ci starts bisection 2025-09-22 21:27:45.375544691 +0000 UTC m=+41853.470301702
bisecting fixing commit since d006330be3f782ff3fb7c3ed51e617e01f29a465
building syzkaller on abade7941e7b8a888e052cda1a92805ab785c77e
ensuring issue is reproducible on original commit d006330be3f782ff3fb7c3ed51e617e01f29a465
testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: efa8035eba8df1ddf0894b2846eadfb1b45cf9ced9916c27d05e55947b8884d7
run #0: crashed: INFO: task hung in xfs_setfilesize
run #1: crashed: INFO: task hung in xfs_setfilesize
run #2: crashed: INFO: task hung in xfs_setfilesize
run #3: crashed: INFO: task hung in xfs_setfilesize
run #4: crashed: INFO: task hung in xfs_setfilesize
run #5: crashed: INFO: task hung in xfs_setfilesize
run #6: crashed: INFO: task hung in xfs_setfilesize
run #7: crashed: INFO: task hung in process_measurement
run #8: crashed: INFO: task hung in xfs_setfilesize
run #9: crashed: INFO: task hung in process_measurement
run #10: crashed: INFO: task hung in xfs_setfilesize
run #11: crashed: INFO: task hung in xfs_setfilesize
run #12: crashed: INFO: task hung in xfs_setfilesize
run #13: crashed: INFO: task hung in xfs_trans_alloc_inode
run #14: crashed: INFO: task hung in process_measurement
run #15: crashed: INFO: task hung in xfs_trans_alloc_inode
run #16: crashed: INFO: task hung in xfs_setfilesize
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in xfs_setfilesize, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed
testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ea27fee68ae54f3b389c5f99941f1d173d9bedb7675552a2967044b5338e5459
run #0: crashed: INFO: task hung in xfs_setfilesize
run #1: crashed: INFO: task hung in xfs_setfilesize
run #2: crashed: INFO: task hung in process_measurement
run #3: crashed: INFO: task hung in xfs_setfilesize
run #4: crashed: INFO: task hung in xfs_setfilesize
run #5: crashed: INFO: task hung in process_measurement
run #6: crashed: INFO: task hung in xfs_setfilesize
run #7: crashed: INFO: task hung in process_measurement
run #8: crashed: INFO: task hung in xfs_setfilesize
run #9: OK
representative crash: INFO: task hung in xfs_setfilesize, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed
kconfig minimization: base=4099 full=8481 leaves diff=2183
split chunks (needed=false): <2183>
split chunk #0 of len 2183 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 d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e471ef505deec74d83605be56d033afa96d586d2a69aaea796ba779385e8c89a
run #0: crashed: INFO: task hung in xfs_trans_alloc_inode
run #1: crashed: INFO: task hung in xfs_setfilesize
run #2: crashed: INFO: task hung in xfs_setfilesize
run #3: crashed: INFO: task hung in xfs_setfilesize
run #4: crashed: INFO: task hung in xfs_setfilesize
run #5: crashed: INFO: task hung in process_measurement
run #6: crashed: INFO: task hung in xfs_setfilesize
run #7: crashed: INFO: task hung in xfs_setfilesize
run #8: crashed: INFO: task hung in xfs_setfilesize
run #9: OK
representative crash: INFO: task hung in xfs_trans_alloc_inode, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 5c76f8eea4e1762d50a7f5b8a421dabbcef13652c7c6d2af5902fd0a60322acf
all runs: crashed: INFO: task hung in xfs_setfilesize
representative crash: INFO: task hung in xfs_setfilesize, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed
testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: a7646d82ebf513575b9477588ffa467f913aa4b2c311c23283608ff8e3b50874
run #0: crashed: INFO: task hung in xfs_setfilesize
run #1: crashed: INFO: task hung in xfs_setfilesize
run #2: crashed: INFO: task hung in xfs_setfilesize
run #3: crashed: INFO: task hung in xfs_setfilesize
run #4: crashed: INFO: task hung in xfs_setfilesize
run #5: crashed: INFO: task hung in xfs_setfilesize
run #6: crashed: INFO: task hung in xfs_setfilesize
run #7: crashed: INFO: task hung in xfs_trans_alloc_inode
run #8: crashed: INFO: task hung in xfs_setfilesize
run #9: crashed: INFO: task hung in xfs_setfilesize
