ci starts bisection 2023-08-10 08:11:06.65636217 +0000 UTC m=+93.651070991 bisecting cause commit starting from 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a building syzkaller on 13ca4cd61efbe39141a9349f08b96ccd0d8350c2 ensuring issue is reproducible on original commit 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a testing commit 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cced087bb2710cc18218fc9c3076f8ddb1252e79a48cf31a625056017453cf83 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5df427f2f984ba5c58b1f27eabe97fef0db752b84ec2b5a3bff53a9d9752976a all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3883 full=7651 leaves diff=1997 split chunks (needed=false): <1997> split chunk #0 of len 1997 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 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fded6d374e2e957828c4c0ae32a107dce48b9bc123fbf196a4b693f3ed214b46 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50c500bfcaf18ed19e132d5e372ad3d051f206487704c375ff8bd7b720cb97b6 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2cea1f3b76beed94420c176657bee7366a5d900a774949091ea01c7ee617c92e all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0990d9a4d6ae0a598966ca756c851fcdc23316cb23a4a5c82778abb6e37421a4 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, 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 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e2a3271190371ca33d56e08cf5cf84a934b0764252774212bc6aa75a3284efc all runs: OK false negative chance: 0.000 minimized to 397 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_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_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_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 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] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed 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: 7eab0cea46bb9121628409a9727a77c0c5b7b5d54e153165b267ce1fd08fa061 all runs: OK false negative chance: 0.000 # git bisect start 048c796beb6eb4fa3a5a647ee1c81f5c6f0f6a2a 6995e2de6891c724bfeb2db33d7b87775f913ad1 Bisecting: 6748 revisions left to test after this (roughly 13 steps) [1b722407a13b7f8658d2e26917791f32805980a2] Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm testing commit 1b722407a13b7f8658d2e26917791f32805980a2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a745875821723f86c19ee7606e68cd93072500f1a5d40a64cadb60ff039261fd all runs: OK false negative chance: 0.000 # git bisect good 1b722407a13b7f8658d2e26917791f32805980a2 Bisecting: 3491 revisions left to test after this (roughly 12 steps) [0a8d6c9c7128a93689fba384cdd7f72b0ce19abd] Merge tag 'backlight-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight testing commit 0a8d6c9c7128a93689fba384cdd7f72b0ce19abd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 27dad5c0e36ca477fb3a6929d148a7fb00465ba34d7f7bd9150bc5070083e060 all runs: OK false negative chance: 0.000 # git bisect good 0a8d6c9c7128a93689fba384cdd7f72b0ce19abd Bisecting: 1745 revisions left to test after this (roughly 11 steps) [c17414a273b81fe4e34e11d69fc30cc8b1431614] Merge tag 'sh-for-v6.5-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux testing commit c17414a273b81fe4e34e11d69fc30cc8b1431614 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f0740f695b922c7ec41ae9d8f7cb75c404c5e52d99a74a1563601343b286412 all runs: OK false negative chance: 0.000 # git bisect good c17414a273b81fe4e34e11d69fc30cc8b1431614 Bisecting: 835 