ci starts bisection 2024-08-16 19:29:37.018065395 +0000 UTC m=+14916.927658302 bisecting fixing commit since 480e035fc4c714fb5536e64ab9db04fedc89e910 building syzkaller on 7a239ce75709b01083336e0f2f44aa8a01734543 ensuring issue is reproducible on original commit 480e035fc4c714fb5536e64ab9db04fedc89e910 testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55e0a1016e62ed6eead7bb4994ec6c79f4063878d02b572370eda4ac39549e60 run #0: crashed: KASAN: slab-use-after-free Read in advance_sched run #1: crashed: KASAN: slab-use-after-free Read in advance_sched run #2: crashed: KASAN: slab-use-after-free Read in advance_sched run #3: crashed: KASAN: slab-use-after-free Read in advance_sched run #4: crashed: KASAN: slab-use-after-free Read in advance_sched run #5: crashed: KASAN: slab-use-after-free Read in advance_sched run #6: crashed: KASAN: slab-use-after-free Read in taprio_dump run #7: crashed: KASAN: slab-use-after-free Read in advance_sched run #8: crashed: KASAN: slab-use-after-free Read in advance_sched run #9: crashed: KASAN: slab-use-after-free Read in advance_sched run #10: crashed: KASAN: slab-use-after-free Read in advance_sched run #11: crashed: KASAN: slab-use-after-free Read in advance_sched run #12: crashed: KASAN: slab-use-after-free Read in taprio_dump run #13: crashed: KASAN: slab-use-after-free Read in advance_sched run #14: crashed: KASAN: slab-use-after-free Read in advance_sched run #15: crashed: KASAN: slab-use-after-free Read in advance_sched run #16: crashed: KASAN: slab-use-after-free Read in advance_sched run #17: crashed: KASAN: slab-use-after-free Read in advance_sched run #18: crashed: KASAN: slab-use-after-free Read in advance_sched run #19: crashed: KASAN: slab-use-after-free Read in advance_sched representative crash: KASAN: slab-use-after-free Read in advance_sched, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82904de237055cb317c07ccee70b481a78ef15294e8ca0b480fce2f100044570 run #0: crashed: KASAN: slab-use-after-free Read in taprio_dump run #1: crashed: KASAN: slab-use-after-free Read in taprio_dump run #2: crashed: KASAN: slab-use-after-free Read in advance_sched run #3: crashed: KASAN: slab-use-after-free Read in taprio_dump run #4: crashed: KASAN: slab-use-after-free Read in taprio_dump run #5: crashed: KASAN: slab-use-after-free Read in taprio_dump run #6: crashed: KASAN: slab-use-after-free Read in advance_sched run #7: crashed: KASAN: slab-use-after-free Read in advance_sched run #8: crashed: KASAN: slab-use-after-free Read in taprio_dump run #9: crashed: KASAN: slab-use-after-free Read in taprio_dump representative crash: KASAN: slab-use-after-free Read in taprio_dump, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=4001 full=7986 leaves diff=2009 split chunks (needed=false): <2009> split chunk #0 of len 2009 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e467b6200834c6dbdc0a36e1a996ffa9abb59145531de240db138ba32ec85ed run #0: crashed: KASAN: slab-use-after-free Read in advance_sched run #1: crashed: KASAN: slab-use-after-free Read in taprio_dump run #2: crashed: KASAN: slab-use-after-free Read in taprio_dump run #3: crashed: KASAN: slab-use-after-free Read in taprio_dump run #4: crashed: KASAN: slab-use-after-free Read in taprio_dump run #5: crashed: KASAN: slab-use-after-free Read in advance_sched run #6: crashed: KASAN: slab-use-after-free Read in advance_sched run #7: crashed: KASAN: slab-use-after-free Read in advance_sched run #8: crashed: KASAN: slab-use-after-free Read in advance_sched run #9: crashed: KASAN: slab-use-after-free Read in taprio_dump representative crash: KASAN: slab-use-after-free Read in advance_sched, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9915c330788eda6edc267e387018b244c87065819223519bd9bb3650beca1179 