484000d06b3b9 all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] # git bisect good 1417dd787a5e55b410a00a28231b0dcb19172457 Bisecting: 857 revisions left to test after this (roughly 10 steps) [d424c636b750d2f1f24b116e0260f09c1c888c4c] ksmbd: no response from compound read determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit d424c636b750d2f1f24b116e0260f09c1c888c4c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c129e742a5be8acb677e961f19792532bc7d80cc8c3825214dee4d821c3a0fc3 all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] # git bisect good d424c636b750d2f1f24b116e0260f09c1c888c4c Bisecting: 428 revisions left to test after this (roughly 9 steps) [3868de7c53611195c01af68167fcca50c3ffe815] af_unix: Fix data race around sk->sk_err. determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit 3868de7c53611195c01af68167fcca50c3ffe815 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b238604fda013e46033481e8d7eb2d24bf2a6f454cf6aaeaf54545609f4384e4 all runs: OK false negative chance: 0.000 # git bisect bad 3868de7c53611195c01af68167fcca50c3ffe815 Bisecting: 214 revisions left to test after this (roughly 8 steps) [2935443dc9c28499223d8c881474259e4b998f2a] powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit 2935443dc9c28499223d8c881474259e4b998f2a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e090c6b26e791649d3153b3a8c2afe3f953af91e2238e6092f844ef2efc846af all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] # git bisect good 2935443dc9c28499223d8c881474259e4b998f2a Bisecting: 107 revisions left to test after this (roughly 7 steps) [4e7b4ddc900c11034e04643963f6524289e38d8e] backlight/gpio_backlight: Compare against struct fb_info.device determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit 4e7b4ddc900c11034e04643963f6524289e38d8e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdc2159766fcb38ffa1f769d4c113db964f56750ff960bf6390ec17ccfea93f2 all runs: OK false negative chance: 0.000 # git bisect bad 4e7b4ddc900c11034e04643963f6524289e38d8e Bisecting: 53 revisions left to test after this (roughly 6 steps) [121b8d30f42c5f5f9565bbf449b1a1ff421b5846] media: venus: hfi_venus: Only consider sys_idle_indicator on V1 determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit 121b8d30f42c5f5f9565bbf449b1a1ff421b5846 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0623fcd2060436c877c4e10271fd7a1f0f800cf9132f9a2428fc23acde8087b0 all runs: OK false negative chance: 0.000 # git bisect bad 121b8d30f42c5f5f9565bbf449b1a1ff421b5846 Bisecting: 26 revisions left to test after this (roughly 5 steps) [484ddaa90b7e8b40b0a479dfc24f0a1b9cd70e7d] usb: phy: mxs: fix getting wrong state with mxs_phy_is_otg_host() determine whether the revision contains the guilty commit revision 1417dd787a5e55b410a00a28231b0dcb19172457 crashed and is reachable testing commit 484ddaa90b7e8b40b0a479dfc24f0a1b9cd70e7d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b239e1ab68e04e3a2adbd8db9770e415d651e0afb7810b8afa4b9824d89d14d1 run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0020aa910 0xc0020aaa00 0xc0020aaaa0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc001e6ecd0 0xc001e6edc0 0xc001e6ee60] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 484ddaa90b7e8b40b0a479dfc24f0a1b9cd70e7d Bisecting: 12 revisions left to test after this (roughly 4 steps) [caf058833b6f3fe7beabf738110f79bb987c8fff] media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link() determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit caf058833b6f3fe7beabf738110f79bb987c8fff gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b239e1ab68e04e3a2adbd8db9770e415d651e0afb7810b8afa4b9824d89d14d1 all runs: OK false negative chance: 0.000 # git bisect bad caf058833b6f3fe7beabf738110f79bb987c8fff Bisecting: 6 