ci starts bisection 2025-12-16 02:43:35.052279554 +0000 UTC m=+1694604.577765676 bisecting cause commit starting from 4a5663c04bb679631985a15efab774da58c37815 building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit 4a5663c04bb679631985a15efab774da58c37815 testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5cabcdef1dd3d855e74c9f77a5062da4a052050abb1ab6d33acbf661d391ad85 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr run #10: crashed: INFO: task hung in ni_readpage_cmpr run #11: crashed: INFO: task hung in ni_readpage_cmpr run #12: crashed: INFO: task hung in ni_readpage_cmpr run #13: crashed: INFO: task hung in ni_readpage_cmpr run #14: crashed: INFO: task hung in ni_readpage_cmpr run #15: crashed: INFO: task hung in ni_readpage_cmpr run #16: crashed: INFO: task hung in ni_readpage_cmpr run #17: crashed: INFO: task hung in ni_readpage_cmpr run #18: crashed: INFO: task hung in ni_readpage_cmpr run #19: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5fa2b86dfde743871a48748c9c3644902c6bd5c34ec4f20dabeb60615c054904 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4 kconfig minimization: base=4116 full=8577 leaves diff=2171 split chunks (needed=false): <2171> split chunk #0 of len 2171 into 5 parts testing without sub-chunk 1/5 testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2a90dd9fbce73e293e47bf6eb3d837f9e3105e75d09e0aee0021ca9bd21a025e run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: INFO: task hung in ni_readpage_cmpr run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 476eedc434cc93082dccce88a95c614cb075a8e39ddcba69edfbe37f0487d436 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ed16055f2d0e7a8311b5b3e895f648a3d45e264b1684bf1692af5570da08a056 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 2 testing without sub-chunk 4/5 testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7635934cc3ecd0671afadad81d3db4bba7a289cf4ee897c9cc6f6434c2a2e622 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 testing without sub-chunk 5/5 testing commit 4a5663c04bb679631985a15efab774da58c37815 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 195ff44dfe816ce919d2f35a879cd1dff8e5db90246b958b2ef5964e5341e4e4 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] the chunk can be dropped minimized to 870 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BPF_JIT BPF_SYSCALL BRIDGE BRIDGE_NETFILTER BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CAN CFG80211 CHECKPOINT_RESTORE CMA DAX DIBS DLM DMABUF_HEAPS DRM DVB_CORE ENCRYPTED_KEYS EXTCON FB_CORE GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_LOGITECH HID_NINTENDO HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM 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_IPTABLES_LEGACY IP6_NF_MANGLE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_FILTER IP_NF_IPTABLES_LEGACY IP_NF_MANGLE IP_NF_MATCH_TTL IP_NF_NAT IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_MASQUERADE IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_REJECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH 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_TCP 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 KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMMON KVM_COMPAT KVM_ELIDE_TLB_FLUSH_IF_YOUNG KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRE_FAULT_MEMORY KVM_GUEST_MEMFD KVM_HYPERV KVM_IOAPIC KVM_MMIO KVM_MMU_LOCKLESS_AGING KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_X86 KVM_XEN L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_CLASS_MULTICOLOR LEGACY_PTYS LIBNVDIMM LINEAR_RANGES LLC LLC2 LOCALVERSION_AUTO LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_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 MCTP MDIO_MVUSB MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_DEFAULT_ONLINE_TYPE_ONLINE_AUTO 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 MM_ID MODULE_SRCVERSION_ALL 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_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_CONNCOUNT 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_XTABLES_LEGACY 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_NAT NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_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_CRC32C NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_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_SHAPER 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_VENDOR_MUCSE 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_EXTHDR_DCCP 