ci starts bisection 2023-12-23 18:56:47.485278172 +0000 UTC m=+87835.082043636 bisecting cause commit starting from 7c5e046bdcb2513f9decb3765d8bf92d604279cf building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9 ensuring issue is reproducible on original commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79db0497c1f484631020d9163dc7fe548a6f7cf9253c0ccc1b4adee7fc3a7096 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: task hung in corrupted run #7: crashed: INFO: task hung in corrupted run #8: crashed: INFO: task hung in corrupted run #9: crashed: INFO: task hung in corrupted run #10: crashed: INFO: task hung in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: task hung in corrupted run #14: crashed: INFO: task hung in corrupted run #15: crashed: INFO: task hung in corrupted run #16: crashed: INFO: task hung in corrupted run #17: crashed: INFO: task hung in corrupted run #18: crashed: INFO: task hung in corrupted run #19: crashed: INFO: task hung in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1293390d35e7d26d7c5427af8f256564c9429efbff19610fc7ab70127aec46f 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 sys_umount run #4: crashed: INFO: rcu detected stall in security_file_open run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in hci_cmd_timeout run #7: crashed: INFO: rcu detected stall in hci_cmd_timeout run #8: crashed: INFO: rcu detected stall in hci_cmd_timeout run #9: crashed: INFO: rcu detected stall in hci_cmd_timeout representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed kconfig minimization: base=3923 full=7658 leaves diff=2005 split chunks (needed=false): <2005> split chunk #0 of len 2005 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 713e047278b82ca482686197694d55b1a9eddae27dca8c19703eca9b8a8c8230 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #2: crashed: INFO: rcu detected stall in do_sock_setsockopt 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 process_one_work run #8: crashed: INFO: rcu detected stall in gc_worker run #9: crashed: INFO: task hung in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 025cbe2a6dda24fec79288268da7192d97774eaa43580a73eb133d54768dbcd6 run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #1: crashed: INFO: rcu detected stall in addrconf_dad_work run #2: crashed: INFO: rcu detected stall in sys_getdents64 run #3: crashed: INFO: rcu detected stall in mld_dad_work run #4: crashed: INFO: rcu detected stall in sys_clock_nanosleep run #5: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in sys_getdents64 run #8: crashed: INFO: rcu detected stall in wg_packet_encrypt_worker run #9: crashed: INFO: rcu detected stall in sys_clock_nanosleep representative crash: INFO: rcu detected stall in syscall_exit_to_user_mode, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be6a95b0f116ac0d28fe85a09574b9a926d25d87f16425776bb927c6a6246ca5 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f3543bef756500121ab710b7a499c1d1d795d979939318a969f54ec097d9d03 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 fq_pie_timer run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in smp_call_function run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in smp_call_function representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed670a35a887444301e7145dc142b42aae9f72b7f5a77f5309e98533f16c509c all runs: OK false negative chance: 0.000 minimized to 802 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 COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB FB_CORE FSCACHE GPIOLIB HAMRADIO HID_ZEROPLUS HSR I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IOMMUFD IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IRQ_REMAP IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_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_GENERIC_HARDWARE_ENABLING KVM_INTEL KVM_MMIO KVM_PROVE_MMU 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 LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LRU_GEN LRU_GEN_ENABLED 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 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_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_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_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE 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_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV PARPORT PARTITION_ADVANCED PCCARD PCMCIA PHONET PSAMPLE RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RC_DEVICES RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM 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_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_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_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 USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_DEVICE_CDEV 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_TASK VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CMDLINE 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_NOMODESET VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV 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 WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS WWAN X25 X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI 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 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC] disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0efd69aeb2dc75c62f7f1b7443bb463a896498dd2c435884a94128087540a202 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #4: crashed: INFO: rcu detected stall in wg_packet_encrypt_worker run #5: crashed: INFO: rcu detected stall in cfg80211_wiphy_work 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 security_file_ioctl run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a47ef5ed3f7e6c27014996eb9b78447e092d2351bef858e91c7f3e0d75bcfcf 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 syscall_exit_to_user_mode 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_mkdirat run #6: crashed: INFO: rcu detected stall in smp_call_function run #7: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #8: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #9: crashed: INFO: rcu detected stall in sys_unlinkat representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a7ff12140bbf2587d2a93cc87fb1960ede17747847f6f0118efaed849e303f8 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 fq_pie_timer 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 representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4085f0964a73ad6bd9ed32df828eff1a2fb90cfd4a4e3849c602a83dbe6b3e61 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 syscall_exit_to_user_mode run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2385503241" "root@10.128.1.46:./syz-executor2385503241"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.46, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.46 [10.128.1.46] port 22. debug1: connect to address 10.128.1.46 port 22: Connection timed out ssh: connect to host 10.128.1.46 port 22: Connection timed out scp: Connection closed run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in sockfd_lookup_light run #8: crashed: INFO: rcu detected stall in smp_call_function run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d87aeda1f76e6d11a31b45cadfde6658b2e8644e0592eb6d1dd02b82b79de879 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 fq_pie_timer run #8: crashed: INFO: rcu detected stall in fq_pie_timer run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3faf9c60ec1b8ea5b1fbb20569b8fbfd6fa645d2875e8c069324db0a589cfc22 run #0: crashed: INFO: rcu detected stall in sys_clock_nanosleep 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 sys_unlink 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 sys_clock_nanosleep, types: [HANG] testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 11a5d2d1ab6ce786490171010cf16acd589b8cb8a90d8c68d53a3d098fbe0125 all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 044d496d48ce2a03f083c1c88d5f8196c3c2843e922b86aeec7c81e63d9bb832 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 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 representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 22d43a88a3d87a9dabc59bf54db5e7a603b2460970a660c49de602191af8572f 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 corrupted run #6: crashed: INFO: rcu detected stall in fq_pie_timer run #7: crashed: INFO: rcu detected stall in sys_nanosleep 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] testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e6367e5aa8c404f63a8a86fb2f3abace84cf07c82055ed7031677790ef59eb2 