ci starts bisection 2025-06-10 17:33:35.515895379 +0000 UTC m=+18022.261755669
bisecting fixing commit since 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4
building syzkaller on 2a0d0f29e37863d5cdb8e95c9fa2a83251ba3972
ensuring issue is reproducible on original commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1b76c3f4617e717c83d88d160e382465d64d1d3669dbedca0aff2987557a43ec
run #0: crashed: INFO: task hung in misc_open
run #1: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #2: crashed: INFO: task hung in rfkill_sync_work
run #3: crashed: INFO: task hung in rfkill_unregister
run #4: crashed: INFO: task hung in rfkill_unregister
run #5: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #6: crashed: INFO: task hung in rfkill_sync_work
run #7: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #8: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #9: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #10: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #11: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #12: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #13: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #14: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #15: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #16: crashed: INFO: task hung in rfkill_unregister
run #17: crashed: INFO: task hung in rfkill_unregister
run #18: crashed: INFO: task hung in rfkill_unregister
run #19: crashed: INFO: task hung in rfkill_global_led_trigger_worker
representative crash: INFO: task hung in misc_open, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6c6e0ea71fd206079dc1866601a2a568930745e3f90290a0e9ebf1bf58282a1a
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: crashed: INFO: task hung in rfkill_unregister
run #2: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #3: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #5: crashed: INFO: task hung in rfkill_unregister
run #6: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #7: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #8: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #9: crashed: INFO: task hung in rfkill_sync_work
representative crash: INFO: task hung in rfkill_global_led_trigger_worker, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
kconfig minimization: base=4084 full=7642 leaves diff=2030
split chunks (needed=false): <2030>
split chunk #0 of len 2030 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1250ba358796c2cc8a2cfd61dc9cd3905745ad9f9e622a56dc9c11976869adca
run #0: crashed: INFO: task hung in misc_open
run #1: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #2: crashed: INFO: task hung in rfkill_fop_open
run #3: crashed: INFO: task hung in rfkill_fop_open
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #5: crashed: INFO: task hung in rfkill_sync_work
run #6: crashed: INFO: task hung in rfkill_sync_work
run #7: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #8: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #9: crashed: INFO: task hung in rfkill_global_led_trigger_worker
representative crash: INFO: task hung in misc_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6367d1a7302cc5f412002504957e153f5208041882debdf63c60ac8c9061d31b
run #0: crashed: INFO: task hung in misc_open
run #1: crashed: INFO: task hung in rfkill_unregister
run #2: crashed: INFO: task hung in rfkill_unregister
run #3: crashed: INFO: task hung in misc_open
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #5: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #6: crashed: INFO: task hung in rfkill_sync_work
run #7: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #8: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #9: crashed: INFO: task hung in rfkill_sync_work
representative crash: INFO: task hung in misc_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1cdcf30a6993e76c270020f5ce99618c4326cc28edcc247e70b4a9e6ce1380f0
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9364fe2350f29bf38dcd1f34fcdca11e5920cac3557a4398fbd812a15f4910df
run #0: crashed: INFO: task hung in rfkill_sync_work
run #1: crashed: INFO: task hung in rfkill_sync_work
run #2: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #3: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #5: crashed: INFO: task hung in rfkill_sync_work
run #6: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #7: crashed: INFO: task hung in rfkill_sync_work
run #8: crashed: INFO: task hung in rfkill_sync_work
run #9: crashed: INFO: task hung in rfkill_sync_work
representative crash: INFO: task hung in rfkill_sync_work, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 30206e182212caa533f6ecc7a717a49cb695043637df16dc710c1190b9764886
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: crashed: INFO: task hung in nfc_rfkill_set_block
run #2: crashed: INFO: task hung in rfkill_sync_work
run #3: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #5: crashed: INFO: task hung in rfkill_sync_work
run #6: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #7: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #8: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #9: crashed: INFO: task hung in rfkill_global_led_trigger_worker
representative crash: INFO: task hung in rfkill_global_led_trigger_worker, types: [HANG]
the chunk can be dropped
