ci starts bisection 2024-05-03 08:23:49.023773743 +0000 UTC m=+96.681437836 bisecting cause commit starting from fe46a7dd189e25604716c03576d05ac8a5209743 building syzkaller on 56086b24bdfd822d3b227edb3064db443cd8c971 ensuring issue is reproducible on original commit fe46a7dd189e25604716c03576d05ac8a5209743 testing commit fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0179f80b45bae54777bcc7c168d7f1e7088d7f3a50b9ef0d4fb2d7c10b1267e run #0: crashed: INFO: rcu detected stall in sys_readlink run #1: crashed: INFO: rcu detected stall in sock_close run #2: crashed: INFO: rcu detected stall in sys_symlinkat run #3: crashed: INFO: rcu detected stall in sys_clone run #4: crashed: INFO: rcu detected stall in sys_dup2 run #5: crashed: INFO: rcu detected stall in worker_thread run #6: crashed: INFO: rcu detected stall in sys_socket run #7: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in do_idle run #10: crashed: INFO: rcu detected stall in sys_clone run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3360825438" "root@10.128.10.62:./syz-executor3360825438"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.62, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.62 [10.128.10.62] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2 Connection timed out during banner exchange Connection to 10.128.10.62 port 22 timed out scp: Connection closed run #12: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #13: crashed: INFO: rcu detected stall in worker_thread run #14: crashed: INFO: rcu detected stall in __sk_destruct run #15: crashed: INFO: rcu detected stall in sys_openat run #16: crashed: INFO: rcu detected stall in sys_newfstatat run #17: crashed: INFO: rcu detected stall in sys_getsockopt run #18: crashed: INFO: rcu detected stall in worker_thread run #19: crashed: INFO: rcu detected stall in sys_clone representative crash: INFO: rcu detected stall in sys_readlink, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 15cc53e60b1074927ccfcac6f3863403e9fad7ec9a8cd6bcb76cc33fe6dc93ac run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in sys_rename run #2: crashed: INFO: rcu detected stall in security_file_ioctl run #3: crashed: INFO: rcu detected stall in sys_newfstatat run #4: crashed: INFO: rcu detected stall in sys_wait4 run #5: crashed: INFO: rcu detected stall in sys_unlink run #6: crashed: INFO: rcu detected stall in security_file_open run #7: crashed: INFO: rcu detected stall in schedule_tail run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in do_vmi_munmap 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=3976 full=7986 leaves diff=2013 split chunks (needed=false): <2013> split chunk #0 of len 2013 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6fe6cee5ed582b36fa2ae89fbdc24aa0b39fc3e5a1a352afd800395b88dd8cb5 run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #1: crashed: INFO: rcu detected stall in corrupted 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 sys_newfstatat run #5: crashed: INFO: rcu detected stall in corrupted run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3055777091" "root@10.128.1.173:./syz-executor3055777091"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.173, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.173 [10.128.1.173] port 22. debug1: connect to address 10.128.1.173 port 22: Connection timed out ssh: connect to host 10.128.1.173 port 22: Connection timed out scp: Connection closed run #7: crashed: INFO: rcu detected stall in sys_clone run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in sys_clone 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 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6abd8fcf4a1cfd36a7dfae798fec523a1d553d18ca14feae0cb7172771ae1e45 run #0: crashed: INFO: rcu detected stall in do_syscall_64 run #1: crashed: INFO: rcu detected stall in sys_execve run #2: crashed: INFO: rcu detected stall in sys_unlink run #3: crashed: INFO: rcu detected stall in worker_thread run #4: crashed: INFO: rcu detected stall in do_idle 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 __do_softirq run #8: crashed: INFO: rcu detected stall in