ci2 starts bisection 2025-12-03 23:05:15.485583216 +0000 UTC m=+639327.662706283
bisecting fixing commit since 43bb85222e53926decace01ce6584ca88e09a0a9
building syzkaller on e2beed91937c0ace342f19a2e9afb67adb3a828a
ensuring issue is reproducible on original commit 43bb85222e53926decace01ce6584ca88e09a0a9

testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 77f570036dbcf1d0e56269638807a89d0731deccdf2c465ee6119f1e88fb0f83
all runs: crashed: possible deadlock in ext4_truncate
representative crash: possible deadlock in ext4_truncate, types: [LOCKDEP]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 57bd4f916e3a3dceaeb4f97d9926de920bd46269904e07b9165dd4c1b298952d
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: crashed: possible deadlock in ext4_truncate
run #5: crashed: possible deadlock in ext4_truncate
run #6: crashed: possible deadlock in ext4_truncate
run #7: OK
run #8: OK
run #9: OK
representative crash: possible deadlock in ext4_truncate, types: [LOCKDEP]
the bug reproduces without the instrumentation
disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=3707 full=7424 leaves diff=2100
split chunks (needed=false): <2100>
split chunk #0 of len 2100 into 5 parts
testing without sub-chunk 1/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ca207c09193f0500925a14b845b6844372ea13e5b74591c5ebf82939602feb38
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: crashed: possible deadlock in ext4_truncate
run #5: crashed: possible deadlock in ext4_truncate
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: possible deadlock in ext4_truncate
representative crash: possible deadlock in ext4_truncate, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed
testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9c7f977a0def7f78efbd5f68341da8b502b7c08d35ed88b2c62f9fe53d09e7af
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: crashed: possible deadlock in ext4_truncate
run #9: OK
representative crash: possible deadlock in ext4_truncate, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 13aeb652659e6f133965c400b61900022ed4ed75747447eec42596ac8b5a6e38
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5778e7d79528c379c55b607211142f7c95c3cc0aaeebd78d6a1a967f35c33bb1
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: crashed: possible deadlock in ext4_truncate
run #5: crashed: possible deadlock in ext4_truncate
run #6: crashed: possible deadlock in ext4_truncate
run #7: crashed: possible deadlock in ext4_truncate
run #8: crashed: possible deadlock in ext4_truncate
run #9: OK
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: crashed: possible deadlock in ext4_truncate
run #19: OK
representative crash: possible deadlock in ext4_truncate, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8c3dcabf76bb809ba7e78e26166464ba58b7b8aa8a61a8d490fe0cd0931d66b8
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: crashed: possible deadlock in ext4_truncate
run #5: crashed: possible deadlock in ext4_truncate
run #6: crashed: possible deadlock in ext4_truncate
run #7: OK
run #8: OK
run #9: crashed: possible deadlock in ext4_truncate
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
the chunk can be dropped
minimized to 420 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_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC 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_TCP 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_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISA_BUS 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_PXRC 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_INTEL 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 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 MDIO_MVUSB 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 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 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 MITIGATION_TSA MITIGATION_VMSCAPE MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOST_USB_HDM 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_BLK ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_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 NETFS_SUPPORT 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_CGROUP 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_EGRESS 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_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_COUNTER 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_OBJREF NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_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_FLOW_TABLE_IPV4 NF_FLOW_TABLE_IPV6 NF_NAT_AMANDA NF_NAT_H323 NF_NAT_PPTP 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 VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25]
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
determining the merge base between 43bb85222e53926decace01ce6584ca88e09a0a9 and 51ab33fc0a8bef9454849371ef897a1241911b37
8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 66b1763912775cd0ca05b415fd17537c80e0ec8da15bc1bdce9e77899893523a
all runs: crashed: possible deadlock in ext4_xattr_inode_iget
representative crash: possible deadlock in ext4_xattr_inode_iget, types: [LOCKDEP]
testing current HEAD 51ab33fc0a8bef9454849371ef897a1241911b37
testing commit 51ab33fc0a8bef9454849371ef897a1241911b37 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 771224acd2d26d597ecc3e4a3317122837e43a7fa7fb8b687c0ec001df887df7
all runs: OK
false negative chance: 0.000
# git bisect start 51ab33fc0a8bef9454849371ef897a1241911b37 8bb7eca972ad531c9b149c0a51ab43a417385813
Bisecting: 177771 revisions left to test after this (roughly 18 steps)
[89ed67ef126c4160349c1b96fdb775ea6170ac90] Merge tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 89ed67ef126c4160349c1b96fdb775ea6170ac90: ./include/linux/vmstat.h:508:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
:515:43: error: ./include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
  :522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
# git bisect skip 89ed67ef126c4160349c1b96fdb775ea6170ac90
Bisecting: 177771 revisions left to test after this (roughly 18 steps)
[7d7f27be8f67b7b2b3fbf373b7931c4acec284a5] arm64: dts: imx8mp: add imx8mp-venice-gw74xx-imx219 overlay for rpi v2 camera

