ci2 starts bisection 2025-01-22 05:40:31.532162217 +0000 UTC m=+47537.399735652 bisecting fixing commit since 0a51d2d4527b43c5e467ffa6897deefeaf499358 building syzkaller on ff949d2512c5ac33d0407d26d80f1df77b2de0e7 ensuring issue is reproducible on original commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c45b347e9124b66b4336d3d382cee7364650080111969b464392decd2e71e024 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f374fdd3e08333ad931faad775fad61a480212a00003f6d3d032a05f6abbabb all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, 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=3706 full=7305 leaves diff=2038 split chunks (needed=false): <2038> split chunk #0 of len 2038 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80ccd471896367ae1469529a85b6ce1c526f9179d392615b9c3063428c56ba1b all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e826bdd875786daa7b52bc67237339fc5deed0777aa783ebcec6ec86ca8abcc4 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89067639b47f4f65514777adf5e9f20a98d665f387abb1fbd9741e6352c22ca3 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ea63ed9c891304437055dfcf8974afd618b32ca483b21c0cac1e721d94d6df3e all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, 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 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f26e59409a09c223c0406f20423758580daff0958a9939f79189a5eefbf087bd all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] the chunk can be dropped minimized to 408 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 IR_TOY 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_PXRC 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 MDIO_MVUSB 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 MOST_USB_HDM 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_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_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_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_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 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32] disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 4735586da88ed2254ada53bbe19ce4fe968a1e7b testing commit 4735586da88ed2254ada53bbe19ce4fe968a1e7b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fcbd6b2d18781804b5b58ecdba8f278f3d708287e012f741dbfabd61451f739a all runs: OK false negative chance: 0.000 # git bisect start 4735586da88ed2254ada53bbe19ce4fe968a1e7b 0a51d2d4527b43c5e467ffa6897deefeaf499358 Bisecting: 391 revisions left to test after this (roughly 9 steps) [0ab0a3ad24e970e894abcac58f85c332d1726749] nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur determine whether the revision contains the guilty commit revision 0a51d2d4527b43c5e467ffa6897deefeaf499358 crashed and is reachable testing commit 0ab0a3ad24e970e894abcac58f85c332d1726749 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6da2b4ea4c5f1324926e85a507ee49a54a51304eb12781dc64c5e228090c62b3 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] # git bisect good 0ab0a3ad24e970e894abcac58f85c332d1726749 Bisecting: 195 revisions left to test after this (roughly 8 steps) [07b569eda6fe6a1e83be5a587abee12d1303f95e] tipc: fix NULL deref in cleanup_bearer() determine whether the revision contains the guilty commit revision 0ab0a3ad24e970e894abcac58f85c332d1726749 crashed and is reachable testing commit 07b569eda6fe6a1e83be5a587abee12d1303f95e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 591e51e08dce58e465f193cd7603ae3f8aaaf22b596fef49036a40062c4c637a all runs: OK false negative chance: 0.000 # git bisect bad 07b569eda6fe6a1e83be5a587abee12d1303f95e Bisecting: 97 revisions left to test after this (roughly 7 steps) [3e8258070b0f2aba66b3ef18883de229674fb288] net: inet: do not leave a dangling sk pointer in inet_create() determine whether the revision contains the guilty commit revision 0a51d2d4527b43c5e467ffa6897deefeaf499358 crashed and is reachable testing commit 3e8258070b0f2aba66b3ef18883de229674fb288 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b330185ee2e20b0717130fef4cdce07b148c67d5f66d57a00e2157b2967a7fdc all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] # git bisect good 3e8258070b0f2aba66b3ef18883de229674fb288 Bisecting: 48 revisions left to test after this (roughly 6 steps) [065e075d438fc3659a0be2387ec6224a3075c54d] KVM: arm64: vgic-its: Add a data length check in vgic_its_save_* determine whether the revision contains the guilty commit revision 0a51d2d4527b43c5e467ffa6897deefeaf499358 crashed and is reachable testing commit 