run #0: crashed: KASAN: slab-use-after-free Read in advance_sched run #1: crashed: KASAN: slab-use-after-free Read in advance_sched run #2: crashed: KASAN: slab-use-after-free Read in taprio_dump run #3: crashed: KASAN: slab-use-after-free Read in taprio_dump run #4: crashed: KASAN: slab-use-after-free Read in advance_sched run #5: crashed: KASAN: slab-use-after-free Read in advance_sched run #6: crashed: KASAN: slab-use-after-free Read in advance_sched run #7: crashed: KASAN: slab-use-after-free Read in taprio_dump run #8: crashed: KASAN: slab-use-after-free Read in advance_sched run #9: crashed: KASAN: slab-use-after-free Read in taprio_dump representative crash: KASAN: slab-use-after-free Read in advance_sched, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c71b1e6867ad0a2c4ca51d967ba1afbceac2a50f4e7bafc01f4193ebbe705964 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 08e3107409a1a2234d6c956cd3c76ee098a2bb8ba53cc73c37beaa0f57b23906 run #0: crashed: KASAN: slab-use-after-free Read in advance_sched run #1: crashed: KASAN: slab-use-after-free Read in taprio_dump run #2: crashed: KASAN: slab-use-after-free Read in taprio_dump run #3: crashed: KASAN: slab-use-after-free Read in taprio_dump run #4: crashed: KASAN: slab-use-after-free Read in taprio_dump run #5: crashed: KASAN: slab-use-after-free Read in taprio_dump run #6: crashed: KASAN: slab-use-after-free Read in advance_sched run #7: crashed: KASAN: slab-use-after-free Read in taprio_dump run #8: crashed: KASAN: slab-use-after-free Read in advance_sched run #9: crashed: KASAN: slab-use-after-free Read in taprio_dump representative crash: KASAN: slab-use-after-free Read in advance_sched, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae1b9aff96825e16dba6c4baa965bc2fb72ad5cba3c4303c964dc4d79bd139be run #0: crashed: KASAN: slab-use-after-free Read in taprio_dump run #1: crashed: KASAN: slab-use-after-free Read in advance_sched run #2: crashed: KASAN: slab-use-after-free Read in taprio_dump run #3: crashed: KASAN: slab-use-after-free Read in taprio_dump run #4: crashed: KASAN: slab-use-after-free Read in advance_sched run #5: crashed: KASAN: slab-use-after-free Read in taprio_dump run #6: crashed: KASAN: slab-use-after-free Read in taprio_dump run #7: crashed: KASAN: slab-use-after-free Read in taprio_dump run #8: crashed: KASAN: slab-use-after-free Read in taprio_dump run #9: crashed: KASAN: slab-use-after-free Read in advance_sched representative crash: KASAN: slab-use-after-free Read in taprio_dump, types: [KASAN] the chunk can be dropped minimized to 402 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE HAMRADIO HAVE_KVM HSR IMA IMA_APPRAISE IMA_APPRAISE_MODSIG INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_SIGNATURE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMMON KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRIVATE_MEM KVM_HYPERV KVM_MMIO KVM_PRIVATE_MEM KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MODULE_SIG_SHA256 MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V2 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 296c871d2904cff2b4742702ef94512ab467a8e3 testing commit 296c871d2904cff2b4742702ef94512ab467a8e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8227ce06f237e4d4f5b749fed6fa19303c4f0e114f1e50c2c1450894cff7506 run #0: crashed: KASAN: slab-use-after-free Read in taprio_dump run #1: crashed: KASAN: slab-use-after-free Read in taprio_dump run #2: crashed: KASAN: slab-use-after-free Read in taprio_dump run #3: crashed: KASAN: slab-use-after-free Read in taprio_dump run #4: crashed: KASAN: slab-use-after-free Read in taprio_dump run #5: crashed: KASAN: slab-use-after-free Read in advance_sched run #6: crashed: KASAN: slab-use-after-free Read in taprio_dump run #7: crashed: KASAN: slab-use-after-free Read in taprio_dump run #8: crashed: KASAN: slab-use-after-free Read in advance_sched run #9: crashed: KASAN: slab-use-after-free Read in advance_sched representative crash: KASAN: slab-use-after-free Read in taprio_dump, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h42m44.190032548s (build: 1h1m48.649970097s, test: 36m22.920831975s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'thermal-6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm crash: KASAN: slab-use-after-free Read in taprio_dump ================================================================== BUG: KASAN: slab-use-after-free in taprio_dump_tc_entries net/sched/sch_taprio.c:2284 [inline] BUG: KASAN: slab-use-after-free in taprio_dump+0x79c/0xc30 net/sched/sch_taprio.c:2397 Read of size 4 at addr ffff88811dd6e0c0 by task syz-executor.1/3373 CPU: 0 UID: 0 PID: 3373 Comm: syz-executor.1 Not tainted 6.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x231/0x330 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 taprio_dump_tc_entries net/sched/sch_taprio.c:2284 [inline] taprio_dump+0x79c/0xc30 net/sched/sch_taprio.c:2397 tc_fill_qdisc+0x677/0x1120 net/sched/sch_api.c:952 qdisc_notify+0x2ec/0x4b0 net/sched/sch_api.c:1053 tc_modify_qdisc+0x1852/0x1a40 net/sched/sch_api.c:1749 rtnetlink_rcv_msg+0x9ef/0xbb0 net/core/rtnetlink.c:6647 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7c6/0x960 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x88e/0xc40 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg+0x27a/0x310 net/socket.c:2651 __sys_sendmmsg+0x2a9/0x500 net/socket.c:2737 __do_sys_sendmmsg net/socket.c:2766 [inline] __se_sys_sendmmsg net/socket.c:2763 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f657a61dda9 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:00007f657a19f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f657a74bf80 RCX: 00007f657a61dda9 RDX: 0492492492492856 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f657a66a47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000001400 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f657a74bf80 R15: 00007f657a86fa48 Allocated by task 3362: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __kmalloc_cache_noprof+0x19e/0x360 mm/slub.c:4189 kmalloc_noprof include/linux/slab.h:681 [inline] kzalloc_noprof include/linux/slab.h:807 [inline] taprio_change+0xf31/0x3df0 net/sched/sch_taprio.c:1859 qdisc_change net/sched/sch_api.c:1417 [inline] tc_modify_qdisc+0x16b2/0x1a40 net/sched/sch_api.c:1747 rtnetlink_rcv_msg+0x9ef/0xbb0 net/core/rtnetlink.c:6647 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7c6/0x960 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x88e/0xc40 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg+0x27a/0x310 net/socket.c:2651 __sys_sendmmsg+0x2a9/0x500 net/socket.c:2737 __do_sys_sendmmsg net/socket.c:2766 [inline] __se_sys_sendmmsg net/socket.c:2763 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 15: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2252 [inline] slab_free mm/slub.c:4473 [inline] kfree+0x12f/0x310 mm/slub.c:4594 rcu_do_batch kernel/rcu/tree.c:2569 [inline] rcu_core+0xc3c/0x1470 kernel/rcu/tree.c:2843 handle_softirqs+0x1b7/0x570 kernel/softirq.c:554 run_ksoftirqd+0x28/0x40 kernel/softirq.c:928 smpboot_thread_fn+0x460/0x8e0 kernel/smpboot.c:164 kthread+0x290/0x300 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 __call_rcu_common kernel/rcu/tree.c:3106 [inline] call_rcu+0x159/0x8e0 kernel/rcu/tree.c:3210 taprio_change+0x229f/0x3df0 net/sched/sch_taprio.c:1968 qdisc_change net/sched/sch_api.c:1417 [inline] tc_modify_qdisc+0x16b2/0x1a40 net/sched/sch_api.c:1747 