ci2 starts bisection 2025-05-02 03:36:13.484596411 +0000 UTC m=+53982.867477935 bisecting fixing commit since 91786f140358b1e56efdb0feccb337ce3a59c031 building syzkaller on d3ccff6372e07c6aabd02b5da419aa6492b5f0ad ensuring issue is reproducible on original commit 91786f140358b1e56efdb0feccb337ce3a59c031 testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1c15678512c9b459caf94c3f92d63c4a1fcf6592a7774ba88e503f8659e7cf6c run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #2: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #3: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #4: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #5: crashed: KASAN: slab-out-of-bounds Write in diWrite run #6: crashed: KASAN: use-after-free Write in diWrite run #7: crashed: KASAN: use-after-free Write in diWrite run #8: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #9: crashed: KASAN: use-after-free Write in diWrite run #10: crashed: KASAN: use-after-free Write in diWrite run #11: crashed: KASAN: use-after-free Write in diWrite run #12: crashed: KASAN: slab-out-of-bounds Write in diWrite run #13: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #14: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #15: crashed: KASAN: slab-out-of-bounds Write in diWrite run #16: crashed: KASAN: slab-out-of-bounds Write in diWrite run #17: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #18: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #19: crashed: KASAN: use-after-free Write in diWrite representative crash: KASAN: use-after-free Write in diWrite, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a63bb65f95c9ce5d3d4056eca7489cf1f316504ddef901d9608992570f386beb run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: KASAN: slab-out-of-bounds Write in diWrite run #2: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #3: crashed: KASAN: use-after-free Write in diWrite run #4: crashed: KASAN: slab-out-of-bounds Write in diWrite run #5: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #6: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #7: crashed: KASAN: slab-out-of-bounds Write in diWrite run #8: crashed: KASAN: use-after-free Write in diWrite run #9: crashed: KASAN: use-after-free Write in diWrite representative crash: KASAN: use-after-free Write in diWrite, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=3707 full=7305 leaves diff=2040 split chunks (needed=false): <2040> split chunk #0 of len 2040 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77c81880d487f38f14483ed4b8a57e207d21fb4d5b1c31d783d5840a85f54b5c run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: general protection fault in evict run #2: crashed: general protection fault in evict run #3: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #4: crashed: KASAN: use-after-free Write in diWrite run #5: crashed: KASAN: slab-out-of-bounds Write in diWrite run #6: crashed: KASAN: slab-out-of-bounds Write in diWrite run #7: crashed: KASAN: use-after-free Write in diWrite run #8: crashed: general protection fault in evict run #9: crashed: KASAN: use-after-free Write in diWrite representative crash: KASAN: use-after-free Write in diWrite, types: [KASAN UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e97ddfdbf5189bd6d12d72d0a9701e73797668f66bb2ececa5b99c1c43adcde2 run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: KASAN: use-after-free Write in diWrite run #2: crashed: KASAN: use-after-free Write in diWrite run #3: crashed: KASAN: slab-out-of-bounds Write in diWrite run #4: crashed: KASAN: use-after-free Write in diWrite run #5: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #6: crashed: invalid opcode in corrupted run #7: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #8: crashed: invalid opcode in corrupted run #9: crashed: KASAN: use-after-free Write in diWrite representative crash: KASAN: use-after-free Write in diWrite, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a87c727813f7b7bd9e76c5cbf6edfea05a2102b53f82130953d67274caabc196 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad6204670b84910368625263b6c3d9742cfc8e2421f44591f31c9b3f85044aaf run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: KASAN: use-after-free Write in diWrite run #2: crashed: KASAN: use-after-free Write in diWrite run #3: crashed: KASAN: use-after-free Write in diWrite run #4: crashed: general protection fault in evict run #5: crashed: KASAN: use-after-free Write in diWrite run #6: crashed: KASAN: slab-out-of-bounds Write in diWrite run #7: crashed: KASAN: use-after-free Write in diWrite run #8: crashed: KASAN: use-after-free Write in diWrite run #9: crashed: KASAN: use-after-free Write in diWrite representative crash: KASAN: use-after-free Write in diWrite, 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 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f768f3fea6a3c8dae1fdd313f91d12855e2170f810c85d914baa1481c13a5661 run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: KASAN: slab-out-of-bounds Write in diWrite run #2: crashed: general protection fault in evict run #3: crashed: general protection fault in evict run #4: crashed: KASAN: use-after-free Write in diWrite run #5: crashed: general protection fault in evict run #6: crashed: KASAN: slab-out-of-bounds Write in diWrite run #7: crashed: KASAN: slab-out-of-bounds Write in diWrite run #8: crashed: KASAN: slab-out-of-bounds Write in diWrite run #9: crashed: general protection fault in evict representative crash: KASAN: use-after-free Write in diWrite, types: [KASAN UNKNOWN] 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_STREAMZAP 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 LD_IS_BFD 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 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 [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing current HEAD f7347f4005727f3155551c0550f4deb9c40b56c2 testing commit f7347f4005727f3155551c0550f4deb9c40b56c2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03403fa86c75c5b46593d7ce41f6aa1edea4b8749e8dedd5465832998f8c6c87 run #0: crashed: KASAN: use-after-free Write in diWrite run #1: crashed: general protection fault in evict run #2: crashed: KASAN: use-after-free Write in diWrite run #3: crashed: general protection fault in evict run #4: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #5: crashed: KASAN: slab-out-of-bounds Write in diWrite run #6: crashed: KASAN: slab-out-of-bounds Read in jfs_readdir run #7: crashed: KASAN: slab-out-of-bounds Write in diWrite run #8: crashed: KASAN: slab-out-of-bounds Write in diWrite run #9: crashed: KASAN: slab-out-of-bounds Write in diWrite representative crash: KASAN: use-after-free Write in diWrite, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h30m38.794020965s (build: 37m25.171843363s, test: 50m37.938506825s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.180 crash: KASAN: use-after-free Write in diWrite loop2: detected capacity change from 0 to 32768 ================================================================== BUG: KASAN: use-after-free in diWrite+0xaaa/0x1390 fs/jfs/jfs_imap.c:753 Write of size 32 at addr ffff8881292d00c0 by task syz.2.16/4171 CPU: 1 PID: 4171 Comm: syz.2.16 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8e/0xdd lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 memcpy+0x39/0x60 mm/kasan/shadow.c:66 diWrite+0xaaa/0x1390 fs/jfs/jfs_imap.c:753 txCommit+0x6b7/0x4110 fs/jfs/jfs_txnmgr.c:1255 add_missing_indices fs/jfs/jfs_dtree.c:2960 [inline] jfs_readdir+0x295a/0x4440 fs/jfs/jfs_dtree.c:3316 iterate_dir+0x1f9/0x700 fs/readdir.c:67 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __x64_sys_getdents64+0x13a/0x2a0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f616ce6ed29 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:00007f616c8e8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f616d05efa0 RCX: 00007f616ce6ed29 RDX: 000000000000009e RSI: 0000000020000280 RDI: 0000000000000004 RBP: 00007f616ceeab08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f616d05efa0 R15: 00007ffd96b30a98 Allocated by task 4023: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x61/0x80 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x211/0x310 mm/slub.c:3233 ptlock_alloc mm/memory.c:5556 [inline] ptlock_init include/linux/mm.h:2230 [inline] pmd_ptlock_init include/linux/mm.h:2316 [inline] pgtable_pmd_page_ctor include/linux/mm.h:2352 [inline] pmd_alloc_one include/asm-generic/pgalloc.h:129 [inline] __pmd_alloc+0x98/0x4b0 mm/memory.c:4958 pmd_alloc include/linux/mm.h:2180 [inline] copy_pmd_range mm/memory.c:1147 [inline] copy_pud_range