ci starts bisection 2024-01-03 04:40:12.838587376 +0000 UTC m=+986840.435352561 bisecting cause commit starting from 954fb2d2d49f46e1d9861c45731e26bdeb081695 building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9 ensuring issue is reproducible on original commit 954fb2d2d49f46e1d9861c45731e26bdeb081695 testing commit 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 674e1c572ed62f80aadc047666af41acf8da756fd0e199da24ede4f7b564c825 all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77d58e2f24080522d90354a3b428ed04328941c5e36f1b59c6b69067766db363 all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, 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=3923 full=7657 leaves diff=2005 split chunks (needed=false): <2005> split chunk #0 of len 2005 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 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b729ccb53a3b590cf61d7360292313d9df0aa49d50dc3c3efef48fc2d0f3702e all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, 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 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f26de0a11229e7103cad71366702dd3d2b82d1c368ff10cd780d5b408fb197e0 all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3c61b42f24e870ebd68cd28e03d0ad83352b51f2de57d02e706d7a3eca1237cb 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 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d9d6d7fd22f19bd0d93a9917d2acff6120fc9661054a5abab59dfff347785d0 all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 954fb2d2d49f46e1d9861c45731e26bdeb081695 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be299df6e0751dd6cca2e46e8b7f2b631310e20fa4158afa1b4eb3b3b4cb4a7f all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] the chunk can be dropped minimized to 401 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE 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_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_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_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_GENERIC_HARDWARE_ENABLING KVM_MMIO KVM_PROVE_MMU 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_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_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_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_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_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI] disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80d4519cc0b19193c3c88ac70810022484c5dc1a1f82232b309bb510a2169599 all runs: OK false negative chance: 0.000 # git bisect start 954fb2d2d49f46e1d9861c45731e26bdeb081695 ffc253263a1375a65fa6c9f62a893e9767fbebfa Bisecting: 9894 revisions left to test after this (roughly 13 steps) [c035f0268b87fc21f517f638b3bad26c81babc85] Merge tag 'soc-dt-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit c035f0268b87fc21f517f638b3bad26c81babc85 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ee9fce8ea532825ae5a70da326d993d1626c7c087ba10942b345bb9fb2b8116 all runs: OK false negative chance: 0.000 # git bisect good c035f0268b87fc21f517f638b3bad26c81babc85 Bisecting: 5058 revisions left to test after this (roughly 12 steps) [3af755a46881c32fecaecfdeaf3a8f0a869deca5] nvme: move nvme_stop_keep_alive() back to original position testing commit 3af755a46881c32fecaecfdeaf3a8f0a869deca5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7587e3de43c345ace3e488f6e5766b522ec260ca6666b93a2020d5f1c77ce678 all runs: OK false negative chance: 0.000 # git bisect good 3af755a46881c32fecaecfdeaf3a8f0a869deca5 Bisecting: 2530 revisions left to test after this (roughly 11 steps) [18814f723f92826d83fef40e19fc8cb130367868] wifi: libertas: fix config name in dependency for SDIO support testing commit 18814f723f92826d83fef40e19fc8cb130367868 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 00e9c5b88c54bee2aedfadde708c149ed073bc1a2a6652819619dfdcb0da1a80 all runs: OK false negative chance: 0.000 # git bisect good 18814f723f92826d83fef40e19fc8cb130367868 Bisecting: 1265 revisions left to test after this (roughly 10 steps) [1bf5c8925609425fe0ff7270fe8fb14246c01694] Merge tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux testing commit 1bf5c8925609425fe0ff7270fe8fb14246c01694 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 070c6f166ae86db23b159cbab1d360792814d447df7f4a37357955ddc9247cb9 all runs: OK false negative chance: 0.000 # git bisect good 1bf5c8925609425fe0ff7270fe8fb14246c01694 Bisecting: 605 revisions left to test after this (roughly 9 steps) [0ee28c9ae042e77100fae2cd82a54750668aafce] Merge tag 'wireless-next-2023-12-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next testing commit 0ee28c9ae042e77100fae2cd82a54750668aafce gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a49f21a9535598f18b9cdf2847e4a2d919794300091721c44baec4ee016c325 all runs: OK false negative chance: 0.000 # git bisect good 0ee28c9ae042e77100fae2cd82a54750668aafce Bisecting: 295 revisions left to test after this (roughly 8 steps) [56794e5358542b7c652f202946e53bfd2373b5e0] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 56794e5358542b7c652f202946e53bfd2373b5e0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd5145e69b4836610a0c1a80874437b3dc4d4c043fe84035af351df0822708f9 all runs: OK false negative chance: 0.000 # git bisect good 56794e5358542b7c652f202946e53bfd2373b5e0 Bisecting: 145 revisions left to test after this (roughly 7 steps) [240436c06ce992879d59e504b0df3d32deebb43e] Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next testing commit 240436c06ce992879d59e504b0df3d32deebb43e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 23425a1ad0de820e24f6e5d12fdd368a3b2a5f2d9d0ac1c2f4609869e5d63ac4 all runs: OK false negative chance: 0.000 # git bisect good 240436c06ce992879d59e504b0df3d32deebb43e Bisecting: 86 revisions left to test after this (roughly 6 steps) [968509128207f122d7177ffb6ff51c9c6fa7e13d] wifi: iwlwifi: replace ENOTSUPP with EOPNOTSUPP testing commit 968509128207f122d7177ffb6ff51c9c6fa7e13d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0179e6e3a53d28346818bb6307478ec59f38acea40d580dc492bca2e27cfe7e0 all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] # git bisect bad 968509128207f122d7177ffb6ff51c9c6fa7e13d Bisecting: 29 revisions left to test after this (roughly 5 steps) [3df95e265924ac898c1a38a0c01846dd0bd3b354] wifi: mwifiex: fix uninitialized firmware_stat testing commit 3df95e265924ac898c1a38a0c01846dd0bd3b354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cab0d7724f49011ee153e6bc5bc6edcf4036ae83dd1a1b200f0cb0ea9aefd66e all runs: OK false negative chance: 0.000 # git bisect good 3df95e265924ac898c1a38a0c01846dd0bd3b354 Bisecting: 14 revisions left to test after this (roughly 4 steps) [b1a23f8ae0d76ad32fe36682730c050251275b0b] wifi: mac80211: fix advertised TTLM scheduling testing commit b1a23f8ae0d76ad32fe36682730c050251275b0b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90169a2a3883d045bbd97b9375e2d152e528cd6c3626481b178473b00d917ef1 all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] # git bisect bad b1a23f8ae0d76ad32fe36682730c050251275b0b Bisecting: 7 revisions left to test after this (roughly 3 steps) [513b1a168c8767d5090493bd03ca7fa0a837e465] wifi: mac80211: Schedule regulatory channels check on bandwith change testing commit 513b1a168c8767d5090493bd03ca7fa0a837e465 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 110db788f57b771cc1524d6bed47e66d552e00f2940064f72d1207ed3056142a all runs: OK false negative chance: 0.000 # git bisect good 513b1a168c8767d5090493bd03ca7fa0a837e465 Bisecting: 3 revisions left to test after this (roughly 2 steps) [e62c0fcc0e06a36b40615885eb86eb407ac8d0dd] wifi: mac80211: allow 64-bit radiotap timestamps testing commit e62c0fcc0e06a36b40615885eb86eb407ac8d0dd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 61173a496ee3ed4fdd8474cc555671159d0c3707cc89ee0732065adb937505b2 all runs: OK false negative chance: 0.000 # git bisect good e62c0fcc0e06a36b40615885eb86eb407ac8d0dd Bisecting: 1 revision left to test after this (roughly 1 step) [31c5e92be5936adde55e783c0380264afc7218b0] wifi: cfg80211: ensure cfg80211_bss_update frees IEs on error testing commit 31c5e92be5936adde55e783c0380264afc7218b0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64a534dd4e0a91e2fb3a687c356d8a33aa9434aa4cda3e9aecea3cb7de19222f run #0: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #1: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #2: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #3: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #4: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #5: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #6: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #7: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #8: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update