ci starts bisection 2024-03-10 16:55:50.229508674 +0000 UTC m=+112466.526697800
bisecting fixing commit since 3ab5720881a924fb6405d9e6a3b09f1026467c47
building syzkaller on 4f9530a3b62297342999c9097c77dde726522618
ensuring issue is reproducible on original commit 3ab5720881a924fb6405d9e6a3b09f1026467c47

testing commit 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a584d5c5cef6f9d5e7fc3bfb966206988efcd4bc27f782e3fba4c082fe6e635f
run #0: crashed: INFO: rcu detected stall in sys_socket
run #1: crashed: INFO: rcu detected stall in sys_exit_group
run #2: crashed: INFO: rcu detected stall in do_faccessat
run #3: crashed: INFO: rcu detected stall in sys_utimensat
run #4: crashed: INFO: rcu detected stall in sys_getdents64
run #5: crashed: INFO: rcu detected stall in pipe_read
run #6: crashed: INFO: rcu detected stall in sys_getsockopt
run #7: crashed: INFO: rcu detected stall in sys_openat
run #8: crashed: INFO: rcu detected stall in sys_unlinkat
run #9: crashed: INFO: rcu detected stall in sys_exit_group
run #10: crashed: INFO: rcu detected stall in sys_setpgid
run #11: crashed: INFO: rcu detected stall in sys_execve
run #12: crashed: INFO: rcu detected stall in sctp_addr_wq_timeout_handler
run #13: crashed: INFO: rcu detected stall in sys_openat
run #14: crashed: INFO: rcu detected stall in sys_socket
run #15: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #16: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #17: crashed: INFO: rcu detected stall in sys_unlinkat
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 sys_socket, 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 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0fa566c2f0dee877013036fd07db3a65cf19e66147049ca78b809faea9ca45d5
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in security_file_open
run #2: crashed: INFO: rcu detected stall in sys_exit_group
run #3: crashed: INFO: rcu detected stall in sys_exit_group
run #4: crashed: INFO: rcu detected stall in sock_close
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in __do_softirq
run #7: crashed: INFO: rcu detected stall in sys_openat
run #8: crashed: INFO: rcu detected stall in sys_mprotect
run #9: crashed: INFO: rcu detected stall in worker_thread
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=3937 full=7658 leaves diff=2016
split chunks (needed=false): <2016>
split chunk #0 of len 2016 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 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4d9ce9e62c2f3f68d719692b2e495b09ac941a2f0991cf64312166dadae957c2
run #0: crashed: INFO: rcu detected stall in mod_objcg_state
run #1: crashed: INFO: rcu detected stall in sys_exit_group
run #2: crashed: INFO: rcu detected stall in sys_symlinkat
run #3: crashed: INFO: rcu detected stall in do_idle
run #4: crashed: INFO: rcu detected stall in sys_exit_group
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in worker_thread
run #7: crashed: INFO: rcu detected stall in put_cpu_partial
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in sys_newfstatat
representative crash: INFO: rcu detected stall in mod_objcg_state, 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 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 063b011d6aae9f6b069369902e524fc20f6107230370358495ffcd34c8a581ed
run #0: crashed: INFO: rcu detected stall in sys_clone
run #1: crashed: INFO: rcu detected stall in do_idle
run #2: crashed: INFO: rcu detected stall in ipv6_rcv
run #3: crashed: INFO: rcu detected stall in proc_reg_read_iter
run #4: crashed: INFO: rcu detected stall in sys_symlink
run #5: crashed: INFO: rcu detected stall in sys_mkdirat
run #6: crashed: INFO: rcu detected stall in do_idle
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 security_file_open
representative crash: INFO: rcu detected stall in sys_clone, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5248a65d007404a55db81da7497a00b36ab7a39f5b4e97506c4c7e14a311b9d7
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 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 33a8aaa5ea293c78cb4b945a01e0771ed9f0a2096d621c21550eed74b86abb0e
run #0: crashed: INFO: rcu detected stall in sys_newfstatat
run #1: crashed: INFO: rcu detected stall in do_vmi_munmap
run #2: crashed: INFO: rcu detected stall in sys_execve
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in sys_readlink
run #5: crashed: INFO: rcu detected stall in do_idle
run #6: crashed: INFO: rcu detected stall in sys_execve
run #7: crashed: INFO: rcu detected stall in debug_check_no_obj_freed
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in sys_exit_group
representative crash: INFO: rcu detected stall in sys_newfstatat, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 3ab5720881a924fb6405d9e6a3b09f1026467c47 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 69fb5bb34c86acfe7f6aa4f243d52c52ee5aaadc1a073f805d65ed8d3d6f8613
run #0: crashed: INFO: rcu detected stall in security_file_open
run #1: crashed: INFO: rcu detected stall in security_file_open
run #2: crashed: INFO: rcu detected stall in do_idle
run #3: crashed: INFO: rcu detected stall in sys_mprotect
