ci2 starts bisection 2026-09-03 20:34:38.933279234 +0000 UTC m=+109.675538382
bisecting fixing commit since a1153c0deb44f75190f07677c0c6d61efd887246
building syzkaller on e611ffe1caa28a0228c8f3642cc768f0dba3dd0c
ensuring issue is reproducible on original commit a1153c0deb44f75190f07677c0c6d61efd887246
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: f8a651abd89560348d91b99a7b7bab0d874e0e170f28ba537f70316986fd6b7d
run #0: crashed: INFO: task hung in remove_one
run #1: crashed: INFO: task hung in remove_one
run #2: crashed: INFO: task hung in remove_one
run #3: crashed: INFO: task hung in remove_one
run #4: crashed: INFO: task hung in remove_one
run #5: crashed: INFO: task hung in remove_one
run #6: crashed: INFO: task hung in remove_one
run #7: crashed: INFO: task hung in remove_one
run #8: crashed: INFO: task hung in remove_one
run #9: crashed: INFO: task hung in nsim_bus_dev_max_vfs_write
run #10: crashed: INFO: task hung in remove_one
run #11: crashed: INFO: task hung in remove_one
run #12: crashed: INFO: task hung in remove_one
run #13: crashed: INFO: task hung in nsim_bus_dev_max_vfs_write
run #14: crashed: INFO: task hung in remove_one
run #15: crashed: INFO: task hung in remove_one
run #16: crashed: INFO: task hung in remove_one
run #17: crashed: INFO: task hung in remove_one
run #18: crashed: INFO: task hung in remove_one
run #19: crashed: INFO: task hung in remove_one
representative crash: INFO: task hung in remove_one, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 76da5823da394fb9a8a1e8da401ff41c6c8830a7c1d8268140b77e46f2977f19
all runs: crashed: INFO: task hung in remove_one
representative crash: INFO: task hung in remove_one, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed
kconfig minimization: base=3913 full=7804 leaves diff=2163
split chunks (needed=false): <2163>
split chunk #0 of len 2163 into 5 parts
testing without sub-chunk 1/5
disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: ea4f37dda7abcab4c80eef1a0f59084154ab3ce8c1eac51c6d9b9eff57504be4
run #0: crashed: INFO: task hung in remove_one
run #1: crashed: INFO: task hung in remove_one
run #2: crashed: INFO: task hung in remove_one
run #3: crashed: INFO: task hung in remove_one
run #4: crashed: INFO: task hung in remove_one
run #5: crashed: INFO: task hung in remove_one
run #6: crashed: INFO: task hung in remove_one
run #7: crashed: INFO: task hung in remove_one
run #8: OK
run #9: OK
representative crash: INFO: task hung in remove_one, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: b74840bcdba9ee1b3031c0c835700dee75b689664e453d1e7b9fdb2f3c82c591
run #0: crashed: INFO: task hung in remove_one
run #1: crashed: INFO: task hung in remove_one
run #2: crashed: INFO: task hung in remove_one
run #3: crashed: INFO: task hung in remove_one
run #4: crashed: INFO: task hung in remove_one
run #5: crashed: INFO: task hung in remove_one
run #6: crashed: INFO: task hung in remove_one
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in remove_one, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: a56474cd1d5bec288c2c11276c140057cb9e2be31d71a1e52785d9a0dc7ca5ab
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 4758eced2efce17b0b5f08277b32b547c437242b58426eeca42b679366be7846
run #0: crashed: INFO: task hung in del_device_store
run #1: crashed: INFO: task hung in remove_one
run #2: crashed: INFO: task hung in remove_one
run #3: crashed: INFO: task hung in remove_one
run #4: crashed: INFO: task hung in remove_one
run #5: crashed: INFO: task hung in remove_one
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in del_device_store, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit a1153c0deb44f75190f07677c0c6d61efd887246 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: df286ee9666152c333b524ab20c1ed1232c9f84d0590ba4ebcf57ddaec96e55d
run #0: crashed: INFO: task hung in remove_one
run #1: crashed: INFO: task hung in remove_one
run #2: crashed: INFO: task hung in remove_one
run #3: crashed: INFO: task hung in remove_one
run #4: crashed: INFO: task hung in remove_one
run #5: crashed: INFO: task hung in remove_one
run #6: crashed: INFO: task hung in remove_one