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_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 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 NLS_UCS2_UTILS NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF 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 OPTEE_STATIC_PROTMEM_POOL ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE 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 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 PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT POSIX_AUX_CLOCKS PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RAMDAX 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 REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RUSTC_HAS_SLICE_AS_FLATTENED RXKAD SCHED_CORE SCREEN_INFO 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_DEFAULT_COOKIE_HMAC_SHA256 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMC_HS_CTRL_BPF SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY 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_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 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_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI 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 STEAM_FF STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT 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 TEE TEE_DMABUF_HEAPS TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOOLS_SUPPORT_RELR 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 TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRANSPARENT_HUGEPAGE_SHMEM_HUGE_NEVER TRANSPARENT_HUGEPAGE_TMPFS_HUGE_NEVER TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 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 UCSI_STM32G0 UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG UNWIND_USER USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS VIDEO_DEV VXLAN WAN WATCH_QUEUE WIRELESS WLAN WLAN_VENDOR_PURELIFI WWAN X25 ZONE_DEVICE] picked [v6.18 v6.17 v6.16 v6.14 v6.12 v6.10 v6.8 v6.6 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 41 release tags testing release v6.18 testing commit 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7bae93d7f808e369f384597b5064020bad56ec6e2769b0be3a47e3d7d1737c24 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect start 4a5663c04bb679631985a15efab774da58c37815 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 Bisecting: 6967 revisions left to test after this (roughly 13 steps) [2aa680df68062e4e0c356ec2aa7100c13654907b] Merge tag 'sound-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 2aa680df68062e4e0c356ec2aa7100c13654907b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ac8d1ebb4370334ff5f61d6ee50a08efd064b49fcd7652506ef755830e3b9f62 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] # git bisect bad 2aa680df68062e4e0c356ec2aa7100c13654907b Bisecting: 3558 revisions left to test after this (roughly 12 steps) [8f7aa3d3c7323f4ca2768a9e74ebbe359c4f8f88] Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 8f7aa3d3c7323f4ca2768a9e74ebbe359c4f8f88 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 68b1431379019cb40e21e2f6e3181534725b44ef46091ab3b5575fbcd0cf7837 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 8f7aa3d3c7323f4ca2768a9e74ebbe359c4f8f88 Bisecting: 1719 revisions left to test after this (roughly 11 steps) [b3239df349c2c2c94686674489c9629c89ca49a1] Merge tag 'drm-misc-next-2025-12-01-1' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next testing commit b3239df349c2c2c94686674489c9629c89ca49a1 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 65957c5a7feaacdb0c98a9b1ccf8ef7b87d63f78215f22d0fa0907edad68e0be run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good b3239df349c2c2c94686674489c9629c89ca49a1 Bisecting: 854 revisions left to test after this (roughly 10 steps) [d7aa60d966461ca6114dc348e97889dc8850ff7f] Merge tag 'media/v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit d7aa60d966461ca6114dc348e97889dc8850ff7f gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 19efd7cbe12dd5850562821ee6c0bf55f85c84cfc4c53f755146a6afb3d253e0 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 3 # git bisect skip d7aa60d966461ca6114dc348e97889dc8850ff7f Bisecting: 854 revisions left to test after this (roughly 10 steps) [b4403cf77e39c2d0e2694b1cf5311683cbfac789] ASoC: codecs: hdmi-codec: convert to snd_soc_dapm_xxx() testing commit b4403cf77e39c2d0e2694b1cf5311683cbfac789 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e8964d6e29200a4ed5baaa89db34648d7bccc7506464fb60dee04bb16deed132 