ci2 starts bisection 2023-07-11 14:41:22.136696476 +0000 UTC m=+110.789594897
bisecting fixing commit since d7af3e5ba454d007b4939f858739cf1cecdeab46
building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27
ensuring issue is reproducible on original commit d7af3e5ba454d007b4939f858739cf1cecdeab46

testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 655e6488fa7e4802086d77778e252f9c231d3ac53af7ae06abd93e11d3cbba38
run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #1: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #2: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #3: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #4: crashed: INFO: rcu detected stall in clock_adjtime
run #5: crashed: INFO: rcu detected stall in clock_adjtime
run #6: crashed: INFO: rcu detected stall in clock_adjtime
run #7: crashed: INFO: rcu detected stall in clock_adjtime
run #8: crashed: INFO: rcu detected stall in sys_mkdirat
run #9: crashed: INFO: rcu detected stall in sys_mkdirat
run #10: crashed: INFO: rcu detected stall in clock_adjtime
run #11: crashed: INFO: rcu detected stall in clock_adjtime
run #12: crashed: INFO: rcu detected stall in sync_hw_clock
run #13: crashed: INFO: rcu detected stall in sync_hw_clock
run #14: crashed: INFO: rcu detected stall in do_idle
run #15: crashed: INFO: rcu detected stall in do_idle
run #16: crashed: INFO: rcu detected stall in clock_adjtime
run #17: crashed: INFO: rcu detected stall in clock_adjtime
run #18: crashed: BUG: soft lockup in smp_call_function
run #19: crashed: BUG: soft lockup in smp_call_function
run #20: crashed: INFO: rcu detected stall in corrupted
run #21: crashed: INFO: rcu detected stall in corrupted
run #22: crashed: INFO: rcu detected stall in sys_exit_group
run #23: crashed: INFO: rcu detected stall in sys_exit_group
run #24: crashed: INFO: rcu detected stall in sched_show_task
run #25: crashed: INFO: rcu detected stall in sched_show_task
run #26: crashed: INFO: rcu detected stall in process_one_work
run #27: crashed: INFO: rcu detected stall in process_one_work
run #28: crashed: INFO: rcu detected stall in clock_adjtime
run #29: crashed: INFO: rcu detected stall in clock_adjtime
run #30: crashed: INFO: rcu detected stall in packet_release
run #31: crashed: INFO: rcu detected stall in packet_release
run #32: crashed: INFO: rcu detected stall in clock_adjtime
run #33: crashed: INFO: rcu detected stall in clock_adjtime
run #34: crashed: INFO: rcu detected stall in process_one_work
run #35: crashed: INFO: rcu detected stall in process_one_work
run #36: crashed: INFO: rcu detected stall in clock_adjtime
run #37: crashed: INFO: rcu detected stall in clock_adjtime
run #38: crashed: INFO: rcu detected stall in clock_adjtime
run #39: crashed: INFO: rcu detected stall in clock_adjtime
representative crash: INFO: rcu detected stall in syscall_exit_to_user_mode, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e949788b93b20b7abf854abf025122578dd4cd56654c9174d6b56b1cd4fce9ae
all runs: OK
kconfig minimization: base=3705 full=7271 leaves diff=1986
split chunks (needed=false): <1986>
split chunk #0 of len 1986 into 5 parts
testing without sub-chunk 1/5
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8cc187207141e97702528cde91c09209358bbfd525af18cd3e33574da8369deb
run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #1: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #2: crashed: INFO: rcu detected stall in clock_adjtime
run #3: crashed: INFO: rcu detected stall in clock_adjtime
run #4: crashed: INFO: rcu detected stall in clock_adjtime
run #5: crashed: INFO: rcu detected stall in clock_adjtime
run #6: crashed: INFO: rcu detected stall in sys_chdir
run #7: crashed: INFO: rcu detected stall in sys_chdir
run #8: crashed: INFO: rcu detected stall in clock_adjtime
run #9: crashed: INFO: rcu detected stall in clock_adjtime
run #10: crashed: INFO: rcu detected stall in free_work
run #11: crashed: INFO: rcu detected stall in free_work
run #12: crashed: INFO: rcu detected stall in sock_read_iter
run #13: crashed: INFO: rcu detected stall in sock_read_iter
run #14: crashed: INFO: rcu detected stall in clock_adjtime
run #15: crashed: INFO: rcu detected stall in clock_adjtime
run #16: crashed: INFO: rcu detected stall in clock_adjtime
run #17: crashed: INFO: rcu detected stall in clock_adjtime
run #18: crashed: INFO: rcu detected stall in process_one_work