run #7: crashed: INFO: task hung in remove_one
run #8: OK
run #9: OK
representative crash: INFO: task hung in remove_one, types: [HANG]
the chunk can be dropped
minimized to 433 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_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH 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_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISA_BUS ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_PXRC JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_MMIO KVM_PROVE_MMU KVM_SMM 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 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 MDIO_MVUSB 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 MITIGATION_TSA MITIGATION_VMSCAPE MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOST_USB_HDM MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_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_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_FLOW_TABLE 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]
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing current HEAD 8b73de7da85fde281a385e0b26eda9bffd3ca477
testing commit 8b73de7da85fde281a385e0b26eda9bffd3ca477 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 5b880229dc2905197bdd1a7212cf96f22646e0fde1da76cb60f7cc3f17752b08
run #0: crashed: INFO: task hung in remove_one
run #1: crashed: INFO: task hung in remove_one
run #2: crashed: INFO: task hung in remove_one
run #3: crashed: INFO: task hung in remove_one
run #4: crashed: INFO: task hung in remove_one
run #5: crashed: INFO: task hung in remove_one
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: INFO: task hung in remove_one
representative crash: INFO: task hung in remove_one, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 4h45m24.715472776s (build: 1h15m43.770663778s, test: 1h35m39.186282419s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.6.156
crash: INFO: task hung in remove_one
INFO: task syz-executor:10659 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:11832 pid:10659 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x68e/0x960 kernel/sched/core.c:6701
schedule+0x54/0xc0 kernel/sched/core.c:6775
schedule_timeout+0x47/0x1c0 kernel/time/timer.c:2144
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0xee/0x1a0 kernel/sched/completion.c:127
__debugfs_file_removed fs/debugfs/inode.c:748 [inline]
remove_one+0x9d/0xd0 fs/debugfs/inode.c:754
simple_recursive_removal+0x319/0x3b0 fs/libfs.c:633
debugfs_remove+0x56/0x70 fs/debugfs/inode.c:777
nsim_dev_debugfs_exit drivers/net/netdevsim/dev.c:367 [inline]
nsim_drv_remove+0x4b/0xb0 drivers/net/netdevsim/dev.c:1680
device_remove drivers/base/dd.c:626 [inline]
__device_release_driver drivers/base/dd.c:1351 [inline]
device_release_driver_internal+0x201/0x360 drivers/base/dd.c:1374
bus_remove_device+0x234/0x290 drivers/base/bus.c:624
device_del+0x2cf/0x450 drivers/base/core.c:3889
device_unregister+0x1e/0x80 drivers/base/core.c:3930
nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline]
del_device_store+0x13c/0x1a0 drivers/net/netdevsim/bus.c:219
kernfs_fop_write_iter+0x25a/0x2d0 fs/kernfs/file.c:352
call_write_iter include/linux/fs.h:2018 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x2da/0x660 fs/read_write.c:584
ksys_write+0xc6/0x170 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f711f539197
RSP: 002b:00007ffede73ad60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555585504500 RCX: 00007f711f539197
RDX: 0000000000000001 RSI: 00007ffede73add0 RDI: 0000000000000005
RBP: 00007f711f61588f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
R13: 00007ffede73add0 R14: 00007f7120334620 R15: 0000000000000003
INFO: task syz.5.2605:11346 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.2605 state:D stack:14440 pid:11346 ppid:3867 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x68e/0x960 kernel/sched/core.c:6701
schedule+0x54/0xc0 kernel/sched/core.c:6775
schedule_preempt_disabled+0x32/0x50 kernel/sched/core.c:6834
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x46d/0x9f0 kernel/locking/mutex.c:747
