ci2 starts bisection 2023-09-04 13:19:34.559614819 +0000 UTC m=+298.176156595 bisecting fixing commit since bf4ad6fa4e5332e53913b073d0219319a4091619 building syzkaller on fbf0499acc828df26995835e51d83c3a0117e716 ensuring issue is reproducible on original commit bf4ad6fa4e5332e53913b073d0219319a4091619 testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e2da975b32a1e7605a55a437247ffebd83373b05dd5466dfaf9b80cbe023148e run #0: crashed: possible deadlock in nci_start_poll run #1: crashed: possible deadlock in virtual_nci_close run #2: crashed: possible deadlock in nci_start_poll run #3: crashed: possible deadlock in nci_start_poll run #4: crashed: possible deadlock in nci_start_poll run #5: crashed: possible deadlock in virtual_nci_close run #6: crashed: possible deadlock in nci_start_poll run #7: crashed: possible deadlock in nci_start_poll run #8: crashed: possible deadlock in nci_start_poll run #9: crashed: possible deadlock in nci_start_poll run #10: crashed: possible deadlock in nci_start_poll run #11: crashed: possible deadlock in nci_start_poll run #12: crashed: possible deadlock in nci_start_poll run #13: crashed: possible deadlock in nci_start_poll run #14: crashed: possible deadlock in nci_start_poll run #15: crashed: possible deadlock in nci_start_poll run #16: crashed: possible deadlock in nci_start_poll run #17: crashed: possible deadlock in nci_start_poll run #18: crashed: possible deadlock in nci_start_poll run #19: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dae0cad9e2ff25c6765d61b42c98b3c03074dcf1a6e3c02c000b0a34ab164c7e all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3820 full=7521 leaves diff=1987 split chunks (needed=false): <1987> split chunk #0 of len 1987 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 95d763c44c0bec658ca5fe90fd397b61ddce15b67eb74608dfa6b7b3e814f251 run #0: crashed: possible deadlock in virtual_nci_close run #1: crashed: possible deadlock in nci_start_poll run #2: crashed: possible deadlock in nci_start_poll run #3: crashed: possible deadlock in nci_start_poll run #4: crashed: possible deadlock in nci_start_poll run #5: crashed: possible deadlock in nci_start_poll run #6: crashed: possible deadlock in nci_start_poll run #7: crashed: possible deadlock in nci_start_poll run #8: crashed: possible deadlock in nci_start_poll run #9: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee95d22c7321307a8b921bb87c11bf2707ad8641a99fef44c9d31778ebe01b63 all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, 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 bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3fbb16d56ba82527124a06d47ba5ccb1f9bef214b5cf082c2db6a8d21138b759 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 517e326f039476a461edcf2ab501f4c8b20c4ac254e4db740b057312252f8aeb all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7fe556207f2f5604d8eb816c934a1d501b15c9a2df4acfef13a3934497c6cafd run #0: crashed: possible deadlock in nci_start_poll run #1: crashed: possible deadlock in nci_start_poll run #2: crashed: possible deadlock in nci_start_poll run #3: crashed: possible deadlock in nci_start_poll run #4: crashed: possible deadlock in virtual_nci_close run #5: crashed: possible deadlock in nci_start_poll run #6: crashed: possible deadlock in nci_start_poll run #7: crashed: possible deadlock in nci_start_poll run #8: crashed: possible deadlock in nci_start_poll run #9: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] the chunk can be dropped minimized to 398 configs; suspects: [ATM 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 IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LRU_GEN LRU_GEN_ENABLED LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY 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_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 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_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 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_ATM NET_SCH_CAKE NET_SCH_CBQ NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_DSMARK 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_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_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_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 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 [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed determining the merge base between bf4ad6fa4e5332e53913b073d0219319a4091619 and 708283abf896dd4853e673cc8cba70acaf9bf4ea 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: daf1f11b0dead8125c3ee6cb9a024761c360730ddb49b1fc95dc5b67be7b529a all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] testing current HEAD 708283abf896dd4853e673cc8cba70acaf9bf4ea testing commit 708283abf896dd4853e673cc8cba70acaf9bf4ea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8adc7b7d3426ef69b8d75565fc06073b58fae2e4164b1bb3c232130f2b1d5924 all runs: OK false negative chance: 0.000 # git bisect start 708283abf896dd4853e673cc8cba70acaf9bf4ea 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 37243 revisions left to test after this (roughly 15 steps) [733f7e9c18c5e377025c1bfdce6bc9a7d55649be] Merge tag 'v6.4-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 733f7e9c18c5e377025c1bfdce6bc9a7d55649be gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f69ba02a0d2cfd954d95ffcb30bf42620f5a35f3f64febe9f847b2b4f41805dc all runs: OK false negative chance: 0.000 # git bisect bad 733f7e9c18c5e377025c1bfdce6bc9a7d55649be Bisecting: 18587 revisions left to test after this (roughly 14 steps) [675f176b4dcc2b75adbcea7ba0e9a649527f53bd] Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 675f176b4dcc2b75adbcea7ba0e9a649527f53bd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c83c90d55354487c4b9eb2264781af4c19a618caca4e3ba2238a39a022eb215f all runs: OK false negative chance: 0.000 # git bisect bad 675f176b4dcc2b75adbcea7ba0e9a649527f53bd Bisecting: 9034 revisions left to test after this (roughly 13 steps) [7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91] Merge tag 'net-next-6.2' 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 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 47eb8d933b74bbc5e44a32ae31cd5d8d7c62bf7c5fffc415c1321f001e40d3f5 all runs: OK false negative chance: 0.000 # git bisect bad 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 Bisecting: 4944 revisions left to test after this (roughly 12 steps) [cdb9d3537711939e4d8fd0de2889c966f88346eb] Merge tag 'media/v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit cdb9d3537711939e4d8fd0de2889c966f88346eb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fae5934f6616e861e64d8084db710dc23077bb748bcef6562b2af6210cb72b88 all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good cdb9d3537711939e4d8fd0de2889c966f88346eb Bisecting: 2401 revisions left to test after this (roughly 11 steps) [0015edd6f66172f93aa720192020138ca13ba0a6] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux determine whether the revision contains the guilty commit revision cdb9d3537711939e4d8fd0de2889c966f88346eb crashed and is reachable testing commit 0015edd6f66172f93aa720192020138ca13ba0a6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28f36bf523c6923cd5c9527683470384f79d1d0ef92bc1a82f01bda0e7a20004 all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good 0015edd6f66172f93aa720192020138ca13ba0a6 Bisecting: 1200 revisions left to test after this (roughly 10 steps) [288ecf491b1654845ae99c79b7fefad2d3ea47bd] ice: Accumulate ring statistics over reset determine whether the revision contains the guilty commit checking the merge base 847ccab8fdcf4a0cd85a278480fab1ccdc9f6136 no existing result, test the revision testing commit 847ccab8fdcf4a0cd85a278480fab1ccdc9f6136 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e29640b181d41ffdad6e190fe970038a63c690a088baf22fc1f15d897b6d30d all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] testing commit 288ecf491b1654845ae99c79b7fefad2d3ea47bd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca5607f349778c82ea4091dc2584bd807d03bb4a3b4ca84c44d6ff54b7abd3eb all runs: OK false negative chance: 0.000 # git bisect bad 288ecf491b1654845ae99c79b7fefad2d3ea47bd Bisecting: 600 revisions left to test after this (roughly 9 steps) [25906092edb4bcf94cb669bd1ed03a0ef2f4120c] Documentation: bpf: Escape underscore in BPF type name prefix determine whether the revision contains the guilty commit checking the merge base 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 no existing result, test the revision testing commit 