ci2 starts bisection 2023-12-03 15:21:19.894190652 +0000 UTC m=+311590.540767943 bisecting fixing commit since 9d6bde853685609a631871d7c12be94fdf8d912e building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec ensuring issue is reproducible on original commit 9d6bde853685609a631871d7c12be94fdf8d912e testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b7c29f9245ec6af4618ffe284e1583cefe17936b2be96af53617becacce1386 run #0: crashed: INFO: rcu detected stall in fq_pie_timer run #1: crashed: INFO: rcu detected stall in fq_pie_timer run #2: crashed: INFO: rcu detected stall in fq_pie_timer run #3: crashed: INFO: rcu detected stall in fq_pie_timer run #4: crashed: INFO: rcu detected stall in devkmsg_write run #5: crashed: INFO: rcu detected stall in fq_pie_timer run #6: crashed: INFO: rcu detected stall in fq_pie_timer run #7: crashed: INFO: rcu detected stall in fq_pie_timer run #8: crashed: INFO: rcu detected stall in fq_pie_timer run #9: crashed: INFO: rcu detected stall in fq_pie_timer run #10: crashed: INFO: rcu detected stall in sys_readlink run #11: crashed: INFO: rcu detected stall in fq_pie_timer run #12: crashed: INFO: rcu detected stall in fq_pie_timer run #13: crashed: INFO: rcu detected stall in fq_pie_timer run #14: crashed: INFO: rcu detected stall in fq_pie_timer run #15: crashed: INFO: rcu detected stall in fq_pie_timer run #16: crashed: INFO: rcu detected stall in fq_pie_timer run #17: crashed: INFO: rcu detected stall in fq_pie_timer run #18: crashed: INFO: rcu detected stall in fq_pie_timer run #19: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fceee726bcf82524f502570c985dfefa921276e70e29a6575f4661c9cf01992f run #0: crashed: INFO: rcu detected stall in fq_pie_timer run #1: crashed: INFO: rcu detected stall in fq_pie_timer run #2: crashed: INFO: rcu detected stall in fq_pie_timer run #3: crashed: INFO: rcu detected stall in batadv_nc_worker run #4: crashed: INFO: rcu detected stall in fq_pie_timer run #5: crashed: INFO: rcu detected stall in fq_pie_timer run #6: crashed: INFO: rcu detected stall in fq_pie_timer run #7: crashed: INFO: rcu detected stall in fq_pie_timer run #8: crashed: INFO: rcu detected stall in newfstatat run #9: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed kconfig minimization: base=3703 full=7272 leaves diff=1986 split chunks (needed=false): <1986> split chunk #0 of len 1986 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7a7979f2363ae244ae0e25a77d511b2f80bc9fcfe748b108fdb14e2363292036 run #0: crashed: INFO: rcu detected stall in fq_pie_timer run #1: crashed: INFO: rcu detected stall in fq_pie_timer run #2: crashed: INFO: rcu detected stall in vma_merge run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in sys_unlink run #6: crashed: INFO: rcu detected stall in sys_unlink run #7: crashed: INFO: rcu detected stall in fq_pie_timer run #8: crashed: INFO: rcu detected stall in fq_pie_timer run #9: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 04d155df5362c1437ee884cffc4043612bdac555bcf02f93452d26234591b73e run #0: crashed: INFO: rcu detected stall in fq_pie_timer run #1: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in fq_pie_timer run #4: crashed: INFO: rcu detected stall in fq_pie_timer run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in fq_pie_timer run #7: crashed: INFO: rcu detected stall in fq_pie_timer run #8: crashed: INFO: rcu detected stall in fq_pie_timer run #9: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69a2aba262c4b900264772e89b193c5ebade1199bb04348f4521348791404af3 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 023b590e369f89049c3ba3d2fb6f1ba68e84e0277d8ec4bf99bb7ce7cf7fa7f9 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in fq_pie_timer run #2: crashed: INFO: rcu detected stall in fq_pie_timer run #3: crashed: INFO: rcu detected stall in fq_pie_timer run #4: crashed: INFO: rcu detected stall in fq_pie_timer run #5: crashed: INFO: rcu detected stall in fq_pie_timer run #6: crashed: INFO: rcu detected stall in fq_pie_timer run #7: crashed: INFO: rcu detected stall in fq_pie_timer run #8: crashed: INFO: rcu detected stall in fq_pie_timer run #9: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 07d459a515ff48aa7c36469c226cd432033eaaa69b6a0b2b57937e7746f313ea run #0: crashed: INFO: rcu detected stall in fq_pie_timer 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: INFO: rcu detected stall in fq_pie_timer, types: [HANG] minimized to 792 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BRIDGE BRIDGE_NETFILTER CAN CARDBUS CFG80211 CFG80211_WEXT CHECKPOINT_RESTORE CMA CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB FRONTSWAP FSCACHE GPIOLIB HAMRADIO HID_ZEROPLUS HSR I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS IRQ_REMAP ISDN JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_INTEL KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TEST_SUPPORT MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTPLUG_SPARSE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MFD_VIPERBOARD MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BLK ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETFS_SUPPORT NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_IPT NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_CGROUP NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 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_ATM NET_SCH_CAKE NET_SCH_CBQ NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_DSMARK 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_V2_ACL NFSD_V3 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 PARPORT PARTITION_ADVANCED PCCARD PCMCIA PHONET PSAMPLE RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STKWEBCAM USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USB_ZR364XX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2 VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WAN WANT_DEV_COREDUMP WATCH_QUEUE WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WWAN X25 X86_SGX X86_X2APIC X86_X32 XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between 9d6bde853685609a631871d7c12be94fdf8d912e and 33cc938e65a98f1d29d0a18403dbbee050dcad9a 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: d91bf718c40db10ff8eb387957d02e32d2d34d670929941f8fcae680777cdc4e run #0: crashed: INFO: rcu detected stall in fq_pie_timer run #1: crashed: INFO: rcu detected stall in fq_pie_timer run #2: crashed: INFO: rcu detected stall in fq_pie_timer run #3: crashed: INFO: rcu detected stall in fq_pie_timer run #4: crashed: INFO: rcu detected stall in fq_pie_timer run #5: crashed: INFO: rcu detected stall in fq_pie_timer run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in fq_pie_timer run #8: crashed: INFO: rcu detected stall in fq_pie_timer run #9: crashed: INFO: rcu detected stall in fq_pie_timer run #10: crashed: INFO: rcu detected stall in fq_pie_timer run #11: crashed: INFO: rcu detected stall in sys_unlink run #12: crashed: INFO: rcu detected stall in fq_pie_timer run #13: crashed: INFO: rcu detected stall in fq_pie_timer run #14: crashed: INFO: rcu detected stall in sys_exit_group run #15: crashed: INFO: rcu detected stall in recvmsg run #16: crashed: INFO: rcu detected stall in fq_pie_timer run #17: crashed: INFO: rcu detected stall in fq_pie_timer run #18: crashed: INFO: rcu detected stall in fq_pie_timer run #19: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] testing current HEAD 33cc938e65a98f1d29d0a18403dbbee050dcad9a testing commit 33cc938e65a98f1d29d0a18403dbbee050dcad9a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 535a9f3cac2df7a64ef832450fe921c6f00a44fe3bdcf490fe9a9c550b2f440a all runs: OK false negative chance: 0.000 # git bisect start 33cc938e65a98f1d29d0a18403dbbee050dcad9a 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 94832 revisions left to test after this (roughly 17 steps) [2d90a1c054831338d57b39aec4d273cf3e867590] drm/amd/display: Defer DIG FIFO disable after VID stream enable determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 2d90a1c054831338d57b39aec4d273cf3e867590 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4073b94abdf0141343c91c915706ca3ef43096cc7b0e457eda43e81106eefadb run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 2d90a1c054831338d57b39aec4d273cf3e867590 Bisecting: 47454 revisions left to test after this (roughly 16 steps) [6878eb59d92cc0aff170179480dc32795ac7513b] Merge branch 'tools-ynl-generate-code-for-the-handshake-family' determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 6878eb59d92cc0aff170179480dc32795ac7513b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: edfbf8ca783638deaa09471414e51fc76a3972d9ce4e4ec75e1c5625abe0e296 all runs: OK false negative chance: 0.000 # git bisect bad 6878eb59d92cc0aff170179480dc32795ac7513b Bisecting: 23069 revisions left to test after this (roughly 15 steps) [a5c95ca18a98d742d0a4a04063c32556b5b66378] Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit a5c95ca18a98d742d0a4a04063c32556b5b66378 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9692d9955d0c6fe46219cb07f43197d79f0114996ccf2f619f6747820b6d9cae run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in dput run #8: crashed: INFO: rcu detected