representative crash: INFO: task hung in xfs_setfilesize, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: b061e9b816591510187c21d40fb58b2e69f186336ac9a780ba1257c8bf2677a5
run #0: crashed: INFO: task hung in xfs_setfilesize
run #1: crashed: INFO: task hung in xfs_map_blocks
run #2: crashed: INFO: task hung in xfs_setfilesize
run #3: crashed: INFO: task hung in xfs_setfilesize
run #4: crashed: INFO: task hung in xfs_setfilesize
run #5: crashed: INFO: task hung in xfs_file_fsync
run #6: crashed: INFO: task hung in xfs_setfilesize
run #7: crashed: INFO: task hung in xfs_setfilesize
run #8: crashed: INFO: task hung in xfs_setfilesize
run #9: OK
representative crash: INFO: task hung in xfs_setfilesize, 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 d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c059ba0927f2372023d2f7f54b4a2414d3a56c0a6838135514d75cea3dfe4cf3
all runs: OK
false negative chance: 0.000
minimized to 435 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USBIP_CORE USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_MIDI2 USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC]
disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed
testing current HEAD cec1e6e5d1ab33403b809f79cd20d6aff124ccfe
testing commit cec1e6e5d1ab33403b809f79cd20d6aff124ccfe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 360050ccc5dd5109178d1a6cba3b752d89a5c6dabec4427ca85f83246f7694e7
run #0: crashed: INFO: task hung in xfs_setfilesize
run #1: crashed: INFO: task hung in xfs_setfilesize
run #2: crashed: INFO: task hung in xfs_setfilesize
run #3: crashed: INFO: task hung in xfs_setfilesize
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in xfs_setfilesize, types: [HANG]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.90 repro chance estimate)
revisions tested: 8, total time: 4h40m54.450745502s (build: 3h3m8.611794923s, test: 1h27m31.185158395s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'sched_ext-for-6.17-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
crash: INFO: task hung in xfs_setfilesize
INFO: task kworker/1:2:983 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:13160 pid:983 tgid:983 ppid:2 task_flags:0x4248060 flags:0x00004000
Workqueue: xfs-conv/loop2 xfs_end_io
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x74f/0xc50 kernel/sched/core.c:6961
__schedule_loop kernel/sched/core.c:7043 [inline]
schedule+0xac/0x140 kernel/sched/core.c:7058
schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:7115
rwsem_down_write_slowpath+0x2e2/0x6f0 kernel/locking/rwsem.c:1185
__down_write_common kernel/locking/rwsem.c:1317 [inline]
__down_write kernel/locking/rwsem.c:1326 [inline]
down_write_nested+0x65/0x90 kernel/locking/rwsem.c:1707
xfs_setfilesize+0x5b/0x170 fs/xfs/xfs_aops.c:65
xfs_end_ioend+0x127/0x1c0 fs/xfs/xfs_aops.c:164
xfs_end_io+0xab/0xf0 fs/xfs/xfs_aops.c:205
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0x2e7/0x5e0 kernel/workqueue.c:3319
worker_thread+0x20a/0x2f0 kernel/workqueue.c:3400
kthread+0x203/0x230 kernel/kthread.c:463
ret_from_fork+0xd2/0x1a0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.2.25:5069 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.25 state:D stack:11360 pid:5069 tgid:5067 ppid:3630 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x74f/0xc50 kernel/sched/core.c:6961
__schedule_loop kernel/sched/core.c:7043 [inline]
schedule+0xac/0x140 kernel/sched/core.c:7058
io_schedule+0x3f/0x60 kernel/sched/core.c:7903
folio_wait_bit_common+0x1d9/0x390 mm/filemap.c:1317
folio_wait_writeback+0x2d/0xb0 mm/page-writeback.c:3124
__filemap_fdatawait_range mm/filemap.c:539 [inline]
file_write_and_wait_range+0x1a5/0x1d0 mm/filemap.c:798
xfs_file_fsync+0x8c/0x2b0 fs/xfs/xfs_file.c:140
generic_write_sync include/linux/fs.h:3043 [inline]
xfs_file_buffered_write+0x271/0x2b0 fs/xfs/xfs_file.c:1019
do_iter_readv_writev+0x19f/0x1e0 fs/read_write.c:-1
vfs_writev+0x237/0x4d0 fs/read_write.c:1057
do_pwritev fs/read_write.c:1153 [inline]
__do_sys_pwritev2 fs/read_write.c:1211 [inline]
__se_sys_pwritev2+0x65/0x100 fs/read_write.c:1202
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2e42aae929