revisions left to test after this (roughly 3 steps) [19a648a07572c70fbe16faf0fafaf3dce9fd998a] NFSD: da_addr_body field missing in some GETDEVICEINFO replies determine whether the revision contains the guilty commit revision 2935443dc9c28499223d8c881474259e4b998f2a crashed and is reachable testing commit 19a648a07572c70fbe16faf0fafaf3dce9fd998a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed9a448e483167b4db12920bff685c0f0ff4f1dfdc4a6c8d009ddc26f17021cc all runs: OK false negative chance: 0.000 # git bisect bad 19a648a07572c70fbe16faf0fafaf3dce9fd998a Bisecting: 2 revisions left to test after this (roughly 2 steps) [f6a84ef1d08018f2b9a5475d0adfb1c2685dbcf4] ext4: fix unttached inode after power cut with orphan file feature enabled determine whether the revision contains the guilty commit revision f48aeeaaa64c628519273f6007a745cf55b68d95 crashed and is reachable testing commit f6a84ef1d08018f2b9a5475d0adfb1c2685dbcf4 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4bc3ea9ce94aaf85f622e107876f7e4c87f0a3694a4b61a72916c9bccf6eefa all runs: crashed: UBSAN: shift-out-of-bounds in extAlloc representative crash: UBSAN: shift-out-of-bounds in extAlloc, types: [UBSAN] # git bisect good f6a84ef1d08018f2b9a5475d0adfb1c2685dbcf4 Bisecting: 0 revisions left to test after this (roughly 1 step) [b0f127a7c63589b843a6f8d45ccd37abd4327e3a] fs: lockd: avoid possible wrong NULL parameter determine whether the revision contains the guilty commit revision 2935443dc9c28499223d8c881474259e4b998f2a crashed and is reachable testing commit b0f127a7c63589b843a6f8d45ccd37abd4327e3a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ada7766880ca0ef82f9ef02f795ad277d870db478cdd0c87d216203fbce25e32 all runs: OK false negative chance: 0.000 # git bisect bad b0f127a7c63589b843a6f8d45ccd37abd4327e3a Bisecting: 0 revisions left to test after this (roughly 0 steps) [8f994b830dd0cf1239c85d900ce5df2030d95e0c] jfs: validate max amount of blocks before allocation. determine whether the revision contains the guilty commit revision 2935443dc9c28499223d8c881474259e4b998f2a crashed and is reachable testing commit 8f994b830dd0cf1239c85d900ce5df2030d95e0c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 013a5ffa6f6ff28dcffedcac96364386601e04c96b545b419645a254fe8cb858 all runs: OK false negative chance: 0.000 # git bisect bad 8f994b830dd0cf1239c85d900ce5df2030d95e0c 8f994b830dd0cf1239c85d900ce5df2030d95e0c is the first bad commit commit 8f994b830dd0cf1239c85d900ce5df2030d95e0c Author: Alexei Filippov Date: Sat Aug 19 20:32:16 2023 +0300 jfs: validate max amount of blocks before allocation. [ Upstream commit 0225e10972fa809728b8d4c1bd2772b3ec3fdb57 ] The lack of checking bmp->db_max_freebud in extBalloc() can lead to shift out of bounds, so this patch prevents undefined behavior, because bmp->db_max_freebud == -1 only if there is no free space. Signed-off-by: Aleksei Filippov Signed-off-by: Dave Kleikamp Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-and-tested-by: syzbot+5f088f29593e6b4c8db8@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?id=01abadbd6ae6a08b1f1987aa61554c6b3ac19ff2 Signed-off-by: Sasha Levin fs/jfs/jfs_extent.c | 5 +++++ 1 file changed, 5 insertions(+) accumulated error probability: 0.00 culprit signature: 013a5ffa6f6ff28dcffedcac96364386601e04c96b545b419645a254fe8cb858 parent signature: a4bc3ea9ce94aaf85f622e107876f7e4c87f0a3694a4b61a72916c9bccf6eefa revisions tested: 20, total time: 4h3m30.691026839s (build: 1h2m55.544796653s, test: 2h56m7.113480937s) first good commit: 8f994b830dd0cf1239c85d900ce5df2030d95e0c jfs: validate max amount of blocks before allocation. recipients (to): ["dave.kleikamp@oracle.com" "halip0503@gmail.com" "sashal@kernel.org" "syzbot+5f088f29593e6b4c8db8@syzkaller.appspotmail.com"] recipients (cc): []