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 7d7f27be8f67b7b2b3fbf373b7931c4acec284a5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 7d7f27be8f67b7b2b3fbf373b7931c4acec284a5: ./include/linux/vmstat.h:508:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
  528 | ./include/linux/vmstat.h:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
  528 |                            NR_VM_./include/linux/vmstat.h:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
NUMA./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
_EV./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
      | ./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
# git bisect skip 7d7f27be8f67b7b2b3fbf373b7931c4acec284a5
Bisecting: 177771 revisions left to test after this (roughly 18 steps)
[4ac4677fdb76f644e09a6331bab65919b85f617d] Merge tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

determine whether the revision contains the guilty commit
revision 89ed67ef126c4160349c1b96fdb775ea6170ac90 crashed and is reachable
testing commit 4ac4677fdb76f644e09a6331bab65919b85f617d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 4ac4677fdb76f644e09a6331bab65919b85f617d:   43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
  515 |         retur./include/linux/vmstat.hn vmstat_text[NR_VM_ZONE_S:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:508:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
../include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
508 |         return ./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
mstat._tex./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
  509 |                         ./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
# git bisect skip 4ac4677fdb76f644e09a6331bab65919b85f617d
Bisecting: 177771 revisions left to test after this (roughly 18 steps)
[8e7377d66e6885c9256f82cb0c1f009d91e6efb8] ASoC: Intel: sof_cs42l42: remove hdac-hdmi support

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 8e7377d66e6885c9256f82cb0c1f009d91e6efb8 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 8e7377d66e6885c9256f82cb0c1f009d91e6efb8: ./include/linux/vmstat.h:508:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion]
# git bisect skip 8e7377d66e6885c9256f82cb0c1f009d91e6efb8
Bisecting: 177771 revisions left to test after this (roughly 18 steps)
[9910ce9a6bc1a0138c0c0723a83b3b57bbe37f83] arm64: dts: imx8mp-phyboard-pollux: Set debug uart muxing to 0x140

determine whether the revision contains the guilty commit
revision 8e7377d66e6885c9256f82cb0c1f009d91e6efb8 crashed and is reachable
testing commit 9910ce9a6bc1a0138c0c0723a83b3b57bbe37f83 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e18714dce2b17e9837068cfd793e4fc3e877b50518b3e2f2cb177d0097ca98b5
all runs: crashed: possible deadlock in ext4_xattr_inode_iget
representative crash: possible deadlock in ext4_xattr_inode_iget, types: [LOCKDEP]
# git bisect good 9910ce9a6bc1a0138c0c0723a83b3b57bbe37f83
Bisecting: 76043 revisions left to test after this (roughly 16 steps)
[2d2d4f60ed266a8f340a721102d035252606980b] mctp i3c: fix MCTP I3C driver multi-thread issue

determine whether the revision contains the guilty commit
revision 89ed67ef126c4160349c1b96fdb775ea6170ac90 crashed and is reachable
testing commit 2d2d4f60ed266a8f340a721102d035252606980b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 934208813ab2cecff4f6ac8f48e0cea6362167f41df2e92aad33d5219de54321
all runs: OK
false negative chance: 0.000
# git bisect bad 2d2d4f60ed266a8f340a721102d035252606980b
Bisecting: 38089 revisions left to test after this (roughly 15 steps)
[0ffb8a4c96e55ecf0e572aec1a0220af3da84e22] Merge tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