run #9: basic kernel testing failed: lost connection to test machine representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] # git bisect bad 31c5e92be5936adde55e783c0380264afc7218b0 Bisecting: 0 revisions left to test after this (roughly 0 steps) [32af9a9e1069e55bc02741fb00ac9d0ca1a2eaef] wifi: cfg80211: free beacon_ies when overridden from hidden BSS testing commit 32af9a9e1069e55bc02741fb00ac9d0ca1a2eaef gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71f81d743b6d4624d63980ad942283524ed6aa1eecbc291d8ddcf4efdce7d97a all runs: crashed: WARNING: suspicious RCU usage in __cfg80211_bss_update representative crash: WARNING: suspicious RCU usage in __cfg80211_bss_update, types: [LOCKDEP] # git bisect bad 32af9a9e1069e55bc02741fb00ac9d0ca1a2eaef 32af9a9e1069e55bc02741fb00ac9d0ca1a2eaef is the first bad commit commit 32af9a9e1069e55bc02741fb00ac9d0ca1a2eaef Author: Benjamin Berg Date: Wed Dec 20 13:41:41 2023 +0200 wifi: cfg80211: free beacon_ies when overridden from hidden BSS This is a more of a cosmetic fix. The branch will only be taken if proberesp_ies is set, which implies that beacon_ies is not set unless we are connected to an AP that just did a channel switch. And, in that case we should have found the BSS in the internal storage to begin with. Signed-off-by: Benjamin Berg Reviewed-by: Johannes Berg Signed-off-by: Miri Korenblit Link: https://msgid.link/20231220133549.b898e22dadff.Id8c4c10aedd176ef2e18a4cad747b299f150f9df@changeid Signed-off-by: Johannes Berg net/wireless/scan.c | 4 ++++ 1 file changed, 4 insertions(+) accumulated error probability: 0.00 culprit signature: 71f81d743b6d4624d63980ad942283524ed6aa1eecbc291d8ddcf4efdce7d97a parent signature: 61173a496ee3ed4fdd8474cc555671159d0c3707cc89ee0732065adb937505b2 revisions tested: 22, total time: 5h27m50.655387899s (build: 2h23m29.138707154s, test: 2h49m27.014080842s) first bad commit: 32af9a9e1069e55bc02741fb00ac9d0ca1a2eaef wifi: cfg80211: free beacon_ies when overridden from hidden BSS recipients (to): ["benjamin.berg@intel.com" "johannes.berg@intel.com" "miriam.rachel.korenblit@intel.com"] recipients (cc): [] crash: WARNING: suspicious RCU usage in __cfg80211_bss_update wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ============================= WARNING: suspicious RCU usage 6.7.0-rc5-syzkaller #0 Not tainted ----------------------------- net/wireless/scan.c:1875 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 4 locks held by kworker/u4:0/11: #0: ffff88810006ad38 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x247/0x710 kernel/workqueue.c:2602 #1: ffffc90000063e40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x247/0x710 kernel/workqueue.c:2602 #2: ffff888108ff8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5928 [inline] #2: ffff888108ff8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_wiphy_work+0x27/0x120 net/wireless/core.c:424 #3: ffff888108ff8168 (&rdev->bss_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] #3: ffff888108ff8168 (&rdev->bss_lock){+...}-{2:2}, at: cfg80211_inform_single_bss_frame_data+0x50d/0x8d0 net/wireless/scan.c:3012 stack backtrace: CPU: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.7.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events_unbound cfg80211_wiphy_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 lockdep_rcu_suspicious+0x158/0x1e0 kernel/locking/lockdep.c:6712 __cfg80211_bss_update+0x8cc/0xcd0 net/wireless/scan.c:1875 cfg80211_inform_single_bss_frame_data+0x525/0x8d0 net/wireless/scan.c:3013 cfg80211_inform_bss_frame_data+0xb4/0x190 net/wireless/scan.c:3048 __ieee80211_sta_join_ibss+0x571/0x980 net/mac80211/ibss.c:376 ieee80211_sta_create_ibss+0xe7/0x1a0 net/mac80211/ibss.c:1320 ieee80211_sta_find_ibss net/mac80211/ibss.c:1449 [inline] ieee80211_ibss_work+0x547/0x8c0 net/mac80211/ibss.c:1666 ieee80211_iface_work+0x674/0x6e0 net/mac80211/iface.c:1665 cfg80211_wiphy_work+0x100/0x120 net/wireless/core.c:437 process_one_work+0x2c8/0x710 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x312/0x5c0 kernel/workqueue.c:2781 kthread+0x10f/0x150 kernel/kthread.c:388 ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: BSS 50:50:50:50:50:50 switches to unsupported channel (0 MHz), disconnecting wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50