ci starts bisection 2023-08-15 10:30:44.975325888 +0000 UTC m=+330823.614847213 bisecting cause commit starting from ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b building syzkaller on 39990d513277ce9372a4cc89bdac23d9fc30b056 ensuring issue is reproducible on original commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3c565bd0afa742c4f469d42c7023a1aabd0b9359406f9190b0f0f3e293dfcd6 run #0: crashed: general protection fault in prepare_to_wait run #1: crashed: general protection fault in prepare_to_wait run #2: crashed: general protection fault in prepare_to_wait run #3: crashed: general protection fault in prepare_to_wait run #4: crashed: general protection fault in prepare_to_wait run #5: crashed: general protection fault in prepare_to_wait run #6: crashed: general protection fault in prepare_to_wait run #7: crashed: general protection fault in prepare_to_wait run #8: crashed: general protection fault in prepare_to_wait run #9: crashed: general protection fault in prepare_to_wait run #10: crashed: general protection fault in prepare_to_wait run #11: crashed: general protection fault in prepare_to_wait run #12: crashed: general protection fault in prepare_to_wait run #13: crashed: general protection fault in prepare_to_wait run #14: crashed: general protection fault in prepare_to_wait run #15: crashed: general protection fault in prepare_to_wait run #16: OK run #17: OK run #18: OK run #19: OK representative crash: general protection fault in prepare_to_wait, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 147b6632bece2f058f16e8ee6b6c7761f226ad5c9d200ca2946da0c9b5f766ff run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3883 full=7652 leaves diff=1997 split chunks (needed=false): <1997> split chunk #0 of len 1997 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0b8d28aebdab6cf50ab67d4beeab2ec0d7e9c9b52a410e73e2aa1aafcec2819 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2d45321d0a3ca1857e5e7ee6af40fd0ef456574523e2506ae08206d8fc67451 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 02efa97bc9099b232f734dce7549cd5427ecd5daaa896e7e2572dae5f88a1668 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41d25f78b162a69b09c5f8df6b6fc180a5225edda4c55671cffbdf5b43e4896e run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit ace0ab3a4b54205a01d3f4a0fd9bdb4616cfb60b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 058afca9d633655ed1216ad8b150dc4a8e7a9471685a97acc9c9f67320031f2e run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] the chunk can be dropped minimized to 400 configs; suspects: [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_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_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING 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 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_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_IPT NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 659938cbe11a90ea6ff5dff18d9aea3d4511ef25669902245a98784dcab104bc all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3614eaef6b2d7d908c4eb0a4992cefdc1a225d59a1f97adaf84bc6d0b4913033 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba8d76df6a3037e15e7151104dcdb8cdc2d26b5b3d99c550efaec67795a2ab01 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v6.1 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c02f1ce878f2cd825e874ecab7b47cf26a93d8e4c575b1f4c5f852c40512d2fb run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e686ca9cbf9130fdacf0238011629455f02c94d1a071976fa9c8e2a6949d38ad all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36e2001907c30ffcb63598c6eb7865724b01cb2d45df86157c03f2316a253f6d run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfb4c1d9cac51c196a4b89ab574cb85fc793690827403a3c91a954229e80f04b run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f97c234949d3d865c39d8ba31b8a929329ae5a0da1cfaa6c4bd2e6c079637ed run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 338df6a70ac247d7ad9725d6fbcb0936d8512d7b8f386d81462602bf72a9807b run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b29daf61ecac64e4baff2256a3117eb2b5297c4ea61d34041cb90cc23a89f10 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 67c1eaef5af68c2c5ce3279a7364c0f5198692791948e6876e2e65ca951109c9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82a17376284e1965fa3cc09206141bcfc0488dfedfdb4f807a567c47f71196f7 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: basic kernel testing failed: lost connection to test machine run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 733e99a7cac9db888fe98afed6e1b61da88ed221810e778450e7d0486336daa1 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1e77d32b7711fb20cdcd07e29ab3382f4c5a6de7662eb4182dd3c3c28c26302 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f6f4b99f7da6da128bbdf413ba866c953b7d5020cc22b365cca402c625e0b16 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b81afe9ac1c8fe255fab3108390c467aae31358effe237843f1eec51e8dcee46 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb360196cb39477dbe00a6319fb43ad332defcedb752c5e06e7a157e86a76d9f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 730669c6f79ccf79ff0b31a1a5ad58b5c82dd09e3a683a76719eb86726f88be7 