minimized to 406 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HAVE_KVM HID_LOGITECH HSR IMA IMA_APPRAISE IMA_APPRAISE_MODSIG INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_SIGNATURE 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_MSI_IOMMU 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 KALLSYMS_ABSOLUTE_PERCPU KALLSYMS_BASE_RELATIVE 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_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 LOGITECH_FF LOGIWHEELS_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 MEMCG_KMEM 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 MICROCODE_AMD MICROCODE_INTEL 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_SIG_KEY_TYPE_RSA 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_V2 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_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_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 [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing current HEAD f09079bd04a924c72d555cd97942d5f8d7eca98c
testing commit f09079bd04a924c72d555cd97942d5f8d7eca98c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4cae7b18928b219accbb11614e1879bf35608793a60e05538d404763d879d398
all runs: crashed: INFO: task hung in rfkill_global_led_trigger_worker
representative crash: INFO: task hung in rfkill_global_led_trigger_worker, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 3h37m47.24966519s (build: 2h4m37.271612852s, test: 1h23m0.714178371s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'powerpc-6.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
crash: INFO: task hung in rfkill_global_led_trigger_worker
INFO: task kworker/0:0:9 blocked for more than 143 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:13064 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x19/0x100 net/rfkill/core.c:182
process_one_work+0x328/0x940 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3321 [inline]
worker_thread+0x319/0x5c0 kernel/workqueue.c:3402
kthread+0x165/0x2d0 kernel/kthread.c:464
ret_from_fork+0x1ef/0x280 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz-executor.3:6222 blocked for more than 143 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:13824 pid:6222 tgid:6222 ppid:2643 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
rfkill_unregister+0x7b/0x110 net/rfkill/core.c:1145
nfc_unregister_device+0x6a/0x180 net/nfc/core.c:1167
virtual_ncidev_close+0x19/0x40 drivers/nfc/virtual_ncidev.c:172
__fput+0x1c3/0x500 fs/file_table.c:465
fput_close_sync+0x67/0x130 fs/file_table.c:570
__do_sys_close fs/open.c:1589 [inline]
__se_sys_close fs/open.c:1574 [inline]
__x64_sys_close+0x4a/0xc0 fs/open.c:1574
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17dae4b9da
RSP: 002b:00007ffe0d3e5230 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f17dae4b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b30660000 R09: 00007f17daf6bf8c
R10: 00007ffe0d3e5380 R11: 0000000000000293 R12: 00007f17da9c8298
R13: ffffffffffffffff R14: 00007f17da9c8000 R15: 00000000000131f6
INFO: task syz-executor.4:6245 blocked for more than 143 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:12800 pid:6245 tgid:6240 ppid:5437 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
device_lock include/linux/device.h:884 [inline]
nfc_dev_down+0x2b/0x130 net/nfc/core.c:143
nfc_rfkill_set_block+0x39/0x90 net/nfc/core.c:179
rfkill_set_block+0xf6/0x2a0 net/rfkill/core.c:346
rfkill_fop_write+0x23a/0x350 net/rfkill/core.c:1301
vfs_write+0x182/0x740 fs/read_write.c:684
ksys_write+0x14c/0x180 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4c6ffcae9
RSP: 002b:00007fc4c6b7f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc4c711bf80 RCX: 00007fc4c6ffcae9
RDX: 0000000000000008 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007fc4c704847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007fc4c711bf80 R15: 00007ffc8512c3c8
INFO: task syz-executor.2:6246 blocked for more than 143 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:13184 pid:6246 tgid:6242 ppid:2645 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
misc_open+0x2b/0x1c0 drivers/char/misc.c:125
chrdev_open+0x107/0x310 fs/char_dev.c:414
do_dentry_open+0x214/0x790 fs/open.c:964
vfs_open+0x43/0x1c0 fs/open.c:1094
do_open fs/namei.c:3887 [inline]
path_openat+0xfd9/0x15a0 fs/namei.c:4046
do_filp_open+0x102/0x1f0 fs/namei.c:4073
do_sys_openat2+0xc1/0x140 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xb2/0x100 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f71de5fcae9
RSP: 002b:00007f71de17f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f71de71bf80 RCX: 00007f71de5fcae9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f71de64847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f71de71bf80 R15: 00007ffd727128b8
INFO: task syz-executor.1:6251 blocked for more than 144 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:12832 pid:6251 tgid:6248 ppid:2636 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
misc_open+0x2b/0x1c0 drivers/char/misc.c:125
chrdev_open+0x107/0x310 fs/char_dev.c:414
do_dentry_open+0x214/0x790 fs/open.c:964
vfs_open+0x43/0x1c0 fs/open.c:1094
do_open fs/namei.c:3887 [inline]
path_openat+0xfd9/0x15a0 fs/namei.c:4046
do_filp_open+0x102/0x1f0 fs/namei.c:4073
do_sys_openat2+0xc1/0x140 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xb2/0x100 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5680a5cae9