determine whether the revision contains the guilty commit
revision 89ed67ef126c4160349c1b96fdb775ea6170ac90 crashed and is reachable
testing commit 0ffb8a4c96e55ecf0e572aec1a0220af3da84e22 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 06b3a1e372c8cf1ad91e429ab9fd6c920feb2e066fbf10429e1cd67129724087
all runs: crashed: possible deadlock in ext4_xattr_inode_iget
representative crash: possible deadlock in ext4_xattr_inode_iget, types: [LOCKDEP]
# git bisect good 0ffb8a4c96e55ecf0e572aec1a0220af3da84e22
Bisecting: 18987 revisions left to test after this (roughly 14 steps)
[3a37872316c2e3288e09a1322221c83e5929768d] Merge tag 'pci-v6.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 3a37872316c2e3288e09a1322221c83e5929768d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 108cd91e043db638d103a24a6ef7a560ffe5a36b52ca7c065815f3ae50093f23
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
# git bisect good 3a37872316c2e3288e09a1322221c83e5929768d
Bisecting: 9725 revisions left to test after this (roughly 13 steps)
[6e95ef0258ff4ee23ae3b06bf6b00b33dbbd5ef7] Merge tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 6e95ef0258ff4ee23ae3b06bf6b00b33dbbd5ef7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 724843c649c92d42eb62234012033471c0447b4e46155067e93b26f8ac3390aa
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
# git bisect good 6e95ef0258ff4ee23ae3b06bf6b00b33dbbd5ef7
Bisecting: 4895 revisions left to test after this (roughly 12 steps)
[5c00ff742bf5caf85f60e1c73999f99376fb865d] Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

determine whether the revision contains the guilty commit
revision 89ed67ef126c4160349c1b96fdb775ea6170ac90 crashed and is reachable
testing commit 5c00ff742bf5caf85f60e1c73999f99376fb865d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c5840120cc2b25563455de8fcafab964b13c6c40f397e06267c2d8aa19eb2976
run #0: basic kernel testing failed: lost connection to test machine
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 17 good runs (wanted 15), for bad wanted 10 in total, got 19
# git bisect skip 5c00ff742bf5caf85f60e1c73999f99376fb865d
Bisecting: 4895 revisions left to test after this (roughly 12 steps)
[7f8b718c58783f3ff0810b39e2f62f50ba2549f6] xfs: return from xfs_symlink_verify early on V4 filesystems

determine whether the revision contains the guilty commit
revision 0ffb8a4c96e55ecf0e572aec1a0220af3da84e22 crashed and is reachable
testing commit 7f8b718c58783f3ff0810b39e2f62f50ba2549f6 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6ef760a147254d0d2d14fdfcc43f1dae1850bd6a77373ec0c79f753cf2808e60
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
# git bisect good 7f8b718c58783f3ff0810b39e2f62f50ba2549f6
Bisecting: 457 revisions left to test after this (roughly 9 steps)
[8faabc041a001140564f718dabe37753e88b37fa] Merge tag 'net-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 8faabc041a001140564f718dabe37753e88b37fa gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: cfb0297e159f3e5dd5f1a6dbf2d63e1e5a6f95012afbf84a2b77ede36bb28e75
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 8faabc041a001140564f718dabe37753e88b37fa
Bisecting: 457 revisions left to test after this (roughly 9 steps)
[5eecd85c77a254a43bde3212da8047b001745c9f] psample: adjust size if rate_as_probability is set

determine whether the revision contains the guilty commit
revision 5c00ff742bf5caf85f60e1c73999f99376fb865d crashed and is reachable
testing commit 5eecd85c77a254a43bde3212da8047b001745c9f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 07fc68166a5df08368901cf4bc636bc86b8fb5dcd86de5e3d146f532cd13d1ba
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 5eecd85c77a254a43bde3212da8047b001745c9f
Bisecting: 457 revisions left to test after this (roughly 9 steps)
[32ed1205682ec42ad51e55b239a190d55476aeb8] arm64: stacktrace: Skip reporting LR at exception boundaries

determine whether the revision contains the guilty commit
revision 0ffb8a4c96e55ecf0e572aec1a0220af3da84e22 crashed and is reachable
testing commit 32ed1205682ec42ad51e55b239a190d55476aeb8 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 526bc4baaf8b08487b1d21ab6742f712f732a1ee7d3c005d52d558cd411d8a36
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 32ed1205682ec42ad51e55b239a190d55476aeb8
Bisecting: 457 revisions left to test after this (roughly 9 steps)
[2a816e4f6a407cfbd7a8345a0c09473eff656139] Merge tag 'io_uring-6.13-20241213' of git://git.kernel.dk/linux

determine whether the revision contains the guilty commit
revision 5c00ff742bf5caf85f60e1c73999f99376fb865d crashed and is reachable
testing commit 2a816e4f6a407cfbd7a8345a0c09473eff656139 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 05572cb5e996d9407e17fa85adfddaa8d12a65a93af889546331c061ae1bb2d5
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 2a816e4f6a407cfbd7a8345a0c09473eff656139
Bisecting: 457 revisions left to test after this (roughly 9 steps)
[a34e92d2e831729f0ed5df20d15b4df419cd0ba4] kbuild: deb-pkg: add debarch for ARCH=um

