ci2 starts bisection 2025-09-26 07:12:23.124180973 +0000 UTC m=+182108.779044660 bisecting fixing commit since 0bc96de781b4da716c8dbd248af4b26d8d8341f5 building syzkaller on 35d9ecc508aef508b67ee7986a7abb0864e74f8e ensuring issue is reproducible on original commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 48fbab0a62c4eb990104ac28e4de326cb76b33f510d8fc186b09bbbc5fc9604e all runs: crashed: BUG: MAX_LOCKDEP_CHAINS too low! representative crash: BUG: MAX_LOCKDEP_CHAINS too low!, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 20acc7aa0184139b6accc1381eaa29ce4908cc4f760c4f37d4da11443a3f6279 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed kconfig minimization: base=7505 full=9692 leaves diff=1938 split chunks (needed=false): <1938> split chunk #0 of len 1938 into 5 parts testing without sub-chunk 1/5 disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 21081d6c6613b46aa7f4389add47e7e4d9446e68bcd249774f673efed576a0a8 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b405745726e587192d668923544ef222807b4f3a51020cb2ef62dc5d33c967a7 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 57c135aeb3c3817d5983127b8385bbfd145d58f03854e242a04a58cdc3ccc64d all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d26f91c417ce44d8b1c5e6b2f4ce7e89c78a1ffc06780cd4ae49126f622ac92e all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 0bc96de781b4da716c8dbd248af4b26d8d8341f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 852789b53718419cc5aef9c0135d3b4fb62fc8e6ba65ad7a7494217b91de6b53 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] the chunk can be dropped minimized to 388 configs; suspects: [AX25 CFG80211 DRM DRM_NOUVEAU FSCACHE FSL_IFC HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_ADVANCED_ROUTER IP_MULTIPLE_TABLES IP_NF_RAW IP_SET ISDN KEY_DH_OPERATIONS KEY_NOTIFICATIONS L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LD_IS_BFD LEDS_TRIGGER_AUDIO LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_FF 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 MAC_PARTITION MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_CONTROLLER_DVB MEDIA_RADIO_SUPPORT MEDIA_TUNER_MSI001 MEMORY_HOTPLUG_DEFAULT_ONLINE MEMSTICK MEMSTICK_REALTEK_USB MHI_WWAN_CTRL MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_INFINIBAND MMC_REALTEK_USB MMC_USHC MMC_VUB300 MODULE_FORCE_UNLOAD 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_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 MSDOS_FS MTD_BLOCK2MTD MTD_MTDRAM MTD_NAND_FSL_IFC MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY NETCONSOLE NETDEVSIM NETFILTER_FAMILY_ARP NETFILTER_NETLINK NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_LOG 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_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_POLICY 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_STATE 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_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CONNSECMARK 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_NFLOG NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_SECMARK NETFILTER_XT_TARGET_TCPMSS NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETPOLL NETROM NETWORK_SECMARK NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO 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_BPF NET_CLS_CGROUP NET_CLS_FLOW NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH 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_POLL_CONTROLLER NET_REDIRECT NET_SCH_ATM NET_SCH_CAKE NET_SCH_CBQ NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_DSMARK 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_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_TBF NET_SCH_TEQL 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_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB 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_V2_ACL NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_ACL_SUPPORT NFS_FSCACHE NFS_V3_ACL NFS_V4_2_READ_PLUS 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_H323 NF_CONNTRACK_IRC NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SECMARK NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_GRE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_LOG_ARP NF_NAT_AMANDA NF_NAT_FTP NF_NAT_H323 NF_NAT_IRC NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SIP NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_ASCII NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UTF8 NOUVEAU_LEGACY_CTX_SUPPORT NOUVEAU_PLATFORM_DRIVER NOZOMI NO_HZ NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC PARTITION_ADVANCED PSAMPLE RFKILL SERIAL_NONSTANDARD WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 XFRM] disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed determining the merge base between 0bc96de781b4da716c8dbd248af4b26d8d8341f5 and 4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6a2ac606f8e59ebb95d282d68c833732588cc079020f32609383a1fa3aa4ea08 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] testing current HEAD 4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4 testing commit 4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 310fe526f543e2ae0c3e4c6398276a8d712b87821c81d55a063493a83571b17a run #0: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2608638543" "root@10.128.1.219:./syz-executor2608638543"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.219, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.219 [10.128.1.219] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.1.219 port 22 timed out scp: Connection closed 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 false negative chance: 0.000 # git bisect start 4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 122446 revisions left to test after this (roughly 17 steps) [32a50540c3d26341698505998dfca5b0e8fb4fd4] Merge tag 'bcachefs-2024-03-13' of https://evilpiepirate.org/git/bcachefs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 32a50540c3d26341698505998dfca5b0e8fb4fd4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e9e9c214d3660b4dca7d3cdf6ec7b07bcfa9275f41d6ac1d5dc6dcfa9254f9d6 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 32a50540c3d26341698505998dfca5b0e8fb4fd4 Bisecting: 61263 revisions left to test after this (roughly 16 steps) [a0c1ca3934ddffe4f3f2a2bd860283a7b0ca5439] Merge tag 'staging-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging determine whether the revision contains the guilty commit revision 32a50540c3d26341698505998dfca5b0e8fb4fd4 crashed and is reachable testing commit a0c1ca3934ddffe4f3f2a2bd860283a7b0ca5439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 582d5fced4fe4214cf015404e1e817db364aa31fe1c25ed6be033e1480bc165a all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good a0c1ca3934ddffe4f3f2a2bd860283a7b0ca5439 Bisecting: 30657 revisions left to test after this (roughly 15 steps) [08906eacce1366484923158d6b15f8253e5c628a] Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 08906eacce1366484923158d6b15f8253e5c628a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 481b04a327f5a6ce9b6560882609e212e6531a7eeb632b4b0506cb69e83734a3 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 08906eacce1366484923158d6b15f8253e5c628a Bisecting: 15339 revisions left to test after this (roughly 14 steps) [d32e907d15f7257f69d38b4c829f87a79ecf8b7f] Merge tag 'xfs-fixes-6.16-rc5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit d32e907d15f7257f69d38b4c829f87a79ecf8b7f gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4c47a1307553313cca6c6a0dbb87fa05a2d0a9f1757fa4beb32f469fc10d4382 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good d32e907d15f7257f69d38b4c829f87a79ecf8b7f Bisecting: 7669 revisions left to test after this (roughly 13 steps) [830118b6390a1e4b3057c9e400da37f9408bd67d] Merge branch 'net-ethernet-fix-device-leaks' determine whether the revision contains the guilty commit revision 32a50540c3d26341698505998dfca5b0e8fb4fd4 crashed and is reachable testing commit 830118b6390a1e4b3057c9e400da37f9408bd67d gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 743f7d14352d0d2508fe1dca675dcf1ccdce46b7ed2946cc749ca14a80f7685f run #0: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2224395660" "root@10.128.1.96:./syz-executor2224395660"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.96, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.96 [10.128.1.96] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.1.96 port 22 timed out scp: Connection closed run #1: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor177123131" "root@10.128.1.212:./syz-executor177123131"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.212, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.212 [10.128.1.212] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.1.212 port 22 timed out scp: Connection closed run #2: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2640035876" "root@10.128.1.100:./syz-executor2640035876"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.100, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.100 [10.128.1.100] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.1.100 port 22 timed out scp: Connection closed run #3: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3876946801" "root@10.128.10.14:./syz-executor3876946801"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.14, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.14 [10.128.10.14] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.10.14 port 22 timed out scp: Connection closed run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4194387679" "root@10.128.10.21:./syz-executor4194387679"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.21, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.21 [10.128.10.21] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.10.21 port 22 timed out scp: Connection closed run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor510025145" "root@10.128.10.17:./syz-executor510025145"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.17, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.17 [10.128.10.17] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.10.17 port 22 timed out scp: Connection closed run #6: OK run #7: OK run #8: OK run #9: OK unable to determine the verdict: 4 good runs (wanted 5), for bad wanted 5 in total, got 4 # git bisect skip 830118b6390a1e4b3057c9e400da37f9408bd67d Bisecting: 7669 revisions left to test after this (roughly 13 steps) [508c1314b342b78591f51c4b5dadee31a88335df] io_uring/futex: ensure io_futex_wait() cleans up properly on failure determine whether the revision contains the guilty commit revision d32e907d15f7257f69d38b4c829f87a79ecf8b7f crashed and is reachable testing commit 508c1314b342b78591f51c4b5dadee31a88335df gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bb426e91564ff16edd2f28844caed2cc0666b35e2fa43b1b416572e988cfa222 all runs: OK false negative chance: 0.000 # git bisect bad 508c1314b342b78591f51c4b5dadee31a88335df Bisecting: 5940 revisions left to test after this (roughly 13 steps) [8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf] Merge tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ddde1e37abb74da9cd73b4c2d6887c0d466c6aaf77f2f568c1c17cc43c35086a all runs: OK false negative chance: 0.000 # git bisect bad 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf Bisecting: 3697 revisions left to test after this (roughly 12 steps) [4eee1520ea845a6d6d82e85498d9412419560871] Merge tag 'usb-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 4eee1520ea845a6d6d82e85498d9412419560871 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e73bb97ee2042b2ef0b75b68ea22ecc6e7b58d5ea737c8edd6458bd07e039a7e all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 4eee1520ea845a6d6d82e85498d9412419560871 Bisecting: 1844 revisions left to test after this (roughly 11 steps) [e9e91870ac21ad7941774b62e2b9af2658dc503c] Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue determine whether the revision contains the guilty commit revision 32a50540c3d26341698505998dfca5b0e8fb4fd4 crashed and is reachable testing commit e9e91870ac21ad7941774b62e2b9af2658dc503c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3bcf889b38c7afa697a3f95f66b4001836e010b77f813cb9df4fc82d00dae916 all runs: OK false negative chance: 0.000 # git bisect bad e9e91870ac21ad7941774b62e2b9af2658dc503c Bisecting: 925 revisions left to test after this (roughly 10 steps) [984462751d57047828ff4a799cc7d4670a2cfeb2] wifi: mac80211: remove DISALLOW_PUNCTURING_5GHZ code determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 984462751d57047828ff4a799cc7d4670a2cfeb2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 35b2b20e418bcaae1d077c8d28e9d19265767c89c5c8b05ba9943f7ec1f6e938 run #0: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1807843792" "root@10.128.10.26:./syz-executor1807843792"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.26, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.26 [10.128.10.26] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u7 Connection timed out during banner exchange Connection to 10.128.10.26 port 22 timed out scp: Connection closed 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 false negative chance: 0.000 # git bisect bad 984462751d57047828ff4a799cc7d4670a2cfeb2 Bisecting: 463 revisions left to test after this (roughly 9 steps) [091d019adce033118776ef93b50a268f715ae8f6] net/smc: remove unused function smc_lo_supports_v2 determine whether the revision contains the guilty commit revision 08906eacce1366484923158d6b15f8253e5c628a crashed and is reachable testing commit 091d019adce033118776ef93b50a268f715ae8f6 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 14284f340e70b88030f2cc12dde1b7e1efae036465de22a6a511bf000591c5a7 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 091d019adce033118776ef93b50a268f715ae8f6 Bisecting: 231 revisions left to test after this (roughly 8 steps) [963781bdfe2007e062e05b6b8a263ae9340bd523] net: ethtool: call .parse_request for SET handlers determine whether the revision contains the guilty commit revision 091d019adce033118776ef93b50a268f715ae8f6 crashed and is reachable testing commit 963781bdfe2007e062e05b6b8a263ae9340bd523 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c6f4f2d2281a8e1d0428e8a374a7abf30a53b4364f48f60668385dd8ad36eb07 all runs: OK false negative chance: 0.000 # git bisect bad 963781bdfe2007e062e05b6b8a263ae9340bd523 Bisecting: 111 revisions left to test after this (roughly 7 steps) [5582cbdf7bb5d048414967b902553d70d93694a0] Merge tag 'rtw-next-2025-06-25' of https://github.com/pkshih/rtw determine whether the revision contains the guilty commit revision 32a50540c3d26341698505998dfca5b0e8fb4fd4 crashed and is reachable testing commit 5582cbdf7bb5d048414967b902553d70d93694a0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 222fb3fd4a22755762bc0380c88ae488705083900d3f81be553052de14f05989 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 5582cbdf7bb5d048414967b902553d70d93694a0 Bisecting: 57 revisions left to test after this (roughly 6 steps) [c73ebc0dbb6ed968cb58d04d82ede3b5fb95e8bf] Merge tag 'iwlwifi-next-2025-06-25' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next determine whether the revision contains the guilty commit revision 32a50540c3d26341698505998dfca5b0e8fb4fd4 crashed and is reachable testing commit c73ebc0dbb6ed968cb58d04d82ede3b5fb95e8bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e104f29f80e62105f7a3082e0f0567c2e6ea893eea4e91fd4532f504d26b47a2 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good c73ebc0dbb6ed968cb58d04d82ede3b5fb95e8bf Bisecting: 28 revisions left to test after this (roughly 5 steps) [cccfe0982208c72e116462e5431919c88505e890] page_pool: import Jesper's page_pool benchmark determine whether the revision contains the guilty commit revision 091d019adce033118776ef93b50a268f715ae8f6 crashed and is reachable testing commit cccfe0982208c72e116462e5431919c88505e890 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 95f93552ec9309cf29da6ab4e51b6baf683abbcba7e3650bdc8500cff4fbed87 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good cccfe0982208c72e116462e5431919c88505e890 Bisecting: 14 revisions left to test after this (roughly 4 steps) [7eebd219feda99df8292a97faff895a5da8159d6] pppoe: drop PACKET_OTHERHOST before skb_share_check() determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 7eebd219feda99df8292a97faff895a5da8159d6 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: feccc340b1f11f9e5ede171ddab7e0416ca03c29f4e1382e5f485d9ad40ea4d0 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 7eebd219feda99df8292a97faff895a5da8159d6 Bisecting: 7 revisions left to test after this (roughly 3 steps) [169d07e7e41cd64208c31b6ead93c8045304f448] net: hns3: clear hns alarm: comparison of integer expressions of different signedness determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 169d07e7e41cd64208c31b6ead93c8045304f448 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9acd5b4422f9d6dbc0721aad8f4d77818749db7e69290ab58a726aece864940f all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good 169d07e7e41cd64208c31b6ead93c8045304f448 Bisecting: 3 revisions left to test after this (roughly 2 steps) [ab4eb6a25de2a20c6d1d7244f8e9ad7a06cde1b0] Merge tag 'wireless-next-2025-06-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next determine whether the revision contains the guilty commit revision 08906eacce1366484923158d6b15f8253e5c628a crashed and is reachable testing commit ab4eb6a25de2a20c6d1d7244f8e9ad7a06cde1b0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9fb41f468c083531629e566c80e009efccc47c03464870b5faf5c0be6b361e8b all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] # git bisect good ab4eb6a25de2a20c6d1d7244f8e9ad7a06cde1b0 Bisecting: 1 revision left to test after this (roughly 1 step) [826334359eacc1b70e9752ebc4954ed775dd40ca] netlink: specs: add the multicast group name to spec determine whether the revision contains the guilty commit revision 091d019adce033118776ef93b50a268f715ae8f6 crashed and is reachable testing commit 826334359eacc1b70e9752ebc4954ed775dd40ca gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: a9c9b50fe46cda331eb7db56c56a9fabf3cfd66eafde1dda1a603b81e0850e26 all runs: OK false negative chance: 0.000 # git bisect bad 826334359eacc1b70e9752ebc4954ed775dd40ca Bisecting: 0 revisions left to test after this (roughly 0 steps) [bfb4fb77f9a8ce33ce357224569eae5564eec573] team: replace team lock with rtnl lock determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit bfb4fb77f9a8ce33ce357224569eae5564eec573 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 50290994f565908e221c966e02c9b8a063f822d8c3d76036069f0180735b1bf2 all runs: OK false negative chance: 0.000 # git bisect bad bfb4fb77f9a8ce33ce357224569eae5564eec573 bfb4fb77f9a8ce33ce357224569eae5564eec573 is the first bad commit commit bfb4fb77f9a8ce33ce357224569eae5564eec573 Author: Stanislav Fomichev Date: Mon Jun 23 08:31:47 2025 -0700 team: replace team lock with rtnl lock syszbot reports various ordering issues for lower instance locks and team lock. Switch to using rtnl lock for protecting team device, similar to bonding. Based on the patch by Tetsuo Handa. Cc: Jiri Pirko Cc: Tetsuo Handa Reported-by: syzbot+705c61d60b091ef42c04@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=705c61d60b091ef42c04 Reported-by: syzbot+71fd22ae4b81631e22fd@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=71fd22ae4b81631e22fd Fixes: 6b1d3c5f675c ("team: grab team lock during team_change_rx_flags") Link: https://lkml.kernel.org/r/ZoZ2RH9BcahEB9Sb@nanopsycho.orion Signed-off-by: Stanislav Fomichev Link: https://patch.msgid.link/20250623153147.3413631-1-sdf@fomichev.me Signed-off-by: Jakub Kicinski drivers/net/team/team_core.c | 96 ++++++++++++++----------------- drivers/net/team/team_mode_activebackup.c | 3 +- drivers/net/team/team_mode_loadbalance.c | 13 ++--- include/linux/if_team.h | 3 - 4 files changed, 50 insertions(+), 65 deletions(-) accumulated error probability: 0.00 culprit signature: 50290994f565908e221c966e02c9b8a063f822d8c3d76036069f0180735b1bf2 parent signature: 9fb41f468c083531629e566c80e009efccc47c03464870b5faf5c0be6b361e8b revisions tested: 29, total time: 7h3m0.390777306s (build: 3h21m53.293371523s, test: 3h10m2.05092084s) first good commit: bfb4fb77f9a8ce33ce357224569eae5564eec573 team: replace team lock with rtnl lock recipients (to): ["kuba@kernel.org" "sdf@fomichev.me"] recipients (cc): []