nsim_bus_dev_max_vfs_write+0x169/0x200 drivers/net/netdevsim/dev.c:275
full_proxy_write+0x87/0x110 fs/debugfs/file.c:244
vfs_write+0x21b/0x660 fs/read_write.c:582
ksys_write+0xc6/0x170 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa9b4aae019
RSP: 002b:00007fa9b490f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa9b4d35fa0 RCX: 00007fa9b4aae019
RDX: 0000000000000001 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007fa9b4b4500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa9b4d36038 R14: 00007fa9b4d35fa0 R15: 00007fff114cbcc8
INFO: task syz.2.2606:11350 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.2606 state:D stack:14440 pid:11350 ppid:3863 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x68e/0x960 kernel/sched/core.c:6701
schedule+0x54/0xc0 kernel/sched/core.c:6775
schedule_preempt_disabled+0x32/0x50 kernel/sched/core.c:6834
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x46d/0x9f0 kernel/locking/mutex.c:747
nsim_bus_dev_max_vfs_write+0x169/0x200 drivers/net/netdevsim/dev.c:275
full_proxy_write+0x87/0x110 fs/debugfs/file.c:244
vfs_write+0x21b/0x660 fs/read_write.c:582
ksys_write+0xc6/0x170 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fca10a7e019
RSP: 002b:00007fca108df028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fca10d05fa0 RCX: 00007fca10a7e019
RDX: 0000000000000001 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007fca10b1500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca10d06038 R14: 00007fca10d05fa0 R15: 00007ffd4bc23ae8
INFO: task syz.4.2607:11349 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.2607 state:D stack:14376 pid:11349 ppid:3861 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x68e/0x960 kernel/sched/core.c:6701
schedule+0x54/0xc0 kernel/sched/core.c:6775
schedule_preempt_disabled+0x32/0x50 kernel/sched/core.c:6834
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x46d/0x9f0 kernel/locking/mutex.c:747
nsim_bus_dev_max_vfs_write+0x169/0x200 drivers/net/netdevsim/dev.c:275
full_proxy_write+0x87/0x110 fs/debugfs/file.c:244
vfs_write+0x21b/0x660 fs/read_write.c:582
ksys_write+0xc6/0x170 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6a1c7de019
RSP: 002b:00007f6a1c63f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6a1ca65fa0 RCX: 00007f6a1c7de019
RDX: 0000000000000001 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f6a1c87500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a1ca66038 R14: 00007f6a1ca65fa0 R15: 00007ffed7f66228
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff839aa0b8 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
#0: ffffffff839aa0b8 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
#0: ffffffff839aa0b8 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 kernel/locking/lockdep.c:6633
2 locks held by getty/1904:
#0: ffff8881102e70a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x50 drivers/tty/tty_ldisc.c:243
#1: ffffc90003b9b2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x23b/0xba0 drivers/tty/n_tty.c:2217
7 locks held by syz-executor/10659:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff88810d370888 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
#4: ffff88810cf22130 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1094 [inline]
#4: ffff88810cf22130 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1174 [inline]
#4: ffff88810cf22130 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x5f/0x360 drivers/base/dd.c:1371
#5: ffff88810cf23250 (&devlink->lock_key#5){....}-{3:3}, at: nsim_drv_remove+0x28/0xb0 drivers/net/netdevsim/dev.c:1676
#6: ffff888114a205e0 (&sb->s_type->i_mutex_key#3/2){....}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline]
#6: ffff888114a205e0 (&sb->s_type->i_mutex_key#3/2){....}-{3:3}, at: simple_recursive_removal+0x1ce/0x3b0 fs/libfs.c:625
3 locks held by syz.5.2605/11346:
#0: ffff88811d02d6c8 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x154/0x170 fs/file.c:1040
#1: ffff888103a593f0 (sb_writers#9){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#2: ffff88810cf23250 (&devlink->lock_key#5){....}-{3:3}, at: nsim_bus_dev_max_vfs_write+0x169/0x200 drivers/net/netdevsim/dev.c:275