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit a34e92d2e831729f0ed5df20d15b4df419cd0ba4 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 4a6f19aea4126281ff4f32272e6879ef01faae17373d8a9fe46f05ba0a232ae6
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip a34e92d2e831729f0ed5df20d15b4df419cd0ba4
Bisecting: 457 revisions left to test after this (roughly 9 steps)
[7824850768aafe0e69ec6586900cc5c1dac94fe3] Merge tag 'rust-fixes-6.13' of https://github.com/Rust-for-Linux/linux

determine whether the revision contains the guilty commit
revision 8e7377d66e6885c9256f82cb0c1f009d91e6efb8 crashed and is reachable
testing commit 7824850768aafe0e69ec6586900cc5c1dac94fe3 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 17726d494ebef3ec53217272f54bf464eab67ad46f7957f6eeae25b4134f2032
run #0: ignore: lost connection to test machine
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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
false negative chance: 0.022
# git bisect bad 7824850768aafe0e69ec6586900cc5c1dac94fe3
Bisecting: 122 revisions left to test after this (roughly 7 steps)
[01abac26dccd77eddffec6b032e51f501714dee3] Merge tag 'perf-tools-fixes-for-v6.13-2024-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

determine whether the revision contains the guilty commit
revision 7d7f27be8f67b7b2b3fbf373b7931c4acec284a5 crashed and is reachable
testing commit 01abac26dccd77eddffec6b032e51f501714dee3 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 27166f5f0d61e1955cd6da27602988142974e6d863656914517c72be0d8a44cc
all runs: OK
false negative chance: 0.018
# git bisect bad 01abac26dccd77eddffec6b032e51f501714dee3
Bisecting: 61 revisions left to test after this (roughly 6 steps)
[581dd2dc168fe0ed2a7a5534a724f0d3751c93ae] Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating

determine whether the revision contains the guilty commit
revision 89ed67ef126c4160349c1b96fdb775ea6170ac90 crashed and is reachable
testing commit 581dd2dc168fe0ed2a7a5534a724f0d3751c93ae gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6f4445b575a9fb6b76b11994642f58d0d7274989d1669d1b71b488c21b1c60cb
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 581dd2dc168fe0ed2a7a5534a724f0d3751c93ae
Bisecting: 61 revisions left to test after this (roughly 6 steps)
[6bd8614fc2d076fc21b7488c9f279853960964e2] splice: do not checksum AF_UNIX sockets

determine whether the revision contains the guilty commit
revision 3a37872316c2e3288e09a1322221c83e5929768d crashed and is reachable
testing commit 6bd8614fc2d076fc21b7488c9f279853960964e2 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 2100a03a63fbde35e179686d9b8bf273056f0a0c521be09b6e9821885de55ec1
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 6bd8614fc2d076fc21b7488c9f279853960964e2
Bisecting: 61 revisions left to test after this (roughly 6 steps)
[4b01bec25bef62544228bce06db6a3afa5d3d6bb] net: mscc: ocelot: fix memory leak on ocelot_port_add_txtstamp_skb()

determine whether the revision contains the guilty commit
revision 4ac4677fdb76f644e09a6331bab65919b85f617d crashed and is reachable
testing commit 4b01bec25bef62544228bce06db6a3afa5d3d6bb gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 8c4b7ac66da43d3789551e5c2d03dc7aeac8e2187b763f27fda97b3e8e4a1617
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 4b01bec25bef62544228bce06db6a3afa5d3d6bb
Bisecting: 61 revisions left to test after this (roughly 6 steps)
[9bde7c3b3ad0e1f39d6df93dd1c9caf63e19e50f] Bluetooth: iso: Fix recursive locking warning

