ci2 starts bisection 2025-12-18 21:48:17.076479888 +0000 UTC m=+1930709.253602955 bisecting fixing commit since f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe building syzkaller on f7988ea4935e2627f33bc73cf235f2c1942dce76 ensuring issue is reproducible on original commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: a4ae601aa48be490b7d2ee769efbb2c4bd042a0ac46247016b44e0a1ad7edc57 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #10: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #11: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #12: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #13: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #14: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #15: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #16: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #17: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #18: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #19: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8b3c6b65f66d672f2377eeecbc5e4cd6cf0168044b6c90e8324eca3368b76984 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 kconfig minimization: base=3829 full=7619 leaves diff=2131 split chunks (needed=false): <2131> split chunk #0 of len 2131 into 5 parts testing without sub-chunk 1/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 07deb19ad8244964e8c31f61f927bd2912d0434e71c1ad83b2c062613a96d310 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #2: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 2/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2b6f90253a073a7195c4fcd41937d07c82794f8e2226e78f893a08362ceff8d6 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 3/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9cf491427a68742f7d39d0d51ae1a3dc290f7338c03bf187af18e6ae2f7b7f5e run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: OK run #9: OK representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 4/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f25a59b31c62db6250bae77e0774682afa177fe95d7fac59165c9308e7456f8c run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: OK representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 5/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f9b5a36b348082098cd356364186cfead03e908d887b6d633f449d4e97aa6e40 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 minimized to 423 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO 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 USB_AMD5536UDC USB_ATM USB_CDNS3 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_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_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_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI 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_GPIO_VBUS 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_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA 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_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_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 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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_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER 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 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_STK1160_COMMON 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_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC 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 XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZBUD] testing current HEAD 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: dba855698d246c8d7d9421efc451eb400c0bd57a288d3972b11d732ca7465bb8 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect start 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe Bisecting: 283 revisions left to test after this (roughly 8 steps) [94a649487ee7249cdbf153b933285da2ca537377] clk: at91: clk-master: Add check for divide by 3 determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit 94a649487ee7249cdbf153b933285da2ca537377 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 796291cc60e5bc52476fb7a202ceaffdc0e8407585fa9fd3ac48e9020c1cacc6 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 94a649487ee7249cdbf153b933285da2ca537377 Bisecting: 141 revisions left to test after this (roughly 7 steps) [44a4833917370f110ece142642ae0f27a7ba1250] net/mlx5e: Preserve shared buffer capacity during headroom updates determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit 44a4833917370f110ece142642ae0f27a7ba1250 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2cc03440982e3e098f2c624d0a3dc024c5d92bc324ebdd7d27f66ff8e48844c7 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: OK run #7: OK run #8: OK run #9: OK unable to determine the verdict: 4 good runs (wanted 5), for bad wanted 5 in total, got 4 # git bisect skip 44a4833917370f110ece142642ae0f27a7ba1250 Bisecting: 141 revisions left to test after this (roughly 7 steps) [4443fc58fcc283a9a7aa73f2f30e427296612ec7] softirq: Add trace points for tasklet entry/exit determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit 4443fc58fcc283a9a7aa73f2f30e427296612ec7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d6eacb7d691e590a1f464b4b15d50c36b92c0308d0cc298ea5295e2f73fc3a73 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 4443fc58fcc283a9a7aa73f2f30e427296612ec7 Bisecting: 50 revisions left to test after this (roughly 6 steps) [2b60f866d4012fc24059f991e8599a240b0fd1ad] compiler_types: Move unused static inline functions warning to W=2 determine whether the revision contains the guilty commit revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable testing commit 2b60f866d4012fc24059f991e8599a240b0fd1ad gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 963997b04e42bd4cc1a496301386a4fa7a49ace39fff95311849762b28475847 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: OK representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 2b60f866d4012fc24059f991e8599a240b0fd1ad Bisecting: 25 revisions left to test after this (roughly 5 steps) [742fcc5ac0ca38bec8023dc50032c1cfffcb1c3e] net/sched: act_connmark: transition to percpu stats and rcu determine whether the revision contains the guilty commit revision 2b60f866d4012fc24059f991e8599a240b0fd1ad crashed and is reachable testing commit 742fcc5ac0ca38bec8023dc50032c1cfffcb1c3e gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: aa0d8d17bdbc1e0afe9662d4821286902e886ffadc72400889c30f94ddff050e