ci2 starts bisection 2025-01-05 17:11:29.300116744 +0000 UTC m=+176209.916634847 bisecting fixing commit since cd5d98c0556cd790f78a3ba26afc9d2f896163e4 building syzkaller on b9af7e61fec27039b365f0ce8ec03fbccd2c6d6a ensuring issue is reproducible on original commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b5ecf551a0bc8c5c780d2436b2cc20fe153924946ec55699e28f77cdee1476c all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0d1291e19d03ee4e62ef019b0b34d5794988acedc6cf5287b1182f5d4854c5f4 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3824 full=7457 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 [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8397932d71be96f46ceb1ba730ddb2f52bba2fd05a7ca61b30142443564967e4 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ff5993a51798b519a31959b5194cc0c5d8904179fceab554b18777cc2444da40 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b797045f27c51d9cd1797784fdf450eeba3d7077651c10eb45be16b769a29cea all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 186ac05473d0685fc13271a9098c84385a685c606c9a814d8d32672afdfa7247 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit cd5d98c0556cd790f78a3ba26afc9d2f896163e4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d4fc36f1c3f29fa83a657e3ea56de24aa6d9d6f7d10c12bf9cb77681ee456287 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] the chunk can be dropped minimized to 398 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_PROTO_ESP IP_VS_PROTO_SCTP 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_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 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_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 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_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_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_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 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 testing current HEAD 7dc732d24ff75bae3740d2876b634c0158c79cad testing commit 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b6d56d8aa7a02690c1334b4e0523abce17ac4072e416e3581826aae24333ef5 all runs: OK false negative chance: 0.000 # git bisect start 7dc732d24ff75bae3740d2876b634c0158c79cad cd5d98c0556cd790f78a3ba26afc9d2f896163e4 Bisecting: 2934 revisions left to test after this (roughly 12 steps) [b0126f9f2121350820cce842f1bb417232f3cfe9] ice: Prepare legacy-rx for upcoming XDP multi-buffer support determine whether the revision contains the guilty commit revision cd5d98c0556cd790f78a3ba26afc9d2f896163e4 crashed and is reachable testing commit b0126f9f2121350820cce842f1bb417232f3cfe9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0a3bd37c076e0ed5c6ca737842601cacf12f7dfa6d0cf589ce8581333bc9b3c all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good b0126f9f2121350820cce842f1bb417232f3cfe9 Bisecting: 1467 revisions left to test after this (roughly 11 steps) [314dbee9fe4f5cee36435465de52c988d7caa466] bpf: Make sure internal and UAPI bpf_redirect flags don't overlap determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit 314dbee9fe4f5cee36435465de52c988d7caa466 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b98659234397ed6da426f2bbbdc85a849dc339cc47e800a3b01cc627c0663900 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good 314dbee9fe4f5cee36435465de52c988d7caa466 Bisecting: 733 revisions left to test after this (roughly 10 steps) [931d07ccffcc3614f20aaf602b31e89754e21c59] PCI: Fix reset_method_store() memory leak determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit 931d07ccffcc3614f20aaf602b31e89754e21c59 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e549fe06cf4872acc97866e3a3fe8b1bea11ae2e522ddd1e529166c63fa3b8bf all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good 931d07ccffcc3614f20aaf602b31e89754e21c59 Bisecting: 366 revisions left to test after this (roughly 9 steps) [f0cbcf1f77dc4b78740ee2478fd32097acb06cea] drm/amdgpu/hdp5.2: do a posting read when flushing HDP determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit f0cbcf1f77dc4b78740ee2478fd32097acb06cea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1ab2c9351733caa396bda37eaa9ec42ea46a8c6828fb88b2d84ff54759ec07a all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good f0cbcf1f77dc4b78740ee2478fd32097acb06cea Bisecting: 183 revisions left to test after this (roughly 8 steps) [4dcd14efb39a3f66bcd4810e6734bcfa5e7d238d] selftests: mlxsw: sharedbuffer: Remove duplicate test cases determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit 4dcd14efb39a3f66bcd4810e6734bcfa5e7d238d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 644a4dfa13730de09bb3d1cc455710702322ce1826cd43edfe0a26ba120ff820 all runs: OK false negative chance: 0.000 # git bisect bad 4dcd14efb39a3f66bcd4810e6734bcfa5e7d238d Bisecting: 91 revisions left to test after this (roughly 7 