RSP: 002b:00007f2e4251f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f2e42cd5fa0 RCX: 00007f2e42aae929
RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004
RBP: 00007f2e42b30b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2e42cd5fa0 R15: 00007ffeff8c1c38
Showing all locks held in the system:
4 locks held by kworker/0:0/9:
#0: ffff88812c466948 ((wq_completion)xfs-conv/loop9#11){....}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88812c466948 ((wq_completion)xfs-conv/loop9#11){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 kernel/workqueue.c:3319
#1: ffffc90000053e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90000053e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 kernel/workqueue.c:3319
#2: ffff88810174a5f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d6a6a18 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
4 locks held by kworker/0:1/11:
#0: ffff888137678d48 ((wq_completion)xfs-conv/loop3){....}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff888137678d48 ((wq_completion)xfs-conv/loop3){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 kernel/workqueue.c:3319
#1: ffffc90000063e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90000063e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 kernel/workqueue.c:3319
#2: ffff888130b905f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d730818 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_setfilesize+0x5b/0x170 fs/xfs/xfs_aops.c:65
1 lock held by khungtaskd/31:
#0: ffffffff8378e530 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8378e530 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8378e530 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 kernel/locking/lockdep.c:6775
4 locks held by kworker/1:1/37:
#0: ffff888119d15548 ((wq_completion)xfs-conv/loop4#14){....}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff888119d15548 ((wq_completion)xfs-conv/loop4#14){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 kernel/workqueue.c:3319
#1: ffffc9000013fe48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc9000013fe48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 kernel/workqueue.c:3319
#2: ffff888114ac75f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d6a6318 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_setfilesize+0x5b/0x170 fs/xfs/xfs_aops.c:65
4 locks held by kworker/1:2/983:
#0: ffff88811edcf148 ((wq_completion)xfs-conv/loop2#2){....}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88811edcf148 ((wq_completion)xfs-conv/loop2#2){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 kernel/workqueue.c:3319
#1: ffffc90001257e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90001257e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 kernel/workqueue.c:3319
#2: ffff888114fef5f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d69b218 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_setfilesize+0x5b/0x170 fs/xfs/xfs_aops.c:65
2 locks held by getty/2741:
#0: ffff8881017120a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243
#1: ffffc90008cdb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1c3/0x6e0 drivers/tty/n_tty.c:2222
4 locks held by kworker/0:3/3078:
#0: ffff88811a6b7b48 ((wq_completion)xfs-conv/loop1){....}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88811a6b7b48 ((wq_completion)xfs-conv/loop1){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 kernel/workqueue.c:3319
#1: ffffc90007413e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90007413e48 ((work_completion)(&ip->i_ioend_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 kernel/workqueue.c:3319
#2: ffff88811a7745f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d69ce18 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
2 locks held by syz-executor/3624:
#0: ffff88810174b0e0 (&type->s_umount_key#47){....}-{3:3}, at: __super_lock fs/super.c:57 [inline]
#0: ffff88810174b0e0 (&type->s_umount_key#47){....}-{3:3}, at: __super_lock_excl fs/super.c:72 [inline]
