ci2 starts bisection 2024-05-20 21:54:11.241815535 +0000 UTC m=+251623.777864083 bisecting fixing commit since c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd building syzkaller on 120789fd6691dd038dbe206ceeed95be5c006364 ensuring issue is reproducible on original commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f9533dbb5b283a8f9556486e465585032d540e4cea9bf9c9fb0fd0ec4562ad7 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68dccf621019f9f912aeff60f234bff023447d9c4a8071e44363acd2889a54d8 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3703 full=7263 leaves diff=1979 split chunks (needed=false): <1979> split chunk #0 of len 1979 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5e4f978765b6dd05118048d73db13e67007bcf177c3000bbcb6e48fcbcb3a235 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9547773e31eb44c5041295c2e2c2507959906db3d5084c7713f8575c531e61da all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c903ea2813d3aae579e06e82127dd78673ee57b611a6fdbbaf71af70d182801 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f112dd1dd70a346074c4ef712f682d03681128f2eaa19d85a1b1a46a7afa2500 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8c57d11eedd7ab632d9cc9e69b6955a61c869fabbea78aad006c5fd14ce1eaa6 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] the chunk can be dropped minimized to 396 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS 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_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 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 MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_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_V2_ACL NFSD_V3 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_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_FLOW_TABLE_IPV4 NF_FLOW_TABLE_IPV6 NF_NAT_AMANDA NF_NAT_H323 NF_NAT_PPTP NF_NAT_REDIRECT 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_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 PARTITION_ADVANCED PSAMPLE RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32] disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed determining the merge base between c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd and 70ec81c2e2b4005465ad0d042e90b36087c36104 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: b45fd0d5511115c12e5805ec720b3a89c43de4706d332afd2cbc7c58168c1d54 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] testing current HEAD 70ec81c2e2b4005465ad0d042e90b36087c36104 testing commit 70ec81c2e2b4005465ad0d042e90b36087c36104 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2cac640674faec8ef397cbf2a8bdf74b08d3df643823e2222e7206e09151f42b all runs: OK false negative chance: 0.000 # git bisect start 70ec81c2e2b4005465ad0d042e90b36087c36104 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 116242 revisions left to test after this (roughly 17 steps) [4db692d68256d860c9d35140b1de7324b432082b] Merge tag 'wireless-2023-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 4db692d68256d860c9d35140b1de7324b432082b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97a449c05587a40bcf8eb9f7819dbba64fe82757fdbee25496961b07eff9209c all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good 4db692d68256d860c9d35140b1de7324b432082b Bisecting: 58150 revisions left to test after this (roughly 16 steps) [edd68156bccf1af233576ad847f4b138e8b88040] Merge tag 'wireless-next-2023-10-26' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit edd68156bccf1af233576ad847f4b138e8b88040 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 056b59ffbc5d464a57ff51bc725d0fa93c8207e938e3c5b0046f5a5c28e79b9d all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good edd68156bccf1af233576ad847f4b138e8b88040 Bisecting: 29099 revisions left to test after this (roughly 15 steps) [8cb1bb178cdbdf005b7ac07bb67a1e1f3e365e5a] Merge tag '6.8-rc-smb-server-fixes-part2' of git://git.samba.org/ksmbd determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 8cb1bb178cdbdf005b7ac07bb67a1e1f3e365e5a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5dc108e3b3a385001c9befad4c5e188f433e430013a16eaa41ba4fb8daecdd9a all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good 8cb1bb178cdbdf005b7ac07bb67a1e1f3e365e5a Bisecting: 14557 