ci2 starts bisection 2025-08-27 14:19:13.896670041 +0000 UTC m=+82128.729785403
bisecting fixing commit since 0a51d2d4527b43c5e467ffa6897deefeaf499358
building syzkaller on cd6fc0a3018e5d793bdcca6530622493f5e88307
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: c6215f97abccbc5aeb288f67eaa64ffaaf815b04c3295c5c2da33e24135530cc
run #0: crashed: lost connection to test machine
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: crashed: KASAN: use-after-free Write in inode2sd
run #5: crashed: KASAN: use-after-free Write in inode2sd
run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: crashed: KASAN: use-after-free Write in inode2sd
run #8: crashed: KASAN: use-after-free Write in inode2sd
run #9: crashed: KASAN: use-after-free Write in inode2sd
run #10: crashed: KASAN: use-after-free Write in inode2sd
run #11: crashed: KASAN: use-after-free Write in inode2sd
run #12: crashed: KASAN: use-after-free Write in inode2sd
run #13: crashed: KASAN: use-after-free Write in inode2sd
run #14: crashed: KASAN: use-after-free Write in inode2sd
run #15: crashed: KASAN: use-after-free Write in inode2sd
run #16: crashed: KASAN: use-after-free Write in inode2sd
run #17: crashed: KASAN: use-after-free Write in inode2sd
run #18: crashed: KASAN: use-after-free Write in inode2sd
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
check whether we can drop unnecessary instrumentation
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], 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: 0ad36bfc355a514d0eea905beace075c051d4e564961cb6d01803ebf983d5f73
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: out-of-bounds Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: crashed: KASAN: use-after-free Write in inode2sd
run #5: OK
run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
the bug reproduces without the instrumentation
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
kconfig minimization: base=3707 full=7302 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_or_warning locking atomic_sleep hang memleak ubsan], 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: dc24300969d5c11727856a615a09e6d985008a22ff2cb97683b142156bc8e85e
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: crashed: KASAN: use-after-free Write in inode2sd
run #5: crashed: KASAN: use-after-free Write in inode2sd
run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], 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: c191d7e8f20f7245e19dbc4a5847ad9d77a743a5398c570b07e03af24f0ce109
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: crashed: KASAN: use-after-free Write in inode2sd
run #5: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2034290541" "root@10.128.0.175:./syz-executor2034290541"]
Executing: program /usr/bin/ssh host 10.128.0.175, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u6, OpenSSL 3.0.16 11 Feb 2025
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.175 [10.128.0.175] port 22.
debug1: fd 3 clearing O_NONBLOCK
debug1: Connection established.
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa_sk type -1
debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: identity file /root/.ssh/id_ed25519_sk type -1
debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1
debug1: identity file /root/.ssh/id_xmss type -1
debug1: identity file /root/.ssh/id_xmss-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u6
debug1: Remote protocol version 2.0, remote software version OpenSSH_9.9
debug1: compat_banner: match: OpenSSH_9.9 pat OpenSSH* compat 0x04000000
debug1: Authenticating to 10.128.0.175:22 as 'root'
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: sntrup761x25519-sha512
debug1: kex: host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY

run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], 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: 99f0c6bd8f7acf18952268e49d760795cc6fd2203187aeec1ffa4d977969ef0d
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], 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: 8824570214a7ec3c34dbadd950f0dcfbaf4288f57198021872fba6bded6054ae
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], 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: 32af4d53a6d78bb44dfd7b786aeb942f36bd33859a3eb33189143eca53f25915
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: crashed: KASAN: use-after-free Write in inode2sd
run #5: crashed: KASAN: use-after-free Write in inode2sd
run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
the chunk can be dropped
minimized to 816 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 BRIDGE BRIDGE_NETFILTER BXT_WC_PMIC_OPREGION CAN CFG80211 CHECKPOINT_RESTORE CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB FSCACHE GENEVE GPIOLIB HAMRADIO HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HSR IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_JOYSTICK INPUT_MOUSE INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SCTP 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 LD_IS_BFD 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 MDIO_MVUSB MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_RETU 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 MTD_UBI MUSB_PIO_ONLY ND_BLK ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_CONNCOUNT 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 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PMIC_OPREGION PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU PRISM2_USB PROC_CHILDREN PROC_MEM_ALWAYS_FORCE PSAMPLE PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS_COMMON SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_CGROUP_DATA SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_RCU TASKS_RCU_GENERIC TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32 ZONE_DEVICE]
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
determining the merge base between 0a51d2d4527b43c5e467ffa6897deefeaf499358 and fab1beda7597fac1cecc01707d55eadb6bbe773c
8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cefec63cb718508018ec8d567141f3c602512aa6028486f251acab2895e67f22
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: crashed: KASAN: use-after-free Write in inode2sd
run #5: crashed: KASAN: use-after-free Write in inode2sd
run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
testing current HEAD fab1beda7597fac1cecc01707d55eadb6bbe773c
testing commit fab1beda7597fac1cecc01707d55eadb6bbe773c gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 215d923e4c0cbf64431dc9f6f98eab43c47e287a11e3c9097b1f56bc8076e556
all runs: OK
false negative chance: 0.000
# git bisect start fab1beda7597fac1cecc01707d55eadb6bbe773c 8bb7eca972ad531c9b149c0a51ab43a417385813
Bisecting: 168857 revisions left to test after this (roughly 17 steps)
[d8723062a26b17080d89e6b4d360ba50d1e453dd] Merge tag 'mfd-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit d8723062a26b17080d89e6b4d360ba50d1e453dd gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: a254e8594aa73968e4c4406334373d3a823425ca2015f461f4a1199c82dea81e
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10
# git bisect skip d8723062a26b17080d89e6b4d360ba50d1e453dd
Bisecting: 168739 revisions left to test after this (roughly 17 steps)
[081690e941188acfad41b8dbde2112029a2aa206] powercap: intel_rapl: Fix invalid setting of Power Limit 4

determine whether the revision contains the guilty commit
revision d8723062a26b17080d89e6b4d360ba50d1e453dd crashed and is reachable
testing commit 081690e941188acfad41b8dbde2112029a2aa206 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: e9121255489aee28b21ac1960efd51de3539d2c55640d9f4591314f1a86dfcae
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good 081690e941188acfad41b8dbde2112029a2aa206
Bisecting: 84369 revisions left to test after this (roughly 16 steps)
[a4dd8535a527061a01f2fd335596fa77ca240a96] net: ibm: emac: use devm for register_netdev

determine whether the revision contains the guilty commit
revision d8723062a26b17080d89e6b4d360ba50d1e453dd crashed and is reachable
testing commit a4dd8535a527061a01f2fd335596fa77ca240a96 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 1ac2d127e16e99b6e7c4a22a19ab0b8491f8b64e32551a38c472dd1e28f11333
all runs: OK
false negative chance: 0.000
# git bisect bad a4dd8535a527061a01f2fd335596fa77ca240a96
Bisecting: 41515 revisions left to test after this (roughly 15 steps)
[9187210eee7d87eea37b45ea93454a88681894a4] Merge tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 9187210eee7d87eea37b45ea93454a88681894a4 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 7e54304022fd18ffb1b3cb5726725a7f9086f5a1f568362893b5d5d2d305e0e6
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 9187210eee7d87eea37b45ea93454a88681894a4
Bisecting: 41515 revisions left to test after this (roughly 15 steps)
[bcb40cc11309a787a2bdefb3a77380151d1739a1] media: rkisp1: Support setting memory stride for main path