065e075d438fc3659a0be2387ec6224a3075c54d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9aae2ae2a75952f74ff8cd9ecde7feec4ed4b36862f283f8379c4e2e5586c233 all runs: OK false negative chance: 0.000 # git bisect bad 065e075d438fc3659a0be2387ec6224a3075c54d Bisecting: 24 revisions left to test after this (roughly 5 steps) [2174bbc235f79fce88ea71fd08cf836568fcad5f] scsi: hisi_sas: Add cond_resched() for no forced preemption model determine whether the revision contains the guilty commit revision 0a51d2d4527b43c5e467ffa6897deefeaf499358 crashed and is reachable testing commit 2174bbc235f79fce88ea71fd08cf836568fcad5f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8c78be3ea9da1f34ad2db0da4ebb681c22e34a871e10542754f619365dc4fc33 all runs: OK false negative chance: 0.000 # git bisect bad 2174bbc235f79fce88ea71fd08cf836568fcad5f Bisecting: 11 revisions left to test after this (roughly 4 steps) [a3d408870bc19b794646871bc4c3a5daa66f91c5] jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree determine whether the revision contains the guilty commit revision 0a51d2d4527b43c5e467ffa6897deefeaf499358 crashed and is reachable testing commit a3d408870bc19b794646871bc4c3a5daa66f91c5 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d227efdb58572606abdefd50d9b1b61b0242c71d43b32c431749bbbfc2250a32 all runs: OK false negative chance: 0.000 # git bisect bad a3d408870bc19b794646871bc4c3a5daa66f91c5 Bisecting: 5 revisions left to test after this (roughly 3 steps) [905dc479b64833d28ebbfc8bb388432e7a0593b6] drm/amdgpu: Dereference the ATCS ACPI buffer determine whether the revision contains the guilty commit revision 0a51d2d4527b43c5e467ffa6897deefeaf499358 crashed and is reachable testing commit 905dc479b64833d28ebbfc8bb388432e7a0593b6 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2372f6cbba3b3a404a733c8a94d3e2d04cdc64d7401d45ae88dd4b207545f00 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] # git bisect good 905dc479b64833d28ebbfc8bb388432e7a0593b6 Bisecting: 2 revisions left to test after this (roughly 2 steps) [823d573f5450ca6be80b36f54d1902ac7cd23fb9] jfs: array-index-out-of-bounds fix in dtReadFirst determine whether the revision contains the guilty commit revision 905dc479b64833d28ebbfc8bb388432e7a0593b6 crashed and is reachable testing commit 823d573f5450ca6be80b36f54d1902ac7cd23fb9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e9723b6fc06cdef7740864340fb0a148319111cb08054552133b65a1b3bcc2d all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] # git bisect good 823d573f5450ca6be80b36f54d1902ac7cd23fb9 Bisecting: 0 revisions left to test after this (roughly 1 step) [9efe72eefd4c4a7ce63b3e4d667d766d2b360cb4] jfs: fix array-index-out-of-bounds in jfs_readdir determine whether the revision contains the guilty commit revision 0ab0a3ad24e970e894abcac58f85c332d1726749 crashed and is reachable testing commit 9efe72eefd4c4a7ce63b3e4d667d766d2b360cb4 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 39f45ed32a60ca9908d345453724625f95ef7088ff582fcd50f665e039de3ab4 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAdjTree representative crash: UBSAN: array-index-out-of-bounds in dbAdjTree, types: [UBSAN] # git bisect good 9efe72eefd4c4a7ce63b3e4d667d766d2b360cb4 a3d408870bc19b794646871bc4c3a5daa66f91c5 is the first bad commit commit a3d408870bc19b794646871bc4c3a5daa66f91c5 Author: Nihar Chaithanya Date: Wed Oct 9 01:51:38 2024 +0530 jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree [ Upstream commit a174706ba4dad895c40b1d2277bade16dfacdcd9 ] When the value of lp is 0 at the beginning of the for loop, it will become negative in the next assignment and we should bail out. Reported-by: syzbot+412dea214d8baa3f7483@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=412dea214d8baa3f7483 Tested-by: syzbot+412dea214d8baa3f7483@syzkaller.appspotmail.com Signed-off-by: Nihar Chaithanya Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin fs/jfs/jfs_dmap.c | 3 +++ 1 file changed, 3 insertions(+) accumulated error probability: 0.00 culprit signature: d227efdb58572606abdefd50d9b1b61b0242c71d43b32c431749bbbfc2250a32 parent signature: 39f45ed32a60ca9908d345453724625f95ef7088ff582fcd50f665e039de3ab4 revisions tested: 17, total time: 3h7m8.093203507s (build: 1h10m51.745684527s, test: 1h50m36.392209556s) first good commit: a3d408870bc19b794646871bc4c3a5daa66f91c5 jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree recipients (to): ["dave.kleikamp@oracle.com" "niharchaithanya@gmail.com" "sashal@kernel.org" "syzbot+412dea214d8baa3f7483@syzkaller.appspotmail.com"] recipients (cc): []