revisions left to test after this (roughly 14 steps) [741e9d668aa50c91e4f681511ce0e408d55dd7ce] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi determine whether the revision contains the guilty commit revision 4db692d68256d860c9d35140b1de7324b432082b crashed and is reachable testing commit 741e9d668aa50c91e4f681511ce0e408d55dd7ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 29b593a601253ef3ea84af91b9e090ee36c5a8786de8346e080b9c8d78bdd09c all runs: OK false negative chance: 0.000 # git bisect bad 741e9d668aa50c91e4f681511ce0e408d55dd7ce Bisecting: 6136 revisions left to test after this (roughly 13 steps) [9187210eee7d87eea37b45ea93454a88681894a4] Merge tag 'net-next-6.9' 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 9187210eee7d87eea37b45ea93454a88681894a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 687047376c7925f896aa14f1af55940a8ff8114ad80029c2b94db42968a4da4a all runs: OK false negative chance: 0.000 # git bisect bad 9187210eee7d87eea37b45ea93454a88681894a4 Bisecting: 4189 revisions left to test after this (roughly 12 steps) [2edfd1046f555db6456514bc8ffe0847537e54f4] Merge tag 'x86_cache_for_v6.9_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision edd68156bccf1af233576ad847f4b138e8b88040 crashed and is reachable testing commit 2edfd1046f555db6456514bc8ffe0847537e54f4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: deed3bf28116f7a4704e3872bcf4bbf9e83b345a135b22b84405b4b0d87d5f0c all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good 2edfd1046f555db6456514bc8ffe0847537e54f4 Bisecting: 2096 revisions left to test after this (roughly 11 steps) [19cfdc0d57696c92523da8eb26c0f3e092400bee] Merge branch 'hns3-fixes' determine whether the revision contains the guilty commit revision 8cb1bb178cdbdf005b7ac07bb67a1e1f3e365e5a crashed and is reachable testing commit 19cfdc0d57696c92523da8eb26c0f3e092400bee gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae340d676de2307c131b6c39f404d10ec592414fafba092b03073cf0b797db06 all runs: OK false negative chance: 0.000 # git bisect bad 19cfdc0d57696c92523da8eb26c0f3e092400bee Bisecting: 1175 revisions left to test after this (roughly 10 steps) [26f4dac11775a1ca24e2605cb30e828d4dbdea93] netfilter: x_tables: Use unsafe_memcpy() for 0-sized destination determine whether the revision contains the guilty commit revision 4db692d68256d860c9d35140b1de7324b432082b crashed and is reachable testing commit 26f4dac11775a1ca24e2605cb30e828d4dbdea93 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 42dff03b8382e59d56cd51d409c25685223d54d9bac93a52741682767fee8997 all runs: OK false negative chance: 0.000 # git bisect bad 26f4dac11775a1ca24e2605cb30e828d4dbdea93 Bisecting: 458 revisions left to test after this (roughly 9 steps) [20ea9327c2fd545d6b96e998727bcd724290694d] net: dccp: Simplify the allocation of slab caches in dccp_ackvec_init determine whether the revision contains the guilty commit revision 4db692d68256d860c9d35140b1de7324b432082b crashed and is reachable testing commit 20ea9327c2fd545d6b96e998727bcd724290694d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 933a37b98226b3a3d01e6258bc7e4d5db9322a66a452d567185328a92975c55e all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good 20ea9327c2fd545d6b96e998727bcd724290694d Bisecting: 229 revisions left to test after this (roughly 8 steps) [c5cb944ded9475bce2c4197f9c7103eab8c7c3f8] octeon_ep_vf: add VF-PF mailbox communication. determine whether the revision contains the guilty commit revision 20ea9327c2fd545d6b96e998727bcd724290694d crashed and is reachable testing commit c5cb944ded9475bce2c4197f9c7103eab8c7c3f8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e2801dc711cadaf81d2a35d3f39eb6a68df01d2693de4b72ad96669d755b03ae all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good c5cb944ded9475bce2c4197f9c7103eab8c7c3f8 Bisecting: 114 revisions left to test after this (roughly 7 steps) [6a2968ee1ee2cc6fce30f6f5724442b34b1483b3] net: add netdev_set_operstate() helper determine whether the revision contains the guilty commit revision 4db692d68256d860c9d35140b1de7324b432082b crashed and is reachable testing commit 6a2968ee1ee2cc6fce30f6f5724442b34b1483b3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c26c1993fb2eb04adb282340eda398c2f66cfcf82352915a861c5f1ff59d0187 all runs: OK false negative chance: 0.000 # git bisect bad 6a2968ee1ee2cc6fce30f6f5724442b34b1483b3 Bisecting: 57 revisions left to test after this (roughly 6 steps) [57d2d2c8f132c830565058a5cdd8138350e068ec] r8169: support setting the EEE tx idle timer on RTL8168h determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 57d2d2c8f132c830565058a5cdd8138350e068ec gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b1df4dcf67c57c865a6d8fc87c3934c2722496e26bb3592c2d112ef090fcad2 all runs: OK false negative chance: 0.000 # git bisect bad 57d2d2c8f132c830565058a5cdd8138350e068ec Bisecting: 28 revisions left to test after this (roughly 5 steps) [1963e65b3dfee3f42dcb5d40b28764ec9939792c] dt-bindings: net: qcom,ethqos: add binding doc for safety IRQ for sa8775p determine whether the revision contains the guilty commit revision 8cb1bb178cdbdf005b7ac07bb67a1e1f3e365e5a crashed and is reachable testing commit 1963e65b3dfee3f42dcb5d40b28764ec9939792c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6bacc0fa8d8c7688d765b8bab3308e99297829bb3e7efeeac847b59289630f7d all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good 1963e65b3dfee3f42dcb5d40b28764ec9939792c Bisecting: 14 revisions left to test after this (roughly 4 steps) [400909df6e6543cb5cce3db9bbcd413d59125327] r8169: simplify code by using core-provided pcpu stats allocation determine whether the revision contains the guilty commit revision 4db692d68256d860c9d35140b1de7324b432082b crashed and is reachable testing commit 400909df6e6543cb5cce3db9bbcd413d59125327 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 09b76975f5f5c70f3d42210b5ce063b78b7d9abf762fcaa2c0488053e52bb420 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good 400909df6e6543cb5cce3db9bbcd413d59125327 Bisecting: 7 revisions left to test after this (roughly 3 steps) [c74e1039912e63b91e8697796e321d157b44692e] net: bridge: use netdev_lockdep_set_classes() determine whether the revision contains the guilty commit revision 1963e65b3dfee3f42dcb5d40b28764ec9939792c crashed and is reachable testing commit c74e1039912e63b91e8697796e321d157b44692e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8322ae5328f5e44157c10f797e22049c99048675423c920da7899a24988f0559 all runs: crashed: possible deadlock in __dev_queue_xmit representative crash: possible deadlock in __dev_queue_xmit, types: [LOCKDEP] # git bisect good c74e1039912e63b91e8697796e321d157b44692e Bisecting: 3 revisions left to test after this (roughly 2 steps) [f7859a03fba93778594a90d9581f679b3a4ad561] net: fec: Refactor: Replace FEC_ENET_FCE with FEC_RCR_FLOWCTL determine whether the revision contains the guilty commit revision c5cb944ded9475bce2c4197f9c7103eab8c7c3f8 crashed and is reachable testing commit f7859a03fba93778594a90d9581f679b3a4ad561 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0772525dbd2e96880e315c66dc37d6a82518382d23d62670fc6a694c43e8718c all runs: OK false negative chance: 0.000 # git bisect bad f7859a03fba93778594a90d9581f679b3a4ad561 Bisecting: 1 revision left to test after this (roughly 1 step) [65d53afddc5861c4b89d15a5d484ecc893e294d3] Merge branch 'net-adopt-netdev_lockdep_set_classes' determine whether the revision contains the guilty commit revision c74e1039912e63b91e8697796e321d157b44692e crashed and is reachable testing commit 65d53afddc5861c4b89d15a5d484ecc893e294d3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 228a8ebd88123aedc3e891b5875f823a01193c35875fb6f67c9b0f7d3c953221 all runs: OK false negative chance: 0.000 # git bisect bad 65d53afddc5861c4b89d15a5d484ecc893e294d3 Bisecting: 0 revisions left to test after this (roughly 0 steps) [0bef512012b1cd8820f0c9ec80e5f8ceb43fdd59] net: add netdev_lockdep_set_classes() to virtual drivers determine whether the revision contains the guilty commit revision 20ea9327c2fd545d6b96e998727bcd724290694d crashed and is reachable testing commit 0bef512012b1cd8820f0c9ec80e5f8ceb43fdd59 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dec50e6629cf4a3dda8048746effeb4bede46a4dad012fbbce1b768e3af3d58d all runs: OK false negative chance: 0.000 # git bisect bad 0bef512012b1cd8820f0c9ec80e5f8ceb43fdd59 0bef512012b1cd8820f0c9ec80e5f8ceb43fdd59 is the first bad commit commit 0bef512012b1cd8820f0c9ec80e5f8ceb43fdd59 Author: Eric Dumazet Date: Mon Feb 12 14:07:00 2024 +0000 net: add netdev_lockdep_set_classes() to virtual drivers Based on a syzbot report, it appears many virtual drivers do not yet use netdev_lockdep_set_classes(), triggerring lockdep false positives. WARNING: possible recursive locking detected 6.8.0-rc4-next-20240212-syzkaller #0 Not tainted syz-executor.0/19016 is trying to acquire lock: ffff8880162cb298 (_xmit_ETHER#2){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff8880162cb298 (_xmit_ETHER#2){+.-.}-{2:2}, at: __netif_tx_lock include/linux/netdevice.h:4452 [inline] ffff8880162cb298 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x1c4/0x5f0 net/sched/sch_generic.c:340 but task is already holding lock: ffff8880223db4d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff8880223db4d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: __netif_tx_lock include/linux/netdevice.h:4452 [inline] ffff8880223db4d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x1c4/0x5f0 net/sched/sch_generic.c:340 other info that might help us debug this: Possible unsafe locking scenario: CPU0 lock(_xmit_ETHER#2); lock(_xmit_ETHER#2); *** DEADLOCK *** May be due to missing lock nesting notation 9 locks held by syz-executor.0/19016: #0: ffffffff8f385208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f385208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6603 #1: ffffc90000a08c00 ((&in_dev->mr_ifc_timer)){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x600 kernel/time/timer.c:1697 #2: ffffffff8e131520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline] #2: ffffffff8e131520 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline] #2: ffffffff8e131520 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x45f/0x1360 net/ipv4/ip_output.c:228 #3: ffffffff8e131580 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline] #3: ffffffff8e131580 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:802 [inline] #3: ffffffff8e131580 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x2c4/0x3b10 net/core/dev.c:4284 #4: ffff8880416e3258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: spin_trylock include/linux/spinlock.h:361 [inline] #4: ffff8880416e3258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: qdisc_run_begin include/net/sch_generic.h:195 [inline] #4: ffff8880416e3258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_xmit_skb net/core/dev.c:3771 [inline] #4: ffff8880416e3258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_queue_xmit+0x1262/0x3b10 net/core/dev.c:4325 #5: ffff8880223db4d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #5: ffff8880223db4d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: __netif_tx_lock include/linux/netdevice.h:4452 [inline] #5: ffff8880223db4d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x1c4/0x5f0 net/sched/sch_generic.c:340 #6: ffffffff8e131520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline] #6: ffffffff8e131520 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline] #6: ffffffff8e131520 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x45f/0x1360 net/ipv4/ip_output.c:228 #7: ffffffff8e131580 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline] #7: ffffffff8e131580 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:802 [inline] #7: ffffffff8e131580 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x2c4/0x3b10 net/core/dev.c:4284 #8: ffff888014d9d258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: spin_trylock include/linux/spinlock.h:361 [inline] #8: ffff888014d9d258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: qdisc_run_begin include/net/sch_generic.h:195 [inline] #8: ffff888014d9d258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_xmit_skb net/core/dev.c:3771 [inline] #8: ffff888014d9d258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_queue_xmit+0x1262/0x3b10 net/core/dev.c:4325 stack backtrace: CPU: 1 PID: 19016 Comm: syz-executor.0 Not tainted 6.8.0-rc4-next-20240212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 check_deadlock kernel/locking/lockdep.c:3062 [inline] validate_chain+0x15c1/0x58e0 kernel/locking/lockdep.c:3856 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] __netif_tx_lock include/linux/netdevice.h:4452 [inline] sch_direct_xmit+0x1c4/0x5f0 net/sched/sch_generic.c:340 __dev_xmit_skb net/core/dev.c:3784 [inline] __dev_queue_xmit+0x1912/0x3b10 net/core/dev.c:4325 neigh_output include/net/neighbour.h:542 [inline] ip_finish_output2+0xe66/0x1360 net/ipv4/ip_output.c:235 iptunnel_xmit+0x540/0x9b0 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x20ee/0x2960 net/ipv4/ip_tunnel.c:831 erspan_xmit+0x9de/0x1460 net/ipv4/ip_gre.c:720 __netdev_start_xmit include/linux/netdevice.h:4989 [inline] netdev_start_xmit include/linux/netdevice.h:5003 [inline] xmit_one net/core/dev.c:3555 [inline] dev_hard_start_xmit+0x242/0x770 net/core/dev.c:3571 sch_direct_xmit+0x2b6/0x5f0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3784 [inline] __dev_queue_xmit+0x1912/0x3b10 net/core/dev.c:4325 neigh_output include/net/neighbour.h:542 [inline] ip_finish_output2+0xe66/0x1360 net/ipv4/ip_output.c:235 igmpv3_send_cr net/ipv4/igmp.c:723 [inline] igmp_ifc_timer_expire+0xb71/0xd90 net/ipv4/igmp.c:813 call_timer_fn+0x17e/0x600 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x621/0x830 kernel/time/timer.c:2038 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2051 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1076 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:resched_offsets_ok kernel/sched/core.c:10127 [inline] RIP: 0010:__might_resched+0x16f/0x780 kernel/sched/core.c:10142 Code: 00 4c 89 e8 48 c1 e8 03 48 ba 00 00 00 00 00 fc ff df 48 89 44 24 38 0f b6 04 10 84 c0 0f 85 87 04 00 00 41 8b 45 00 c1 e0 08 <01> d8 44 39 e0 0f 85 d6 00 00 00 44 89 64 24 1c 48 8d bc 24 a0 00 RSP: 0018:ffffc9000ee069e0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8880296a9e00 RDX: dffffc0000000000 RSI: ffff8880296a9e00 RDI: ffffffff8bfe8fa0 RBP: ffffc9000ee06b00 R08: ffffffff82326877 R09: 1ffff11002b5ad1b R10: dffffc0000000000 R11: ffffed1002b5ad1c R12: 0000000000000000 R13: ffff8880296aa23c R14: 000000000000062a R15: 1ffff92001dc0d44 down_write+0x19/0x50 kernel/locking/rwsem.c:1578 kernfs_activate fs/kernfs/dir.c:1403 [inline] kernfs_add_one+0x4af/0x8b0 fs/kernfs/dir.c:819 __kernfs_create_file+0x22e/0x2e0 fs/kernfs/file.c:1056 sysfs_add_file_mode_ns+0x24a/0x310 fs/sysfs/file.c:307 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x4f4/0xf20 fs/sysfs/group.c:152 internal_create_groups fs/sysfs/group.c:192 [inline] sysfs_create_groups+0x56/0x120 fs/sysfs/group.c:218 create_dir lib/kobject.c:78 [inline] kobject_add_internal+0x472/0x8d0 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_init_and_add+0x124/0x190 lib/kobject.c:457 netdev_queue_add_kobject net/core/net-sysfs.c:1706 [inline] netdev_queue_update_kobjects+0x1f3/0x480 net/core/net-sysfs.c:1758 register_queue_kobjects net/core/net-sysfs.c:1819 [inline] netdev_register_kobject+0x265/0x310 net/core/net-sysfs.c:2059 register_netdevice+0x1191/0x19c0 net/core/dev.c:10298 bond_newlink+0x3b/0x90 drivers/net/bonding/bond_netlink.c:576 rtnl_newlink_create net/core/rtnetlink.c:3506 [inline] __rtnl_newlink net/core/rtnetlink.c:3726 [inline] rtnl_newlink+0x158f/0x20a0 net/core/rtnetlink.c:3739 rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6606 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367 netlink_sendmsg+0xa3c/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2199 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fc3fa87fa9c Reported-by: syzbot Signed-off-by: Eric Dumazet Link: https://lore.kernel.org/r/20240212140700.2795436-4-edumazet@google.com Signed-off-by: Jakub Kicinski drivers/net/dummy.c | 1 + drivers/net/geneve.c | 1 + drivers/net/loopback.c | 1 + drivers/net/veth.c | 1 + drivers/net/vxlan/vxlan_core.c | 1 + net/ipv4/ip_tunnel.c | 1 + net/ipv6/ip6_gre.c | 2 ++ net/ipv6/ip6_tunnel.c | 1 + net/ipv6/ip6_vti.c | 1 + net/ipv6/sit.c | 1 + 10 files changed, 11 insertions(+) accumulated error probability: 0.00 culprit signature: dec50e6629cf4a3dda8048746effeb4bede46a4dad012fbbce1b768e3af3d58d parent signature: 8322ae5328f5e44157c10f797e22049c99048675423c920da7899a24988f0559 revisions tested: 27, total time: 5h20m19.842316299s (build: 2h5m52.948829072s, test: 3h4m27.888795466s) first good commit: 0bef512012b1cd8820f0c9ec80e5f8ceb43fdd59 net: add netdev_lockdep_set_classes() to virtual drivers recipients (to): ["edumazet@google.com" "kuba@kernel.org"] recipients (cc): []