stall in corrupted run #9: OK run #10: crashed: INFO: rcu detected stall in corrupted run #11: OK run #12: OK run #13: crashed: INFO: rcu detected stall in corrupted run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good a5c95ca18a98d742d0a4a04063c32556b5b66378 Bisecting: 11498 revisions left to test after this (roughly 14 steps) [2c96606a0f8b7900387dbeb6532b59527999834d] Merge tag 'gpio-updates-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux determine whether the revision contains the guilty commit revision 2d90a1c054831338d57b39aec4d273cf3e867590 crashed and is reachable testing commit 2c96606a0f8b7900387dbeb6532b59527999834d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 127e762b90ccd4c31530531f80edc77ae5007bfff1070a7d7eb38e8743ae7c57 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in sys_clone run #13: crashed: INFO: rcu detected stall in corrupted run #14: OK run #15: crashed: INFO: rcu detected stall in sys_exit_group run #16: crashed: INFO: rcu detected stall in corrupted run #17: OK run #18: crashed: INFO: rcu detected stall in corrupted run #19: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 2c96606a0f8b7900387dbeb6532b59527999834d Bisecting: 5786 revisions left to test after this (roughly 13 steps) [d06f5a3f7140921ada47d49574ae6fa4de5e2a89] cdx: fix build failure due to sysfs 'bus_type' argument needing to be const determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit d06f5a3f7140921ada47d49574ae6fa4de5e2a89 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d25984ff16280cf923b519e3ee2eeee7ad4655032bd7f00bdb97aae87b77fb3 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in sys_clone run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in sys_openat run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in sys_symlink run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in sys_openat run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: OK run #19: crashed: INFO: rcu detected stall in sys_rename representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good d06f5a3f7140921ada47d49574ae6fa4de5e2a89 Bisecting: 2870 revisions left to test after this (roughly 12 steps) [7994beabfbb9a15c069eba7833a00f5ff4da1172] Merge tag 'dmaengine-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine determine whether the revision contains the guilty commit revision d06f5a3f7140921ada47d49574ae6fa4de5e2a89 crashed and is reachable testing commit 7994beabfbb9a15c069eba7833a00f5ff4da1172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0523fc2a1ecb5859258ede45bdf52998915cc137f00833e1e598d6e2a67cad2d run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in sys_close run #6: crashed: INFO: rcu detected stall in schedule_tail run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in sys_clone run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in corrupted run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 7994beabfbb9a15c069eba7833a00f5ff4da1172 Bisecting: 1434 revisions left to test after this (roughly 11 steps) [2d1bcbc6cd703e64caf8df314e3669b4786e008a] Merge tag 'probes-fixes-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 2d1bcbc6cd703e64caf8df314e3669b4786e008a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 789ec6e25c6fcbe3e4de3f443e2e47d2d192dbbbae02b13bdf7aa533f1f78312 run #0: crashed: INFO: rcu detected stall in sys_unlink run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: crashed: INFO: rcu detected stall in corrupted run #10: OK run #11: OK run #12: crashed: INFO: rcu detected stall in corrupted run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in sys_unlink, types: [HANG] # git bisect good 2d1bcbc6cd703e64caf8df314e3669b4786e008a Bisecting: 684 revisions left to test after this (roughly 10 steps) [714069daa5d345483578e2ff77fb6f06f4dcba6a] Merge tag 'net-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision a5c95ca18a98d742d0a4a04063c32556b5b66378 crashed and is reachable testing commit 714069daa5d345483578e2ff77fb6f06f4dcba6a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7af17e26ad171796649cd6d673b54cb711ca3e30dc2ab9d13c233d5e12958ea0 all runs: OK false negative chance: 0.000 # git bisect bad 714069daa5d345483578e2ff77fb6f06f4dcba6a Bisecting: 415 revisions left to test after this (roughly 9 steps) [eb03e318135419b8b781f83cdfa7dbb9252afad6] Merge tag 'for-v6.4-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply determine whether the revision contains the guilty commit revision 2c96606a0f8b7900387dbeb6532b59527999834d crashed and is reachable testing commit