RSP: 002b:00007f56805d70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5680b7bf80 RCX: 00007f5680a5cae9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f5680aa847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f5680b7bf80 R15: 00007ffe692f3768
INFO: task syz-executor.5:6260 blocked for more than 144 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:13808 pid:6260 tgid:6258 ppid:2640 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
rfkill_register+0x35/0x3e0 net/rfkill/core.c:1071
nfc_register_device+0xda/0x210 net/nfc/core.c:1132
nci_register_device+0x3b7/0x450 net/nfc/nci/core.c:1277
virtual_ncidev_open+0xa7/0x110 drivers/nfc/virtual_ncidev.c:157
misc_open+0x199/0x1c0 drivers/char/misc.c:161
chrdev_open+0x107/0x310 fs/char_dev.c:414
do_dentry_open+0x214/0x790 fs/open.c:964
vfs_open+0x43/0x1c0 fs/open.c:1094
do_open fs/namei.c:3887 [inline]
path_openat+0xfd9/0x15a0 fs/namei.c:4046
do_filp_open+0x102/0x1f0 fs/namei.c:4073
do_sys_openat2+0xc1/0x140 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xb2/0x100 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1a5387cae9
RSP: 002b:00007f1a533f70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1a5399bf80 RCX: 00007f1a5387cae9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f1a538c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f1a5399bf80 R15: 00007ffc42b83b48
INFO: task syz-executor.5:6267 blocked for more than 144 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:14328 pid:6267 tgid:6258 ppid:2640 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
misc_open+0x2b/0x1c0 drivers/char/misc.c:125
chrdev_open+0x107/0x310 fs/char_dev.c:414
do_dentry_open+0x214/0x790 fs/open.c:964
vfs_open+0x43/0x1c0 fs/open.c:1094
do_open fs/namei.c:3887 [inline]
path_openat+0xfd9/0x15a0 fs/namei.c:4046
do_filp_open+0x102/0x1f0 fs/namei.c:4073
do_sys_openat2+0xc1/0x140 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xb2/0x100 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1a5387cae9
RSP: 002b:00007f1a533d60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1a5399c050 RCX: 00007f1a5387cae9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f1a538c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f1a5399c050 R15: 00007ffc42b83b48
INFO: task syz-executor.0:6265 blocked for more than 144 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:14368 pid:6265 tgid:6263 ppid:2644 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
misc_open+0x2b/0x1c0 drivers/char/misc.c:125
chrdev_open+0x107/0x310 fs/char_dev.c:414
do_dentry_open+0x214/0x790 fs/open.c:964
vfs_open+0x43/0x1c0 fs/open.c:1094
do_open fs/namei.c:3887 [inline]
path_openat+0xfd9/0x15a0 fs/namei.c:4046
do_filp_open+0x102/0x1f0 fs/namei.c:4073
do_sys_openat2+0xc1/0x140 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xb2/0x100 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b0398cae9
RSP: 002b:00007f7b035070c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7b03aabf80 RCX: 00007f7b0398cae9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f7b039d847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f7b03aabf80 R15: 00007ffe89183118
INFO: task syz-executor.0:6270 blocked for more than 144 seconds.
Not tainted 6.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:14328 pid:6270 tgid:6263 ppid:2644 task_flags:0x400040 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x5a7/0xd60 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x25/0x110 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x617/0xb10 kernel/locking/mutex.c:747
misc_open+0x2b/0x1c0 drivers/char/misc.c:125
chrdev_open+0x107/0x310 fs/char_dev.c:414
do_dentry_open+0x214/0x790 fs/open.c:964
vfs_open+0x43/0x1c0 fs/open.c:1094
do_open fs/namei.c:3887 [inline]
path_openat+0xfd9/0x15a0 fs/namei.c:4046
do_filp_open+0x102/0x1f0 fs/namei.c:4073
do_sys_openat2+0xc1/0x140 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xb2/0x100 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x6d/0x310 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b0398cae9
RSP: 002b:00007f7b034e60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7b03aac050 RCX: 00007f7b0398cae9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f7b039d847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7b03aac050 R15: 00007ffe89183118
Showing all locks held in the system:
3 locks held by kworker/0:0/9:
#0: ffff888100072748 ((wq_completion)events){....}-{0:0}, at: process_one_work+0x7b0/0x940 kernel/workqueue.c:3213
#1: ffffc90000053e28 ((work_completion)(&rfkill_global_led_trigger_work)){....}-{0:0}, at: process_one_work+0x2cc/0x940 kernel/workqueue.c:3214
#2: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_global_led_trigger_worker+0x19/0x100 net/rfkill/core.c:182
1 lock held by khungtaskd/31:
#0: ffffffff83dac740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff83dac740 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff83dac740 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x120 kernel/locking/lockdep.c:6770
2 locks held by getty/1837:
#0: ffff88810fe9b0a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x60 drivers/tty/tty_ldisc.c:243
#1: ffffc90002eaf2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x225/0xac0 drivers/tty/n_tty.c:2222
2 locks held by syz-executor.3/6222:
#0: ffff888122402900 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:884 [inline]
#0: ffff888122402900 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x51/0x180 net/nfc/core.c:1165