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f49041a29676da014ea4a45baf8a123abf060ecc3f2d38477859421ae351b9fe run #0: crashed: possible deadlock in nci_start_poll run #1: crashed: possible deadlock in nci_start_poll run #2: crashed: possible deadlock in virtual_nci_close run #3: crashed: possible deadlock in nci_start_poll run #4: crashed: possible deadlock in nci_start_poll run #5: crashed: possible deadlock in nci_start_poll run #6: crashed: possible deadlock in nci_start_poll run #7: crashed: possible deadlock in nci_start_poll run #8: crashed: possible deadlock in nci_start_poll run #9: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] testing commit 25906092edb4bcf94cb669bd1ed03a0ef2f4120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5310777e0889024bf44effafdb29acda0f5a388a48b30407c3fc1588edd0469 all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good 25906092edb4bcf94cb669bd1ed03a0ef2f4120c Bisecting: 295 revisions left to test after this (roughly 8 steps) [f12ed9c04804eec4f1819097a0fd0b4800adac2f] Merge tag 'mlx5-updates-2022-11-12' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux determine whether the revision contains the guilty commit revision 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 crashed and is reachable testing commit f12ed9c04804eec4f1819097a0fd0b4800adac2f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a353bc50eb37466d250f041d06c2e933bf152f8daa7456abe29d2d19ed9d189b all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good f12ed9c04804eec4f1819097a0fd0b4800adac2f Bisecting: 185 revisions left to test after this (roughly 7 steps) [22700706adac57608ca78ef527b0df56c11f85e6] Merge branch 'sctp-vrf' determine whether the revision contains the guilty commit revision 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 crashed and is reachable testing commit 22700706adac57608ca78ef527b0df56c11f85e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a762bf1d3dd56f6cb3836eb6399f4814f178ca30d5930e869e75d977c5c6d46 all runs: OK false negative chance: 0.000 # git bisect bad 22700706adac57608ca78ef527b0df56c11f85e6 Bisecting: 54 revisions left to test after this (roughly 6 steps) [c4794d22251b979b12a6c8e2d3848b662a44fdb6] ipv4: tunnels: use DEV_STATS_INC() determine whether the revision contains the guilty commit revision 25906092edb4bcf94cb669bd1ed03a0ef2f4120c crashed and is reachable testing commit c4794d22251b979b12a6c8e2d3848b662a44fdb6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c57050f8ac0396ddff9ccb5f83998b65268f024dfaf9b02b154cdd0ef00fdd47 all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good c4794d22251b979b12a6c8e2d3848b662a44fdb6 Bisecting: 27 revisions left to test after this (roughly 5 steps) [6e2d7e84fcfee62d70e62aa9e469d10b8b6a7dc7] devlink: Introduce new attribute 'tx_weight' to devlink-rate determine whether the revision contains the guilty commit revision 847ccab8fdcf4a0cd85a278480fab1ccdc9f6136 crashed and is reachable testing commit 6e2d7e84fcfee62d70e62aa9e469d10b8b6a7dc7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 30333945ea49d6ce032f2dcf569b65696ac461fdfd75bbcc1638006887ca7052 all runs: OK false negative chance: 0.000 # git bisect bad 6e2d7e84fcfee62d70e62aa9e469d10b8b6a7dc7 Bisecting: 12 revisions left to test after this (roughly 4 steps) [2ffff1449ddd35cad113614fce2424da235f7560] Merge branch 'net-dsa-use-more-appropriate-net_name_-constants-for-user-ports' determine whether the revision contains the guilty commit revision 25906092edb4bcf94cb669bd1ed03a0ef2f4120c crashed and is reachable testing commit 2ffff1449ddd35cad113614fce2424da235f7560 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f54a9d2381c72983dcf3f4084d498b883f7deccbbf8ba54e933b5db293054948 all runs: OK false negative chance: 0.000 # git bisect bad 2ffff1449ddd35cad113614fce2424da235f7560 Bisecting: 6 revisions left to test after this (roughly 3 steps) [b2e44aac91b25abbed57d785089c4b7af926a7bd] NFC: nci: Allow to create multiple virtual nci devices determine whether the revision contains the guilty commit revision 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 crashed and is reachable testing commit b2e44aac91b25abbed57d785089c4b7af926a7bd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 78fc1343c53a566ddb5914058a8131a86d24539b1dd31a22d43f631d6ac0f2b5 all runs: OK false negative chance: 0.000 # git bisect