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: db4bb097ed5afc4ea449acba42e7533ca9183553a9e76c5f430f15e7c58586da run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: eb79374f6b8421bb610537552d91801382443e69a91491c385196ae1a09de214 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 660547c5714e2ebc90b5646313ab64db284a9abc76f1faf6fd4f462da08b6997 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: aee338fa871ef1ad4388140feb77113821151b6b82f01d4e6216999ca9f13283 all runs: boot failed: BUG: spinlock bad magic in nf_connlabels_get unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: fbf6a2e9465c41c4747e09a8976924df583f238658c442878b13b150131b9261 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 8cd96aa5e595795f4724bcda15485523cd261fd5c7398092f0543161656c3d50 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b9c7e6cd73c25702afdb38666cb81fe1e5043a4e338429209ff1c91821475cf6 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait 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: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 1ae4bbe8e0f887dfe022e04b0d51258a0a7371cd24f6572e68d0f80a1b7cc943 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #11: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #13: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6999e0616ef0a8a80d0aaad8247ce1eb45f8afdb2678be7ef38039af71844370 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #11: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #13: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #14: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #15: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #16: crashed: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait run #17: OK run #18: OK run #19: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.90 repro chance estimate) revisions tested: 34, total time: 7h5m36.511788071s (build: 2h15m36.459711086s, test: 4h34m19.811759809s) oldest tested release already had the bug or it had kernel test errors commit msg: Linux 4.19 crash: BUG: unable to handle kernel NULL pointer dereference in prepare_to_wait IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 PGD 22dd88067 P4D 22dd88067 PUD 22d1a8067 PMD 0 Oops: 0000 [#1] SMP CPU: 1 PID: 3055 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__lock_acquire.isra.10+0x337/0x680 kernel/locking/lockdep.c:3294 Code: c7 c7 0f 69 58 82 e8 71 21 01 00 65 48 8b 3c 25 00 4f 01 00 e8 0b 12 00 00 e8 98 15 00 00 e8 c6 fb c5 00 45 31 e4 eb a8 89 f0 <49> 8b 44 c7 08 48 85 c0 0f 85 40 fd ff ff e9 1a fd ff ff 44 89 4d RSP: 0018:ffffc900013a7cd0 EFLAGS: 00010097 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018 RBP: ffffc900013a7d00 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88022b9fad80 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88022b9fad80 R15: 0000000000000018 FS: 00007f8bebb156c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000020 CR3: 000000022d19b000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0xc2/0x160 kernel/locking/lockdep.c:3900 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x4a/0x70 kernel/locking/spinlock.c:152 prepare_to_wait+0x26/0xb0 kernel/sched/wait.c:230 nr_accept+0xa9/0x1d0 net/netrom/af_netrom.c:796 __sys_accept4+0x100/0x210 net/socket.c:1590 __do_sys_accept4 net/socket.c:1625 [inline] __se_sys_accept4 net/socket.c:1622 [inline] __x64_sys_accept4+0x19/0x20 net/socket.c:1622 do_syscall_64+0x63/0x160 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f8bebfd4ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8bebb150c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000120 RAX: ffffffffffffffda RBX: 00007f8bec0f4120 RCX: 00007f8bebfd4ae9 RDX: 0000000020000400 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f8bec02047a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000800 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f8bec0f4120 R15: 00007ffe05770478 Modules linked in: CR2: 0000000000000020 ---[ end trace 785aaf76be1e375b ]--- RIP: 0010:__lock_acquire.isra.10+0x337/0x680 kernel/locking/lockdep.c:3294 Code: c7 c7 0f 69 58 82 e8 71 21 01 00 65 48 8b 3c 25 00 4f 01 00 e8 0b 12 00 00 e8 98 15 00 00 e8 c6 fb c5 00 45 31 e4 eb a8 89 f0 <49> 8b 44 c7 08 48 85 c0 0f 85 40 fd ff ff e9 1a fd ff ff 44 89 4d RSP: 0018:ffffc900013a7cd0 EFLAGS: 00010097 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018 RBP: ffffc900013a7d00 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88022b9fad80 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88022b9fad80 R15: 0000000000000018 FS: 00007f8bebb156c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000020 CR3: 000000022d19b000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c7 c7 0f 69 58 82 mov $0x8258690f,%edi 6: e8 71 21 01 00 call 0x1217c b: 65 48 8b 3c 25 00 4f mov %gs:0x14f00,%rdi 12: 01 00 14: e8 0b 12 00 00 call 0x1224 19: e8 98 15 00 00 call 0x15b6 1e: e8 c6 fb c5 00 call 0xc5fbe9 23: 45 31 e4 xor %r12d,%r12d 26: eb a8 jmp 0xffffffd0 28: 89 f0 mov %esi,%eax * 2a: 49 8b 44 c7 08 mov 0x8(%r15,%rax,8),%rax <-- trapping instruction 2f: 48 85 c0 test %rax,%rax 32: 0f 85 40 fd ff ff jne 0xfffffd78 38: e9 1a fd ff ff jmp 0xfffffd57 3d: 44 rex.R 3e: 89 .byte 0x89 3f: 4d rex.WRB