determine whether the revision contains the guilty commit
revision 081690e941188acfad41b8dbde2112029a2aa206 crashed and is reachable
testing commit bcb40cc11309a787a2bdefb3a77380151d1739a1 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 8b4e8023628c7c1f5a5a15aff4544870a36914b11821f0ad0e5a2b2f182bf48a
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1797951796" "root@10.128.1.70:./syz-executor1797951796"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.70, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u6, OpenSSL 3.0.16 11 Feb 2025
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.70 [10.128.1.70] port 22.
debug1: fd 3 clearing O_NONBLOCK
debug1: Connection established.
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa_sk type -1
debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: identity file /root/.ssh/id_ed25519_sk type -1
debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1
debug1: identity file /root/.ssh/id_xmss type -1
debug1: identity file /root/.ssh/id_xmss-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u6
debug1: Remote protocol version 2.0, remote software version OpenSSH_9.9
debug1: compat_banner: match: OpenSSH_9.9 pat OpenSSH* compat 0x04000000
debug1: Authenticating to 10.128.1.70:22 as 'root'
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: sntrup761x25519-sha512
debug1: kex: host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: SSH2_MSG_KEX_ECDH_REPLY received
debug1: Server host key: ssh-ed25519 SHA256:EAvWV3GG8odMD+k20F251zjwXNDbyLo/P7N2oY0DvFQ
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts.
debug1: ssh_packet_send2_wrapped: resetting send seqnr 3
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: ssh_packet_read_poll2: resetting read seqnr 3
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey in after 134217728 blocks
debug1: Will attempt key: /root/.ssh/id_rsa 
debug1: Will attempt key: /root/.ssh/id_ecdsa 
debug1: Will attempt key: /root/.ssh/id_ecdsa_sk 
debug1: Will attempt key: /root/.ssh/id_ed25519 
debug1: Will attempt key: /root/.ssh/id_ed25519_sk 
debug1: Will attempt key: /root/.ssh/id_xmss 
debug1: Will attempt key: /root/.ssh/id_dsa 
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519@openssh.com,sk-ecdsa-sha2-nistp256@openssh.com,rsa-sha2-512,rsa-sha2-256>
debug1: kex_input_ext_info: publickey-hostbound@openssh.com=<0>
debug1: kex_input_ext_info: ping@openssh.com (unrecognised)
debug1: SSH2_MSG_SERVICE_ACCEPT received
Authenticated to 10.128.1.70 ([10.128.1.70]:22) using "none".
debug1: channel 0: new session [client-session] (inactive timeout: 0)
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug1: pledge: network
debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0
debug1: Sending subsystem: sftp
debug1: pledge: fork
debug1: client_input_channel_req: channel 0 rtype exit-signal reply 0
debug1: client_input_channel_req: channel 0 rtype eow@openssh.com reply 0
debug1: channel 0: free: client-session, nchannels 1
Transferred: sent 3176, received 3932 bytes, in 0.5 seconds
Bytes per second: sent 6857.8, received 8490.2
debug1: Exit status -1
scp: Connection closed

run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 19
# git bisect skip bcb40cc11309a787a2bdefb3a77380151d1739a1
Bisecting: 41515 revisions left to test after this (roughly 15 steps)
[0ce551af516a8d7361b7254ce5c742380f68284c] arm64: dts: phygate-tauri-l: enable pcie phy

determine whether the revision contains the guilty commit
revision 081690e941188acfad41b8dbde2112029a2aa206 crashed and is reachable
testing commit 0ce551af516a8d7361b7254ce5c742380f68284c gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 0888324f2a3c2d574fbcb078ebe87c4ca0fa7a7d3bc0cbbaae4b018c94027f78
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 0ce551af516a8d7361b7254ce5c742380f68284c
Bisecting: 41515 revisions left to test after this (roughly 15 steps)
[0091c5a269eca7ab0e057c3083804daed9997f08] md/raid1: factor out helpers to choose the best rdev from read_balance()

determine whether the revision contains the guilty commit
revision d8723062a26b17080d89e6b4d360ba50d1e453dd crashed and is reachable
testing commit 0091c5a269eca7ab0e057c3083804daed9997f08 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 6e494458edb358961305480cd7e951b9f6ce1ce501ccdd0ce49518ee7e0a4862
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: out-of-bounds Write in inode2sd
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect good 0091c5a269eca7ab0e057c3083804daed9997f08
Bisecting: 24332 revisions left to test after this (roughly 15 steps)
[d34672777da3ea919e8adb0670ab91ddadf7dea0] Merge tag 'fbdev-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

