ci starts bisection 2023-11-18 06:19:34.419240431 +0000 UTC m=+391337.394406251 bisecting cause commit starting from 76df934c6d5f5c93ba7a0112b1818620ddc10b19 building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759 ensuring issue is reproducible on original commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3345646ef9ed477cd77846db320e8b2cc5c1d26388808fd3ce2bc3f6ea31eea all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fc8402280b2ce5f52fc3bedf14b56bf945520158c1645bce23b8b5f0fd032597 all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3923 full=7658 leaves diff=2007 split chunks (needed=false): <2007> split chunk #0 of len 2007 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: efbed4c4d2f5018dc133f55ede426512e9d5e483b6a544568cf9747507f320b6 all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2a570a2f04091e9fcd3493f8c331309b3ea92b941530f644a0dea1e5fc4399a all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f0eaa1e393ffc6f685c6ebd31d7b1c5b91c250439c167840024dfe915f00fa48 all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb8cc694e495ac38a299abd27b041b62dcd578d48c656b5ed945b1e6c0f34b7c all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 76df934c6d5f5c93ba7a0112b1818620ddc10b19 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8be6a17022eb49a64c0cf1da328a5dfd62bda54b3c74c24cade419909617b9a5 all runs: OK false negative chance: 0.000 minimized to 399 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 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 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_CONFIGFS 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_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_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T 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_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_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 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_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 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_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 VDPA_USER VETH VFIO VFIO_DEVICE_CDEV 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_TASK 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_CMDLINE 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_NOMODESET 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_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI 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 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA 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_ZSMALLOC] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 692f5158814a1d4edcc18e596c47ddec7c1522c817a1366839994fe0a99edf92 all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d717b36234da3c63e4ecff264b873d78191baf579a12d09ad30938c4a7b5d40b all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70844e17daebe02bbe093f1cedebf066f4f678309c5f53024809ed5f730c892d all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4dae763cc307e3c9634f59baa09b43775efbaa62bab9f4928b2dcd4fdf595a5d all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b4d385b0d330fc9de551ddbb612a13a4d93ba28a82d325c5c8659824bd6459ad all runs: OK false negative chance: 0.000 # git bisect start c9c3395d5e3dcc6daee66c6908354d47bf98cb0c 4fe89d07dcc2804c8b562f6c7896a45643d34b2f Bisecting: 16118 revisions left to test after this (roughly 14 steps) [fe8f5b2f7bec504021b395d24f7efca415d21e2b] Merge tag 'amd-drm-fixes-6.2-2022-12-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-next testing commit fe8f5b2f7bec504021b395d24f7efca415d21e2b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7edc1cead6265245bacc0725dd36122582c499ef29f22de8fc612d9aaa822a6d all runs: OK false negative chance: 0.000 # git bisect good fe8f5b2f7bec504021b395d24f7efca415d21e2b Bisecting: 7173 revisions left to test after this (roughly 13 steps) [7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91] Merge tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7aac89358f2b901b123bf724554c39095a93e0a4340c81bf09e9622804e9cb0d all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] # git bisect bad 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 Bisecting: 4534 revisions left to test after this (roughly 12 steps) [8715c6d3100fc7c6edddf29af4a399a1c12d028c] Merge tag 'for-6.