run #19: crashed: INFO: rcu detected stall in process_one_work
representative crash: INFO: rcu detected stall in syscall_exit_to_user_mode, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1b6fc1e67cea66b7c0e48f769c786aa6735c477a6ecc00acc15904766036af8c
run #0: crashed: INFO: rcu detected stall in clock_adjtime
run #1: crashed: INFO: rcu detected stall in clock_adjtime
run #2: crashed: INFO: rcu detected stall in clock_adjtime
run #3: crashed: INFO: rcu detected stall in clock_adjtime
run #4: crashed: INFO: rcu detected stall in sync_hw_clock
run #5: crashed: INFO: rcu detected stall in sync_hw_clock
run #6: crashed: INFO: rcu detected stall in rtc_timer_do_work
run #7: crashed: INFO: rcu detected stall in rtc_timer_do_work
run #8: crashed: INFO: rcu detected stall in ext4_file_read_iter
run #9: crashed: INFO: rcu detected stall in ext4_file_read_iter
run #10: crashed: BUG: soft lockup in smp_call_function
run #11: crashed: BUG: soft lockup in smp_call_function
run #12: crashed: BUG: soft lockup in smp_call_function
run #13: crashed: BUG: soft lockup in smp_call_function
run #14: crashed: INFO: rcu detected stall in process_one_work
run #15: crashed: INFO: rcu detected stall in process_one_work
run #16: crashed: BUG: soft lockup in smp_call_function
run #17: crashed: BUG: soft lockup in smp_call_function
run #18: crashed: INFO: rcu detected stall in sync_hw_clock
run #19: crashed: INFO: rcu detected stall in sync_hw_clock
representative crash: INFO: rcu detected stall in clock_adjtime, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5ecb72c433900cb8ec2094351b7c7f71685e1511b2417271074774137471a04e
all runs: OK
testing without sub-chunk 4/5
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fc2a991a765eb9809401a04024090e4e2b1657aae7d6b49a7ab02b70516f385e
run #0: crashed: INFO: rcu detected stall in clock_adjtime
run #1: crashed: INFO: rcu detected stall in clock_adjtime
run #2: crashed: INFO: rcu detected stall in packet_release
run #3: crashed: INFO: rcu detected stall in packet_release
run #4: crashed: INFO: rcu detected stall in sys_rename
run #5: crashed: INFO: rcu detected stall in sys_rename
run #6: crashed: INFO: rcu detected stall in sync_hw_clock
run #7: crashed: INFO: rcu detected stall in sync_hw_clock
run #8: crashed: INFO: rcu detected stall in clock_adjtime
run #9: crashed: INFO: rcu detected stall in clock_adjtime
run #10: crashed: BUG: soft lockup in smp_call_function
run #11: crashed: BUG: soft lockup in smp_call_function
run #12: crashed: BUG: soft lockup in smp_call_function
run #13: crashed: BUG: soft lockup in smp_call_function
run #14: crashed: BUG: soft lockup in smp_call_function
run #15: crashed: BUG: soft lockup in smp_call_function
run #16: crashed: INFO: rcu detected stall in sync_hw_clock
run #17: crashed: INFO: rcu detected stall in sync_hw_clock
run #18: crashed: INFO: rcu detected stall in clone
run #19: crashed: INFO: rcu detected stall in clone
representative crash: INFO: rcu detected stall in clock_adjtime, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5cf9f119062d4c8109a6bf230b7ead072f351013bef79538a4f6c641b7f69b4c
run #0: crashed: INFO: rcu detected stall in clock_adjtime
run #1: crashed: INFO: rcu detected stall in clock_adjtime
run #2: crashed: INFO: rcu detected stall in do_idle
run #3: crashed: INFO: rcu detected stall in do_idle
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 clock_adjtime
run #7: crashed: INFO: rcu detected stall in clock_adjtime
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 process_one_work
run #11: crashed: INFO: rcu detected stall in process_one_work
run #12: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #13: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #14: crashed: INFO: rcu detected stall in sync_hw_clock
run #15: crashed: INFO: rcu detected stall in sync_hw_clock
run #16: crashed: INFO: rcu detected stall in process_one_work
run #17: crashed: INFO: rcu detected stall in process_one_work
run #18: crashed: INFO: rcu detected stall in sync_hw_clock
run #19: crashed: INFO: rcu detected stall in sync_hw_clock
representative crash: INFO: rcu detected stall in clock_adjtime, types: [HANG]
the chunk can be dropped
minimized to 398 configs; suspects: [ATM AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS 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_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST 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 PARTITION_ADVANCED PSAMPLE RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32]