mm/memory.c:1204 [inline] copy_p4d_range mm/memory.c:1228 [inline] copy_page_range+0x27e7/0x3490 mm/memory.c:1301 dup_mmap kernel/fork.c:615 [inline] dup_mm kernel/fork.c:1466 [inline] copy_mm kernel/fork.c:1518 [inline] copy_process+0x5dc1/0x7d00 kernel/fork.c:2205 kernel_clone+0xe7/0xbd0 kernel/fork.c:2603 __do_sys_clone+0xc1/0x100 kernel/fork.c:2720 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 4036: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] __kasan_slab_free+0xe0/0x110 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook mm/slub.c:1731 [inline] slab_free mm/slub.c:3499 [inline] kmem_cache_free+0x7e/0x450 mm/slub.c:3515 pmd_ptlock_free include/linux/mm.h:2324 [inline] pgtable_pmd_page_dtor include/linux/mm.h:2361 [inline] ___pmd_free_tlb+0x41/0x180 arch/x86/mm/pgtable.c:72 __pmd_free_tlb arch/x86/include/asm/pgalloc.h:93 [inline] free_pmd_range mm/memory.c:265 [inline] free_pud_range mm/memory.c:283 [inline] free_p4d_range mm/memory.c:317 [inline] free_pgd_range+0x9a8/0xbe0 mm/memory.c:397 free_pgtables+0x212/0x300 mm/memory.c:429 exit_mmap+0x1df/0x6d0 mm/mmap.c:3205 __mmput+0xd6/0x440 kernel/fork.c:1127 mmput+0x40/0x50 kernel/fork.c:1148 exit_mm kernel/exit.c:550 [inline] do_exit+0x9e1/0x2680 kernel/exit.c:861 do_group_exit+0x125/0x310 kernel/exit.c:996 __do_sys_exit_group kernel/exit.c:1007 [inline] __se_sys_exit_group kernel/exit.c:1005 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:1005 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff8881292d00c0 which belongs to the cache page->ptl of size 64 The buggy address is located 0 bytes inside of 64-byte region [ffff8881292d00c0, ffff8881292d0100) The buggy address belongs to the page: page:ffffea0004a4b400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1292d0 flags: 0x200000000000200(slab|node=0|zone=2) raw: 0200000000000200 0000000000000000 dead000000000122 ffff88810004f780 raw: 0000000000000000 00000000002a002a 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4023, ts 84220965726, free_ts 84217231381 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1309/0x2e30 mm/page_alloc.c:4192 __alloc_pages+0x2b3/0x590 mm/page_alloc.c:5466 alloc_pages+0x16f/0x3d0 mm/mempolicy.c:2185 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab+0x2eb/0x430 mm/slub.c:1912 new_slab mm/slub.c:1975 [inline] ___slab_alloc+0xb1c/0xf80 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x2d7/0x310 mm/slub.c:3233 ptlock_alloc mm/memory.c:5556 [inline] ptlock_init include/linux/mm.h:2230 [inline] pmd_ptlock_init include/linux/mm.h:2316 [inline] pgtable_pmd_page_ctor include/linux/mm.h:2352 [inline] pmd_alloc_one include/asm-generic/pgalloc.h:129 [inline] __pmd_alloc+0x98/0x4b0 mm/memory.c:4958 pmd_alloc include/linux/mm.h:2180 [inline] copy_pmd_range mm/memory.c:1147 [inline] copy_pud_range mm/memory.c:1204 [inline] copy_p4d_range mm/memory.c:1228 [inline] copy_page_range+0x27e7/0x3490 mm/memory.c:1301 dup_mmap kernel/fork.c:615 [inline] dup_mm kernel/fork.c:1466 [inline] copy_mm kernel/fork.c:1518 [inline] copy_process+0x5dc1/0x7d00 kernel/fork.c:2205 kernel_clone+0xe7/0xbd0 kernel/fork.c:2603 __do_sys_clone+0xc1/0x100 kernel/fork.c:2720 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare+0x34e/0x730 mm/page_alloc.c:1391 free_unref_page_prepare mm/page_alloc.c:3317 [inline] free_unref_page+0x19/0x4b0 mm/page_alloc.c:3396 tlb_batch_list_free mm/mmu_gather.c:61 [inline] tlb_finish_mmu+0x24f/0x8c0 mm/mmu_gather.c:341 exit_mmap+0x1ea/0x6d0 mm/mmap.c:3206 __mmput+0xd6/0x440 kernel/fork.c:1127 mmput+0x40/0x50 kernel/fork.c:1148 exit_mm kernel/exit.c:550 [inline] do_exit+0x9e1/0x2680 kernel/exit.c:861 do_group_exit+0x125/0x310 kernel/exit.c:996 __do_sys_exit_group kernel/exit.c:1007 [inline] __se_sys_exit_group kernel/exit.c:1005 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:1005 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881292cff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881292d0000: fa fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb >ffff8881292d0080: fb fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff8881292d0100: fc fc fc fc fa fb fb fb fb fb fb fb fc fc fc fc ffff8881292d0180: fa fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb ==================================================================