bad b2e44aac91b25abbed57d785089c4b7af926a7bd Bisecting: 3 revisions left to test after this (roughly 2 steps) [bf36267e3ad3df80a3a18eb0422723069a434934] tcp: annotate data-race around queue->synflood_warned determine whether the revision contains the guilty commit revision f12ed9c04804eec4f1819097a0fd0b4800adac2f crashed and is reachable testing commit bf36267e3ad3df80a3a18eb0422723069a434934 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3b9301820de16ddef88ce28f51878f047035fd2b6fd800eae93053d105703250 all runs: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good bf36267e3ad3df80a3a18eb0422723069a434934 Bisecting: 1 revision left to test after this (roughly 1 step) [b0798310f84c97d91e02c950d54677cad91ec5dd] sctp: sm_statefuns: Remove pointer casts of the same type determine whether the revision contains the guilty commit revision 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 crashed and is reachable testing commit b0798310f84c97d91e02c950d54677cad91ec5dd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3392b49adb15fe687803eaae01500607ac4d3bf87b98c1777f66664645544358 run #0: crashed: possible deadlock in nci_start_poll run #1: crashed: possible deadlock in nci_start_poll run #2: crashed: possible deadlock in nci_start_poll run #3: crashed: possible deadlock in virtual_nci_close run #4: crashed: possible deadlock in nci_start_poll run #5: crashed: possible deadlock in nci_start_poll run #6: crashed: possible deadlock in nci_start_poll run #7: crashed: possible deadlock in nci_start_poll run #8: crashed: possible deadlock in nci_start_poll run #9: crashed: possible deadlock in nci_start_poll representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good b0798310f84c97d91e02c950d54677cad91ec5dd Bisecting: 0 revisions left to test after this (roughly 0 steps) [710cfc6ab4b85ac5388828b4be63a5f20c8a9dd9] sundance: remove unused variable cnt determine whether the revision contains the guilty commit revision 9521c9d6a53df9c44a5f5ddbc229ceaf3cf79ef6 crashed and is reachable testing commit 710cfc6ab4b85ac5388828b4be63a5f20c8a9dd9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4d8528b6253915f35daac6c44b01a41a98e627c40c0c08edc61d81cb4172983 run #0: crashed: possible deadlock in nci_start_poll run #1: crashed: possible deadlock in nci_start_poll run #2: crashed: possible deadlock in nci_start_poll run #3: crashed: possible deadlock in nci_start_poll run #4: crashed: possible deadlock in nci_start_poll run #5: crashed: possible deadlock in nci_start_poll run #6: crashed: possible deadlock in nci_start_poll run #7: crashed: possible deadlock in nci_start_poll run #8: crashed: possible deadlock in nci_start_poll run #9: crashed: possible deadlock in virtual_nci_close representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP] # git bisect good 710cfc6ab4b85ac5388828b4be63a5f20c8a9dd9 b2e44aac91b25abbed57d785089c4b7af926a7bd is the first bad commit commit b2e44aac91b25abbed57d785089c4b7af926a7bd Author: Dmitry Vyukov Date: Tue Nov 15 11:00:17 2022 +0100 NFC: nci: Allow to create multiple virtual nci devices The current virtual nci driver is great for testing and fuzzing. But it allows to create at most one "global" device which does not allow to run parallel tests and harms fuzzing isolation and reproducibility. Restructure the driver to allow creation of multiple independent devices. This should be backwards compatible for existing tests. Signed-off-by: Dmitry Vyukov Reviewed-by: Bongsu Jeon Cc: Bongsu Jeon Cc: Krzysztof Kozlowski Cc: Jakub Kicinski Cc: netdev@vger.kernel.org Link: https://lore.kernel.org/r/20221115100017.787929-1-dvyukov@google.com Signed-off-by: Paolo Abeni drivers/nfc/virtual_ncidev.c | 147 +++++++++++++++++++++---------------------- 1 file changed, 71 insertions(+), 76 deletions(-) accumulated error probability: 0.00 culprit signature: 78fc1343c53a566ddb5914058a8131a86d24539b1dd31a22d43f631d6ac0f2b5 parent signature: a4d8528b6253915f35daac6c44b01a41a98e627c40c0c08edc61d81cb4172983 revisions tested: 27, total time: 5h12m37.274632593s (build: 1h29m30.309267446s, test: 3h15m19.038731982s) first good commit: b2e44aac91b25abbed57d785089c4b7af926a7bd NFC: nci: Allow to create multiple virtual nci devices recipients (to): ["bongsu.jeon@samsung.com" "dvyukov@google.com" "pabeni@redhat.com"] recipients (cc): []