#0: ffff88810174b0e0 (&type->s_umount_key#47){....}-{3:3}, at: deactivate_super+0x33/0x40 fs/super.c:506
#1: ffffffff836a2f00 (wq_pool_mutex){....}-{3:3}, at: destroy_workqueue+0xa3/0x3e0 kernel/workqueue.c:5889
1 lock held by syz.2.25/5069:
#0: ffff888114fef400 (sb_writers#12){....}-{0:0}, at: do_pwritev fs/read_write.c:1153 [inline]
#0: ffff888114fef400 (sb_writers#12){....}-{0:0}, at: __do_sys_pwritev2 fs/read_write.c:1211 [inline]
#0: ffff888114fef400 (sb_writers#12){....}-{0:0}, at: __se_sys_pwritev2+0x65/0x100 fs/read_write.c:1202
4 locks held by syz.2.25/5111:
#0: ffff888114fef400 (sb_writers#12){....}-{0:0}, at: filename_setxattr+0x8c/0x1f0 fs/xattr.c:663
#1: ffff88811d69b430 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: inode_lock include/linux/fs.h:870 [inline]
#1: ffff88811d69b430 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: vfs_setxattr+0xbb/0x170 fs/xattr.c:320
#2: ffff888114fef5f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d69b218 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
4 locks held by syz.5.36/5231:
#0: ffff88811b6fa400 (sb_writers#12){....}-{0:0}, at: filename_setxattr+0x8c/0x1f0 fs/xattr.c:663
#1: ffff888117664230 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: inode_lock include/linux/fs.h:870 [inline]
#1: ffff888117664230 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: vfs_setxattr+0xbb/0x170 fs/xattr.c:320
#2: ffff88811b6fa5f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff888117664018 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
4 locks held by syz.8.113/6496:
1 lock held by syz.9.153/6875:
#0: ffff88810174a400 (sb_writers#12){....}-{0:0}, at: do_pwritev fs/read_write.c:1153 [inline]
#0: ffff88810174a400 (sb_writers#12){....}-{0:0}, at: __do_sys_pwritev2 fs/read_write.c:1211 [inline]
#0: ffff88810174a400 (sb_writers#12){....}-{0:0}, at: __se_sys_pwritev2+0x65/0x100 fs/read_write.c:1202
4 locks held by syz.9.153/6915:
#0: ffff88810174a400 (sb_writers#12){....}-{0:0}, at: filename_setxattr+0x8c/0x1f0 fs/xattr.c:663
#1: ffff88811d6a6c30 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: inode_lock include/linux/fs.h:870 [inline]
#1: ffff88811d6a6c30 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: vfs_setxattr+0xbb/0x170 fs/xattr.c:320
#2: ffff88810174a5f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d6a6a18 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
1 lock held by syz.4.169/7133:
#0: ffff888114ac7400 (sb_writers#12){....}-{0:0}, at: do_pwritev fs/read_write.c:1153 [inline]
#0: ffff888114ac7400 (sb_writers#12){....}-{0:0}, at: __do_sys_pwritev2 fs/read_write.c:1211 [inline]
#0: ffff888114ac7400 (sb_writers#12){....}-{0:0}, at: __se_sys_pwritev2+0x65/0x100 fs/read_write.c:1202
4 locks held by syz.4.169/7186:
#0: ffff888114ac7400 (sb_writers#12){....}-{0:0}, at: filename_setxattr+0x8c/0x1f0 fs/xattr.c:663
#1: ffff88811d6a6530 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: inode_lock include/linux/fs.h:870 [inline]
#1: ffff88811d6a6530 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: vfs_setxattr+0xbb/0x170 fs/xattr.c:320
#2: ffff888114ac75f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d6a6318 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
1 lock held by syz.1.235/8394:
#0: ffff88811a774400 (sb_writers#12){....}-{0:0}, at: do_pwritev fs/read_write.c:1153 [inline]
#0: ffff88811a774400 (sb_writers#12){....}-{0:0}, at: __do_sys_pwritev2 fs/read_write.c:1211 [inline]
#0: ffff88811a774400 (sb_writers#12){....}-{0:0}, at: __se_sys_pwritev2+0x65/0x100 fs/read_write.c:1202
4 locks held by syz.1.235/8423:
#0: ffff88811a774400 (sb_writers#12){....}-{0:0}, at: filename_setxattr+0x8c/0x1f0 fs/xattr.c:663
#1: ffff88811d69d030 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: inode_lock include/linux/fs.h:870 [inline]
#1: ffff88811d69d030 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: vfs_setxattr+0xbb/0x170 fs/xattr.c:320
#2: ffff88811a7745f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d69ce18 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