#1: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_unregister+0x7b/0x110 net/rfkill/core.c:1145
2 locks held by syz-executor.4/6240:
#0: ffff888122405900 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:884 [inline]
#0: ffff888122405900 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x51/0x180 net/nfc/core.c:1165
#1: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_unregister+0x7b/0x110 net/rfkill/core.c:1145
2 locks held by syz-executor.4/6245:
#0: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_fop_write+0xdc/0x350 net/rfkill/core.c:1293
#1: ffff888122402900 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:884 [inline]
#1: ffff888122402900 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2b/0x130 net/nfc/core.c:143
2 locks held by syz-executor.2/6242:
#0: ffff888122400100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:884 [inline]
#0: ffff888122400100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x51/0x180 net/nfc/core.c:1165
#1: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_unregister+0x7b/0x110 net/rfkill/core.c:1145
1 lock held by syz-executor.2/6246:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
2 locks held by syz-executor.1/6248:
#0: ffff88810cbbe900 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:884 [inline]
#0: ffff88810cbbe900 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x51/0x180 net/nfc/core.c:1165
#1: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_unregister+0x7b/0x110 net/rfkill/core.c:1145
1 lock held by syz-executor.1/6251:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
3 locks held by syz-executor.5/6260:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
#1: ffff88810df5b100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:884 [inline]
#1: ffff88810df5b100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0x92/0x210 net/nfc/core.c:1128
#2: ffffffff83fa58a8 (rfkill_global_mutex){....}-{3:3}, at: rfkill_register+0x35/0x3e0 net/rfkill/core.c:1071
1 lock held by syz-executor.5/6267:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.0/6265:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.0/6270:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.3/6275:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.2/6283:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.4/6289:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.0/6290:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.5/6292:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.1/6293:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.3/8540:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.2/8548:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.1/8553:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.4/8557:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.5/8560:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
1 lock held by syz-executor.0/8566:
#0: ffffffff83ea6628 (misc_mtx){....}-{3:3}, at: misc_open+0x2b/0x1c0 drivers/char/misc.c:125
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(undef)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xc7/0x130 lib/dump_stack.c:120
nmi_cpu_backtrace+0x1b2/0x210 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1b4/0x1e0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline]
watchdog+0x98c/0x9e0 kernel/hung_task.c:470
kthread+0x165/0x2d0 kernel/kthread.c:464
ret_from_fork+0x1ef/0x280 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(undef)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:139 [inline]
RIP: 0010:wrmsrq arch/x86/include/asm/msr.h:199 [inline]
RIP: 0010:native_apic_msr_write arch/x86/include/asm/apic.h:212 [inline]
RIP: 0010:native_apic_msr_write+0x28/0x40 arch/x86/include/asm/apic.h:206
Code: 90 90 f3 0f 1e fa 8d 87 30 ff ff ff 83 e0 ef 74 20 89 f8 83 e0 ef 83 f8 20 74 16 c1 ef 04 31 d2 89 f0 8d 8f 00 08 00 00 0f 30 <66> 90 e9 91 4d ca 01 e9 8c 4d ca 01 89 f6 31 d2 89 cf e9 41 b7 a4
RSP: 0018:ffffffff83c03d10 EFLAGS: 00000046
RAX: 00000000000498af RBX: 0000000000498ada RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000498af RDI: 0000000000000038
RBP: ffff888237c17980 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000498ada R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8882b2b27000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd16999c4ac CR3: 0000000107f14000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
apic_write arch/x86/include/asm/apic.h:405 [inline]
lapic_next_event+0x10/0x20 arch/x86/kernel/apic/apic.c:416
clockevents_program_event+0xeb/0x170 kernel/time/clockevents.c:334
tick_program_event+0x7f/0xe0 kernel/time/tick-oneshot.c:44
__hrtimer_reprogram kernel/time/hrtimer.c:685 [inline]
__hrtimer_reprogram kernel/time/hrtimer.c:659 [inline]
hrtimer_reprogram+0x11b/0x1c0 kernel/time/hrtimer.c:868
hrtimer_start_range_ns+0x489/0x6e0 kernel/time/hrtimer.c:1330
hrtimer_start include/linux/hrtimer.h:263 [inline]
tick_nohz_stop_tick kernel/time/tick-sched.c:1064 [inline]
tick_nohz_idle_stop_tick+0x29f/0x4b0 kernel/time/tick-sched.c:1227
cpuidle_idle_call kernel/sched/idle.c:183 [inline]
do_idle+0x1cf/0x230 kernel/sched/idle.c:325
cpu_startup_entry+0x24/0x30 kernel/sched/idle.c:423
rest_init+0xf2/0x100 init/main.c:744
start_kernel+0x70d/0x7b0 init/main.c:1101
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:307
x86_64_start_kernel+0x103/0x120 arch/x86/kernel/head64.c:288
common_startup_64+0x13e/0x148