sock_close run #9: crashed: INFO: rcu detected stall in sys_openat representative crash: INFO: rcu detected stall in do_syscall_64, 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 fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e89bd32bce5c6fd4b705ddc23cef7cde5333257db4d68f3443cf421d4e34dee4 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 fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0898ffd2bb6381c5c99dae3e96d347a73276c9f9c1cc410c4ea72dd4ccf2428f run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #1: crashed: INFO: rcu detected stall in do_idle 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 sys_umount run #5: crashed: INFO: rcu detected stall in do_idle run #6: crashed: INFO: rcu detected stall in do_idle run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in do_idle run #9: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode representative crash: INFO: rcu detected stall in syscall_exit_to_user_mode, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit fe46a7dd189e25604716c03576d05ac8a5209743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2e3925e1c5f065d9ce5434ba06f0724db441449e276a3849d253e37bbcd3c8de run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in sys_unlink run #2: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4199431063" "root@10.128.10.47:./syz-executor4199431063"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.47, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.47 [10.128.10.47] port 22. debug1: connect to address 10.128.10.47 port 22: Connection timed out ssh: connect to host 10.128.10.47 port 22: Connection timed out scp: Connection closed run #3: crashed: INFO: rcu detected stall in nf_setsockopt run #4: crashed: INFO: rcu detected stall in sys_epoll_wait run #5: crashed: INFO: rcu detected stall in sys_unlink run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in sys_newfstatat run #9: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode representative crash: INFO: rcu detected stall in do_idle, types: [HANG] the chunk can be dropped minimized to 403 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE HAMRADIO HAVE_KVM HSR IMA IMA_APPRAISE IMA_APPRAISE_MODSIG INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_SIGNATURE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS 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 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_COMMON KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRIVATE_MEM KVM_HYPERV KVM_MMIO KVM_PRIVATE_MEM KVM_PROVE_MMU KVM_SW_PROTECTED_VM 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 LRU_GEN_WALKS_MMU 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_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB 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_SIG_SHA256 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_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 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 [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed picked [v6.8 v6.7 v6.6 v6.4 v6.2 v6.0 v5.18 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 31 release tags testing release v6.8 testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad1389fdff7fc38d92d75b58bf8bafdb0c8e8e534d3e426e4da6741a63e39835 run #0: crashed: INFO: rcu detected stall in sys_mprotect run #1: crashed: INFO: rcu detected stall in do_idle run #2: crashed: INFO: rcu detected stall in sys_unlink run #3: crashed: INFO: rcu detected stall in sys_clone run #4: crashed: INFO: rcu detected stall in sys_clone run #5: crashed: INFO: rcu detected stall in sys_newfstatat run #6: crashed: INFO: rcu detected stall in do_idle run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in do_idle run #9: crashed: INFO: rcu detected stall in do_mmap representative crash: INFO: rcu detected stall in sys_mprotect, types: [HANG] testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3df7fcebc5f6227018419e90f2b6ec6de1545c82266b70ee65e6d0c3375583cb run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in do_idle run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #4: crashed: INFO: rcu detected stall in sys_socket 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 do_idle run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in sys_getsockopt representative crash: INFO: rcu detected stall in do_idle, types: [HANG] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2ecdf45840bea71fe333fa58defbcaf1e4a54f4a832f83aeb0703aec7a79b9c run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: rcu detected stall in sys_socket run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in sys_getsockopt run #6: crashed: INFO: rcu detected stall in sys_clone run #7: crashed: INFO: rcu detected stall in security_file_open run #8: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #9: crashed: INFO: rcu detected stall in do_idle representative crash: INFO: rcu detected stall in do_idle, types: [HANG] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0e5dff3aca4ff3857624f31e8a16b1076cea832828cce55aae4bd8ffe4a354ae all runs: OK false negative chance: 0.000 # git bisect start ffc253263a1375a65fa6c9f62a893e9767fbebfa 6995e2de6891c724bfeb2db33d7b87775f913ad1 Bisecting: 14974 revisions left to test after this (roughly 14 steps) [692f5510159c79bfa312a4e27a15e266232bfb4c] Merge tag 'asoc-v6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus testing commit 692f5510159c79bfa312a4e27a15e266232bfb4c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 52b76a814bf5bb1c810d123ffdf7e246119a7cea4773cfad88ff1088c75496f0 all runs: OK false negative chance: 0.000 # git bisect good 692f5510159c79bfa312a4e27a15e266232bfb4c Bisecting: 7105 revisions left to test after this (roughly 13 steps) [0e72db77672ff4758a31fb5259c754a7bb229751] Merge tag 'soc-dt-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 0e72db77672ff4758a31fb5259c754a7bb229751 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e4f755e14397b54f6ecbf274d1cd6c92fe4b316e37ad83be963f0a6473d3e0af run #0: crashed: INFO: rcu detected stall in sys_newfstatat run #1: crashed: INFO: rcu detected stall in sys_unlink run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: rcu detected stall in sys_futex run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in netlink_sendmsg run #6: crashed: INFO: rcu detected stall in sys_clone run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in sys_symlinkat run #9: crashed: INFO: rcu detected stall in do_idle representative crash: INFO: rcu detected stall in sys_newfstatat, types: [HANG] # git bisect bad 0e72db77672ff4758a31fb5259c754a7bb229751 Bisecting: 3474 revisions left to test after this (roughly 12 steps) [bd6c11bc43c496cddfc6cf603b5d45365606dbd5] Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit bd6c11bc43c496cddfc6cf603b5d45365606dbd5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 366f61881d1f2595c8c81e9707919c997155d22e344d9f1e67e63c7f644ad7a6 run #0: crashed: INFO: rcu detected stall in sys_getsockopt run #1: crashed: INFO: rcu detected stall in sys_setpgid run #2: crashed: INFO: rcu detected stall in sys_wait4 run #3: crashed: INFO: rcu detected stall in do_idle run #4: crashed: INFO: rcu detected stall in sys_socket run #5: crashed: INFO: rcu detected stall in sys_unlink run #6: crashed: INFO: rcu detected stall in mas_preallocate run #7: crashed: INFO: rcu detected stall in sys_mprotect run #8: crashed: INFO: rcu detected stall in sys_clone run #9: crashed: INFO: rcu detected stall in sys_newfstatat representative crash: INFO: rcu detected stall in sys_getsockopt, types: [HANG] # git bisect bad bd6c11bc43c496cddfc6cf603b5d45365606dbd5 Bisecting: 2176 revisions left to test after this (roughly 11 steps) [bebfbf07c7db7321e26b6aae0d7078d3d1294464] Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next testing commit bebfbf07c7db7321e26b6aae0d7078d3d1294464 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 095fe83a7cb0c030cd4a311e7ddd5c17be1635bd3844970c487e2dc5d3d9cd8c run #0: crashed: INFO: rcu detected stall in sys_openat run #1: crashed: INFO: rcu detected stall in do_idle run #2: crashed: INFO: rcu detected stall in sys_newfstatat run #3: crashed: INFO: rcu detected stall in sys_unlink