ci2 starts bisection 2024-09-25 09:17:32.322954925 +0000 UTC m=+6694.149119705 bisecting cause commit starting from 97d8894b6f4c44762fd48f5d29e73358d6181dbb building syzkaller on 5643e0e933eb9fd69bb78740a8f3967b4d37bc0e ensuring issue is reproducible on original commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 01c5f3ef398c48fad31244030970a118e4e60d2af6fc99e357e666ad0952959f all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 72bd07f1d5364be8fe2f8487222a7f7a68186c83c68f41f49c134f6f620f066c all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4037 full=8176 leaves diff=2112 split chunks (needed=false): <2112> split chunk #0 of len 2112 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0a7b7fccf819a38a7c56438c595e89c943b35c09585ead80221d8df5c0e66610 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a659b6c5b74f0ab6ca2151639df363500c1e9f59aa0a838df1dc1e412a667fd6 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 412de7b44cade1f89f6dfa1c31f3a8ad93cddb5b7fef8c380d69099ec6a80476 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8407eb80a7782beabbcd3860022adfc23c00a1f77ada1118c238b642f60e6e29 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 97d8894b6f4c44762fd48f5d29e73358d6181dbb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9e2f8e5bc08a01788d733f206957db7d1f5ca1433815b5d1a1bf38ea2accc922 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] the chunk can be dropped minimized to 423 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE HAMRADIO HID_NINTENDO 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_NFCT IP_VS_NQ 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_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISDN ISDN_CAPI 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 KCOV_SELFTEST KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMMON KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRE_FAULT_MEMORY KVM_GENERIC_PRIVATE_MEM KVM_HYPERV KVM_MMIO KVM_PRIVATE_MEM KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION 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_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MDIO_MVUSB MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB 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 MODULE_COMPRESS_NONE 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_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 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_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_DEVMEM 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_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF 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 PAGE_POOL 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 UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: da38fe864b2cc9a7a57bc2c124ece5a7b502f61033fa5773bcdbcf32115cc4de all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a5863ac2632e279dbf05a77fc2b756a84aa6e2f7444671143abb920bc7d616f7 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v6.9 testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6d4ecc1ba9355339426d21a60185ed047efcce3d2e769fc99d75634d64c54d4f all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb00683d53f0c144641e210cf829e312521b2c6e69f70ab6a7dcdcbf39398f4b all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a9c25ed5539551114c55ec5aa679c6e28480927fff39003bc08f8d257c5d21f0 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7637e6539457b7137fb350052020589baefc3b0cbf6a1d1e8da487ca8a92588 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v6.1 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a759766f8dc3bfc6f888498e3b87d5a5daf8092acf2f5f5d5d755d0bc29136e3 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] 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: c5f1942802c28d84a390cc8d9e4a89aafdc9bbc079cb14f47a5e02835cee7416 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d74edc66ff50e182a6ab6c47e8ddadac4c0fc7dbcc394ed2eefae10c06a9e75f all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] 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: 4bf42f6f812ccd8fd6f4f1ba42668617b695ac7392b277df52ee3112ebb04f7c all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2e8546e32276767797cb4633b50cc3924cf1f7523b831dbb9f12b54e89e2a067 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] 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: d5162c33d4372508112b4f9be7262bc97fc679e543e65d11b25b89312e336dcc all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 29d694c14902bfb5c5f97e89f54f5c52840521b58d4821a8071dd121e0b374c2 all