4 locks held by syz.7.321/9003:
1 lock held by syz.3.470/10147:
#0: ffff888130b90400 (sb_writers#12){....}-{0:0}, at: do_pwritev fs/read_write.c:1153 [inline]
#0: ffff888130b90400 (sb_writers#12){....}-{0:0}, at: __do_sys_pwritev2 fs/read_write.c:1211 [inline]
#0: ffff888130b90400 (sb_writers#12){....}-{0:0}, at: __se_sys_pwritev2+0x65/0x100 fs/read_write.c:1202
4 locks held by syz.3.470/10180:
#0: ffff888130b90400 (sb_writers#12){....}-{0:0}, at: filename_setxattr+0x8c/0x1f0 fs/xattr.c:663
#1: ffff88811d730a30 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: inode_lock include/linux/fs.h:870 [inline]
#1: ffff88811d730a30 (&sb->s_type->i_mutex_key#16){....}-{3:3}, at: vfs_setxattr+0xbb/0x170 fs/xattr.c:320
#2: ffff888130b905f0 (sb_internal#2){....}-{0:0}, at: xfs_trans_alloc+0x47/0x200 fs/xfs/xfs_trans.c:256
#3: ffff88811d730818 (&xfs_nondir_ilock_class){....}-{3:3}, at: xfs_trans_alloc_inode+0xa3/0x220 fs/xfs/xfs_trans.c:1081
2 locks held by syz.0.675/11140:
#0: ffff8881335ee0e0 (&type->s_umount_key#46/1){....}-{3:3}, at: alloc_super+0xd2/0x3b0 fs/super.c:345
#1: ffffffff836a2f00 (wq_pool_mutex){....}-{3:3}, at: apply_wqattrs_lock kernel/workqueue.c:5179 [inline]
#1: ffffffff836a2f00 (wq_pool_mutex){....}-{3:3}, at: __alloc_workqueue+0x310/0x8e0 kernel/workqueue.c:5734
2 locks held by syz.9.680/11149:
3 locks held by syz.8.681/11151:
2 locks held by syz.2.682/11153:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(none)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
dump_stack_lvl+0xa2/0xf0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x109/0x170 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x8e/0x140 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline]
watchdog+0x581/0x5b0 kernel/hung_task.c:491
kthread+0x203/0x230 kernel/kthread.c:463
ret_from_fork+0xd2/0x1a0 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: 11151 Comm: syz.8.681 Not tainted syzkaller #0 PREEMPT(none)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline]
RIP: 0010:lock_release+0x214/0x2f0 kernel/locking/lockdep.c:5891
Code: 89 c5 7f d0 4c 89 ff 4c 89 f6 48 8b 54 24 10 e8 c2 21 00 00 48 8b 5c 24 08 48 c7 c7 84 67 2e 83 e8 61 e3 46 01 b8 ff ff ff ff <65> 0f c1 05 8c 81 0b 03 83 f8 01 74 17 48 c7 c7 62 db 18 83 e8 43
RSP: 0018:ffffc900080bf7b0 EFLAGS: 00000086
RAX: 00000000ffffffff RBX: 0000000000000202 RCX: 8a0c11137f4fa900
RDX: ffffc900080bc000 RSI: ffffffff832e6784 RDI: ffffffff83221096
RBP: ffff8881376e2610 R08: ffffc900080bf8b0 R09: ffffffff83cd97a4
R10: ffffffff82865628 R11: ffffffff81450cf0 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff8378e530 R15: ffff8881376e1bc0
FS: 00007f8bedabf6c0(0000) GS:ffff8882b3763000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c05ffff CR3: 0000000114f2d000 CR4: 0000000000350ef0
Call Trace:
rcu_lock_release include/linux/rcupdate.h:341 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xb4f/0xd00 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x46/0x70 kernel/stacktrace.c:122
save_stack+0xf3/0x150 mm/page_owner.c:156
__reset_page_owner+0x41/0xe0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
free_unref_folios+0x50f/0x870 mm/page_alloc.c:2952
folios_put_refs+0x11a/0x160 mm/swap.c:999
folio_batch_release include/linux/pagevec.h:101 [inline]
shmem_undo_range+0x1b1/0x670 mm/shmem.c:1157
shmem_truncate_range mm/shmem.c:1269 [inline]
shmem_evict_inode+0x129/0x2e0 mm/shmem.c:1397
evict+0x1e4/0x3a0 fs/inode.c:810
__dentry_kill+0xa3/0x1e0 fs/dcache.c:669
dput+0xa7/0xf0 fs/dcache.c:911
__fput+0x1a2/0x290 fs/file_table.c:476
__do_sys_close fs/open.c:1587 [inline]
__se_sys_close+0x76/0xe0 fs/open.c:1572
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8bee04d58a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24
RSP: 002b:00007f8bedabee00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f8bee04d58a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000010 R08: 0000000000000000 R09: 000000000000985e
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f8bedabeef0 R14: 00007f8bedabeeb0 R15: 00007f8be569f000