run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in do_idle run #6: crashed: INFO: rcu detected stall in do_idle run #7: crashed: INFO: rcu detected stall in sys_symlinkat run #8: crashed: INFO: rcu detected stall in sys_openat run #9: crashed: INFO: rcu detected stall in sys_newfstatat representative crash: INFO: rcu detected stall in sys_openat, types: [HANG] # git bisect bad bebfbf07c7db7321e26b6aae0d7078d3d1294464 Bisecting: 1108 revisions left to test after this (roughly 10 steps) [832140804e3b3ad19d73adebd25f69ed98778c58] devlink: clear flag on port register error path testing commit 832140804e3b3ad19d73adebd25f69ed98778c58 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 876710b6483b3c9155f63524e5c6d80b8ec9b1bfc2083be56f007f534dc5b966 all runs: OK false negative chance: 0.000 # git bisect good 832140804e3b3ad19d73adebd25f69ed98778c58 Bisecting: 554 revisions left to test after this (roughly 9 steps) [0c2f92f6a5ac258457e7c9d55c74f14a0f1937cd] wifi: iwlwifi: api: fix a small upper/lower-case typo testing commit 0c2f92f6a5ac258457e7c9d55c74f14a0f1937cd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3171979220c855341cb6f12ab2e9b1d5ce766bef21011e29fb9c8f18447b9515 all runs: OK false negative chance: 0.000 # git bisect good 0c2f92f6a5ac258457e7c9d55c74f14a0f1937cd Bisecting: 239 revisions left to test after this (roughly 8 steps) [57ce6427e00a6a72f74b29630b39548b36980b09] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 57ce6427e00a6a72f74b29630b39548b36980b09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe1c5f384925426eed66f6bce8844b54e8e9c7304f161852361b3ae77654e2fa run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #2: crashed: INFO: rcu detected stall in kernfs_fop_write_iter run #3: crashed: INFO: rcu detected stall in sys_socket run #4: crashed: INFO: rcu detected stall in sys_getsockopt run #5: crashed: INFO: rcu detected stall in sys_getsockopt 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_close run #9: crashed: INFO: rcu detected stall in security_file_open representative crash: INFO: rcu detected stall in do_idle, types: [HANG] # git bisect bad 57ce6427e00a6a72f74b29630b39548b36980b09 Bisecting: 156 revisions left to test after this (roughly 7 steps) [a5e505a99ca748583dbe558b691be1b26f05d678] Merge tag 'platform-drivers-x86-v6.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit a5e505a99ca748583dbe558b691be1b26f05d678 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 398645fb6fca8215620e2eaf8c3e4374b999d1d2d703542538eadb909aa80f5b all runs: OK false negative chance: 0.000 # git bisect good a5e505a99ca748583dbe558b691be1b26f05d678 Bisecting: 81 revisions left to test after this (roughly 6 steps) [23c167af2404aa0cbc77f7dcba6fe8d5af67468d] Merge branch 'net-ethernet-mtk_eth_soc-improve-support-for-mt7988' testing commit 23c167af2404aa0cbc77f7dcba6fe8d5af67468d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 14a426ba791c28ba17deb38afc90fcb92466743e2935fd81e7701571a2fe42c1 all runs: OK false negative chance: 0.000 # git bisect good 23c167af2404aa0cbc77f7dcba6fe8d5af67468d Bisecting: 41 revisions left to test after this (roughly 5 steps) [c8777fa6f3c6e0cfa4ef7e7028df83d35a586671] Merge branch 'can-fixes-for-6-5-rc7' testing commit c8777fa6f3c6e0cfa4ef7e7028df83d35a586671 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2add90242e67f4fabee4281e97aa862534a5f978f94b174d35bc11196f9d542e all runs: OK false negative chance: 0.000 # git bisect good c8777fa6f3c6e0cfa4ef7e7028df83d35a586671 Bisecting: 19 revisions left to test after this (roughly 4 steps) [8938fc0c7e16e0868a1083deadc91b95b72ca0da] Merge tag 'nf-23-08-23' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf testing commit 8938fc0c7e16e0868a1083deadc91b95b72ca0da gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e27f005942475507c70b19d7038b3ab3eb5c5ed45ca440b9acc22fbb221d4081 run #0: crashed: INFO: rcu detected stall in sys_openat 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_newfstatat run #4: crashed: INFO: rcu detected stall in debug_check_no_obj_freed run #5: crashed: INFO: rcu detected stall in sys_clone run #6: crashed: INFO: rcu detected