ci2 starts bisection 2024-07-08 17:23:38.282847905 +0000 UTC m=+18949.275585306 bisecting fixing commit since 9d6bde853685609a631871d7c12be94fdf8d912e building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec ensuring issue is reproducible on original commit 9d6bde853685609a631871d7c12be94fdf8d912e testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b7c29f9245ec6af4618ffe284e1583cefe17936b2be96af53617becacce1386 all runs: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3df7c2302ffb62ea996b3995bdcf6d009b6df1e65adc735c819103d0d120d909 all runs: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=3703 full=7272 leaves diff=1986 split chunks (needed=false): <1986> split chunk #0 of len 1986 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f780c64a0c250ef301fc1368511b8b86d5959ca187b89e15d61f3014fa7d168c run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #4: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69e768b183b56993f7a4d264b0ef6095cd6b8b823afd497a33044ef658038224 run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #4: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #5: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #6: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #7: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #8: OK run #9: OK representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 171e93cc97a82619ddfe3b3376ac90625472d55ee764ee5b1f4d757219155a15 run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #4: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #5: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #6: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #7: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #8: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #9: OK representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5a96f07e49853d60693f7aa8718374a68172a1daf3ccd8777f6cfcee7d08edb run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f1e7692138307704812b9a64dfe6cefcfb3003e2de7c325fdb24fd53134f678 all runs: OK false negative chance: 0.000 minimized to 792 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB FRONTSWAP GENEVE GPIOLIB HAMRADIO HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP IRQ_REMAP L2TP LIBCRC32C LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTPLUG_SPARSE MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP 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USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 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_RNDIS_WLAN 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_ROLE_SWITCH 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_STKWEBCAM 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_REALTEK USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD 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_PLATFORM USB_XUSBATM USB_YUREX USB_ZR364XX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 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_STK1160_COMMON VIDEO_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2 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 VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK X86_SGX X86_X2APIC X86_X32 XARRAY_MULTI 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 XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD f45bea23c39cbd0d9b89d6b43563b02aa2dfe5de testing commit f45bea23c39cbd0d9b89d6b43563b02aa2dfe5de gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f4ff6eab2d34e82e2c83b4d6c989f9f689e258a1cedb5b3897a5a2d738ad8f5 run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.90 repro chance estimate) revisions tested: 8, total time: 2h6m58.71953636s (build: 37m39.392555493s, test: 1h27m45.606022121s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.162 crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: use-after-free in atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline] BUG: KASAN: use-after-free in usb_anchor_suspend_wakeups drivers/usb/core/urb.c:940 [inline] BUG: KASAN: use-after-free in usb_anchor_suspend_wakeups+0x1a/0x30 drivers/usb/core/urb.c:937 Write of size 4 at addr ffff8880753c0910 by task swapper/1/0 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x41/0x5e lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline] usb_anchor_suspend_wakeups drivers/usb/core/urb.c:940 [inline] usb_anchor_suspend_wakeups+0x1a/0x30 drivers/usb/core/urb.c:937 __usb_hcd_giveback_urb+0x1d2/0x3f0 drivers/usb/core/hcd.c:1661 dummy_timer+0x104d/0x2d20 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x159/0x370 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers.part.0+0x430/0x780 kernel/time/timer.c:1767 __run_timers kernel/time/timer.c:1745 [inline] run_timer_softirq+0x65/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x1ef/0x520 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu kernel/softirq.c:641 [inline] irq_exit_rcu+0xd0/0x110 kernel/softirq.c:653 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:40 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:75 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x180/0x1f0 drivers/acpi/processor_idle.c:570 Code: 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 55 48 8b 45 00 a8 08 75 c9 66 90 0f 00 2d 32 47 99 00 fb f4 5d c3 48 89 ef 5d e9 64 f5 ff ff e8 0f 1f 0c fc e9 99 fe ff ff RSP: 0018:ffffc90000d57d30 EFLAGS: 00000246 RAX: 0000000000004000 RBX: ffff88800e196065 RCX: ffffffff85666246 RDX: 1ffff11027fc5ae0 RSI: 0000000000000008 RDI: ffff88813fe2d700 RBP: ffff88813fe2d700 R08: 0000000000000000 R09: ffff88813fe2d707 R10: ffffed1027fc5ae0 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88800e196064 R14: ffff8881415e6804 R15: ffffffff8740a640 acpi_idle_enter+0x299/0x460 drivers/acpi/processor_idle.c:705 cpuidle_enter_state+0x13d/0xa80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x45/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x381/0x500 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_secondary+0x20d/0x2b0 arch/x86/kernel/smpboot.c:281 secondary_startup_64_no_verify+0xb0/0xbb Allocated by task 3621: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0x7c/0x90 mm/kasan/common.c:522 kmalloc include/linux/slab.h:591 [inline] kzalloc include/linux/slab.h:721 [inline] usbtmc_open+0x98/0x920 drivers/usb/class/usbtmc.c:175 usb_open+0x1b1/0x240 drivers/usb/core/file.c:48 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x46a/0x10e0 fs/open.c:826 do_open fs/namei.c:3608 [inline] path_openat+0x1542/0x2360 fs/namei.c:3742 do_filp_open+0x199/0x3d0 fs/namei.c:3769 do_sys_openat2+0x11e/0x400 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1280 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 3621: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] __kasan_slab_free+0xe0/0x110 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook mm/slub.c:1731 [inline] slab_free mm/slub.c:3499 [inline] kfree+0xd0/0x4e0 mm/slub.c:4559 usbtmc_release+0x237/0x340 drivers/usb/class/usbtmc.c:261 __fput+0x1f0/0x9a0 fs/file_table.c:280 task_work_run+0xb8/0x140 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:181 [inline] exit_to_user_mode_prepare+0x15d/0x160 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:307 do_syscall_64+0x40/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff8880753c0800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 272 bytes inside of 1024-byte region [ffff8880753c0800, ffff8880753c0c00) The buggy address belongs to the page: page:ffffea0001d4f000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x753c0 head:ffffea0001d4f000 order:3 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 0000000800000001 ffff888009c41dc0 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 2181, ts 78823218688, free_ts 78821763577 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x12d1/0x2d40 mm/page_alloc.c:4159 __alloc_pages+0x1b2/0x440 mm/page_alloc.c:5423 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab+0x2eb/0x430 mm/slub.c:1912 new_slab mm/slub.c:1975 [inline] ___slab_alloc+0xa4b/0xfe0 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] __kmalloc_node_track_caller+0x18e/0x490 mm/slub.c:4958 kmalloc_reserve net/core/skbuff.c:356 [inline] __alloc_skb+0x8b/0x280 net/core/skbuff.c:427 alloc_skb include/linux/skbuff.h:1167 [inline] nlmsg_new include/net/netlink.h:953 [inline] rtmsg_fib+0x10b/0x4f0 net/ipv4/fib_semantics.c:520 fib_table_insert+0x68f/0x1fc0 net/ipv4/fib_trie.c:1398 fib_magic.isra.0+0x241/0x2e0 net/ipv4/fib_frontend.c:1093 fib_add_ifaddr+0x519/0x6d0 net/ipv4/fib_frontend.c:1137 fib_netdev_event+0x22b/0x400 net/ipv4/fib_frontend.c:1475 notifier_call_chain+0xd1/0x150 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:2018 [inline] call_netdevice_notifiers_info net/core/dev.c:2003 [inline] call_netdevice_notifiers_extack net/core/dev.c:2030 [inline] call_netdevice_notifiers net/core/dev.c:2044 [inline] __dev_notify_flags+0x2cb/0x340 net/core/dev.c:8851 dev_change_flags+0xf6/0x150 net/core/dev.c:8889 do_setlink+0x81b/0x2df0 net/core/rtnetlink.c:2741 __rtnl_newlink+0xa9e/0x1390 net/core/rtnetlink.c:3429 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare+0x379/0x850 mm/page_alloc.c:1391 free_unref_page_prepare mm/page_alloc.c:3317 [inline] free_unref_page+0x19/0x4b0 mm/page_alloc.c:3396 __unfreeze_partials+0x2b9/0x2d0 mm/slub.c:2507 qlink_free mm/kasan/quarantine.c:157 [inline] qlist_free_all+0x68/0x110 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x180/0x1f0 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x73/0x80 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3220 [inline] kmem_cache_alloc_node+0x23d/0x390 mm/slub.c:3256 __alloc_skb+0x153/0x280 net/core/skbuff.c:415 alloc_skb include/linux/skbuff.h:1167 [inline] alloc_skb_with_frags+0x72/0x4a0 net/core/skbuff.c:6170 sock_alloc_send_pskb+0x62a/0x7b0 net/core/sock.c:2530 mld_newpack.isra.0+0x19b/0x800 net/ipv6/mcast.c:1748 add_grhead+0x265/0x350 net/ipv6/mcast.c:1851 add_grec+0xb4d/0xdf0 net/ipv6/mcast.c:1989 mld_send_cr net/ipv6/mcast.c:2115 [inline] mld_ifc_work+0x430/0xc20 net/ipv6/mcast.c:2653 process_one_work+0x800/0x11d0 kernel/workqueue.c:2310 worker_thread+0x4a0/0xdd0 kernel/workqueue.c:2457 Memory state around the buggy address: ffff8880753c0800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880753c0880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880753c0900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880753c0980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880753c0a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 48 89 ea mov %rbp,%rdx 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 c1 ea 03 shr $0x3,%rdx 11: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 15: 75 55 jne 0x6c 17: 48 8b 45 00 mov 0x0(%rbp),%rax 1b: a8 08 test $0x8,%al 1d: 75 c9 jne 0xffffffe8 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 32 47 99 00 verw 0x994732(%rip) # 0x99475a 28: fb sti 29: f4 hlt * 2a: fa cli <-- trapping instruction 2b: 5d pop %rbp 2c: c3 ret 2d: 48 89 ef mov %rbp,%rdi 30: 5d pop %rbp 31: e9 64 f5 ff ff jmp 0xfffff59a 36: e8 0f 1f 0c fc call 0xfc0c1f4a 3b: e9 99 fe ff ff jmp 0xfffffed9