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in sys_openat
run #6: crashed: INFO: rcu detected stall in sys_openat
run #7: crashed: INFO: rcu detected stall in do_idle
run #8: crashed: INFO: rcu detected stall in sock_write_iter
run #9: crashed: INFO: rcu detected stall in sys_mkdirat
representative crash: INFO: rcu detected stall in security_file_open, types: [HANG]
the chunk can be dropped
minimized to 404 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CC_IS_GCC CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE 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 IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_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_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_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 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_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_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_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI]
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing current HEAD d7e14e534493328cc5f67baaff2b0c23d32b0a57
testing commit d7e14e534493328cc5f67baaff2b0c23d32b0a57 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 312fae1f0e0537ee84e39c2d1301cf8a48f4d79696238ec00f82e975b4b41090
run #0: crashed: INFO: rcu detected stall in sys_newfstatat
run #1: crashed: INFO: rcu detected stall in sys_openat
run #2: crashed: INFO: rcu detected stall in sys_openat
run #3: crashed: INFO: rcu detected stall in sys_readlink
run #4: crashed: INFO: rcu detected stall in do_idle
run #5: crashed: INFO: rcu detected stall in sys_close
run #6: crashed: INFO: rcu detected stall in sys_symlinkat
run #7: crashed: INFO: rcu detected stall in sys_openat
run #8: crashed: INFO: rcu detected stall in do_idle
run #9: crashed: INFO: rcu detected stall in sys_unlink
representative crash: INFO: rcu detected stall in sys_newfstatat, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 3h50m14.484352679s (build: 1h6m57.866016353s, test: 44m45.777605323s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'mlx5-socket-direct-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
crash: INFO: rcu detected stall in sys_newfstatat
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2135 jiffies s: 889 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2783 Comm: udevd Not tainted 6.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:advance_sched+0x9/0x4e0 net/sched/sch_taprio.c:913
Code: 9d 21 d2 fe eb b0 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 48 83 ec 48 49 89 fc e8 66 21 d2 fe 4d 8b 74 24 88
RSP: 0018:ffffc900000d0ee8 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffff888237d1f401 RCX: ffff888101e93680
RDX: 0000000000010000 RSI: ffffffff836f13a2 RDI: ffff88810afbf340
RBP: 0000000000000001 R08: ffffffff812b884d R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8261c3e0 R12: ffffffff8261c3e0
R13: ffff888237d1f540 R14: ffff888237d1f590 R15: ffff88810afbf340
FS:  00007fc69f847c80(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc61cf0ff8 CR3: 0000000104f60000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x21b/0x580 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x229/0x470 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x84/0x1c0 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x8d/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:tomoyo_path_matches_pattern+0x25/0xf0 security/tomoyo/util.c:945
Code: 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 89 f3 49 89 fd e8 47 cb 92 ff 4d 8b 7d 00 4c 8b 33 44 0f b7 63 0c <0f> b6 6b 0f 31 ff 89 ee e8 2e ce 92 ff 85 ed 74 3b 41 0f b6 6d 0e
RSP: 0018:ffffc90001e23b08 EFLAGS: 00000293
RAX: ffffffff81a11a19 RBX: ffff888103fc68d8 RCX: ffff888101e93680
RDX: 0000000000000000 RSI: ffff888103fc68d8 RDI: ffffc90001e23be8
RBP: 0000000000000020 R08: ffffffff81a07b44 R09: ffffffff81a085eb
R10: 0000000000000003 R11: ffffffff81a07b10 R12: 0000000000000012
R13: ffffc90001e23be8 R14: ffff888103fc68e8 R15: ffff88810eabdde0
 tomoyo_compare_name_union security/tomoyo/file.c:87 [inline]
 tomoyo_check_path_acl+0x6e/0xa0 security/tomoyo/file.c:260
 tomoyo_check_acl+0x82/0x180 security/tomoyo/domain.c:175
 tomoyo_path_permission security/tomoyo/file.c:586 [inline]
 tomoyo_path_perm+0x2c1/0x3a0 security/tomoyo/file.c:838
 security_inode_getattr+0x50/0x90 security/security.c:2238
 vfs_getattr fs/stat.c:173 [inline]
 vfs_fstat+0x4c/0x240 fs/stat.c:198
 __do_sys_newfstatat fs/stat.c:468 [inline]
 __se_sys_newfstatat+0x58/0x2c0 fs/stat.c:462
 do_syscall_64+0x94/0x1a0
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fc69f9725f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fff635ea8c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc69f9725f4
RDX: 00007fff635ea908 RSI: 00007fc69fa0f130 RDI: 0000000000000009
RBP: 000056447433e2c0 R08: 0000000000000000 R09: cafbfd926db2fb0c
R10: 0000000000001000 R11: 0000000000000206 R12: 0000000000000001
R13: 00005644743553d0 R14: 0000000000000000 R15: 0000000000000001
 </TASK>