ci starts bisection 2024-08-03 11:37:33.736752756 +0000 UTC m=+107.626950698 bisecting fixing commit since 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff building syzkaller on 3bb7af1def6b7b99e4c1c9573162eb41b5893cd3 ensuring issue is reproducible on original commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff testing commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4abd4b20830fad6f6b493cf351cf6ffebb267539017ebb4e20a63d9f11cc3807 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, 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 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c8429ac307dd7e1f84264cffb610752af38cf38a623b249dca6af8a3e5bd7e58 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3993 full=7603 leaves diff=2010 split chunks (needed=false): <2010> split chunk #0 of len 2010 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 76ae3dd33988e9e1b2e0fc9a152b792b54411517cd3af39e6bc46455ab17aca4 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 392ed843552b3e3f2e74f2e053611d9902ddff332e0ca59dc9ca075a89daa540 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79f8681c8660981899ac7e1ebec0a4a5ea24b2fadb99a918d0dda958a1283469 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b09e85123a9424e4bd04f401eb1f697418f20a1e0bac87a8155ee71ad5eeddcd all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2fe73eb37044e4b110827e4e50e60711391197873249ba3bbf3c6e95b49d08b0 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] the chunk can be dropped minimized to 402 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HAVE_KVM 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_MH IP_VS_NFCT IP_VS_NQ 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_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 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 MICROCODE_AMD MICROCODE_INTEL 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_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 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_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_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 17712b7ea0756799635ba159cc773082230ed028 testing commit 17712b7ea0756799635ba159cc773082230ed028 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21ac09c985d73361956ed06742b4536c6f57c9f727c78f1cb11b7f246c846710 all runs: OK false negative chance: 0.000 # git bisect start 17712b7ea0756799635ba159cc773082230ed028 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff Bisecting: 54474 revisions left to test after this (roughly 16 steps) [3e7aeb78ab01c2c2f0e1f784e5ddec88fcd3d106] Merge tag 'net-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff crashed and is reachable testing commit 3e7aeb78ab01c2c2f0e1f784e5ddec88fcd3d106 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7321577c9b8aea5c1a49e10d7fa288ad2d56dda65a6a85b9d2f548d538a78504 all runs: OK false negative chance: 0.000 # git bisect bad 3e7aeb78ab01c2c2f0e1f784e5ddec88fcd3d106 Bisecting: 27436 revisions left to test after this (roughly 15 steps) [0468be89b3fa5b9249cee1097f1d50314950a2df] Merge tag 'iommu-updates-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu determine whether the revision contains the guilty commit revision 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff crashed and is reachable testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c5edf37680f8bea64de95641a63208b4c4e9c8cd022bd19d147a8a42fa977c64 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good 0468be89b3fa5b9249cee1097f1d50314950a2df Bisecting: 13880 revisions left to test after this (roughly 14 steps) [deefd5024f0772cf56052ace9a8c347dc70bcaf3] Merge tag 'vfio-v6.7-rc1' of https://github.com/awilliam/linux-vfio determine whether the revision contains the guilty commit revision 0468be89b3fa5b9249cee1097f1d50314950a2df crashed and is reachable testing commit deefd5024f0772cf56052ace9a8c347dc70bcaf3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 98f1077d45f4701c7c51d36b5f30a581977d64bed867285883779f4af0fc6b9a run #0: crashed: KASAN: slab-use-after-free Read in release_metapage run #1: crashed: KASAN: slab-use-after-free Read in release_metapage run #2: crashed: KASAN: slab-use-after-free Read in release_metapage run #3: crashed: KASAN: slab-use-after-free Read in release_metapage run #4: crashed: KASAN: slab-use-after-free Read in release_metapage run #5: crashed: KASAN: slab-use-after-free Read in release_metapage run #6: crashed: KASAN: slab-use-after-free Read in release_metapage run #7: crashed: KASAN: slab-use-after-free Read in release_metapage run #8: crashed: KASAN: slab-use-after-free Read in release_metapage run #9: OK representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good deefd5024f0772cf56052ace9a8c347dc70bcaf3 Bisecting: 6911 revisions left to test after this (roughly 13 steps) [c0d12d769299e1e08338988c7745009e0db2a4a0] Merge tag 'drm-next-2023-11-10' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision deefd5024f0772cf56052ace9a8c347dc70bcaf3 crashed and is reachable testing commit c0d12d769299e1e08338988c7745009e0db2a4a0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 94ce2b159115a029c36ccbe10991c8fe8dfd3fabafc267d4ff8851058ff49a88 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good c0d12d769299e1e08338988c7745009e0db2a4a0 Bisecting: 3452 revisions left to test after this (roughly 12 steps) [063a7ce32ddc2c4f2404b0dfd29e60e3dbcdffac] Merge tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm determine whether the revision contains the guilty commit revision 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff crashed and is reachable testing commit 063a7ce32ddc2c4f2404b0dfd29e60e3dbcdffac gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 56c4c5d6eb8f0556b174573b88b85383bf8fe60fb2ef9e62d578458727aa26a9 all runs: OK false negative chance: 0.000 # git bisect bad 063a7ce32ddc2c4f2404b0dfd29e60e3dbcdffac Bisecting: 1731 revisions left to test after this (roughly 11 steps) [134fdb80bc130dba429295ac64358b16b695628c] Merge tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl determine whether the revision contains the guilty commit revision deefd5024f0772cf56052ace9a8c347dc70bcaf3 crashed and is reachable testing commit 134fdb80bc130dba429295ac64358b16b695628c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cffc934290f59e998caf90705c3f01d5dd601e6f6d5ff9ddc9ec61d9f9e1cb77 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good 134fdb80bc130dba429295ac64358b16b695628c Bisecting: 867 revisions left to test after this (roughly 10 steps) [3cf1d6a5fbf3f724d12b01635319924239d42c00] Merge tag 'm68k-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k determine whether the revision contains the guilty commit revision 134fdb80bc130dba429295ac64358b16b695628c crashed and is reachable testing commit 3cf1d6a5fbf3f724d12b01635319924239d42c00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 417656b0f2b10aa5753ff00a46873ecf6b2a00925f5860efee827b9d63ca6810 all runs: OK false negative chance: 0.000 # git bisect bad 3cf1d6a5fbf3f724d12b01635319924239d42c00 Bisecting: 432 revisions left to test after this (roughly 9 steps) [08bd31ece082051f5369324ae99983f4e3f9b84e] Merge tag 'sound-6.7-final' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision c0d12d769299e1e08338988c7745009e0db2a4a0 crashed and is reachable testing commit 08bd31ece082051f5369324ae99983f4e3f9b84e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d418aad2b7d100881501500b882ab6d12417dc6a38093d2a120f2ad1dc96778 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good 08bd31ece082051f5369324ae99983f4e3f9b84e Bisecting: 229 revisions left to test after this (roughly 8 steps) [8c9440fea77440772542d6dbcb5c36182495c164] Merge tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff crashed and is reachable testing commit 8c9440fea77440772542d6dbcb5c36182495c164 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6eae5192ed2ae74f6d6e91cfd4d13b6b19623bd9253240c4542e5608608c990b all runs: OK false negative chance: 0.000 # git bisect bad 8c9440fea77440772542d6dbcb5c36182495c164 Bisecting: 103 revisions left to test after this (roughly 7 steps) [2b5bd1498da5537e3d130b3862bccdd9aedd6c84] Merge tag 'drm-fixes-2024-01-05' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision deefd5024f0772cf56052ace9a8c347dc70bcaf3 crashed and is reachable testing commit 2b5bd1498da5537e3d130b3862bccdd9aedd6c84 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7f3269ec59fad16fb1ba124e7405736fb98cbc6fd04e0d77e547ad7ead797504 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good 2b5bd1498da5537e3d130b3862bccdd9aedd6c84 Bisecting: 38 revisions left to test after this (roughly 6 steps) [c604110e662a54568073a03176402b624e740310] Merge tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision c0d12d769299e1e08338988c7745009e0db2a4a0 crashed and is reachable testing commit c604110e662a54568073a03176402b624e740310 