ci starts bisection 2023-07-28 06:09:17.19708521 +0000 UTC m=+59197.250634919 bisecting fixing commit since 1b929c02afd37871d5afb9d498426f83432e71c2 building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23 ensuring issue is reproducible on original commit 1b929c02afd37871d5afb9d498426f83432e71c2 testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c58e7569e3d8dcf292a96e4f94f54d617ccc07d9ec63fdc70378de156b083cf8 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: 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: 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: OK run #17: OK run #18: OK run #19: OK run #20: OK run #21: OK run #22: OK run #23: OK run #24: OK run #25: OK run #26: OK run #27: OK representative crash: INFO: rcu detected stall in corrupted, 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 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a1b83f5d0427d6940623b032a01c3484debfc6d3e91d6ddee0524d3b32952ef run #0: crashed: invalid opcode in corrupted run #1: crashed: invalid opcode in corrupted run #2: crashed: invalid opcode in corrupted run #3: crashed: invalid opcode 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: invalid opcode in corrupted run #9: crashed: invalid opcode in corrupted run #10: crashed: invalid opcode in corrupted run #11: crashed: invalid opcode 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: invalid opcode in corrupted run #19: crashed: invalid opcode in corrupted run #20: crashed: invalid opcode in corrupted run #21: crashed: invalid opcode in corrupted run #22: crashed: invalid opcode in corrupted run #23: crashed: invalid opcode in corrupted run #24: crashed: invalid opcode in corrupted run #25: crashed: invalid opcode in corrupted run #26: crashed: invalid opcode in corrupted run #27: crashed: invalid opcode in corrupted run #28: crashed: invalid opcode in corrupted run #29: crashed: invalid opcode in corrupted run #30: crashed: invalid opcode in corrupted run #31: crashed: invalid opcode in corrupted run #32: crashed: invalid opcode in corrupted run #33: crashed: invalid opcode in corrupted run #34: crashed: invalid opcode in corrupted run #35: crashed: invalid opcode in corrupted run #36: crashed: invalid opcode in corrupted run #37: crashed: invalid opcode in corrupted run #38: crashed: invalid opcode in corrupted run #39: crashed: invalid opcode in corrupted representative crash: invalid opcode in corrupted, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed kconfig minimization: base=3883 full=7551 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7cc740332925dbddd8b639948061d84053f6f51ab2e25ddcce1c5ed282d69e3 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: crashed: invalid opcode in corrupted run #7: crashed: invalid opcode in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: invalid opcode in corrupted run #13: crashed: invalid opcode 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: invalid opcode in corrupted run #19: crashed: invalid opcode in corrupted run #20: crashed: invalid opcode in corrupted run #21: crashed: invalid opcode in corrupted run #22: crashed: invalid opcode in corrupted run #23: crashed: invalid opcode in corrupted run #24: crashed: invalid opcode in corrupted run #25: crashed: invalid opcode in corrupted run #26: crashed: invalid opcode in corrupted run #27: crashed: invalid opcode in corrupted run #28: crashed: invalid opcode in corrupted run #29: crashed: invalid opcode in corrupted run #30: crashed: invalid opcode in corrupted run #31: crashed: invalid opcode in corrupted run #32: crashed: invalid opcode in corrupted run #33: crashed: invalid opcode in corrupted run #34: crashed: invalid opcode in corrupted run #35: crashed: invalid opcode in corrupted run #36: crashed: invalid opcode in corrupted run #37: crashed: invalid opcode in corrupted run #38: OK representative crash: invalid opcode in corrupted, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 24168de3717437fe933f8ae8e56ebbdb1c6bf4f227b4f87ba6cae0f0b6fa1044 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: invalid opcode in corrupted run #5: crashed: invalid opcode 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: 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: invalid opcode in corrupted run #15: crashed: invalid opcode in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: invalid opcode in corrupted run #19: crashed: invalid opcode in corrupted run #20: crashed: invalid opcode in corrupted run #21: crashed: invalid opcode in corrupted run #22: crashed: invalid opcode in corrupted run #23: crashed: invalid opcode in corrupted run #24: crashed: invalid opcode in corrupted run #25: crashed: invalid opcode