determine whether the revision contains the guilty commit
revision d8723062a26b17080d89e6b4d360ba50d1e453dd crashed and is reachable
testing commit d34672777da3ea919e8adb0670ab91ddadf7dea0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 679e86f97251ca393139eb4f499ea97120ea5daca802ea13621f1815eedaf7c1
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good d34672777da3ea919e8adb0670ab91ddadf7dea0
Bisecting: 12006 revisions left to test after this (roughly 14 steps)
[51835949dda3783d4639cfa74ce13a3c9829de00] Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

determine whether the revision contains the guilty commit
revision d8723062a26b17080d89e6b4d360ba50d1e453dd crashed and is reachable
testing commit 51835949dda3783d4639cfa74ce13a3c9829de00 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 8f2a1547707527f2875cc42517e524ed67a7fe380810054f6549110d46d5b70c
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 51835949dda3783d4639cfa74ce13a3c9829de00
Bisecting: 12006 revisions left to test after this (roughly 14 steps)
[6ca728975654a7247b2e4aa2e9eb61043c833570] drm/xe: Store platform name in xe_device.info

determine whether the revision contains the guilty commit
revision 9187210eee7d87eea37b45ea93454a88681894a4 crashed and is reachable
testing commit 6ca728975654a7247b2e4aa2e9eb61043c833570 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 0004aee5165b7d477b09ef3119e59876284516b2ae83c7a901f9786f093a4321
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 6ca728975654a7247b2e4aa2e9eb61043c833570
Bisecting: 12006 revisions left to test after this (roughly 14 steps)
[0f360d489e33053cb1b4f2c73a15d306cbe11d81] iio: adc: ad7173: refactor device info structs

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 0f360d489e33053cb1b4f2c73a15d306cbe11d81 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c10500f0e75091b9bed04daac741bea0a3476eb7cdf640a1f73ecf25de96dd86
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 0f360d489e33053cb1b4f2c73a15d306cbe11d81
Bisecting: 12006 revisions left to test after this (roughly 14 steps)
[6ed31ba3921162ef5d4f2f99b91681e8fd24ff34] mm: memory: check userfaultfd_wp() in vmf_orig_pte_uffd_wp()

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 6ed31ba3921162ef5d4f2f99b91681e8fd24ff34 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c2e896e7d36bc2b17d08f64eaf0b1a984dd1dc24236a43ba9aabc97bbba4794e
all runs: OK
false negative chance: 0.003
# git bisect bad 6ed31ba3921162ef5d4f2f99b91681e8fd24ff34
Bisecting: 165 revisions left to test after this (roughly 7 steps)
[caf8cab7985794d7cc8b85143b11e258ea5c8a44] mm/gup: cache *pudp in follow_pud_mask()

determine whether the revision contains the guilty commit
revision 9187210eee7d87eea37b45ea93454a88681894a4 crashed and is reachable
testing commit caf8cab7985794d7cc8b85143b11e258ea5c8a44 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 523730631df190891a78dc857af1654483e2db7191765f9e562baac4af9171f5
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip caf8cab7985794d7cc8b85143b11e258ea5c8a44
Bisecting: 165 revisions left to test after this (roughly 7 steps)
[239e9a90c887d33e9339870a650d2bd621b95674] mm: introduce vma_pgtable_walk_{begin|end}()

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 239e9a90c887d33e9339870a650d2bd621b95674 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 53638517d201213123c1de61a2abc1744de22d7dca1cd23031e3852614d5f4a0
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good 239e9a90c887d33e9339870a650d2bd621b95674
Bisecting: 85 revisions left to test after this (roughly 7 steps)
[bd722058e34de4857bc554e786b7f41c747ad894] hugetlb: convert hugetlb_wp() to use struct vm_fault