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb58e8ffd90a5435ee519f7a805d9cbcbbeb24eff9d2c37fb9ee28cde7395e7e all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good c604110e662a54568073a03176402b624e740310 Bisecting: 19 revisions left to test after this (roughly 4 steps) [cd34758c5238ae6976b10fe15bba7031b409c969] block: Remove blkdev_get_by_*() functions determine whether the revision contains the guilty commit revision c0d12d769299e1e08338988c7745009e0db2a4a0 crashed and is reachable testing commit cd34758c5238ae6976b10fe15bba7031b409c969 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e504b56b8e10d4448626affe7bcdad2fdf4b8810b3c820001cc66d6654fbee5 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good cd34758c5238ae6976b10fe15bba7031b409c969 Bisecting: 9 revisions left to test after this (roughly 3 steps) [5bd3cf8cbc8a286308ef3f40656659d5abc89995] add selftest for statmount/listmount determine whether the revision contains the guilty commit revision 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff crashed and is reachable testing commit 5bd3cf8cbc8a286308ef3f40656659d5abc89995 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b1a2f9c25840169bd91dae76e9a3b16b45ce8222ea3166fdbe079e60734f1e4 all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good 5bd3cf8cbc8a286308ef3f40656659d5abc89995 Bisecting: 4 revisions left to test after this (roughly 2 steps) [afde134b5bd02a5c719336ca1d0d3cb7e4def70e] ext4: Block writes to journal device determine whether the revision contains the guilty commit revision 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff crashed and is reachable testing commit afde134b5bd02a5c719336ca1d0d3cb7e4def70e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f68d0710e486dc9bd65f71272dbb8d6378fe3095002abd73f9a6af3ba130e33 all runs: OK false negative chance: 0.000 # git bisect bad afde134b5bd02a5c719336ca1d0d3cb7e4def70e Bisecting: 2 revisions left to test after this (roughly 1 step) [ead622674df5a3ae575b964090bee65f6b7f805f] btrfs: Do not restrict writes to btrfs devices determine whether the revision contains the guilty commit revision c0d12d769299e1e08338988c7745009e0db2a4a0 crashed and is reachable testing commit ead622674df5a3ae575b964090bee65f6b7f805f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ff15a50e7d32bae03f31f090741ce612aa6be792df1759a829c14f348f1bfec all runs: crashed: KASAN: slab-use-after-free Read in release_metapage representative crash: KASAN: slab-use-after-free Read in release_metapage, types: [KASAN] # git bisect good ead622674df5a3ae575b964090bee65f6b7f805f Bisecting: 0 revisions left to test after this (roughly 1 step) [3584c8f48a70c1f74c7b7bab59cf22bb66224649] xfs: Block writes to log device determine whether the revision contains the guilty commit revision c0d12d769299e1e08338988c7745009e0db2a4a0 crashed and is reachable testing commit 3584c8f48a70c1f74c7b7bab59cf22bb66224649 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a7cdec4621656bc5c847996136c062544319525c5d881eb949c13252b1446cb all runs: OK false negative chance: 0.000 # git bisect bad 3584c8f48a70c1f74c7b7bab59cf22bb66224649 Bisecting: 0 revisions left to test after this (roughly 0 steps) [6f861765464f43a71462d52026fbddfc858239a5] fs: Block writes to mounted block devices determine whether the revision contains the guilty commit revision 0468be89b3fa5b9249cee1097f1d50314950a2df crashed and is reachable testing commit 6f861765464f43a71462d52026fbddfc858239a5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e262447ba9ac0c849a868abe03aa65be35eaaff18bc66540e1c21cd7d680edc6 all runs: OK false negative chance: 0.000 # git bisect bad 6f861765464f43a71462d52026fbddfc858239a5 6f861765464f43a71462d52026fbddfc858239a5 is the first bad commit commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 18:43:10 2023 +0100 fs: Block writes to mounted block devices Ask block layer to block writes to block devices mounted by filesystems. Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20231101174325.10596-5-jack@suse.cz Reviewed-by: Christian Brauner Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner include/linux/blkdev.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: e262447ba9ac0c849a868abe03aa65be35eaaff18bc66540e1c21cd7d680edc6 parent signature: 1ff15a50e7d32bae03f31f090741ce612aa6be792df1759a829c14f348f1bfec revisions tested: 25, total time: 7h50m2.792687209s (build: 3h16m4.766202986s, test: 3h29m21.630813963s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []