ci starts bisection 2024-09-11 12:53:44.773756237 +0000 UTC m=+18594.185440573 bisecting cause commit starting from a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 building syzkaller on 784df80e01554d5cd451f0b4e23171297863e115 ensuring issue is reproducible on original commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 47bde9909edcaa715ce705a519c0fac54260da2bd50debe4cc954697629565bc all runs: crashed: general protection fault in ethnl_phy_doit representative crash: general protection fault in ethnl_phy_doit, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7db95868aebfb8b0aa5a965425b43fa0a6aec9a587dae83a6c5b5b4170ef1c6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=4045 full=8138 leaves diff=2106 split chunks (needed=false): <2106> split chunk #0 of len 2106 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66d69b24d21104072634a157d139f4d98fee6fa37459765c1f9161e41e5089a1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f87843b305ffd4a32494cd9119aa9acaca30005a17795141ccfacbc95633248a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 31219ba21397cdb8da71605c41cde6b20b2325e7a4666c37d55cb538182c2c26 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3bb17b8fa6160eba074c53cd81a2f6b4d57fae528275d0404dc7686d5d3a1aff all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e944e5e480e23fc245026aea2f22145f005069165be6ae606e28c4b2538b9344 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] the chunk can be dropped minimized to 422 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE HAMRADIO HID_NINTENDO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_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_COMMON KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRE_FAULT_MEMORY KVM_GENERIC_PRIVATE_MEM KVM_HYPERV KVM_MMIO KVM_PRIVATE_MEM KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MDIO_MVUSB MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MODULE_COMPRESS_NONE 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_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF NLMON 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 PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed picked [v6.10 v6.9 v6.8 v6.6 v6.4 v6.2 v6.0 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 33 release tags testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73ad583f9dc86dca5fbe95e2613378173545bf35315ac4d8e459ca58a38300d8 all runs: OK false negative chance: 0.000 # git bisect start a9b1fab3b69f163bbe7a012d0c3f6b5204500c05 0c3836482481200ead7b416ca80c68a29cfdaabd Bisecting: 7795 revisions left to test after this (roughly 13 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77f3c34d995f3031bdc3d264d67466195a280560d1653a48f525b4140c31cf16 all runs: OK false negative chance: 0.000 # git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 3896 revisions left to test after this (roughly 12 steps) [a362ade892e3e4de69296cddb1a23a1efe701428] Merge tag 'loongarch-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson testing commit a362ade892e3e4de69296cddb1a23a1efe701428 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 39777661415e49506ddb09d43e7f7433415e251163f74a0628efeca9d1962a86 all runs: OK false negative chance: 0.000 # git bisect good a362ade892e3e4de69296cddb1a23a1efe701428 Bisecting: 1955 revisions left to test after this (roughly 11 steps) [e5fa841af679cb830da6c609c740a37bdc0b8b35] Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs testing commit e5fa841af679cb830da6c609c740a37bdc0b8b35 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac6700e6669b9f2f4d26fafd282601c64347705d768ed11f2abc5e47a6b29dc3 all runs: OK false negative chance: 0.000 # git bisect good e5fa841af679cb830da6c609c740a37bdc0b8b35 Bisecting: 1056 revisions left to test after this (roughly 10 steps) [d759ee240d3c0c4a19f4d984eb21c36da76bc6ce] Merge tag 'net-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit d759ee240d3c0c4a19f4d984eb21c36da76bc6ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a0521e8db551b8d92fc0a9cdbdd4a024811d2ac7d587bfd53230185c3063aa6 all runs: OK false negative chance: 0.000 # git bisect good d759ee240d3c0c4a19f4d984eb21c36da76bc6ce Bisecting: 528 revisions left to test after this (roughly 9 steps) [2e25147a6560b684917d7f7142422c9901badfdd] net: dm9051: fix module autoloading testing commit 2e25147a6560b684917d7f7142422c9901badfdd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 65e4f44b8b0fc8e13e88bd7f841b07e9b0959fcba962905de7643658ea546394 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] # git bisect bad 2e25147a6560b684917d7f7142422c9901badfdd Bisecting: 263 revisions left to test after this (roughly 8 steps) [2c9c2a3d1aeb1c1c598dcb9a75daf4f2247f9007] Merge branch 'net-netconsole-fix-netconsole-unsafe-locking' testing commit 2c9c2a3d1aeb1c1c598dcb9a75daf4f2247f9007 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e8f847b58a04bf40cdff3f8fa6c014c4a33374b4fb4a26ae9bd0d9aabfbb3e1 all runs: OK false negative chance: 0.000 # git bisect good 2c9c2a3d1aeb1c1c598dcb9a75daf4f2247f9007 Bisecting: 131 revisions left to test after this (roughly 7 steps) [338385e059c5d299556fa341d10601ae72c6e932] netfilter: nft_fib: Unmask upper DSCP bits testing commit 338385e059c5d299556fa341d10601ae72c6e932 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fadee2864bea7de98d516cbb1afc1877918041476205324e958ca96c0ae2d892 all runs: OK false negative chance: 0.000 # git bisect good 338385e059c5d299556fa341d10601ae72c6e932 Bisecting: 65 revisions left to test after this (roughly 6 steps) [b494b1673889c95ead43fb6978687fb61bb042d5] net: netconsole: selftests: Create a new netconsole selftest testing commit b494b1673889c95ead43fb6978687fb61bb042d5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d92ecd7d6eb126b475afa79681f275264525362a951fae276a2fdf789abd6ea7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] # git bisect bad b494b1673889c95ead43fb6978687fb61bb042d5 Bisecting: 32 revisions left to test after this (roughly 5 steps) [fb8e83cf443a98297cd15b58b5529f8d259b22f5] net: mpls: delete redundant judgment statements testing commit fb8e83cf443a98297cd15b58b5529f8d259b22f5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4650d6b3d5b02b0c6f480860a3f1e3cca2ca1827ffd9111b918a1b7d589c7e66 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] # git bisect bad fb8e83cf443a98297cd15b58b5529f8d259b22f5 Bisecting: 16 revisions left to test after this (roughly 4 steps) [17194be4c8e1e82d8b484e58cdcb495c0714d1fd] net: ethtool: Introduce a command to list PHYs on an interface testing commit 17194be4c8e1e82d8b484e58cdcb495c0714d1fd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 99aec2d289183ca8507b717a87fcae33f477a816b63631de7d0045df25f1dff7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit representative crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit, types: [UNKNOWN] # git bisect bad 17194be4c8e1e82d8b484e58cdcb495c0714d1fd Bisecting: 7 revisions left to test after this (roughly 3 steps) [bfc52deef5ed58d92cfbe68dbceee3102617a8df] Merge branch 'unmask-upper-dscp-bits-part-1' testing commit bfc52deef5ed58d92cfbe68dbceee3102617a8df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2882dafc64545d5d0593b4aa2afa647171ca1dc1825e7d6ca0d83e2bf688b7f8 all runs: OK false negative chance: 0.000 # git bisect good bfc52deef5ed58d92cfbe68dbceee3102617a8df Bisecting: 3 revisions left to test after this (roughly 2 steps) [b2db6f4ace72e71fa09b8d1354f8ac9854140d74] net: phy: add helpers to handle sfp phy connect/disconnect testing commit b2db6f4ace72e71fa09b8d1354f8ac9854140d74 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8225a1cbeb202afd4934e84930525e7b5a5311ef945e03b76d039f03e8d89745 all runs: OK false negative chance: 0.000 # git bisect good b2db6f4ace72e71fa09b8d1354f8ac9854140d74 Bisecting: 1 revision left to test after this (roughly 1 step) [c15e065b46dc4e19837275b826c1960d55564abd] net: ethtool: Allow passing a phy index for some commands testing commit c15e065b46dc4e19837275b826c1960d55564abd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 436c5abd81e70c99a1c2069855ac3dfef0a4739999647e47915113f37cf71c95 all runs: OK false negative chance: 0.000 # git bisect good c15e065b46dc4e19837275b826c1960d55564abd Bisecting: 0 revisions left to test after this (roughly 0 steps) [9af0e89d6c2433afd3e5e7cc52c7592ef23526c0] netlink: specs: add phy-index as a header parameter testing commit 9af0e89d6c2433afd3e5e7cc52c7592ef23526c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a2784ae556365120d96ab33eb50aa371d5c99bc5e95f6fa85ffdf21e3549172 all runs: OK false negative chance: 0.000 # git bisect good 9af0e89d6c2433afd3e5e7cc52c7592ef23526c0 17194be4c8e1e82d8b484e58cdcb495c0714d1fd is the first bad commit commit 17194be4c8e1e82d8b484e58cdcb495c0714d1fd Author: Maxime Chevallier Date: Wed Aug 21 17:10:01 2024 +0200 net: ethtool: Introduce a command to list PHYs on an interface As we have the ability to track the PHYs connected to a net_device through the link_topology, we can expose this list to userspace. This allows userspace to use these identifiers for phy-specific commands and take the decision of which PHY to target by knowing the link topology. Add PHY_GET and PHY_DUMP, which can be a filtered DUMP operation to list devices on only one interface. Signed-off-by: Maxime Chevallier Reviewed-by: Christophe Leroy Tested-by: Christophe Leroy Signed-off-by: David S. Miller Documentation/networking/ethtool-netlink.rst | 41 ++++ include/uapi/linux/ethtool_netlink.h | 19 ++ net/ethtool/Makefile | 3 +- net/ethtool/netlink.c | 9 + net/ethtool/netlink.h | 5 + net/ethtool/phy.c | 308 +++++++++++++++++++++++++++ 6 files changed, 384 insertions(+), 1 deletion(-) create mode 100644 net/ethtool/phy.c accumulated error probability: 0.00 culprit signature: 99aec2d289183ca8507b717a87fcae33f477a816b63631de7d0045df25f1dff7 parent signature: 9a2784ae556365120d96ab33eb50aa371d5c99bc5e95f6fa85ffdf21e3549172 revisions tested: 22, total time: 8h2m44.598320125s (build: 5h19m58.312162179s, test: 2h27m38.983350498s) first bad commit: 17194be4c8e1e82d8b484e58cdcb495c0714d1fd net: ethtool: Introduce a command to list PHYs on an interface recipients (to): ["christophe.leroy@csgroup.eu" "davem@davemloft.net" "maxime.chevallier@bootlin.com"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in ethnl_phy_doit BUG: kernel NULL pointer dereference, address: 0000000000000018 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 800000011e4fc067 P4D 800000011e4fc067 PUD 11f11f067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 4839 Comm: syz.0.15 Not tainted 6.11.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:ethnl_phy_doit+0x10e/0x370 net/ethtool/phy.c:167 Code: b3 e0 04 00 00 4c 89 ff e8 1f fc 74 00 48 89 44 24 20 eb 0f e8 53 81 c1 fe e9 26 01 00 00 e8 49 81 c1 fe 31 db 48 8b 44 24 20 <4c> 8b 60 18 4d 85 e4 74 33 e8 94 1d e9 ff 49 8b 9c 24 d0 04 00 00 RSP: 0018:ffffc90001de3928 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88811f688000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88811e53ea90 R08: ffffffff82728822 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888105fe4a00 R13: 0000000000000000 R14: ffffc90001de39f8 R15: 0000000000000000 FS: 00007f5967f696c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000011d442000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x51f/0x5c0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0xe8/0x1c0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x488/0x550 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x4e1/0x5c0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xca/0xf0 net/socket.c:745 ____sys_sendmsg+0x26e/0x360 net/socket.c:2597 ___sys_sendmsg+0x2f0/0x330 net/socket.c:2651 __sys_sendmsg net/socket.c:2680 [inline] __do_sys_sendmsg net/socket.c:2689 [inline] __se_sys_sendmsg+0x145/0x1c0 net/socket.c:2687 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f59684edef9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5967f69038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f59686a5f80 RCX: 00007f59684edef9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00007f59685609f6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f59686a5f80 R15: 00007ffd75092738 Modules linked in: CR2: 0000000000000018 ---[ end trace 0000000000000000 ]--- RIP: 0010:ethnl_phy_doit+0x10e/0x370 net/ethtool/phy.c:167 Code: b3 e0 04 00 00 4c 89 ff e8 1f fc 74 00 48 89 44 24 20 eb 0f e8 53 81 c1 fe e9 26 01 00 00 e8 49 81 c1 fe 31 db 48 8b 44 24 20 <4c> 8b 60 18 4d 85 e4 74 33 e8 94 1d e9 ff 49 8b 9c 24 d0 04 00 00 RSP: 0018:ffffc90001de3928 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88811f688000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88811e53ea90 R08: ffffffff82728822 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888105fe4a00 R13: 0000000000000000 R14: ffffc90001de39f8 R15: 0000000000000000 FS: 00007f5967f696c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000011d442000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b3 e0 mov $0xe0,%bl 2: 04 00 add $0x0,%al 4: 00 4c 89 ff add %cl,-0x1(%rcx,%rcx,4) 8: e8 1f fc 74 00 call 0x74fc2c d: 48 89 44 24 20 mov %rax,0x20(%rsp) 12: eb 0f jmp 0x23 14: e8 53 81 c1 fe call 0xfec1816c 19: e9 26 01 00 00 jmp 0x144 1e: e8 49 81 c1 fe call 0xfec1816c 23: 31 db xor %ebx,%ebx 25: 48 8b 44 24 20 mov 0x20(%rsp),%rax * 2a: 4c 8b 60 18 mov 0x18(%rax),%r12 <-- trapping instruction 2e: 4d 85 e4 test %r12,%r12 31: 74 33 je 0x66 33: e8 94 1d e9 ff call 0xffe91dcc 38: 49 8b 9c 24 d0 04 00 mov 0x4d0(%r12),%rbx 3f: 00