testing current HEAD d54cfc420586425d418a53871290cc4a59d33501
testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 57c24a10b928247650f9b72d2fbb3ad6f0553725507148b1a452559bfa8949d3
run #0: crashed: INFO: rcu detected stall in dput
run #1: crashed: INFO: rcu detected stall in dput
run #2: crashed: INFO: rcu detected stall in worker_thread
run #3: crashed: INFO: rcu detected stall in worker_thread
run #4: crashed: INFO: rcu detected stall in futex
run #5: crashed: INFO: rcu detected stall in futex
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 syscall_exit_to_user_mode
run #9: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #10: crashed: INFO: rcu detected stall in sys_openat
run #11: crashed: INFO: rcu detected stall in sys_openat
run #12: crashed: INFO: rcu detected stall in process_one_work
run #13: crashed: INFO: rcu detected stall in process_one_work
run #14: crashed: INFO: rcu detected stall in packet_release
run #15: crashed: INFO: rcu detected stall in packet_release
run #16: crashed: BUG: soft lockup in smp_call_function
run #17: crashed: BUG: soft lockup in smp_call_function
run #18: crashed: INFO: rcu detected stall in do_idle
run #19: crashed: INFO: rcu detected stall in do_idle
representative crash: INFO: rcu detected stall in dput, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 3h5m38.857933833s (build: 2h7m10.919988366s, test: 56m42.299406619s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 5.15.120
crash: INFO: rcu detected stall in dput
rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 ticks this GP) idle=e2f/1/0x4000000000000000 softirq=5139/5139 fqs=5249 
	(detected by 1, t=10502 jiffies, g=4453, q=3321)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2798 Comm: syz-executor.0 Not tainted 5.15.120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:88 [inline]
RIP: 0010:lock_is_held_type+0x22/0x110 kernel/locking/lockdep.c:5658
Code: 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 bd ff ff ff ff 41 54 55 53 48 83 ec 08 8b 0d 72 b8 2a 02 85 c9 0f 84 be 00 00 00 <65> 8b 05 ff 4b 41 7b 85 c0 0f 85 af 00 00 00 65 4c 8b 24 25 40 70
RSP: 0018:ffffc90000007d98 EFLAGS: 00000002
RAX: 0000000080010002 RBX: ffff88811e9ecb40 RCX: 0000000000000001
RDX: ffff8881190b3980 RSI: 00000000ffffffff RDI: ffff88811e9ecb00
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000003
R10: ffffffff83b113f4 R11: 0000000000000001 R12: 0000000000000000
R13: 00000000ffffffff R14: ffff8881f6c2a040 R15: ffffffff83b11350
FS:  0000555556491480(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9eb8af97a CR3: 000000011c441000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_is_held include/linux/lockdep.h:287 [inline]
 advance_sched+0x78a/0xa40 net/sched/sch_taprio.c:719
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xb90 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x2e8/0x740 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xf5/0x340 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_release+0x3d9/0x6c0 kernel/locking/lockdep.c:5630
Code: 7e 83 f8 01 0f 85 51 01 00 00 9c 58 f6 c4 02 0f 85 3c 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90000a27d30 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ffffffffffffffff RCX: 0000000000000000
RDX: 1ffff11023216881 RSI: 0000000000000001 RDI: ffffffff87ded938
RBP: 1ffff92000144fa8 R08: 0000000000000001 R09: ffffffff88f2c0ef
R10: fffffbfff11e581d R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000002 R14: ffff8881190b4408 R15: ffff8881190b3980
 rcu_lock_release include/linux/rcupdate.h:274 [inline]
 rcu_read_unlock include/linux/rcupdate.h:729 [inline]
 dput+0x258/0xe10 fs/dcache.c:881
 __fput+0x3d3/0xaa0 fs/file_table.c:288
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x24e/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd7d19a795a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 f3 7d 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 53 7e 02 00 8b 44 24
RSP: 002b:00007ffcac73c290 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd7d19a795a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2df60000 R09: 00007fd7d1ac7f8c
R10: 00007ffcac73c3e0 R11: 0000000000000293 R12: 00007fd7d152e6b0
R13: ffffffffffffffff R14: 00007fd7d152c000 R15: 000000000000ee0d
 </TASK>