eb03e318135419b8b781f83cdfa7dbb9252afad6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dcde822b7da48378b79c1fe831049c13ee7f324e0cdaf5c929bad170289d408d run #0: crashed: INFO: rcu detected stall in corrupted run #1: OK run #2: crashed: INFO: rcu detected stall in corrupted run #3: OK run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: OK run #12: crashed: INFO: rcu detected stall in corrupted run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: crashed: INFO: rcu detected stall in sys_openat representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good eb03e318135419b8b781f83cdfa7dbb9252afad6 Bisecting: 209 revisions left to test after this (roughly 8 steps) [957f3f8e5343041ddb9a1265ab661db259cc712e] Merge tag 'char-misc-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc determine whether the revision contains the guilty commit revision a5c95ca18a98d742d0a4a04063c32556b5b66378 crashed and is reachable testing commit 957f3f8e5343041ddb9a1265ab661db259cc712e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 31b43828df871194536ac13e8e8bb9081fd5490755ea5fd32383a339c1eaed11 run #0: crashed: INFO: rcu detected stall in sys_socket run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in oom_score_adj_write run #4: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #5: crashed: INFO: rcu detected stall in sys_exit_group run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in sys_clone run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: OK run #14: OK run #15: OK run #16: crashed: INFO: rcu detected stall in corrupted run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in sys_socket, types: [HANG] # git bisect good 957f3f8e5343041ddb9a1265ab661db259cc712e Bisecting: 104 revisions left to test after this (roughly 7 steps) [8fe72b76db79d694858e872370df49676bc3be8c] mailbox: mailbox-test: fix a locking issue in mbox_test_message_write() determine whether the revision contains the guilty commit revision d06f5a3f7140921ada47d49574ae6fa4de5e2a89 crashed and is reachable testing commit 8fe72b76db79d694858e872370df49676bc3be8c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 871ff4f2ce0101ce5e3f6451511b8601f2b9bc2575981d1b5d3d0d570f3b1e06 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in sys_clone run #3: crashed: INFO: rcu detected stall in sys_exit_group run #4: OK run #5: OK run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: OK run #9: crashed: INFO: rcu detected stall in corrupted run #10: OK run #11: crashed: INFO: rcu detected stall in corrupted run #12: OK run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: OK run #17: crashed: INFO: rcu detected stall in corrupted run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 8fe72b76db79d694858e872370df49676bc3be8c Bisecting: 52 revisions left to test after this (roughly 6 steps) [f4e4534850a9d18c250a93f8d7fbb51310828110] net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report determine whether the revision contains the guilty commit revision 2d90a1c054831338d57b39aec4d273cf3e867590 crashed and is reachable testing commit f4e4534850a9d18c250a93f8d7fbb51310828110 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e0edda5e8954d3f09165b822b5d1184bacaa2e0982566b6f79e09aae4b68151 all runs: OK false negative chance: 0.000 # git bisect bad f4e4534850a9d18c250a93f8d7fbb51310828110 Bisecting: 25 revisions left to test after this (roughly 5 steps) [9b9e46aa07273ceb96866b2e812b46f1ee0b8d2f] nfcsim.c: Fix error checking for debugfs_create_dir determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 9b9e46aa07273ceb96866b2e812b46f1ee0b8d2f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5271c7028590bdb8c87fa55c6778f33a6cbf09b7dd7eaa4c4d71455b6eba9656 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in sys_clock_nanosleep run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in sys_exit_group run #6: crashed: INFO: rcu detected stall in schedule_tail run #7: OK run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: OK run #11: crashed: INFO: rcu detected stall in corrupted run #12: OK run #13: OK run #14: OK run #15: OK run #16: crashed: INFO: rcu detected stall in corrupted run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 9b9e46aa07273ceb96866b2e812b46f1ee0b8d2f Bisecting: 12 revisions left to test after this (roughly 4 steps) [0f4955a40dafe18a1122e3714d8173e4b018e869] selftests: mptcp: pm nl: skip if MPTCP is not supported determine whether the revision contains the guilty commit revision 9b9e46aa07273ceb96866b2e812b46f1ee0b8d2f crashed and is reachable testing commit 0f4955a40dafe18a1122e3714d8173e4b018e869 