rtnetlink_rcv_msg+0x9ef/0xbb0 net/core/rtnetlink.c:6647 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7c6/0x960 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x88e/0xc40 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg+0x27a/0x310 net/socket.c:2651 __sys_sendmmsg+0x2a9/0x500 net/socket.c:2737 __do_sys_sendmmsg net/socket.c:2766 [inline] __se_sys_sendmmsg net/socket.c:2763 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88811dd6e000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 192 bytes inside of freed 512-byte region [ffff88811dd6e000, ffff88811dd6e200) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11dd6c head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0x200000000000040(head|node=0|zone=2) page_type: 0xfdffffff(slab) raw: 0200000000000040 ffff888100041c80 0000000000000000 dead000000000001 raw: 0000000000000000 0000000000100010 00000001fdffffff 0000000000000000 head: 0200000000000040 ffff888100041c80 0000000000000000 dead000000000001 head: 0000000000000000 0000000000100010 00000001fdffffff 0000000000000000 head: 0200000000000002 ffffea0004775b01 ffffffffffffffff 0000000000000000 head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 34, tgid 34 (kworker/u8:2), ts 39000463209, free_ts 38876239330 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x10f/0x130 mm/page_alloc.c:1493 prep_new_page mm/page_alloc.c:1501 [inline] get_page_from_freelist+0x37f4/0x3920 mm/page_alloc.c:3442 __alloc_pages_noprof+0x256/0x670 mm/page_alloc.c:4700 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x5f/0x120 mm/slub.c:2321 allocate_slab+0x5d/0x290 mm/slub.c:2484 new_slab mm/slub.c:2537 [inline] ___slab_alloc+0xa7f/0x11d0 mm/slub.c:3723 __slab_alloc mm/slub.c:3813 [inline] __slab_alloc_node mm/slub.c:3866 [inline] slab_alloc_node mm/slub.c:4025 [inline] __do_kmalloc_node mm/slub.c:4157 [inline] __kmalloc_noprof+0x25a/0x440 mm/slub.c:4170 kmalloc_noprof include/linux/slab.h:685 [inline] kzalloc_noprof include/linux/slab.h:807 [inline] ieee80211_alloc_chanctx net/mac80211/chan.c:671 [inline] ieee80211_new_chanctx+0x113/0x490 net/mac80211/chan.c:725 _ieee80211_link_use_channel+0xc9c/0x1540 net/mac80211/chan.c:1886 ieee80211_link_use_channel net/mac80211/ieee80211_i.h:2598 [inline] __ieee80211_sta_join_ibss+0x734/0x16f0 net/mac80211/ibss.c:298 ieee80211_sta_create_ibss+0x395/0x630 net/mac80211/ibss.c:1322 ieee80211_sta_find_ibss net/mac80211/ibss.c:1451 [inline] ieee80211_ibss_work+0xceb/0x1380 net/mac80211/ibss.c:1668 cfg80211_wiphy_work+0x331/0x580 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0x9a7/0x15f0 kernel/workqueue.c:3312 worker_thread+0xa60/0xf30 kernel/workqueue.c:3390 kthread+0x290/0x300 kernel/kthread.c:389 page last free pid 1977 tgid 1977 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1094 [inline] free_unref_page+0xbc0/0xd00 mm/page_alloc.c:2612 discard_slab mm/slub.c:2583 [inline] __put_partials+0x18e/0x1d0 mm/slub.c:3051 put_cpu_partial+0x151/0x1b0 mm/slub.c:3126 __slab_free+0x2b8/0x3a0 mm/slub.c:4343 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3988 [inline] slab_alloc_node mm/slub.c:4037 [inline] kmem_cache_alloc_noprof+0x12b/0x350 mm/slub.c:4044 getname_flags+0xb7/0x540 fs/namei.c:139 vfs_fstatat+0xdd/0x120 fs/stat.c:340 __do_sys_newfstatat fs/stat.c:505 [inline] __se_sys_newfstatat+0xd1/0x760 fs/stat.c:499 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88811dd6df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811dd6e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88811dd6e080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811dd6e100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811dd6e180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================