all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3826a841cfa413c58c70f4e31d07f4740c2092d1c57224ed1a15d4a74c1a9191 all runs: OK false negative chance: 0.000 # git bisect start bcf876870b95592b52519ed4aafcf9d95999bc9c d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 Bisecting: 23175 revisions left to test after this (roughly 15 steps) [a943353d170e286dd3d877ac5aa15c1034cdfefc] Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm testing commit a943353d170e286dd3d877ac5aa15c1034cdfefc gcc compiler: gcc version 8.4.1 20210217 (GCC) failed building a943353d170e286dd3d877ac5aa15c1034cdfefc: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] # git bisect skip a943353d170e286dd3d877ac5aa15c1034cdfefc Bisecting: 23153 revisions left to test after this (roughly 15 steps) [d8836005236425cf3cfcc8967abd1d5c21f607f8] Merge branch 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup testing commit d8836005236425cf3cfcc8967abd1d5c21f607f8 gcc compiler: gcc version 8.4.1 20210217 (GCC) failed building d8836005236425cf3cfcc8967abd1d5c21f607f8: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] # git bisect skip d8836005236425cf3cfcc8967abd1d5c21f607f8 Bisecting: 23153 revisions left to test after this (roughly 15 steps) [05a5a7621ce66c142e081ffc24dd6ade6e912061] Btrfs: implement full reflink support for inline extents testing commit 05a5a7621ce66c142e081ffc24dd6ade6e912061 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 70981aa74471c9bdbe83780fdca3eefd9dad94effb36981d1f6229cc4e0c4289 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 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: OK representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad 05a5a7621ce66c142e081ffc24dd6ade6e912061 Bisecting: 5947 revisions left to test after this (roughly 13 steps) [9f68e3655aae6d49d6ba05dd263f99f33c2567af] Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm testing commit 9f68e3655aae6d49d6ba05dd263f99f33c2567af gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 53f37a5846630224ff6416b3125d612f543b366c2cf0b1c33d30a7f7b610610b all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad 9f68e3655aae6d49d6ba05dd263f99f33c2567af Bisecting: 3686 revisions left to test after this (roughly 12 steps) [fb95aae6e67c4e319a24b3eea32032d4246a5335] Merge tag 'sound-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit fb95aae6e67c4e319a24b3eea32032d4246a5335 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 340a219ea91021889b6e0a70eb873ed9278b348c619f93211951d7826d32b156 all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad fb95aae6e67c4e319a24b3eea32032d4246a5335 Bisecting: 2267 revisions left to test after this (roughly 11 steps) [f76e4c167ea2212e23c15ee7e601a865e822c291] net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC testing commit f76e4c167ea2212e23c15ee7e601a865e822c291 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f9bbf1d4119e4ff45a64e4e76de9039e48680ef1b578bb805ea45d1c732150de all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad f76e4c167ea2212e23c15ee7e601a865e822c291 Bisecting: 810 revisions left to test after this (roughly 10 steps) [82c64484024af04489bb1870bd1c6b61c603ca78] sfc: move reset workqueue code testing commit 82c64484024af04489bb1870bd1c6b61c603ca78 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 39af54af9dd3d4d96e03f5e90ec54f2a01a22941bda0f1b609c7382aebe52392 all runs: OK false negative chance: 0.000 # git bisect good 82c64484024af04489bb1870bd1c6b61c603ca78 Bisecting: 440 revisions left to test after this (roughly 9 steps) [7c453526dc50460c63ff28df7673570dd057c5d0] net/mlx5e: Enable all available stats for uplink reps testing commit 7c453526dc50460c63ff28df7673570dd057c5d0 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 605f4883784b1376928da4318999c0a9e0c8a32dd9ee64e7c1059e82a3284095 all runs: OK false negative chance: 0.000 # git bisect good 7c453526dc50460c63ff28df7673570dd057c5d0 Bisecting: 223 revisions left to test after this (roughly 8 steps) [5a44c71ccda60a50073c5d7fe3f694cdfa3ab0c2] drivers: net: xgene: Fix the order of the arguments of 'alloc_etherdev_mqs()' testing commit 5a44c71ccda60a50073c5d7fe3f694cdfa3ab0c2 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 54ad086b8a9c6f2c55999b4326d6556c98db6c9b51148149837f527599e6567f 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 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: OK representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad 5a44c71ccda60a50073c5d7fe3f694cdfa3ab0c2 Bisecting: 107 revisions left to test after this (roughly 7 steps) [1dbfc5e071db3f5acc3c7c87a564bf57b838cf49] pie: use u8 instead of bool in pie_vars testing commit 1dbfc5e071db3f5acc3c7c87a564bf57b838cf49 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: a535503283cc633d62d6c370f4037b231d3b8afc77d9bcb6a31fa3ae1b9b42e0 all runs: OK false negative chance: 0.000 # git bisect good 1dbfc5e071db3f5acc3c7c87a564bf57b838cf49 Bisecting: 53 revisions left to test after this (roughly 6 steps) [a44f58c41bfbb921c1c4586bed9ad26aa2c6208a] mlxsw: spectrum_qdisc: Support offloading of TBF Qdisc testing commit a44f58c41bfbb921c1c4586bed9ad26aa2c6208a gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e02884a02662cdc81d664fdad0e391b2358b836a67f09e44f5d9c89752a5a06d 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 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 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: OK representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad a44f58c41bfbb921c1c4586bed9ad26aa2c6208a Bisecting: 26 revisions left to test after this (roughly 5 steps) [1891c4a07672b300b3160ceec59755063b20222b] mptcp: add subflow write space signalling and mptcp_poll testing commit 1891c4a07672b300b3160ceec59755063b20222b gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: bb6bebd308b5846a5c888daa84e12cdcd13e9075973fe20dcc9a2a38a9aabf69 run #0: crashed: unregister_netdevice: waiting for DEV to become free 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 fq_pie_timer, types: [HANG] # git bisect bad 1891c4a07672b300b3160ceec59755063b20222b Bisecting: 13 revisions left to test after this (roughly 4 steps) [7a53e718c551752924416b33235bf338729b5115] net: bridge: vlan: add basic option dumping support testing commit 7a53e718c551752924416b33235bf338729b5115 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f8b38fe37b082c740dbb347595e093f5f39cf2d87ee39ffba1aedcb539ae58ac run #0: crashed: INFO: rcu detected stall in fq_pie_timer run #1: crashed: INFO: rcu detected stall in corrupted 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 fq_pie_timer, types: [HANG] # git bisect bad 7a53e718c551752924416b33235bf338729b5115 Bisecting: 5 revisions left to test after this (roughly 3 steps) [6d9f6e6790e794461ff3a16e4f3778f01ff6cca2] Merge branch 'net-sched-add-Flow-Queue-PIE-packet-scheduler' testing commit 6d9f6e6790e794461ff3a16e4f3778f01ff6cca2 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f8b38fe37b082c740dbb347595e093f5f39cf2d87ee39ffba1aedcb539ae58ac all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad 6d9f6e6790e794461ff3a16e4f3778f01ff6cca2 Bisecting: 2 revisions left to test after this (roughly 2 steps) [00ea2fb7274f568cd982a5958c66cab578aada25] net: sched: pie: fix alignment in struct instances testing commit 00ea2fb7274f568cd982a5958c66cab578aada25 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6d23f1cbdae7766d2501d66b989b466024e375782ba6fe68d12e52635f8c874f all runs: OK false negative chance: 0.000 # git bisect good 00ea2fb7274f568cd982a5958c66cab578aada25 Bisecting: 1 revision left to test after this (roughly 1 step) [5205ea00cda1ac23cebfb97dfccca84722d58dfe] net: sched: pie: export symbols to be reused by FQ-PIE testing commit 5205ea00cda1ac23cebfb97dfccca84722d58dfe gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: df44d2550b3c3f70f092fe7351b60d5c746fe85aedd818e6867c7df54fca1811 all runs: OK false negative chance: 0.000 # git bisect good 5205ea00cda1ac23cebfb97dfccca84722d58dfe Bisecting: 0 revisions left to test after this (roughly 0 steps) [ec97ecf1ebe485a17cd8395a5f35e6b80b57665a] net: sched: add Flow Queue PIE packet scheduler testing commit ec97ecf1ebe485a17cd8395a5f35e6b80b57665a gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f8b38fe37b082c740dbb347595e093f5f39cf2d87ee39ffba1aedcb539ae58ac all runs: crashed: INFO: rcu detected stall in fq_pie_timer representative crash: INFO: rcu detected stall in fq_pie_timer, types: [HANG] # git bisect bad ec97ecf1ebe485a17cd8395a5f35e6b80b57665a ec97ecf1ebe485a17cd8395a5f35e6b80b57665a is the first bad commit commit ec97ecf1ebe485a17cd8395a5f35e6b80b57665a Author: Mohit P. Tahiliani Date: Wed Jan 22 23:52:33 2020 +0530 net: sched: add Flow Queue PIE packet scheduler Principles: - Packets