revisions left to test after this (roughly 10 steps) [57f1f9dd3abea322173ea75a15887ccf14bbbe51] Merge tag 'net-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 57f1f9dd3abea322173ea75a15887ccf14bbbe51 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 37b24f00999a6a90b76cec1473816feae9650e2dcfe4805c5e79b0f3652be410 all runs: OK false negative chance: 0.000 # git bisect good 57f1f9dd3abea322173ea75a15887ccf14bbbe51 Bisecting: 416 revisions left to test after this (roughly 9 steps) [81eef8909d171bdca6af37028a11a24e011ed312] Merge tag 'for-linus-6.5a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip testing commit 81eef8909d171bdca6af37028a11a24e011ed312 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7ec1ec69079a0ff8a036047c14326ae1bce1d5b7c58b2f864d919871e5fcc2c all runs: OK false negative chance: 0.000 # git bisect good 81eef8909d171bdca6af37028a11a24e011ed312 Bisecting: 206 revisions left to test after this (roughly 8 steps) [ec351c8f2e6211054e51e661589cddd1fe856425] Merge tag 'soc-fixes-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit ec351c8f2e6211054e51e661589cddd1fe856425 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7365bbd3965c4c1a8b1f81b5b34a6e320849e50dcdd02000fa2e077fc877169c all runs: OK false negative chance: 0.000 # git bisect good ec351c8f2e6211054e51e661589cddd1fe856425 Bisecting: 106 revisions left to test after this (roughly 7 steps) [0d48a84b31f5beaded651a115f102c1d2e19a3a9] Merge tag 'wireless-2023-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless testing commit 0d48a84b31f5beaded651a115f102c1d2e19a3a9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 352189c6180b314b67e79b965a02531e20a754c42cdcca5b8644e4f927db5150 all runs: OK false negative chance: 0.000 # git bisect good 0d48a84b31f5beaded651a115f102c1d2e19a3a9 Bisecting: 53 revisions left to test after this (roughly 6 steps) [81f3768d91ac535528e9a7ad07cfefe5c705629f] Merge branch 'there-are-some-bugfix-for-the-hns3-ethernet-driver' testing commit 81f3768d91ac535528e9a7ad07cfefe5c705629f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6583a4ff274724db3fc1b0739407a5b5a63692d78be5226bf1e42280dab99ee0 all runs: OK false negative chance: 0.000 # git bisect good 81f3768d91ac535528e9a7ad07cfefe5c705629f Bisecting: 26 revisions left to test after this (roughly 5 steps) [8a70ed9520c5fafaac91053cacdd44625c39e188] tcp: add missing family to tcp_set_ca_state() tracepoint testing commit 8a70ed9520c5fafaac91053cacdd44625c39e188 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 838e3221ee8f4431a8492b8cc749d2dd932290b1b0660f9e7708b89abf82bb84 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] # git bisect bad 8a70ed9520c5fafaac91053cacdd44625c39e188 Bisecting: 13 revisions left to test after this (roughly 4 steps) [06b412589eef780b792e73df131d35dc43cc4a49] igc: Add lock to safeguard global Qbv variables testing commit 06b412589eef780b792e73df131d35dc43cc4a49 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdba5701416dff2b6a6392c69e31c998c471f548b732aceb50eab66f8133bee8 all runs: OK false negative chance: 0.000 # git bisect good 06b412589eef780b792e73df131d35dc43cc4a49 Bisecting: 6 revisions left to test after this (roughly 3 steps) [30c3c4a4497c3765bf6b298f5072c8165aeaf7cc] net/smc: Use correct buffer sizes when switching between TCP and SMC testing commit 30c3c4a4497c3765bf6b298f5072c8165aeaf7cc gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0fe7145019f31b410f760bbcd44ee8f750b776be1c6691dc933f01c1f4d14742 all runs: OK false negative chance: 