in corrupted run #26: crashed: invalid opcode in corrupted run #27: crashed: invalid opcode in corrupted run #28: crashed: invalid opcode in corrupted run #29: crashed: invalid opcode in corrupted run #30: crashed: invalid opcode in corrupted run #31: crashed: invalid opcode in corrupted run #32: crashed: invalid opcode in corrupted run #33: crashed: invalid opcode in corrupted run #34: crashed: invalid opcode in corrupted run #35: crashed: invalid opcode in corrupted run #36: crashed: invalid opcode in corrupted run #37: crashed: invalid opcode in corrupted run #38: OK representative crash: invalid opcode in corrupted, types: [UNKNOWN] 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 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e258237616d0352aea87513f0e3bbeb6222d6d821fb16811d6973423ffed1c7 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #2: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #3: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #4: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #5: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #6: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #7: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #8: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #9: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #10: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #11: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #12: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #13: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #14: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #15: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #16: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #17: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #18: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #19: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0 testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5006c6feff9e97999ba37f97f7df4884c6a43b17496671ac05da616b8b1a90c1 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: 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: 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: invalid opcode in corrupted run #15: crashed: invalid opcode in corrupted run #16: crashed: general protection fault in nfc_llcp_find_local run #17: crashed: general protection fault in nfc_llcp_find_local run #18: crashed: invalid opcode in corrupted run #19: crashed: invalid opcode in corrupted run #20: crashed: invalid opcode in corrupted run #21: crashed: invalid opcode in corrupted run #22: crashed: invalid opcode in corrupted run #23: crashed: invalid opcode in corrupted run #24: crashed: invalid opcode in corrupted run #25: crashed: invalid opcode in corrupted run #26: OK run #27: crashed: invalid opcode in corrupted run #28: crashed: invalid opcode in corrupted run #29: OK run #30: OK run #31: OK run #32: OK run #33: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG UNKNOWN] 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 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b95bc5f624ec6fb0f2afa0c495c1bd5b0f2b6cc86f3039d67ce08601a65529b run #0: crashed: invalid opcode in corrupted run #1: crashed: invalid opcode 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: crashed: invalid opcode in corrupted run #7: crashed: invalid opcode in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: invalid opcode in corrupted run #11: crashed: invalid opcode in corrupted run #12: crashed: invalid opcode in corrupted run #13: crashed: invalid opcode in corrupted run #14: crashed: invalid opcode in corrupted run #15: crashed: invalid opcode in corrupted run #16: crashed: invalid opcode in corrupted run #17: crashed: invalid opcode in corrupted run #18: crashed: invalid opcode in corrupted run #19: crashed: invalid opcode in corrupted run #20: crashed: INFO: rcu detected stall in corrupted run #21: crashed: INFO: rcu detected stall in corrupted run #22: crashed: INFO: rcu detected stall in corrupted run #23: crashed: INFO: rcu detected stall in corrupted run #24: crashed: INFO: rcu detected stall in corrupted run #25: crashed: INFO: rcu detected stall in corrupted run #26: crashed: invalid opcode in corrupted run #27: crashed: invalid opcode in corrupted run #28: crashed: invalid opcode in corrupted run #29: crashed: invalid opcode in corrupted run #30: crashed: invalid opcode in corrupted run #31: crashed: invalid opcode in corrupted run #32: crashed: invalid opcode in corrupted run #33: crashed: invalid opcode in corrupted run #34: OK run #35: OK run #36: OK representative crash: invalid opcode in corrupted, 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_AH_ESP 