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7bbdf45de2934d166eaa3ec7e39a706fdd5a8d08516d5d448840fd65f85ee10 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: OK run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in sys_clone 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: crashed: INFO: rcu detected stall in corrupted run #17: OK run #18: crashed: INFO: rcu detected stall in corrupted run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 0f4955a40dafe18a1122e3714d8173e4b018e869 Bisecting: 6 revisions left to test after this (roughly 3 steps) [7ba0732c805fdc623494ff36245d84222ba893e3] Merge branch 'selftests-mptcp-skip-tests-not-supported-by-old-kernels-part-1' determine whether the revision contains the guilty commit revision 2d90a1c054831338d57b39aec4d273cf3e867590 crashed and is reachable testing commit 7ba0732c805fdc623494ff36245d84222ba893e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d9662df3285993fbd87513e42a17eb2acce650347b6d726a9099224eb2048088 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: OK run #6: crashed: INFO: rcu detected stall in sys_clone run #7: OK run #8: crashed: INFO: rcu detected stall in corrupted run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in sys_openat run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 7ba0732c805fdc623494ff36245d84222ba893e3 Bisecting: 3 revisions left to test after this (roughly 2 steps) [f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219] net/sched: Reserve TC_H_INGRESS (TC_H_CLSACT) for ingress (clsact) Qdiscs determine whether the revision contains the guilty commit revision d06f5a3f7140921ada47d49574ae6fa4de5e2a89 crashed and is reachable testing commit f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ab3e58bcddab9e8a4d624c1447bcf00a860194fd34aca07ba60380d6f3eefa34 all runs: OK false negative chance: 0.000 # git bisect bad f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219 Bisecting: 0 revisions left to test after this (roughly 1 step) [5eeebfe6c493192b10d516abfd72742900f2a162] net/sched: sch_clsact: Only create under TC_H_CLSACT determine whether the revision contains the guilty commit revision a5c95ca18a98d742d0a4a04063c32556b5b66378 crashed and is reachable testing commit 5eeebfe6c493192b10d516abfd72742900f2a162 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 06b9761bc8e537a21af3aeaa6bc4f83290e71c1f582dc68ccc3ee1a742927049 run #0: OK run #1: crashed: INFO: rcu detected stall in corrupted run #2: OK run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: OK run #10: OK run #11: OK run #12: crashed: INFO: rcu detected stall in sys_sendmsg run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect good 5eeebfe6c493192b10d516abfd72742900f2a162 f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219 is the first bad commit commit f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219 Author: Peilin Ye Date: Mon May 29 12:54:03 2023 -0700 net/sched: Reserve TC_H_INGRESS (TC_H_CLSACT) for ingress (clsact) Qdiscs Currently it is possible to add e.g. an HTB Qdisc under ffff:fff1 (TC_H_INGRESS, TC_H_CLSACT): $ ip link add name ifb0 type ifb $ tc qdisc add dev ifb0 parent ffff:fff1 htb $ tc qdisc add dev ifb0 clsact Error: Exclusivity flag on, cannot modify. $ drgn ... >>> ifb0 = netdev_get_by_name(prog, "ifb0") >>> qdisc = ifb0.ingress_queue.qdisc_sleeping >>> print(qdisc.ops.id.string_().decode()) htb >>> qdisc.flags.value_() # TCQ_F_INGRESS 2 Only allow ingress and clsact Qdiscs under ffff:fff1. Return -EINVAL for everything else. Make TCQ_F_INGRESS a static flag of ingress and clsact Qdiscs. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Fixes: 1f211a1b929c ("net, sched: add clsact qdisc") Tested-by: Pedro Tammela Acked-by: Jamal Hadi Salim Reviewed-by: Jamal Hadi Salim Reviewed-by: Vlad Buslov Signed-off-by: Peilin Ye Signed-off-by: Jakub Kicinski net/sched/sch_api.c | 7 ++++++- net/sched/sch_ingress.c | 4 ++-- 2 files changed, 8 insertions(+), 3 deletions(-) accumulated error probability: 0.00 culprit signature: ab3e58bcddab9e8a4d624c1447bcf00a860194fd34aca07ba60380d6f3eefa34 parent signature: 06b9761bc8e537a21af3aeaa6bc4f83290e71c1f582dc68ccc3ee1a742927049 reproducer is flaky (0.41 repro chance estimate) revisions tested: 26, total time: 6h40m40.725659708s (build: 1h53m13.789988678s, test: 4h37m12.849812471s) first good commit: f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219 net/sched: Reserve TC_H_INGRESS (TC_H_CLSACT) for ingress (clsact) Qdiscs recipients (to): ["jhs@mojatatu.com" "kuba@kernel.org" "pctammela@mojatatu.com" "peilin.ye@bytedance.com" "vladbu@nvidia.com"] recipients (cc): []