3 locks held by syz.2.2606/11350:
#0: ffff8881046b38c8 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x154/0x170 fs/file.c:1040
#1: ffff888103a593f0 (sb_writers#9){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#2: ffff88810cf23250 (&devlink->lock_key#5){....}-{3:3}, at: nsim_bus_dev_max_vfs_write+0x169/0x200 drivers/net/netdevsim/dev.c:275
3 locks held by syz.4.2607/11349:
#0: ffff888102b8dcc8 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x154/0x170 fs/file.c:1040
#1: ffff888103a593f0 (sb_writers#9){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#2: ffff88810cf23250 (&devlink->lock_key#5){....}-{3:3}, at: nsim_bus_dev_max_vfs_write+0x169/0x200 drivers/net/netdevsim/dev.c:275
4 locks held by syz-executor/11446:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888120143688 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/11447:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888120bcda88 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/11449:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888120bcdc88 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/11730:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888120143c88 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/11827:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888122952088 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/11829:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff88812262b888 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/11830:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888122952488 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/12111:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff888122952a88 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/12207:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff88811f002c88 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/12210:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff88810f73b888 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
4 locks held by syz-executor/12211:
#0: ffff8881027853f0 (sb_writers#8){....}-{0:0}, at: ksys_write+0xc6/0x170 fs/read_write.c:637
#1: ffff88811f003088 (&of->mutex){....}-{3:3}, at: kernfs_fop_write_iter+0x128/0x2d0 fs/kernfs/file.c:343
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff88810e2b2960 (kn->active#46){....}-{0:0}, at: kernfs_fop_write_iter+0x14c/0x2d0 fs/kernfs/file.c:344
#3: ffffffff83adc928 (nsim_bus_dev_list_lock){....}-{3:3}, at: del_device_store+0x7d/0x1a0 drivers/net/netdevsim/bus.c:209
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0xeb/0x180 lib/dump_stack.c:106
nmi_cpu_backtrace+0x224/0x240 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0xea/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x8d7/0x910 kernel/hung_task.c:379
kthread+0x114/0x140 kernel/kthread.c:388
ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:pv_native_safe_halt+0xf/0x10 arch/x86/kernel/paravirt.c:148
Code: b7 94 00 c3 cc cc cc cc cc cc cc f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 66 90 0f 00 2d 21 ba 35 00 fb f4 66 0f 1f 00 50 8b 37 83 e6 fe 0f 01 f9 66 90 48 c1 e2 20 48 09
RSP: 0018:ffffffff83803e88 EFLAGS: 000002c2
RAX: 932d19e07fa09900 RBX: 0000000000000000 RCX: 932d19e07fa09900
RDX: 0000000000000000 RSI: ffffffff834eb768 RDI: ffffffff835f33ef
RBP: 0000000000000000 R08: 0000000000000006 R09: 0000003d49fbc9ee
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8383a980 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a61514e9c CR3: 0000000102f93000 CR4: 00000000003506f0
Call Trace:
arch_safe_halt arch/x86/include/asm/paravirt.h:108 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:753
default_idle_call+0x35/0x50 kernel/sched/idle.c:97
cpuidle_idle_call kernel/sched/idle.c:178 [inline]
do_idle+0x191/0x2d0 kernel/sched/idle.c:302
cpu_startup_entry+0x24/0x30 kernel/sched/idle.c:401
rest_init+0xce/0xd0 init/main.c:705
arch_call_rest_init+0x9/0x10 init/main.c:801
start_kernel+0x340/0x340 init/main.c:1046
x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555
x86_64_start_kernel+0x5b/0x60 arch/x86/kernel/head64.c:536
secondary_startup_64_no_verify+0x167/0x16b