runs: crashed: KASAN: null-ptr-deref Read in txBeginAnon representative crash: KASAN: null-ptr-deref Read in txBeginAnon, types: [KASAN] testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3c8788e191d74d6caf83e3b17e3ce42209af0b69cb8327fc9f17ca9ce68b46ac all runs: crashed: general protection fault in txBeginAnon representative crash: general protection fault in txBeginAnon, types: [UNKNOWN] testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 999fa677db30ad2fa67819e719748020f20027837f655842e9ce01cf3d5a8408 all runs: crashed: general protection fault in txBeginAnon representative crash: general protection fault in txBeginAnon, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 22, total time: 5h25m2.122368016s (build: 2h52m18.532005863s, test: 2h24m0.025176503s) oldest tested release already had the bug or it had kernel test errors commit msg: Linux 4.19 crash: general protection fault in txBeginAnon Is remount racy? jfs_dirty_inode called on read-only volume Is remount racy? kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 1 PID: 3912 Comm: syz.0.15 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:328 [inline] RIP: 0010:txBeginAnon+0x105/0x340 fs/jfs/jfs_txnmgr.c:473 Code: c7 c7 a0 a3 e5 84 e8 9a de 08 02 48 ba 00 00 00 00 00 fc ff df 48 8d 43 40 49 89 c4 48 89 85 c0 fe ff ff 49 c1 ec 03 49 01 d4 <41> 80 3c 24 00 0f 85 dc 00 00 00 48 8b 53 40 83 e2 04 0f 85 e0 00 RSP: 0018:ffff8801e987f418 EFLAGS: 00010282 RAX: 0000000000000040 RBX: 0000000000000000 RCX: ffffffff81343e31 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffffff84e5a3a0 RBP: ffff8801e987f558 R08: fffffbfff09cb475 R09: fffffbfff09cb474 R10: fffffbfff09cb474 R11: ffffffff84e5a3a3 R12: dffffc0000000008 R13: ffff8801e987f4d0 R14: ffff8801d2571c28 R15: ffff8801e987f530 FS: 00007fca7df1b6c0(0000) GS:ffff8801f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001204 CR3: 00000001eaf50000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: extAlloc+0xdf/0xdc0 fs/jfs/jfs_extent.c:94 jfs_get_block+0x1fb/0xbb0 fs/jfs/inode.c:257 nobh_write_begin+0x347/0xb80 fs/buffer.c:2607 jfs_write_begin+0x31/0xba fs/jfs/inode.c:322 generic_perform_write+0x232/0x480 mm/filemap.c:3139 __generic_file_write_iter+0x2fd/0x510 mm/filemap.c:3264 generic_file_write_iter+0x302/0x660 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1808 [inline] do_iter_readv_writev+0x345/0x740 fs/read_write.c:680 do_iter_write fs/read_write.c:959 [inline] do_iter_write+0x128/0x540 fs/read_write.c:940 vfs_writev+0x125/0x2d0 fs/read_write.c:1004 do_pwritev+0x158/0x230 fs/read_write.c:1093 __do_sys_pwritev2 fs/read_write.c:1152 [inline] __se_sys_pwritev2 fs/read_write.c:1143 [inline] __x64_sys_pwritev2+0xbf/0x160 fs/read_write.c:1143 do_syscall_64+0xd0/0x340 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fca7e499ef9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fca7df1b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007fca7e651f80 RCX: 00007fca7e499ef9 RDX: 0000000000000001 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fca7e50cb76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fca7e651f80 R15: 00007fff575a27e8 Modules linked in: ---[ end trace 9938edf5525a4092 ]--- RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:328 [inline] RIP: 0010:txBeginAnon+0x105/0x340 fs/jfs/jfs_txnmgr.c:473 Code: c7 c7 a0 a3 e5 84 e8 9a de 08 02 48 ba 00 00 00 00 00 fc ff df 48 8d 43 40 49 89 c4 48 89 85 c0 fe ff ff 49 c1 ec 03 49 01 d4 <41> 80 3c 24 00 0f 85 dc 00 00 00 48 8b 53 40 83 e2 04 0f 85 e0 00 RSP: 0018:ffff8801e987f418 EFLAGS: 00010282 RAX: 0000000000000040 RBX: 0000000000000000 RCX: ffffffff81343e31 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffffff84e5a3a0 RBP: ffff8801e987f558 R08: fffffbfff09cb475 R09: fffffbfff09cb474 R10: fffffbfff09cb474 R11: ffffffff84e5a3a3 R12: dffffc0000000008 R13: ffff8801e987f4d0 R14: ffff8801d2571c28 R15: ffff8801e987f530 FS: 00007fca7df1b6c0(0000) GS:ffff8801f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001204 CR3: 00000001eaf50000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c7 c7 a0 a3 e5 84 mov $0x84e5a3a0,%edi 6: e8 9a de 08 02 call 0x208dea5 b: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 12: fc ff df 15: 48 8d 43 40 lea 0x40(%rbx),%rax 19: 49 89 c4 mov %rax,%r12 1c: 48 89 85 c0 fe ff ff mov %rax,-0x140(%rbp) 23: 49 c1 ec 03 shr $0x3,%r12 27: 49 01 d4 add %rdx,%r12 * 2a: 41 80 3c 24 00 cmpb $0x0,(%r12) <-- trapping instruction 2f: 0f 85 dc 00 00 00 jne 0x111 35: 48 8b 53 40 mov 0x40(%rbx),%rdx 39: 83 e2 04 and $0x4,%edx 3c: 0f .byte 0xf 3d: 85 e0 test %esp,%eax