steps) [08715b741f9b2a925d6485491e4907f3b29bac70] LoongArch: Fix sleeping in atomic context for PREEMPT_RT determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit 08715b741f9b2a925d6485491e4907f3b29bac70 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f44f45801b24a07f0528aabfb7ad21479572cbdfa4049bc357f9ebf59316c637 all runs: OK false negative chance: 0.000 # git bisect bad 08715b741f9b2a925d6485491e4907f3b29bac70 Bisecting: 45 revisions left to test after this (roughly 6 steps) [79e16a0d339532ea832d85798eb036fc4f9e0cea] net: inet6: do not leave a dangling sk pointer in inet6_create() determine whether the revision contains the guilty commit revision cd5d98c0556cd790f78a3ba26afc9d2f896163e4 crashed and is reachable testing commit 79e16a0d339532ea832d85798eb036fc4f9e0cea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 122876c3a56cee67874b91d0df4cbf0de46ca412c629f82d3c579e53f7aaec2b all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good 79e16a0d339532ea832d85798eb036fc4f9e0cea Bisecting: 22 revisions left to test after this (roughly 5 steps) [84e49db5b32645ea6fe429b98becdcfbb6fecf3f] rocker: fix link status detection in rocker_carrier_init() determine whether the revision contains the guilty commit revision 314dbee9fe4f5cee36435465de52c988d7caa466 crashed and is reachable testing commit 84e49db5b32645ea6fe429b98becdcfbb6fecf3f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 910c30df8dd4693b9f6214227d3267cd390bf63482dc75e2a8b81bbf9edf21a1 all runs: OK false negative chance: 0.000 # git bisect bad 84e49db5b32645ea6fe429b98becdcfbb6fecf3f Bisecting: 11 revisions left to test after this (roughly 4 steps) [51a203470f502a64a3da8dcea51c4748e8267a6c] jfs: fix shift-out-of-bounds in dbSplit determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit 51a203470f502a64a3da8dcea51c4748e8267a6c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7a0b5f846c24da723c85a209ef507bfb6d6fe561e3a09bda2205bbc734c1131c all runs: OK false negative chance: 0.000 # git bisect bad 51a203470f502a64a3da8dcea51c4748e8267a6c Bisecting: 5 revisions left to test after this (roughly 3 steps) [166df51487f46b6e997dfeea7ca0c2a970853f07] drm/sched: memset() 'job' in drm_sched_job_init() determine whether the revision contains the guilty commit revision b0126f9f2121350820cce842f1bb417232f3cfe9 crashed and is reachable testing commit 166df51487f46b6e997dfeea7ca0c2a970853f07 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e60da6439e9a294d385cdb265997510e3308b48caa89dce29a43c956cc48d17 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good 166df51487f46b6e997dfeea7ca0c2a970853f07 Bisecting: 2 revisions left to test after this (roughly 2 steps) [b295b197daf66d10474c21a5a48f13bc897cd523] drm/amdgpu: refine error handling in amdgpu_ttm_tt_pin_userptr determine whether the revision contains the guilty commit revision 931d07ccffcc3614f20aaf602b31e89754e21c59 crashed and is reachable testing commit b295b197daf66d10474c21a5a48f13bc897cd523 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4d21c5328ddb0e43e866bbbbd36346e0393718971d861caaf0d3c5133a0071ef all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good b295b197daf66d10474c21a5a48f13bc897cd523 Bisecting: 0 revisions left to test after this (roughly 1 step) [2eea5fda5556ef03defebf07b0a12fcd2c5210f4] jfs: array-index-out-of-bounds fix in dtReadFirst determine whether the revision contains the guilty commit revision 166df51487f46b6e997dfeea7ca0c2a970853f07 crashed and is reachable testing commit 2eea5fda5556ef03defebf07b0a12fcd2c5210f4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1eb70ad6822549a0e15e612141b4dd2c8561da2bcf9c567cb0cfb96120519651 all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit representative crash: UBSAN: shift-out-of-bounds in dbSplit, types: [UBSAN] # git bisect good 2eea5fda5556ef03defebf07b0a12fcd2c5210f4 51a203470f502a64a3da8dcea51c4748e8267a6c is the first bad commit commit 51a203470f502a64a3da8dcea51c4748e8267a6c Author: Ghanshyam Agrawal Date: Mon Sep 30 13:42:18 2024 +0530 jfs: fix shift-out-of-bounds in dbSplit [ Upstream commit a5f5e4698f8abbb25fe4959814093fb5bfa1aa9d ] When dmt_budmin is less than zero, it causes errors in the later stages. Added a check to return an error beforehand in dbAllocCtl itself. Reported-by: syzbot+b5ca8a249162c4b9a7d0@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=b5ca8a249162c4b9a7d0 Signed-off-by: Ghanshyam Agrawal 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: 7a0b5f846c24da723c85a209ef507bfb6d6fe561e3a09bda2205bbc734c1131c parent signature: 1eb70ad6822549a0e15e612141b4dd2c8561da2bcf9c567cb0cfb96120519651 revisions tested: 20, total time: 6h52m20.384892159s (build: 4h15m3.414780316s, test: 2h28m14.971699891s) first good commit: 51a203470f502a64a3da8dcea51c4748e8267a6c jfs: fix shift-out-of-bounds in dbSplit recipients (to): ["dave.kleikamp@oracle.com" "ghanshyam1898@gmail.com" "sashal@kernel.org"] recipients (cc): []