0.000 # git bisect good 30c3c4a4497c3765bf6b298f5072c8165aeaf7cc Bisecting: 3 revisions left to test after this (roughly 2 steps) [913f60cacda73ccac8eead94983e5884c03e04cd] nexthop: Fix infinite nexthop dump when using maximum nexthop ID testing commit 913f60cacda73ccac8eead94983e5884c03e04cd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9dc98880bab7c417e11aa8ebae19a08a57b0ca9e0f755b722f5ff480305cb723 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] # git bisect bad 913f60cacda73ccac8eead94983e5884c03e04cd Bisecting: 0 revisions left to test after this (roughly 1 step) [718cb09aaa6fa78cc8124e9517efbc6c92665384] vlan: Fix VLAN 0 memory leak testing commit 718cb09aaa6fa78cc8124e9517efbc6c92665384 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f8f0ba36235aa4455255d66f3f27f86d66f780a5b64f4bfdf32a898074c84d4 all runs: crashed: WARNING in rtnl_dellink representative crash: WARNING in rtnl_dellink, types: [WARNING] # git bisect bad 718cb09aaa6fa78cc8124e9517efbc6c92665384 Bisecting: 0 revisions left to test after this (roughly 0 steps) [c992fde9f977da9beec584528f9026d21c27a053] Merge branch 'smc-fixes' testing commit c992fde9f977da9beec584528f9026d21c27a053 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d5b067ca4e463755a1e284bb79a25296315321d53c7de23975731e247e1ede48 all runs: OK false negative chance: 0.000 # git bisect good c992fde9f977da9beec584528f9026d21c27a053 718cb09aaa6fa78cc8124e9517efbc6c92665384 is the first bad commit commit 718cb09aaa6fa78cc8124e9517efbc6c92665384 Author: Vlad Buslov Date: Tue Aug 8 11:35:21 2023 +0200 vlan: Fix VLAN 0 memory leak The referenced commit intended to fix memleak of VLAN 0 that is implicitly created on devices with NETIF_F_HW_VLAN_CTAG_FILTER feature. However, it doesn't take into account that the feature can be re-set during the netdevice lifetime which will cause memory leak if feature is disabled during the device deletion as illustrated by [0]. Fix the leak by unconditionally deleting VLAN 0 on NETDEV_DOWN event. [0]: > modprobe 8021q > ip l set dev eth2 up > ethtool -K eth2 rx-vlan-filter off > modprobe -r mlx5_ib > modprobe -r mlx5_core > cat /sys/kernel/debug/kmemleak unreferenced object 0xffff888103dcd900 (size 256): comm "ip", pid 1490, jiffies 4294907305 (age 325.364s) hex dump (first 32 bytes): 00 80 5d 03 81 88 ff ff 00 00 00 00 00 00 00 00 ..]............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000899f3bb9>] kmalloc_trace+0x25/0x80 [<000000002889a7a2>] vlan_vid_add+0xa0/0x210 [<000000007177800e>] vlan_device_event+0x374/0x760 [8021q] [<000000009a0716b1>] notifier_call_chain+0x35/0xb0 [<00000000bbf3d162>] __dev_notify_flags+0x58/0xf0 [<0000000053d2b05d>] dev_change_flags+0x4d/0x60 [<00000000982807e9>] do_setlink+0x28d/0x10a0 [<0000000058c1be00>] __rtnl_newlink+0x545/0x980 [<00000000e66c3bd9>] rtnl_newlink+0x44/0x70 [<00000000a2cc5970>] rtnetlink_rcv_msg+0x29c/0x390 [<00000000d307d1e4>] netlink_rcv_skb+0x54/0x100 [<00000000259d16f9>] netlink_unicast+0x1f6/0x2c0 [<000000007ce2afa1>] netlink_sendmsg+0x232/0x4a0 [<00000000f3f4bb39>] sock_sendmsg+0x38/0x60 [<000000002f9c0624>] ____sys_sendmsg+0x1e3/0x200 [<00000000d6ff5520>] ___sys_sendmsg+0x80/0xc0 unreferenced object 0xffff88813354fde0 (size 32): comm "ip", pid 1490, jiffies 4294907305 (age 325.364s) hex dump (first 32 bytes): a0 d9 dc 03 81 88 ff ff a0 d9 dc 03 81 88 ff ff ................ 