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good b4403cf77e39c2d0e2694b1cf5311683cbfac789 Bisecting: 709 revisions left to test after this (roughly 9 steps) [559e608c46553c107dbba19dae0854af7b219400] Merge tag 'ntfs3_for_6.19' of https://github.com/Paragon-Software-Group/linux-ntfs3 testing commit 559e608c46553c107dbba19dae0854af7b219400 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d7a06fba63f10e92863e873d65e052755929725f72e815d166d5cf9ba6088b9e run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] # git bisect bad 559e608c46553c107dbba19dae0854af7b219400 Bisecting: 369 revisions left to test after this (roughly 8 steps) [cc25df3e2e22a956d3a0d427369367b4a901d203] Merge tag 'for-6.19/block-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux testing commit cc25df3e2e22a956d3a0d427369367b4a901d203 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1f364a40e30123fdf98405c18449eeb45a778d2879a1a0e12960222c61247eb2 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good cc25df3e2e22a956d3a0d427369367b4a901d203 Bisecting: 200 revisions left to test after this (roughly 8 steps) [477e31fd1e81ef925ce55931bcdbf609ba2207c8] Merge tag 'erofs-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs testing commit 477e31fd1e81ef925ce55931bcdbf609ba2207c8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 10ebd11ad3a4b2ab2a704c7d51080932ac418b6ba3ee6c43e6c6ea8d65bcd50e run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 477e31fd1e81ef925ce55931bcdbf609ba2207c8 Bisecting: 85 revisions left to test after this (roughly 7 steps) [afcbce74f358a540761aa893939590a667162dff] Merge tag 'gfs2-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit afcbce74f358a540761aa893939590a667162dff gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 659290da529e6b82de0cf7ff2f9765c16198c5b6e869ddf30004a358c4032861 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good afcbce74f358a540761aa893939590a667162dff Bisecting: 42 revisions left to test after this (roughly 6 steps) [2a8de76b2b0f84333a2778db04ce51811c260d9d] ext4: add EXT4_LBLK_TO_PG and EXT4_PG_TO_LBLK for block/page conversion testing commit 2a8de76b2b0f84333a2778db04ce51811c260d9d gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 176fb87598dae50ed3559f6bf0d16b0e2cb4bbaeff7b86e350c7e559e7224ad7 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 2a8de76b2b0f84333a2778db04ce51811c260d9d Bisecting: 20 revisions left to test after this (roughly 5 steps) [2469f2e78d074bf2d416ea82c32b154f5632effe] fs/ntfs3: Fix spelling mistake "recommened" -> "recommended" testing commit 2469f2e78d074bf2d416ea82c32b154f5632effe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d6e9a8b96d1e07b889b1a88279272042484e57f598c6967a9767c42384de9d23 all runs: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] # git bisect bad 2469f2e78d074bf2d416ea82c32b154f5632effe Bisecting: 10 revisions left to test after this (roughly 4 steps) [d1693a7d5a38acf6424235a6070bcf5b186a360d] ntfs: set dummy blocksize to read boot_block when mounting testing commit d1693a7d5a38acf6424235a6070bcf5b186a360d gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 54ead93b957ca357e8efeac75669dab54650d3f6bf646ff9f40f034af3e0e3f4 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc 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 false negative chance: 0.000 # git bisect good d1693a7d5a38acf6424235a6070bcf5b186a360d Bisecting: 5 revisions left to test after this (roughly 3 steps) [a8a3ca23bbd9d849308a7921a049330dc6c91398] fs/ntfs3: Initialize allocated memory before use testing commit a8a3ca23bbd9d849308a7921a049330dc6c91398 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e2c1df4a4f78944b1b996e82352fd3c8e91ca41f9e186957a5e03f51c0eb4ba8 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] # git bisect bad a8a3ca23bbd9d849308a7921a049330dc6c91398 Bisecting: 2 revisions left to test after this (roughly 1 step) [5f33da04e6ceee849e76e6592cc283c72fef7af9] fs/ntfs3: fix KMSAN uninit-value in ni_create_attr_list testing commit 5f33da04e6ceee849e76e6592cc283c72fef7af9 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: dcc3094f8a82779acff7e97639bd9a9b2a9803a1af14d0dc0622d61c6befc70f run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 5f33da04e6ceee849e76e6592cc283c72fef7af9 Bisecting: 1 revision left to test after this (roughly 1 step) [c3856bb499eae0cd5773b609ee9aa8a0e6e42b6c] ntfs3: avoid memcpy size warning testing commit