ci starts bisection 2023-07-18 00:12:26.383816221 +0000 UTC m=+111.022390872 bisecting fixing commit since f339c2597ebb00e738f2b6328c14804ed19f5d57 building syzkaller on 93e26d605eebce2ad19e6f37d9e96a872ca55cce ensuring issue is reproducible on original commit f339c2597ebb00e738f2b6328c14804ed19f5d57 testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bf5ab88e85be4031840eba8612cbbe488a72bfbfb8615ad9356ef8edb730d624 run #0: crashed: INFO: trying to register non-static key in net_free run #1: crashed: INFO: trying to register non-static key in net_free run #2: crashed: INFO: trying to register non-static key in net_free run #3: crashed: INFO: trying to register non-static key in net_free run #4: crashed: INFO: trying to register non-static key in net_free run #5: crashed: INFO: trying to register non-static key in net_free run #6: crashed: INFO: trying to register non-static key in net_free run #7: crashed: INFO: trying to register non-static key in net_free run #8: crashed: INFO: trying to register non-static key in net_free run #9: crashed: INFO: trying to register non-static key in net_free run #10: crashed: INFO: trying to register non-static key in net_free run #11: crashed: INFO: trying to register non-static key in net_free run #12: crashed: INFO: trying to register non-static key in net_free run #13: crashed: INFO: trying to register non-static key in net_free run #14: crashed: INFO: trying to register non-static key in net_free run #15: crashed: INFO: trying to register non-static key in net_free run #16: crashed: INFO: trying to register non-static key in net_free run #17: crashed: INFO: trying to register non-static key in net_free run #18: crashed: unregister_netdevice: waiting for DEV to become free run #19: crashed: unregister_netdevice: waiting for DEV to become free run #20: crashed: INFO: trying to register non-static key in net_free run #21: crashed: INFO: trying to register non-static key in net_free run #22: crashed: INFO: trying to register non-static key in net_free run #23: crashed: INFO: trying to register non-static key in net_free run #24: crashed: INFO: trying to register non-static key in net_free run #25: crashed: INFO: trying to register non-static key in net_free run #26: crashed: INFO: trying to register non-static key in net_free run #27: crashed: INFO: trying to register non-static key in net_free run #28: crashed: INFO: trying to register non-static key in net_free run #29: crashed: INFO: trying to register non-static key in net_free run #30: crashed: unregister_netdevice: waiting for DEV to become free run #31: crashed: unregister_netdevice: waiting for DEV to become free run #32: crashed: INFO: trying to register non-static key in net_free run #33: crashed: INFO: trying to register non-static key in net_free run #34: crashed: INFO: trying to register non-static key in net_free run #35: crashed: INFO: trying to register non-static key in net_free run #36: crashed: INFO: trying to register non-static key in net_free run #37: crashed: INFO: trying to register non-static key in net_free run #38: crashed: INFO: trying to register non-static key in net_free run #39: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 049514b9988612f4aaa21feeaf5a114cf9d4f4bb296a08249be52082492a8fbe all runs: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3883 full=7552 leaves diff=1996 split chunks (needed=false): <1996> split chunk #0 of len 1996 into 5 parts testing without sub-chunk 1/5 testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1586aa44c527a3ee93882258c0532fd6e61ade4ee9c9680b8e966e69a9117186 all runs: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 94bd190a2bf457646fca3ebd226eb5e401f912e9828f713f3457fa23259f5b71 run #0: crashed: INFO: trying to register non-static key in corrupted run #1: crashed: INFO: trying to register non-static key in corrupted run #2: crashed: INFO: trying to register non-static key in corrupted run #3: crashed: INFO: trying to register non-static key in corrupted run #4: crashed: INFO: trying to register non-static key in net_free run #5: crashed: INFO: trying to register non-static key in net_free run #6: crashed: INFO: trying to register non-static key in net_free run #7: crashed: INFO: trying to register non-static key in net_free run #8: crashed: INFO: trying to register non-static key in net_free run #9: crashed: INFO: trying to register non-static key in net_free run #10: crashed: INFO: trying to register non-static key in net_free run #11: crashed: INFO: trying to register non-static key in net_free run #12: crashed: INFO: trying to register non-static key in net_free run #13: crashed: INFO: trying to register non-static key in net_free run #14: crashed: INFO: trying to register non-static key in net_free run #15: crashed: INFO: trying to register non-static key in net_free run #16: crashed: INFO: trying to register non-static key in net_free run #17: crashed: INFO: trying to register non-static key in net_free run #18: crashed: INFO: trying to register non-static key in net_free run #19: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in corrupted, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 