determine whether the revision contains the guilty commit
revision 081690e941188acfad41b8dbde2112029a2aa206 crashed and is reachable
testing commit bd722058e34de4857bc554e786b7f41c747ad894 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: ef01e2cfcf262f983b61b4d04b417649abc14d766070b30e4e798deee4d6c02e
run #0: crashed: KASAN: out-of-bounds Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: out-of-bounds Write in inode2sd, types: [KASAN-WRITE KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip bd722058e34de4857bc554e786b7f41c747ad894
Bisecting: 85 revisions left to test after this (roughly 7 steps)
[529781b24b73b2b29d7f1a88799e99952749c96b] mm: remove export for get_unmapped_area()

determine whether the revision contains the guilty commit
revision 9187210eee7d87eea37b45ea93454a88681894a4 crashed and is reachable
testing commit 529781b24b73b2b29d7f1a88799e99952749c96b gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c61e35c71dd2c0922cc2d91c6a4aaf5ad2f814daac28b828a8f0a819f3b8f450
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 529781b24b73b2b29d7f1a88799e99952749c96b
Bisecting: 85 revisions left to test after this (roughly 7 steps)
[3931b871c4936c00c4e27c469056d8da47a3493f] mm: madvise: avoid split during MADV_PAGEOUT and MADV_COLD

determine whether the revision contains the guilty commit
revision 0091c5a269eca7ab0e057c3083804daed9997f08 crashed and is reachable
testing commit 3931b871c4936c00c4e27c469056d8da47a3493f gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: a89666a1cf1b8d2ec39e33e2273dbc729dcd8608f9f67576c77701fc606f5ad5
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 3931b871c4936c00c4e27c469056d8da47a3493f
Bisecting: 85 revisions left to test after this (roughly 7 steps)
[bf6f3c18400c469d03baffd22ddcb7f132845630] csky: use initializer for struct vm_unmapped_area_info

determine whether the revision contains the guilty commit
revision bcb40cc11309a787a2bdefb3a77380151d1739a1 crashed and is reachable
testing commit bf6f3c18400c469d03baffd22ddcb7f132845630 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 3588df0ddd0d28ecf36514bdfa8ede457acb7aafab3864157fef87725fd0ce81
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: crashed: KASAN: use-after-free Write in inode2sd
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good bf6f3c18400c469d03baffd22ddcb7f132845630
Bisecting: 73 revisions left to test after this (roughly 6 steps)
[a72a30af550c08423de1b9feecb6ceeddc434889] memory tier: dax/kmem: introduce an abstract layer for finding, allocating, and putting memory types

determine whether the revision contains the guilty commit
revision 3931b871c4936c00c4e27c469056d8da47a3493f crashed and is reachable
testing commit a72a30af550c08423de1b9feecb6ceeddc434889 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 1e1c0b39149f240a601d4a7960240da912e1a81b41cb357560297ee3521af232
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: crashed: KASAN: use-after-free Write in inode2sd
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good a72a30af550c08423de1b9feecb6ceeddc434889
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[452e862f4315d8e5e839fe1dc220fd2716be6d3a] mm/ksm: replace set_page_stable_node by folio_set_stable_node

determine whether the revision contains the guilty commit
revision 0091c5a269eca7ab0e057c3083804daed9997f08 crashed and is reachable
testing commit 452e862f4315d8e5e839fe1dc220fd2716be6d3a gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 369199055f11b43e06da685fa99a467879cabeff3f4b3a7c6c42e94628a7215c
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 452e862f4315d8e5e839fe1dc220fd2716be6d3a
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[5f8856cdae5db200844630e660f1a64eb1560578] xtensa/mm: convert check_tlb_entry() to sanity check folios

determine whether the revision contains the guilty commit
revision 0091c5a269eca7ab0e057c3083804daed9997f08 crashed and is reachable
testing commit 5f8856cdae5db200844630e660f1a64eb1560578 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 7566e44241eb3bbb485869fe90faabed1bd06939956db469eed09d815b88cd99
all runs: OK
false negative chance: 0.021
# git bisect bad 5f8856cdae5db200844630e660f1a64eb1560578
Bisecting: 11 revisions left to test after this (roughly 4 steps)
[05c5323b2a344c19c51cd1b91a4ab9ae90853794] mm: track mapcount of large folios in single value