are classified on flows. - This is a Stochastic model (as we use a hash, several flows might be hashed to the same slot) - Each flow has a PIE managed queue. - Flows are linked onto two (Round Robin) lists, so that new flows have priority on old ones. - For a given flow, packets are not reordered. - Drops during enqueue only. - ECN capability is off by default. - ECN threshold (if ECN is enabled) is at 10% by default. - Uses timestamps to calculate queue delay by default. Usage: tc qdisc ... fq_pie [ limit PACKETS ] [ flows NUMBER ] [ target TIME ] [ tupdate TIME ] [ alpha NUMBER ] [ beta NUMBER ] [ quantum BYTES ] [ memory_limit BYTES ] [ ecnprob PERCENTAGE ] [ [no]ecn ] [ [no]bytemode ] [ [no_]dq_rate_estimator ] defaults: limit: 10240 packets, flows: 1024 target: 15 ms, tupdate: 15 ms (in jiffies) alpha: 1/8, beta : 5/4 quantum: device MTU, memory_limit: 32 Mb ecnprob: 10%, ecn: off bytemode: off, dq_rate_estimator: off Signed-off-by: Mohit P. Tahiliani Signed-off-by: Sachin D. Patil Signed-off-by: V. Saicharan Signed-off-by: Mohit Bhasi Signed-off-by: Leslie Monis Signed-off-by: Gautam Ramakrishnan Signed-off-by: David S. Miller include/net/pie.h | 2 + include/uapi/linux/pkt_sched.h | 31 +++ net/sched/Kconfig | 13 + net/sched/Makefile | 1 + net/sched/sch_fq_pie.c | 562 +++++++++++++++++++++++++++++++++++++++++ 5 files changed, 609 insertions(+) create mode 100644 net/sched/sch_fq_pie.c accumulated error probability: 0.00 culprit signature: f8b38fe37b082c740dbb347595e093f5f39cf2d87ee39ffba1aedcb539ae58ac parent signature: df44d2550b3c3f70f092fe7351b60d5c746fe85aedd818e6867c7df54fca1811 revisions tested: 33, total time: 9h10m23.912413494s (build: 4h12m9.847130567s, test: 4h41m55.586467261s) first bad commit: ec97ecf1ebe485a17cd8395a5f35e6b80b57665a net: sched: add Flow Queue PIE packet scheduler recipients (to): ["davem@davemloft.net" "gautamramk@gmail.com" "lesliemonis@gmail.com" "mohitbhasi1998@gmail.com" "sdp.sachin@gmail.com" "tahiliani@nitk.edu.in" "vsaicharan1998@gmail.com"] recipients (cc): [] crash: INFO: rcu detected stall in fq_pie_timer rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-...!: (1 GPs behind) idle=a96/1/0x4000000000000002 softirq=46149/46150 fqs=1 (t=10001 jiffies g=19837 q=3957) NMI backtrace for cpu 0 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.5.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x90/0xbe lib/dump_stack.c:118 nmi_cpu_backtrace.cold.7+0x18/0x64 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x140/0x145 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x8c/0xb8 kernel/rcu/tree_stall.h:254 print_cpu_stall kernel/rcu/tree_stall.h:455 [inline] check_cpu_stall kernel/rcu/tree_stall.h:529 [inline] rcu_pending kernel/rcu/tree.c:2827 [inline] rcu_sched_clock_irq.cold.89+0x1be/0x3b9 kernel/rcu/tree.c:2271 update_process_times+0x24/0x70 kernel/time/timer.c:1726 tick_sched_handle+0x4b/0xa0 kernel/time/tick-sched.c:171 tick_sched_timer+0x3c/0xa0 kernel/time/tick-sched.c:1314 __run_hrtimer kernel/time/hrtimer.c:1517 [inline] __hrtimer_run_queues+0x1b0/0x4a0 kernel/time/hrtimer.c:1579 hrtimer_interrupt+0x11b/0x290 kernel/time/hrtimer.c:1641 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0x70/0x150 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x20 kernel/kcov.c:274 Code: 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 6c fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 4e fe ff ff 66 66 2e 0f 1f 84 00 00 RSP: 0018:ffffc9000004fcb8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff888236d74680 RBX: 0000000044b82fa0 RCX: ffffffff82780c2d RDX: 0000000000000100 RSI: 00000000000186a0 RDI: 00000000000f4240 RBP: 00000000000186a0 R08: ffff888236d74680 R09: ffff888236d74ee0 R10: 0000000000000001 R11: ffff888236d74680 R12: 0000000000000003 R13: 0000000000000000 R14: 00000002af31dc46 R15: 0000a7c5ac471b47 pie_calculate_probability+0x19d/0x470 net/sched/sch_pie.c:357 fq_pie_timer+0x6a/0xd0 net/sched/sch_fq_pie.c:377 call_timer_fn+0xc4/0x2a0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x3b0/0x800 kernel/time/timer.c:1786 __do_softirq+0xdb/0x2c8 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:603 [inline] run_ksoftirqd+0x15/0x20 kernel/softirq.c:595 smpboot_thread_fn+0x165/0x240 kernel/smpboot.c:165 kthread+0x13c/0x160 kernel/kthread.c:255 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352