81 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000899f3bb9>] kmalloc_trace+0x25/0x80 [<000000002da64724>] vlan_vid_add+0xdf/0x210 [<000000007177800e>] vlan_device_event+0x374/0x760 [8021q] [<000000009a0716b1>] notifier_call_chain+0x35/0xb0 [<00000000bbf3d162>] __dev_notify_flags+0x58/0xf0 [<0000000053d2b05d>] dev_change_flags+0x4d/0x60 [<00000000982807e9>] do_setlink+0x28d/0x10a0 [<0000000058c1be00>] __rtnl_newlink+0x545/0x980 [<00000000e66c3bd9>] rtnl_newlink+0x44/0x70 [<00000000a2cc5970>] rtnetlink_rcv_msg+0x29c/0x390 [<00000000d307d1e4>] netlink_rcv_skb+0x54/0x100 [<00000000259d16f9>] netlink_unicast+0x1f6/0x2c0 [<000000007ce2afa1>] netlink_sendmsg+0x232/0x4a0 [<00000000f3f4bb39>] sock_sendmsg+0x38/0x60 [<000000002f9c0624>] ____sys_sendmsg+0x1e3/0x200 [<00000000d6ff5520>] ___sys_sendmsg+0x80/0xc0 Fixes: efc73f4bbc23 ("net: Fix memory leak - vlan_info struct") Reviewed-by: Ido Schimmel Signed-off-by: Vlad Buslov Link: https://lore.kernel.org/r/20230808093521.1468929-1-vladbu@nvidia.com Signed-off-by: Jakub Kicinski net/8021q/vlan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: 8f8f0ba36235aa4455255d66f3f27f86d66f780a5b64f4bfdf32a898074c84d4 parent signature: d5b067ca4e463755a1e284bb79a25296315321d53c7de23975731e247e1ede48 revisions tested: 22, total time: 5h23m32.597660904s (build: 1h34m7.690135339s, test: 3h35m51.770552072s) first bad commit: 718cb09aaa6fa78cc8124e9517efbc6c92665384 vlan: Fix VLAN 0 memory leak recipients (to): ["idosch@nvidia.com" "kuba@kernel.org" "vladbu@nvidia.com"] recipients (cc): [] crash: WARNING in rtnl_dellink ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2828 at net/core/dev.c:10876 flush_all_backlogs net/core/dev.c:5808 [inline] WARNING: CPU: 0 PID: 2828 at net/core/dev.c:10876 unregister_netdevice_many_notify+0x7ce/0x830 net/core/dev.c:10832 Modules linked in: CPU: 0 PID: 2828 Comm: syz-executor.0 Not tainted 6.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:unregister_netdevice_many_notify+0x7ce/0x830 net/core/dev.c:10876 Code: 09 fa ff ff ba b0 16 00 00 48 c7 c6 20 2d b9 82 48 c7 c7 f8 90 bc 82 c6 05 c2 3a 23 01 01 e8 59 cf 1c ff 0f 0b e9 e3 f9 ff ff <0f> 0b e9 32 fc ff ff 80 3d a0 3a 23 01 00 0f 85 32 fc ff ff ba b4 RSP: 0018:ffffc9000142b740 EFLAGS: 00010202 RAX: ffff88810ef5f801 RBX: ffff888116e96000 RCX: ffffc9000142b68c RDX: 0000000000000000 RSI: ffffffff82b1811f RDI: ffffffff83113020 RBP: ffffc9000142b7c8 R08: 0000000000000000 R09: ffff88811030a558 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88810ef5f5c0 R13: dead000000000122 R14: dead000000000100 R15: ffff88810ef5f5c0 FS: 00007fcea60936c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555a5dda8 CR3: 0000000110360000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rtnl_delete_link net/core/rtnetlink.c:3214 [inline] rtnl_dellink+0x161/0x3a0 net/core/rtnetlink.c:3266 rtnetlink_rcv_msg+0x186/0x440 net/core/rtnetlink.c:6428 netlink_rcv_skb+0x53/0x100 net/netlink/af_netlink.c:2549 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x189/0x260 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x243/0x4b0 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg+0x37/0x70 net/socket.c:748 ____sys_sendmsg+0x26f/0x2e0 net/socket.c:2494 ___sys_sendmsg+0x95/0xe0 net/socket.c:2548 __sys_sendmsg+0x75/0xc0 net/socket.c:2577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcea6510ae9 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:00007fcea60930c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fcea662ff80 RCX: 00007fcea6510ae9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 00007fcea655c47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fcea662ff80 R15: 00007fff9b2498e8