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm testing commit 8715c6d3100fc7c6edddf29af4a399a1c12d028c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df8259ba0fdc23a160652951312908a60545398027cd7c0bfc136f52f997d2f3 all runs: OK false negative chance: 0.000 # git bisect good 8715c6d3100fc7c6edddf29af4a399a1c12d028c Bisecting: 2279 revisions left to test after this (roughly 11 steps) [3ef3ace4e2ecf4aa4c8ddff1d35683671a09b05e] Merge tag 'x86_cpu_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 3ef3ace4e2ecf4aa4c8ddff1d35683671a09b05e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e6d3875c886343f224dca359a1a4ed74fec5fa04da52045c6adc07b6a37b3432 all runs: OK false negative chance: 0.000 # git bisect good 3ef3ace4e2ecf4aa4c8ddff1d35683671a09b05e Bisecting: 1139 revisions left to test after this (roughly 10 steps) [6830604ec0c73ff8ecafb48046db7332210e58fd] dt-bindings: describe the support of "clock-frequency" in mdio testing commit 6830604ec0c73ff8ecafb48046db7332210e58fd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d95a2884e956bc95d1657f6c24fe848649ebb399b45331ae89442b48711beadb all runs: OK false negative chance: 0.000 # git bisect good 6830604ec0c73ff8ecafb48046db7332210e58fd Bisecting: 569 revisions left to test after this (roughly 9 steps) [6009b61f80e0b87b06f56a9bf16a32b6f562f822] net: microchip: vcap: Add vcap_rule_get_key_u32 testing commit 6009b61f80e0b87b06f56a9bf16a32b6f562f822 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4da073efe0f0fe17f3dba1a08ef9a154107dadf4e3ce643352ca3e3ce8af1ceb all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] # git bisect bad 6009b61f80e0b87b06f56a9bf16a32b6f562f822 Bisecting: 284 revisions left to test after this (roughly 8 steps) [d11c0ec2b831ee8420ff042819edeec7b5bb2418] net/mlx5e: Delete always true DMA check testing commit d11c0ec2b831ee8420ff042819edeec7b5bb2418 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd2ba2b4853789812b3c5a1ea166fea9da11ba9a4f5e51e861fc04a0f436709b all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] # git bisect bad d11c0ec2b831ee8420ff042819edeec7b5bb2418 Bisecting: 173 revisions left to test after this (roughly 7 steps) [469d258d9e112fb7ed51a3b35c0c85ee106331e8] Revert "net: stmmac: use sysfs_streq() instead of strncmp()" testing commit 469d258d9e112fb7ed51a3b35c0c85ee106331e8 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6414271cac5350e99f668798ee2925851e148a5caf933471fadcfcb06998a0d1 all runs: OK false negative chance: 0.000 # git bisect good 469d258d9e112fb7ed51a3b35c0c85ee106331e8 Bisecting: 86 revisions left to test after this (roughly 7 steps) [2fcc6081a7bf8f7f531cffdc58b630b822e700a1] bpf: Don't use idx variable when registering kfunc dtors testing commit 2fcc6081a7bf8f7f531cffdc58b630b822e700a1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b1cfebd1cd60a81e072f31fa7f3da79f38e13a370f30e949c5eb26c39535a9f2 all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] # git bisect bad 2fcc6081a7bf8f7f531cffdc58b630b822e700a1 Bisecting: 43 revisions left to test after this (roughly 6 steps) [8cab76ec634995e59a8b6346bf8b835ab7fad3a3] bpf: Introduce single ownership BPF linked list API testing commit 8cab76ec634995e59a8b6346bf8b835ab7fad3a3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1284e3fdb33a36ca51f0005ae3c9bc28d9b220f4aea7252bc1bc935764a745f5 all runs: OK false negative chance: 0.000 # git bisect good 8cab76ec634995e59a8b6346bf8b835ab7fad3a3 Bisecting: 21 revisions left to test after this (roughly 5 steps) [a35b9af4ec2c7f69286ef861fd2074a577e354cb] bpf: Add a kfunc for generic type cast testing commit a35b9af4ec2c7f69286ef861fd2074a577e354cb gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c50603aa0ceb9af944798f6109a4348a8823a564ec2beaf339082c515d4f4e3 all runs: OK false negative chance: 0.000 # git bisect good a35b9af4ec2c7f69286ef861fd2074a577e354cb Bisecting: 10 revisions left to test after this (roughly 4 steps) [2a42461a88314bbeaa3dcad3d19a4bb3d9aa546f] selftests/bpf: Add cgroup helper remove_cgroup() testing commit 2a42461a88314bbeaa3dcad3d19a4bb3d9aa546f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e77419b710ef44ad7e44de25c532cac3c26d9e3816013249e7a72db9d1196edf all runs: OK false negative chance: 0.000 # git bisect good 2a42461a88314bbeaa3dcad3d19a4bb3d9aa546f Bisecting: 5 revisions left to test after this (roughly 3 steps) [dc79f035b2062e4ff4f6432eda18f461f82b1333] selftests/bpf: Workaround for llvm nop-4 bug testing commit dc79f035b2062e4ff4f6432eda18f461f82b1333 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34d8bec55c1ac88ca9787dc2b5c88c9384661c09530616394af8a99d30d00823 all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] # git bisect bad dc79f035b2062e4ff4f6432eda18f461f82b1333 Bisecting: 2 revisions left to test after this (roughly 1 step) [114039b342014680911c35bd6b72624180fd669a] bpf: Move skb->len == 0 checks into __bpf_redirect testing commit 114039b342014680911c35bd6b72624180fd669a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6c2190d51b076c5189905bbb281f58c5c17f71fba9d26d115a3988155a6234ec all runs: crashed: WARNING in format_decode representative crash: WARNING in format_decode, types: [WARNING] # git bisect bad 114039b342014680911c35bd6b72624180fd669a Bisecting: 0 revisions left to test after this (roughly 0 steps) [8589e92675aa4727bede3f9230709624619844f3] selftests/bpf: Add test for cgroup iterator on a dead cgroup testing commit 8589e92675aa4727bede3f9230709624619844f3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df51fdcdfc611b0148bcd0934f0bea88959853780d0feda3af9c31547a6f703a all runs: OK false negative chance: 0.000 # git bisect good 8589e92675aa4727bede3f9230709624619844f3 114039b342014680911c35bd6b72624180fd669a is the first bad commit commit 114039b342014680911c35bd6b72624180fd669a Author: Stanislav Fomichev Date: Mon Nov 21 10:03:39 2022 -0800 bpf: Move skb->len == 0 checks into __bpf_redirect To avoid potentially breaking existing users. Both mac/no-mac cases have to be amended; mac_header >= network_header is not enough (verified with a new test, see next patch). Fixes: fd1894224407 ("bpf: Don't redirect packets with invalid pkt_len") Signed-off-by: Stanislav Fomichev Link: https://lore.kernel.org/r/20221121180340.1983627-1-sdf@google.com Signed-off-by: Martin KaFai Lau net/bpf/test_run.c | 3 --- net/core/filter.c | 11 ++++++----- 2 files changed, 6 insertions(+), 8 deletions(-) accumulated error probability: 0.00 culprit signature: 6c2190d51b076c5189905bbb281f58c5c17f71fba9d26d115a3988155a6234ec parent signature: df51fdcdfc611b0148bcd0934f0bea88959853780d0feda3af9c31547a6f703a revisions tested: 27, total time: 8h23m17.784589129s (build: 3h6m24.642400055s, test: 4h33m2.533338355s) first bad commit: 114039b342014680911c35bd6b72624180fd669a bpf: Move skb->len == 0 checks into __bpf_redirect recipients (to): ["davem@davemloft.net" "edumazet@google.com" "kuba@kernel.org" "martin.lau@kernel.org" "netdev@vger.kernel.org" "pabeni@redhat.com" "sdf@google.com"] recipients (cc): ["andrii@kernel.org" "ast@kernel.org" "bpf@vger.kernel.org" "daniel@iogearbox.net" "haoluo@google.com" "john.fastabend@gmail.com" "jolsa@kernel.org" "kpsingh@kernel.org" "linux-kernel@vger.kernel.org" "martin.lau@linux.dev" "sdf@google.com" "song@kernel.org" "yhs@fb.com"] crash: WARNING in format_decode ------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 2036 at lib/vsprintf.c:2656 format_decode+0x43f/0x540 lib/vsprintf.c:2656 Modules linked in: CPU: 1 PID: 2036 Comm: syz-executor.0 Not tainted 6.1.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:format_decode+0x43f/0x540 lib/vsprintf.c:2656 Code: c6 45 05 08 ba 12 00 00 00 e9 9f fc ff ff 48 89 04 24 c6 05 53 36 09 01 01 90 48 c7 c7 00 b6 c1 82 0f be f2 e8 45 62 01 00 90 <0f> 0b 90 90 48 8b 04 24 e9 f8 fd ff ff 48 8d 7c 24 08 e8 5a f3 ff RSP: 0018:ffffc90000e9bae8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffc90000e9bbe3 RCX: 0000000000000000 RDX: 0000000000000003 RSI: ffffffff82b0a67e RDI: 00000000ffffffff RBP: ffffc90000e9bb20 R08: 0000000000000000 R09: ffffffff82ea8560 R10: ffffc90000e9b980 R11: ffffffff82f885a8 R12: ffffffff84415520 R13: ffffc90000e9bbe3 R14: 0000000000000400 R15: ffffffff84415131 FS: 00007f93320486c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93325e10c0 CR3: 000000011c572000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x71/0x4b0 lib/vsprintf.c:3229 ____bpf_trace_printk kernel/trace/bpf_trace.c:392 [inline] bpf_trace_printk+0x72/0xc0 kernel/trace/bpf_trace.c:377 ___bpf_prog_run+0xeec/0x20d0 kernel/bpf/core.c:1822 __bpf_prog_run32+0x65/0x90 kernel/bpf/core.c:2045 bpf_dispatcher_nop_func include/linux/bpf.h:1074 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] bpf_test_run+0x11f/0x290 net/bpf/test_run.c:402 bpf_prog_test_run_skb+0x370/0x730 net/bpf/test_run.c:1179 bpf_prog_test_run kernel/bpf/syscall.c:3644 [inline] __sys_bpf+0xa3c/0x2860 kernel/bpf/syscall.c:4997 __do_sys_bpf kernel/bpf/syscall.c:5083 [inline] __se_sys_bpf kernel/bpf/syscall.c:5081 [inline] __x64_sys_bpf+0x19/0x20 kernel/bpf/syscall.c:5081 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x64/0xce RIP: 0033:0x7f93324c5ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f93320480c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f93325e4f80 RCX: 00007f93324c5ae9 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f933251147a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f93325e4f80 R15: 00007fff333926a8