33c8768157e349a794010afa67b3fdb8b6d424abb2320ae26853018095e041c6 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 12aa76ffeaa4c3c6282b1f9f6dbf664b8be8c3a763cf0454eacc08a36c858a3a all runs: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d46bd0f75c12f0aa94f071dbd5bbef602b057389a7f8daa5ad9d24ad42a97ba all runs: crashed: unregister_netdevice: waiting for DEV to become free representative crash: unregister_netdevice: waiting for DEV to become free, types: [UNKNOWN] 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 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 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_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_CLS_RSVP NET_CLS_RSVP6 NET_CLS_TCINDEX 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_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_OVS 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing current HEAD fdf0eaf11452d72945af31804e2a1048ee1b574c testing commit fdf0eaf11452d72945af31804e2a1048ee1b574c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c84eb8003948d0e342c8e50de344be35075dfc90e53fc9424e0348e8c677359a run #0: crashed: VFS: Busy inodes after unmount (use-after-free) run #1: crashed: VFS: Busy inodes after unmount (use-after-free) run #2: crashed: VFS: Busy inodes after unmount (use-after-free) run #3: crashed: VFS: Busy inodes after unmount (use-after-free) run #4: crashed: VFS: Busy inodes after unmount (use-after-free) run #5: crashed: VFS: Busy inodes after unmount (use-after-free) run #6: crashed: VFS: Busy inodes after unmount (use-after-free) run #7: crashed: VFS: Busy inodes after unmount (use-after-free) run #8: crashed: VFS: Busy inodes after unmount (use-after-free) run #9: crashed: VFS: Busy inodes after unmount (use-after-free) run #10: crashed: VFS: Busy inodes after unmount (use-after-free) run #11: crashed: VFS: Busy inodes after unmount (use-after-free) run #12: crashed: VFS: Busy inodes after unmount (use-after-free) run #13: crashed: VFS: Busy inodes after unmount (use-after-free) run #14: crashed: VFS: Busy inodes after unmount (use-after-free) run #15: crashed: VFS: Busy inodes after unmount (use-after-free) run #16: OK run #17: OK representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h40m35.095594376s (build: 47m6.628863088s, test: 51m8.734377632s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 6.5-rc2 crash: VFS: Busy inodes after unmount (use-after-free) tblock:ffffc900012843f0: ffffffff ffffffff 84f5f5f0 ffffffff tblock:ffffc90001284400: 00000000 00000000 00000000 00000000 tblock:ffffc90001284410: 83302128 ffffffff 00000200 00000000 tblock:ffffc90001284420: 01284420 ffffc900 01284420 ffffc900 tblock:ffffc90001284430: 17d89590 ffff8881 00000000 00000000 VFS: Busy inodes after unmount of loop0 (jfs) invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 4251 Comm: syz-executor.0 Not tainted 6.5.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:generic_shutdown_super+0x1a7/0x1b0 fs/super.c:501 Code: f0 ff 4c 8b a3 40 01 00 00 eb c9 e8 13 58 e3 ff 48 8b 43 28 48 8d b3 30 06 00 00 48 c7 c7 a8 20 38 83 48 8b 10 e8 49 3d d7 ff <0f> 0b 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 55 49 89 fd 41 54 49 89 RSP: 0018:ffffc90001d5fe30 EFLAGS: 00010246 RAX: 000000000000002d RBX: ffff888101bfc000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff811fd3c0 RDI: 0000000000000005 RBP: ffffffff818047e0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff82e82ba0 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 FS: 0000555555638480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005635dc8bb600 CR3: 00000001043f6000 CR4: 0000000000350ee0 Call Trace: kill_block_super+0x28/0x40 fs/super.c:1417 deactivate_locked_super+0x46/0xd0 fs/super.c:330 deactivate_super fs/super.c:361 [inline] deactivate_super+0x9c/0xb0 fs/super.c:357 cleanup_mnt+0x109/0x1e0 fs/namespace.c:1254 task_work_run+0x8f/0xe0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x18b/0x190 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x16/0x30 kernel/entry/common.c:297 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3a712dbc07 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe0f9c9278 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3a712dbc07 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe0f9c9330 RBP: 00007ffe0f9c9330 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe0f9ca3f0 R13: 00007f3a71335aa2 R14: 00000000000423eb R15: 0000000000000002 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:generic_shutdown_super+0x1a7/0x1b0 fs/super.c:501 Code: f0 ff 4c 8b a3 40 01 00 00 eb c9 e8 13 58 e3 ff 48 8b 43 28 48 8d b3 30 06 00 00 48 c7 c7 a8 20 38 83 48 8b 10 e8 49 3d d7 ff <0f> 0b 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 55 49 89 fd 41 54 49 89 RSP: 0018:ffffc90001d5fe30 EFLAGS: 00010246 RAX: 000000000000002d RBX: ffff888101bfc000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff811fd3c0 RDI: 0000000000000005 RBP: ffffffff818047e0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff82e82ba0 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 FS: 0000555555638480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005635dc8bb600 CR3: 00000001043f6000 CR4: 0000000000350ee0