run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 742fcc5ac0ca38bec8023dc50032c1cfffcb1c3e Bisecting: 12 revisions left to test after this (roughly 4 steps) [ec7ae58532e6345047e5fae7ef2909e3b49ccdd6] hsr: Fix supervision frame sending on HSRv0 determine whether the revision contains the guilty commit revision 2b60f866d4012fc24059f991e8599a240b0fd1ad crashed and is reachable testing commit ec7ae58532e6345047e5fae7ef2909e3b49ccdd6 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 057a883cdda250113a919337d77dc7d6a0d4f41eb3e4516b96bccb5fb9d5cc86 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good ec7ae58532e6345047e5fae7ef2909e3b49ccdd6 Bisecting: 5 revisions left to test after this (roughly 3 steps) [6df6ead6382d07dec752a91a30d953b7efa4e50b] ASoC: cs4271: Fix regulator leak on probe failure determine whether the revision contains the guilty commit revision 2b60f866d4012fc24059f991e8599a240b0fd1ad crashed and is reachable testing commit 6df6ead6382d07dec752a91a30d953b7efa4e50b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f455a274e3f941878cf4908c1b4f63ceddfcb7e2c8dc2de155db2c26f28629ff run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: OK representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 6df6ead6382d07dec752a91a30d953b7efa4e50b Bisecting: 2 revisions left to test after this (roughly 2 steps) [3adf79b427024c3bfb3585d31b281b4c26c74aba] NFSv4: Fix an incorrect parameter when calling nfs4_call_sync() determine whether the revision contains the guilty commit revision ec7ae58532e6345047e5fae7ef2909e3b49ccdd6 crashed and is reachable testing commit 3adf79b427024c3bfb3585d31b281b4c26c74aba gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 051b035fa816f016b9cd93ddc8b42e53f56d8598396d78b4448f3ee387812dee run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #2: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 3adf79b427024c3bfb3585d31b281b4c26c74aba Bisecting: 1 revision left to test after this (roughly 1 step) [2762d3ea9c929ca4094541ca517c317ffa94625b] ALSA: usb-audio: Fix NULL pointer dereference in snd_usb_mixer_controls_badd determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit 2762d3ea9c929ca4094541ca517c317ffa94625b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 82fa649abcb30f01b5d5781a2649064f9efbc18aeb36c0b9960f9ae88821c861 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #3: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: OK run #9: OK representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 2762d3ea9c929ca4094541ca517c317ffa94625b Bisecting: 0 revisions left to test after this (roughly 0 steps) [5e149d8a8e732126fb6014efd60075cf63a73f91] bpf: Add bpf_prog_run_data_pointers() determine whether the revision contains the guilty commit revision 3adf79b427024c3bfb3585d31b281b4c26c74aba crashed and is reachable testing commit 5e149d8a8e732126fb6014efd60075cf63a73f91 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5a4983f6d78ed4fc9faaf774fc62d9d9b4ddac7f5fceda6ddc1d99a5c3ef29a8 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #5: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #6: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #7: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #8: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset run #9: crashed: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset representative crash: KASAN: slab-out-of-bounds Write in stack_map_get_build_id_offset, types: [KASAN-WRITE] # git bisect good 5e149d8a8e732126fb6014efd60075cf63a73f91 4443fc58fcc283a9a7aa73f2f30e427296612ec7 is the first bad commit commit 4443fc58fcc283a9a7aa73f2f30e427296612ec7 Author: Sumanth Gavini Date: Tue Nov 11 21:16:20 2025 -0600 softirq: Add trace points for tasklet entry/exit commit f4bf3ca2e5cba655824b6e0893a98dfb33ed24e5 upstream. Tasklets are supposed to finish their work quickly and should not block the current running process, but it is not guaranteed that they do so. Currently softirq_entry/exit can be used to analyse the total tasklets execution time, but that's not helpful to track individual tasklets execution time. That makes it hard to identify tasklet functions, which take more time than expected. Add tasklet_entry/exit trace point support to track individual tasklet execution. Trivial usage example: # echo 1 > /sys/kernel/debug/tracing/events/irq/tasklet_entry/enable # echo 1 > /sys/kernel/debug/tracing/events/irq/tasklet_exit/enable # cat /sys/kernel/debug/tracing/trace # tracer: nop # # entries-in-buffer/entries-written: 4/4 #P:4 # # _-----=> irqs-off/BH-disabled # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / _-=> migrate-disable # |||| / delay # TASK-PID CPU# ||||| TIMESTAMP FUNCTION # | | | ||||| | | -0 [003] ..s1. 314.011428: tasklet_entry: tasklet=0xffffa01ef8db2740 function=tcp_tasklet_func -0 [003] ..s1. 314.011432: tasklet_exit: tasklet=0xffffa01ef8db2740 function=tcp_tasklet_func -0 [003] ..s1. 314.017369: tasklet_entry: tasklet=0xffffa01ef8db2740 function=tcp_tasklet_func -0 [003] ..s1. 314.017371: tasklet_exit: tasklet=0xffffa01ef8db2740 function=tcp_tasklet_func Signed-off-by: Lingutla Chandrasekhar Signed-off-by: J. Avila Signed-off-by: John Stultz Signed-off-by: Thomas Gleixner Reviewed-by: Steven Rostedt (Google) Link: https://lore.kernel.org/r/20230407230526.1685443-1-jstultz@google.com [elavila: Port to android-mainline] [jstultz: Rebased to upstream, cut unused trace points, added comments for the tracepoints, reworded commit] The intention is to keep the stable branch in sync with upstream fixes and improve observability without introducing new functionality. Signed-off-by: Sumanth Gavini Changes in V2: - No code changes - Link to V1: https://lore.kernel.org/all/20250812161755.609600-1-sumanth.gavini@yahoo.com/ - Updated the comment msg before the signed-off-by Signed-off-by: Sasha Levin include/trace/events/irq.h | 47 ++++++++++++++++++++++++++++++++++++++++++++++ kernel/softirq.c | 9 +++++++-- 2 files changed, 54 insertions(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: d6eacb7d691e590a1f464b4b15d50c36b92c0308d0cc298ea5295e2f73fc3a73 parent signature: 5a4983f6d78ed4fc9faaf774fc62d9d9b4ddac7f5fceda6ddc1d99a5c3ef29a8 revisions tested: 18, total time: 4h57m32.316422463s (build: 1h9m49.51943308s, test: 3h41m20.438313036s) first good commit: 4443fc58fcc283a9a7aa73f2f30e427296612ec7 softirq: Add trace points for tasklet entry/exit recipients (to): ["clingutla@codeaurora.org" "elavila@google.com" "jstultz@google.com" "rostedt@goodmis.org" "sashal@kernel.org" "sumanth.gavini@yahoo.com" "tglx@linutronix.de"] recipients (cc): []