stall in sys_inotify_rm_watch run #7: crashed: INFO: rcu detected stall in sys_unlink run #8: crashed: INFO: rcu detected stall in gc_worker run #9: crashed: INFO: rcu detected stall in sys_mkdirat representative crash: INFO: rcu detected stall in sys_openat, types: [HANG] # git bisect bad 8938fc0c7e16e0868a1083deadc91b95b72ca0da Bisecting: 10 revisions left to test after this (roughly 4 steps) [4b80ced971b0d118f9a11dd503a5833a5016de92] netfilter: nf_tables: validate all pending tables testing commit 4b80ced971b0d118f9a11dd503a5833a5016de92 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1fa6be42acf14371c9b66a7a79b642c157cdcb9969f232be60166efca52a96e1 run #0: crashed: INFO: rcu detected stall in sys_rename run #1: crashed: INFO: rcu detected stall in sys_newfstatat run #2: crashed: INFO: rcu detected stall in sys_mprotect run #3: crashed: INFO: rcu detected stall in sys_nanosleep run #4: crashed: INFO: rcu detected stall in sys_getsockopt run #5: crashed: INFO: rcu detected stall in sys_clone run #6: crashed: INFO: rcu detected stall in sys_exit_group 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 sys_newfstatat representative crash: INFO: rcu detected stall in sys_rename, types: [HANG] # git bisect bad 4b80ced971b0d118f9a11dd503a5833a5016de92 Bisecting: 5 revisions left to test after this (roughly 3 steps) [b888c510f7b3d64ca75fc0f43b4a4bd1a611312f] igb: Avoid starting unnecessary workqueues testing commit b888c510f7b3d64ca75fc0f43b4a4bd1a611312f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 301c677d00b28d77bec61a0e22e1b0d8a7d127cc9e38636b9982dfe7bd32e6d9 all runs: OK false negative chance: 0.000 # git bisect good b888c510f7b3d64ca75fc0f43b4a4bd1a611312f Bisecting: 2 revisions left to test after this (roughly 2 steps) [da71714e359b64bd7aab3bd56ec53f307f058133] net/sched: fix a qdisc modification with ambiguous command request testing commit da71714e359b64bd7aab3bd56ec53f307f058133 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f96988fbacfbcbc51eef5d546d4e35ef2e9368b49bee6d1b6bab43093cbd656 run #0: crashed: INFO: rcu detected stall in sys_unlink run #1: crashed: INFO: rcu detected stall in sys_readlink run #2: crashed: INFO: rcu detected stall in seq_read_iter run #3: crashed: INFO: rcu detected stall in do_idle run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in __do_softirq run #6: crashed: INFO: rcu detected stall in sys_unlink run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in gc_worker run #9: crashed: INFO: rcu detected stall in gc_worker representative crash: INFO: rcu detected stall in sys_unlink, types: [HANG] # git bisect bad da71714e359b64bd7aab3bd56ec53f307f058133 Bisecting: 0 revisions left to test after this (roughly 1 step) [de43975721b97283d5f17eea4228faddf08f2681] igc: Fix the typo in the PTM Control macro testing commit de43975721b97283d5f17eea4228faddf08f2681 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 05e6553fdb9ed40558983e31345cdcc67e583c0b060dc943e9ed8c68dfb36129 all runs: OK false negative chance: 0.000 # git bisect good de43975721b97283d5f17eea4228faddf08f2681 da71714e359b64bd7aab3bd56ec53f307f058133 is the first bad commit commit da71714e359b64bd7aab3bd56ec53f307f058133 Author: Jamal Hadi Salim Date: Tue Aug 22 06:12:31 2023 -0400 net/sched: fix a qdisc modification with ambiguous command request When replacing an existing root qdisc, with one that is of the same kind, the request boils down to essentially a parameterization change i.e not one that requires allocation and grafting of a new qdisc. syzbot was able to create a scenario which resulted in a taprio qdisc replacing an existing taprio qdisc with a combination of NLM_F_CREATE, NLM_F_REPLACE and NLM_F_EXCL leading to create and graft scenario. The fix ensures that only when the qdisc kinds are different that we should allow a create and graft, otherwise it goes into the "change" codepath. While at it, fix the code and comments to improve readability. While syzbot was able to create the issue, it did not zone on the root cause. Analysis from Vladimir Oltean helped narrow it down. v1->V2 changes: - remove "inline" function definition (Vladmir) - remove extrenous braces in branches (Vladmir) - change inline function names (Pedro) - Run tdc tests (Victor) v2->v3 changes: - dont break else/if (Simon) Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+a3618a167af2021433cd@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/20230816225759.g25x76kmgzya2gei@skbuf/T/ Tested-by: Vladimir Oltean Tested-by: Victor Nogueira Reviewed-by: Pedro Tammela Reviewed-by: Victor Nogueira Signed-off-by: Jamal Hadi Salim Signed-off-by: David S. Miller net/sched/sch_api.c | 53 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 40 insertions(+), 13 deletions(-) accumulated error probability: 0.00 culprit signature: 3f96988fbacfbcbc51eef5d546d4e35ef2e9368b49bee6d1b6bab43093cbd656 parent signature: 05e6553fdb9ed40558983e31345cdcc67e583c0b060dc943e9ed8c68dfb36129 revisions tested: 26, total time: 11h33m7.999624293s (build: 4h15m55.185557552s, test: 4h3m42.487668442s) first bad commit: da71714e359b64bd7aab3bd56ec53f307f058133 net/sched: fix a qdisc modification with ambiguous command request recipients (to): ["davem@davemloft.net" "jhs@mojatatu.com" "pctammela@mojatatu.com" "victor@mojatatu.com" "vladimir.oltean@nxp.com"] recipients (cc): [] crash: INFO: rcu detected stall in sys_unlink rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2118 jiffies s: 2289 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1658 Comm: udevd Not tainted 6.5.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:advance_sched+0x401/0x490 net/sched/sch_taprio.c:988 Code: 03 00 00 31 d2 49 f7 77 a0 43 89 84 a5 80 00 00 00 4d 39 e6 74 0a e8 8e f6 d5 fe 49 ff c4 eb ab e8 84 f6 d5 fe 4c 8b 74 24 18 <4d> 89 fc 4c 8b 7c 24 10 eb 0a e8 70 f6 d5 fe 4c 8b 74 24 18 4d 89 RSP: 0018:ffffc90000003e90 EFLAGS: 00000086 RAX: ffffffff825b85dc RBX: 0000000000000000 RCX: ffff88810fef8000 RDX: 0000000080010001 RSI: 0000000000000009 RDI: 0000000000000000 RBP: 0000000000000009 R08: ffffffff825b859d R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88810dea9400 R14: ffff888102f4c000 R15: ffff888102f4c340 FS: 00007f34d192ac80(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000010de92000 CR4: 0000000000350ef0 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x21d/0x580 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x128/0x470 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline] __sysvec_apic_timer_interrupt+0x97/0x1f0 arch/x86/kernel/apic/apic.c:1115 sysvec_apic_timer_interrupt+0x8d/0xb0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:memset+0xf/0x20 arch/x86/lib/memset_64.S:37 Code: 44 88 1f e9 23 a6 01 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 49 89 f9 40 88 f0 48 89 d1 aa 4c 89 c8 e9 f7 a5 01 00 0f 1f 80 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc900003e7e28 EFLAGS: 00000246 RAX: 0000000000001000 RBX: 0000000000000000 RCX: 0000000000000fc0 RDX: 0000000000001000 RSI: 0000000000000000 RDI: ffff888102e58040 RBP: 0000000000000001 R08: ffffc900003e7e98 R09: ffff888102e58000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888101264400 R13: 0000000000001000 R14: ffffc900003e7e98 R15: 0000000000000001 slab_post_alloc_hook+0x79/0x440 mm/slab.h:764 slab_alloc_node mm/slub.c:3470 [inline] slab_alloc mm/slub.c:3478 [inline] __kmem_cache_alloc_lru mm/slub.c:3485 [inline] kmem_cache_alloc+0x11f/0x2a0 mm/slub.c:3494 getname_flags+0x62/0x2c0 fs/namei.c:140 getname fs/namei.c:219 [inline] __do_sys_unlink fs/namei.c:4443 [inline] __se_sys_unlink fs/namei.c:4441 [inline] __x64_sys_unlink+0x1a/0x30 fs/namei.c:4441 do_syscall_64+0x48/0xc0 entry_SYSCALL_64_after_hwframe+0x74/0xde RIP: 0033:0x7f34d1a56da7 Code: f0 ff ff 73 01 c3 48 8b 0d 7e 90 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 90 0d 00 f7 d8 64 89 01 48 RSP: 002b:00007ffd04b49af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00005604f0e291af RCX: 00007f34d1a56da7 RDX: 00007f34d1b30b00 RSI: 00005604f1007010 RDI: 00005604f0e290d8 RBP: 00005604f1028cf0 R08: 0000000000000007 R09: b611a3b2350e286c R10: 0000000000000010 R11: 0000000000000202 R12: 0000000000000bb8 R13: 00005604f10082c0 R14: 00005604f102bda0 R15: 0000000000000000