c3856bb499eae0cd5773b609ee9aa8a0e6e42b6c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 408513c1d049ff30f190208384a1ed3749223f83583dd8b19c7f873963b5e178 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good c3856bb499eae0cd5773b609ee9aa8a0e6e42b6c Bisecting: 0 revisions left to test after this (roughly 0 steps) [f35590ee26f5722bfe12cdff14396c4c057a8f74] fs/ntfs3: remove ntfs_bio_pages and use page cache for compressed I/O testing commit f35590ee26f5722bfe12cdff14396c4c057a8f74 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 002eccf3b1b8e9a523fcea91ade530c6fb44377d60a5ccfded7bca4048d558c3 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: INFO: task hung in ni_readpage_cmpr run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ni_readpage_cmpr representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] # git bisect bad f35590ee26f5722bfe12cdff14396c4c057a8f74 f35590ee26f5722bfe12cdff14396c4c057a8f74 is the first bad commit commit f35590ee26f5722bfe12cdff14396c4c057a8f74 Author: Konstantin Komarov Date: Tue Oct 14 20:36:17 2025 +0300 fs/ntfs3: remove ntfs_bio_pages and use page cache for compressed I/O Replace the use of ntfs_bio_pages with the disk page cache for reading and writing compressed files. This slightly improves performance when reading compressed data and simplifies the I/O logic. When an XPRESS or LZX compressed file is opened for writing, it is now decompressed into a normal file before modification. A new argument (`int copy`) is added to ni_read_frame() to handle writing of decompressed and mapped data. Signed-off-by: Konstantin Komarov fs/ntfs3/attrib.c | 4 +- fs/ntfs3/file.c | 6 +-- fs/ntfs3/frecord.c | 152 ++++++++++++++--------------------------------------- fs/ntfs3/fsntfs.c | 123 +++++++++++++++++++------------------------ fs/ntfs3/inode.c | 1 - fs/ntfs3/ntfs_fs.h | 20 +++++-- 6 files changed, 114 insertions(+), 192 deletions(-) accumulated error probability: 0.00 culprit signature: 002eccf3b1b8e9a523fcea91ade530c6fb44377d60a5ccfded7bca4048d558c3 parent signature: 408513c1d049ff30f190208384a1ed3749223f83583dd8b19c7f873963b5e178 revisions tested: 24, total time: 10h52m56.761159607s (build: 6h21m35.900813673s, test: 3h53m12.981806869s) first bad commit: f35590ee26f5722bfe12cdff14396c4c057a8f74 fs/ntfs3: remove ntfs_bio_pages and use page cache for compressed I/O recipients (to): ["almaz.alexandrovich@paragon-software.com" "almaz.alexandrovich@paragon-software.com" "ntfs3@lists.linux.dev"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: INFO: task hung in ni_readpage_cmpr INFO: task syz.2.17:5259 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:23128 pid:5259 tgid:5258 ppid:4735 task_flags:0x440140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1784/0x4cb0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0x165/0x360 kernel/sched/core.c:7026 io_schedule+0x80/0xd0 kernel/sched/core.c:7871 folio_wait_bit_common+0x6b0/0xb80 mm/filemap.c:1330 __folio_lock mm/filemap.c:1706 [inline] folio_lock include/linux/pagemap.h:1141 [inline] __filemap_get_folio+0x143/0x9e0 mm/filemap.c:1960 ntfs_lock_new_page+0x2d/0x7c0 fs/ntfs3/frecord.c:2026 ni_readpage_cmpr+0x685/0x940 fs/ntfs3/frecord.c:2100 ntfs_read_folio+0x18d/0x200 fs/ntfs3/inode.c:739 read_pages+0x35d/0x580 mm/readahead.c:173 page_cache_ra_unbounded+0x75e/0x9a0 mm/readahead.c:302 do_sync_mmap_readahead+0x25e/0x7a0 mm/filemap.c:-1 filemap_fault+0x6b9/0x12b0 mm/filemap.c:3489 __do_fault+0x138/0x390 mm/memory.c:5280 do_read_fault mm/memory.c:5698 [inline] do_fault mm/memory.c:5832 [inline] do_pte_missing mm/memory.c:4361 [inline] handle_pte_fault mm/memory.c:6177 [inline] __handle_mm_fault+0x33ab/0x54b0 mm/memory.c:6318 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6487 do_user_addr_fault+0x4b5/0x1230 arch/x86/mm/fault.c:1387 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0010:rep_movs_alternative+0x4a/0x90 arch/x86/lib/copy_user_64.S:74 Code: f5 03 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb c5 a4 c3 cc cc cc cc 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 RSP: 0018:ffffc9000420fcf8 EFLAGS: 00050202 RAX: 00007ffffffff001 RBX: 0000000000000094 RCX: 0000000000000094 RDX: 0000000000000001 RSI: 00002000000036c0 RDI: ffffc9000420fd60 RBP: ffffc9000420feb8 R08: ffffc9000420fdf3 R09: 1ffff92000841fbe R10: dffffc0000000000 R11: fffff52000841fbf R12: 1ffff92000841fa8 R13: 0000000000000094 R14: ffffc9000420fd60 R15: 00002000000036c0 copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline] _inline_copy_from_user include/linux/uaccess.h:178 [inline] _copy_from_user+0x7a/0xb0 lib/usercopy.c:18 copy_from_user include/linux/uaccess.h:212 [inline] copy_from_bpfptr_offset include/linux/bpfptr.h:53 [inline] copy_from_bpfptr include/linux/bpfptr.h:59 [inline] __sys_bpf+0x1e3/0x860 kernel/bpf/syscall.c:6107 __do_sys_bpf kernel/bpf/syscall.c:6244 [inline] __se_sys_bpf kernel/bpf/syscall.c:6242 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6242 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcd62f8f749 RSP: 002b:00007fcd63d76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fcd631e5fa0 RCX: 00007fcd62f8f749 RDX: 0000000000000094 RSI: 00002000000036c0 RDI: 0000000000000005 RBP: 00007fcd63013f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcd631e6038 R14: 00007fcd631e5fa0 R15: 00007fffb26a60b8 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff896d6720 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff896d6720 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline] #0: ffffffff896d6720 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775 2 locks held by getty/2857: #0: ffff888021dde0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900000cb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 2 locks held by syz.2.17/5259: #0: ffff8880680029a0 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff8880680029a0 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888068002568 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888068002568 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 2 locks held by syz.3.18/5620: #0: ffff888073cc0c80 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff888073cc0c80 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888073cc0848 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888073cc0848 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 2 locks held by syz.4.19/5986: #0: ffff888068250c80 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff888068250c80 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888068250848 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888068250848 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 2 locks held by syz.5.20/6351: #0: ffff8880682579b8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff8880682579b8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888068257580 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888068257580 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 2 locks held by syz.6.21/6719: #0: ffff888073cc1b10 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff888073cc1b10 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888073cc16d8 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888073cc16d8 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 2 locks held by syz.7.22/7084: #0: ffff888073cc79b8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff888073cc79b8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888073cc7580 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888073cc7580 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 2 locks held by syz.8.23/7449: #0: ffff888073cc46c0 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1045 [inline] #0: ffff888073cc46c0 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1df/0x9a0 mm/readahead.c:233 #1: ffff888073cc4288 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1126 [inline] #1: ffff888073cc4288 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline] watchdog+0xf60/0xfa0 kernel/hung_task.c:495 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:82 Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 ec 25 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffffff89407d80 EFLAGS: 000002c6 RAX: 62c576d0118a7600 RBX: ffffffff817ce947 RCX: 62c576d0118a7600 RDX: 0000000000000001 RSI: ffffffff890fdc21 RDI: ffffffff88005a60 RBP: ffffffff89407ec0 R08: ffff8880b9432f1b R09: 1ffff110172865e3 R10: dffffc0000000000 R11: ffffed10172865e4 R12: ffffffff8a64c570 R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1288720 FS: 0000000000000000(0000) GS:ffff88812ce5a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556910c4a8 CR3: 000000007d61c000 CR4: 00000000003506f0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:767 default_idle_call+0x73/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:190 [inline] do_idle+0x1e7/0x510 kernel/sched/idle.c:330 cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:428 rest_init+0x2de/0x300 init/main.c:757 start_kernel+0x314/0x380 init/main.c:1111 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x147