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_SMM 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_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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing current HEAD 57012c57536f8814dec92e74197ee96c3498d24e testing commit 57012c57536f8814dec92e74197ee96c3498d24e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1621a7384a2a30cfc38ff91a4006d4e4c08b966c453d48af27994b3352ffb7e1 run #0: crashed: stack segment fault in nfc_llcp_unregister_device run #1: crashed: stack segment fault in nfc_llcp_unregister_device run #2: crashed: invalid opcode in corrupted run #3: crashed: invalid opcode in corrupted run #4: crashed: invalid opcode in corrupted run #5: crashed: invalid opcode in corrupted run #6: crashed: invalid opcode in corrupted run #7: crashed: invalid opcode in corrupted run #8: crashed: invalid opcode in corrupted run #9: crashed: invalid opcode in corrupted run #10: crashed: invalid opcode in corrupted run #11: crashed: invalid opcode in corrupted run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: crashed: invalid opcode in corrupted run #18: crashed: invalid opcode in corrupted run #19: OK run #20: OK run #21: OK run #22: OK run #23: OK run #24: OK run #25: OK run #26: OK representative crash: stack segment fault in nfc_llcp_unregister_device, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.85 repro chance estimate) revisions tested: 8, total time: 2h0m47.833438368s (build: 50m41.737478781s, test: 1h5m55.814639358s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'net-6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net crash: stack segment fault in nfc_llcp_unregister_device stack segment: 0000 [#1] PREEMPT SMP CPU: 1 PID: 32729 Comm: syz-executor.2 Not tainted 6.5.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:nfc_llcp_remove_local net/nfc/llcp_core.c:304 [inline] RIP: 0010:nfc_llcp_unregister_device+0x42/0x150 net/nfc/llcp_core.c:1646 Code: 83 e8 12 85 0c 00 4c 8b 25 7b 5a fb 00 49 81 fc 80 1c 97 83 49 8b 2c 24 4c 89 e3 75 24 e9 a9 00 00 00 e8 d1 d7 8f fe 48 89 eb <48> 8b 45 00 49 89 ec 48 81 fd 80 1c 97 83 0f 84 8d 00 00 00 48 89 RSP: 0018:ffffc90005d6fe18 EFLAGS: 00010293 RAX: 0000000000000000 RBX: dead000000000100 RCX: 0000000000000000 RDX: ffff888105e83680 RSI: ffffffff829bc21f RDI: ffffffff83971c40 RBP: dead000000000100 R08: 0000000000000526 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810e7d2000 R13: ffff88810e7d5000 R14: ffff88811228d618 R15: ffff888104eaf398 FS: 0000000000000000(0000) GS:ffff888237d00000(0063) knlGS:000000005738d400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f74570c4 CR3: 00000001103b0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nfc_unregister_device+0xcd/0x180 net/nfc/core.c:1179 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163 __fput+0x1cb/0x4b0 fs/file_table.c:384 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_fast_syscall_32+0x6d/0xd0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf725f579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7500ad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000005738d400 RDX: 0000000000000000 RSI: 00000000f73b3ff4 RDI: 0000000000000000 RBP: 00000000f725b000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:nfc_llcp_remove_local net/nfc/llcp_core.c:304 [inline] RIP: 0010:nfc_llcp_unregister_device+0x42/0x150 net/nfc/llcp_core.c:1646 Code: 83 e8 12 85 0c 00 4c 8b 25 7b 5a fb 00 49 81 fc 80 1c 97 83 49 8b 2c 24 4c 89 e3 75 24 e9 a9 00 00 00 e8 d1 d7 8f fe 48 89 eb <48> 8b 45 00 49 89 ec 48 81 fd 80 1c 97 83 0f 84 8d 00 00 00 48 89 RSP: 0018:ffffc90005d6fe18 EFLAGS: 00010293 RAX: 0000000000000000 RBX: dead000000000100 RCX: 0000000000000000 RDX: ffff888105e83680 RSI: ffffffff829bc21f RDI: ffffffff83971c40 RBP: dead000000000100 R08: 0000000000000526 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810e7d2000 R13: ffff88810e7d5000 R14: ffff88811228d618 R15: ffff888104eaf398 FS: 0000000000000000(0000) GS:ffff888237d00000(0063) knlGS:000000005738d400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f74570c4 CR3: 00000001103b0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 83 e8 12 sub $0x12,%eax 3: 85 0c 00 test %ecx,(%rax,%rax,1) 6: 4c 8b 25 7b 5a fb 00 mov 0xfb5a7b(%rip),%r12 # 0xfb5a88 d: 49 81 fc 80 1c 97 83 cmp $0xffffffff83971c80,%r12 14: 49 8b 2c 24 mov (%r12),%rbp 18: 4c 89 e3 mov %r12,%rbx 1b: 75 24 jne 0x41 1d: e9 a9 00 00 00 jmp 0xcb 22: e8 d1 d7 8f fe call 0xfe8fd7f8 27: 48 89 eb mov %rbp,%rbx * 2a: 48 8b 45 00 mov 0x0(%rbp),%rax <-- trapping instruction 2e: 49 89 ec mov %rbp,%r12 31: 48 81 fd 80 1c 97 83 cmp $0xffffffff83971c80,%rbp 38: 0f 84 8d 00 00 00 je 0xcb 3e: 48 rex.W 3f: 89 .byte 0x89