determine whether the revision contains the guilty commit
revision 081690e941188acfad41b8dbde2112029a2aa206 crashed and is reachable
testing commit 05c5323b2a344c19c51cd1b91a4ab9ae90853794 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 1317aeec53a8bcce87d6e2e2ca778b07530eaa52110e0ab9b22c51cfceacd8d9
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: crashed: KASAN: use-after-free Write in inode2sd
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good 05c5323b2a344c19c51cd1b91a4ab9ae90853794
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[7115936ac10abd0997f2937e4305cb679d47b592] mm/page_alloc: use folio_mapped() in __alloc_contig_migrate_range()

determine whether the revision contains the guilty commit
revision caf8cab7985794d7cc8b85143b11e258ea5c8a44 crashed and is reachable
testing commit 7115936ac10abd0997f2937e4305cb679d47b592 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 2e8349270841b2ec189dc54af7a89ecf86699cf9682fcbbaaf2ef6c5bd59b159
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 7115936ac10abd0997f2937e4305cb679d47b592
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[f0376c71093577ab9ca30721f8a7f5795d1e88c7] mm/filemap: use folio_mapcount() in filemap_unaccount_folio()

determine whether the revision contains the guilty commit
revision 239e9a90c887d33e9339870a650d2bd621b95674 crashed and is reachable
testing commit f0376c71093577ab9ca30721f8a7f5795d1e88c7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 86a0cdba77aba9f49e9a65449337c1e82fb3a8fe109d4087bb020e40c8aa1cf9
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: crashed: KASAN: use-after-free Write in inode2sd
run #3: OK
run #4: OK
run #5: OK
run #6: crashed: KASAN: use-after-free Write in inode2sd
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect good f0376c71093577ab9ca30721f8a7f5795d1e88c7
Bisecting: 0 revisions left to test after this (roughly 1 step)
[6eca32567455db2db38b1126e0d6ad8f0e5c3ed9] trace/events/page_ref: trace the raw page mapcount value

determine whether the revision contains the guilty commit
revision a72a30af550c08423de1b9feecb6ceeddc434889 crashed and is reachable
testing commit 6eca32567455db2db38b1126e0d6ad8f0e5c3ed9 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 9fe4d0c492ca4ae8463f4dd8cac2866cb918bffce57746da92a30b6bfa3b73c1
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: crashed: KASAN: use-after-free Write in inode2sd
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 6eca32567455db2db38b1126e0d6ad8f0e5c3ed9
Bisecting: 0 revisions left to test after this (roughly 1 step)
[f2f8a7a006dca086d942eec2e469f8d831b62443] mm/migrate_device: use folio_mapcount() in migrate_vma_check_page()

determine whether the revision contains the guilty commit
revision d8723062a26b17080d89e6b4d360ba50d1e453dd crashed and is reachable
testing commit f2f8a7a006dca086d942eec2e469f8d831b62443 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 4623ccb7499070de99a4567b0f4de58ca49ef846484212ec28359ce6d8d93ae0
run #0: crashed: KASAN: use-after-free Write in inode2sd
run #1: crashed: KASAN: use-after-free Write in inode2sd
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in inode2sd, types: [KASAN-USE-AFTER-FREE-WRITE]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip f2f8a7a006dca086d942eec2e469f8d831b62443
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
6eca32567455db2db38b1126e0d6ad8f0e5c3ed9
f2f8a7a006dca086d942eec2e469f8d831b62443
5f8856cdae5db200844630e660f1a64eb1560578
We cannot bisect more!

accumulated error probability: 0.02
reproducer is flaky (0.17 repro chance estimate)
revisions tested: 35, total time: 11h26m21.227706347s (build: 3h6m32.106655437s, test: 7h57m50.958387545s)
bisection is inconclusive, the first good commit could be any of:
6eca32567455db2db38b1126e0d6ad8f0e5c3ed9
f2f8a7a006dca086d942eec2e469f8d831b62443
5f8856cdae5db200844630e660f1a64eb1560578