determine whether the revision contains the guilty commit
revision 4ac4677fdb76f644e09a6331bab65919b85f617d crashed and is reachable
testing commit 9bde7c3b3ad0e1f39d6df93dd1c9caf63e19e50f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: cfff9d06cf955080bb3723449b614aa630208a77281ea1cd2dd025c3e1a9bb58
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
# git bisect good 9bde7c3b3ad0e1f39d6df93dd1c9caf63e19e50f
Bisecting: 30 revisions left to test after this (roughly 5 steps)
[ad913dfd8bfacdf1d2232fe9f49ccb025885ef22] Merge tag 'for-net-2024-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

determine whether the revision contains the guilty commit
revision 7d7f27be8f67b7b2b3fbf373b7931c4acec284a5 crashed and is reachable
testing commit ad913dfd8bfacdf1d2232fe9f49ccb025885ef22 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 5fff19c870bdea0fd29d17128ed73155f2b2999ce9a84b064316e8d2aa7b38a7
run #0: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc004ab08c0 0xc004ab09b0 0xc004ab0a50] Location: Message:The zone 'projects/syzkaller/zones/us-central1-f' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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
false negative chance: 0.022
# git bisect bad ad913dfd8bfacdf1d2232fe9f49ccb025885ef22
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[77b11c8bf3a228d1c63464534c2dcc8d9c8bf7ff] bonding: Fix feature propagation of NETIF_F_GSO_ENCAP_ALL

determine whether the revision contains the guilty commit
revision 4ac4677fdb76f644e09a6331bab65919b85f617d crashed and is reachable
testing commit 77b11c8bf3a228d1c63464534c2dcc8d9c8bf7ff gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ad40d78c731f93706c5ab9b7071496d6ca5024cdb2367be33523819bf407be26
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: crashed: possible deadlock in ext4_truncate
run #3: crashed: possible deadlock in ext4_truncate
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
# git bisect good 77b11c8bf3a228d1c63464534c2dcc8d9c8bf7ff
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[fb9e6039c325cc205a368046dc03c56c87df2310] net: renesas: rswitch: fix initial MPIC register setting

determine whether the revision contains the guilty commit
revision 4b01bec25bef62544228bce06db6a3afa5d3d6bb crashed and is reachable
testing commit fb9e6039c325cc205a368046dc03c56c87df2310 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 02c21783ee196d414262d8f918960936d049eadb4965159d2a2337a1e76b370c
run #0: crashed: possible deadlock in ext4_truncate
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip fb9e6039c325cc205a368046dc03c56c87df2310
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[168e28305b871d8ec604a8f51f35467b8d7ba05b] Bluetooth: iso: Fix circular lock in iso_listen_bis

determine whether the revision contains the guilty commit
revision 7d7f27be8f67b7b2b3fbf373b7931c4acec284a5 crashed and is reachable
testing commit 168e28305b871d8ec604a8f51f35467b8d7ba05b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d3ff5328b8dfe87d4dd0fa455ba92e69f2515159b8f7bd18909742f057e5f72b
all runs: OK
false negative chance: 0.018
# git bisect bad 168e28305b871d8ec604a8f51f35467b8d7ba05b
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[29a651451e6c264f58cd9d9a26088e579d17b242] Bluetooth: SCO: Add support for 16 bits transparent voice setting

determine whether the revision contains the guilty commit
revision 9910ce9a6bc1a0138c0c0723a83b3b57bbe37f83 crashed and is reachable
testing commit 29a651451e6c264f58cd9d9a26088e579d17b242 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e11f8847794c3ac31b7af92de438f91f4a6ace13fd36e8e53d9d6a1a4d126de6
run #0: crashed: possible deadlock in ext4_truncate
run #1: crashed: possible deadlock in ext4_truncate
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: possible deadlock in ext4_truncate, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 29a651451e6c264f58cd9d9a26088e579d17b242
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
29a651451e6c264f58cd9d9a26088e579d17b242
168e28305b871d8ec604a8f51f35467b8d7ba05b
We cannot bisect more!

accumulated error probability: 0.08
reproducer is flaky (0.18 repro chance estimate)
revisions tested: 32, total time: 10h32m55.192661422s (build: 3h0m54.432492619s, test: 6h27m27.433608659s)
bisection is inconclusive, the first good commit could be any of:
29a651451e6c264f58cd9d9a26088e579d17b242
168e28305b871d8ec604a8f51f35467b8d7ba05b