ci2 starts bisection 2023-12-24 22:19:09.892329542 +0000 UTC m=+196153.216215113 bisecting fixing commit since 09045dae0d902f9f78901a26c7ff1714976a38f9 building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784 ensuring issue is reproducible on original commit 09045dae0d902f9f78901a26c7ff1714976a38f9 testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 975dc902d074817e164f80377d19ca5f8547628daa3f858a0f40cf29ceb8ae39 run #0: crashed: possible deadlock in j1939_sk_queue_drop_all run #1: crashed: possible deadlock in j1939_sk_queue_drop_all run #2: crashed: possible deadlock in j1939_sk_queue_drop_all run #3: crashed: possible deadlock in j1939_sk_queue_drop_all run #4: crashed: possible deadlock in j1939_sk_queue_drop_all run #5: crashed: possible deadlock in j1939_sk_queue_drop_all run #6: crashed: possible deadlock in j1939_sk_queue_drop_all run #7: crashed: possible deadlock in j1939_session_activate run #8: crashed: possible deadlock in j1939_sk_queue_drop_all run #9: crashed: possible deadlock in j1939_session_activate run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in corrupted run #19: crashed: INFO: rcu detected stall in corrupted representative crash: possible deadlock in j1939_sk_queue_drop_all, types: [LOCKDEP HANG] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2180854c74b479717392b9b50b24817895793d21ae1a2dd797202449492dab7 run #0: crashed: possible deadlock in j1939_sk_queue_drop_all run #1: crashed: possible deadlock in j1939_sk_queue_drop_all run #2: crashed: possible deadlock in j1939_sk_queue_drop_all run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG LOCKDEP] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=3820 full=7527 leaves diff=1999 split chunks (needed=false): <1999> split chunk #0 of len 1999 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7fba5bb65ce42ddb0704512774b3466b6d16d22a9c35376105b794ff3fc44720 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: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c1fdf8f93f0ea8bce0b7cad89d2f78e5b78f93caa7326fae888c7d74296328fb 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: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8bac6f5cc74e5a6a731a3f65759551b5cf6ce660a088d7803a9510a6b2a8bc71 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cc8b2e1e0c8b16b85920deaf3f0025d8995b6c4b68bd494e330d92b36381e306 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 09045dae0d902f9f78901a26c7ff1714976a38f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 96030e26690649d667f41b1e51a77f1d7f69c995bb4c159ca2700c5bed18140f 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: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped minimized to 400 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 IP_VS_PROTO_ESP IP_VS_PROTO_SCTP 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_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 LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOCK_MM_AND_FIND_VMA 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_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 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_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 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_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_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_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_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_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 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 ATOMIC_SLEEP LEAK UBSAN], they are not needed testing current HEAD 4aa6747d935281df8a1888feeb6e22e0097d0b86 testing commit 4aa6747d935281df8a1888feeb6e22e0097d0b86 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92478ab8a161aeb37fb158af58ccfa1c6707f456bed7a13611e4c24773a1fd5d run #0: failed: failed to run command in VM: broken console: Permission denied (publickey) run #1: failed: failed to run command in VM: broken console: Permission denied (publickey) run #2: failed: failed to run command in VM: broken console: Permission denied (publickey) run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.40 repro chance estimate) revisions tested: 8, total time: 2h21m30.290674678s (build: 49m18.111462212s, test: 1h29m24.655105564s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.69 crash: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2674 jiffies s: 897 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: 2109 Comm: syz-executor.4 Not tainted 6.1.69-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:207 Code: 14 34 d3 7e 65 8b 15 15 34 d3 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 0c 15 00 00 00 74 2c 8b 91 e8 14 00 00 <83> fa 02 75 21 48 8b 91 f0 14 00 00 48 8b 32 48 8d 7e 01 8b 89 ec RSP: 0018:ffffc900019f7ba0 EFLAGS: 00000246 RAX: ffffffff82bd648c RBX: 0000000000000001 RCX: ffff8881106e1bc0 RDX: 0000000000000000 RSI: ffffffff837ccbab RDI: ffffffff83764804 RBP: 0000000000000001 R08: ffffffff82bd647a R09: 0000000000000000 R10: 0000000000000000 R11: ffff8881106e1bc0 R12: ffffffffffffffff R13: ffffffff82bd63d0 R14: ffffc900019f7c88 R15: ffffffff82bd6449 FS: 0000555555e89480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5a32e66440 CR3: 000000010cebf000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock include/linux/rcupdate.h:748 [inline] xa_find+0xbc/0x260 lib/xarray.c:2019 devlinks_xa_find_get+0xe3/0x350 net/devlink/leftover.c:300 devlinks_xa_find_get_first net/devlink/leftover.c:328 [inline] devlink_nl_cmd_port_get_dumpit+0x52/0x270 net/devlink/leftover.c:1556 netlink_dump+0x21f/0x530 net/netlink/af_netlink.c:2231 netlink_recvmsg+0x2bb/0x510 net/netlink/af_netlink.c:1956 sock_recvmsg_nosec net/socket.c:1017 [inline] sock_recvmsg net/socket.c:1035 [inline] __sys_recvfrom+0x2a1/0x360 net/socket.c:2186 __do_sys_recvfrom net/socket.c:2204 [inline] __se_sys_recvfrom net/socket.c:2200 [inline] __x64_sys_recvfrom+0x24/0x30 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7feea9ee96c9 Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 80 3d 41 d8 0f 00 00 41 89 ca 74 1c 45 31 c9 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 67 c3 66 0f 1f 44 00 00 55 48 83 ec 20 48 89 RSP: 002b:00007ffcead361c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002d RAX: ffffffffffffffda RBX: 00007feeaab2f620 RCX: 00007feea9ee96c9 RDX: 0000000000001000 RSI: 00007feeaab2f670 RDI: 0000000000000005 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcead36258 R14: 00007feeaab2f670 R15: 0000000000000000