ci starts bisection 2024-10-08 01:50:32.090870642 +0000 UTC m=+98.564299314 bisecting cause commit starting from c02d24a5af66a9806922391493205a344749f2c4 building syzkaller on d7906effc263366a8b067258cec67072b29aa5e0 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit c02d24a5af66a9806922391493205a344749f2c4 testing commit c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6512849679d5f6b717d08a30e312533985db6e80cf0c653c3933bf54580b482f run #0: crashed: WARNING in push_jmp_history run #1: crashed: WARNING in push_jmp_history run #2: crashed: WARNING in push_jmp_history run #3: crashed: WARNING in push_jmp_history run #4: crashed: WARNING in push_jmp_history run #5: crashed: WARNING in push_jmp_history run #6: crashed: WARNING in push_jmp_history run #7: crashed: WARNING in push_jmp_history run #8: crashed: WARNING in push_jmp_history run #9: crashed: WARNING in push_jmp_history run #10: crashed: WARNING in push_jmp_history run #11: crashed: WARNING in push_jmp_history run #12: crashed: WARNING in push_jmp_history run #13: crashed: WARNING in push_jmp_history run #14: crashed: WARNING in push_jmp_history run #15: crashed: WARNING in push_jmp_history run #16: boot failed: KFENCE: memory corruption in add_sysfs_param run #17: boot failed: KFENCE: memory corruption in add_sysfs_param run #18: boot failed: KFENCE: memory corruption in add_sysfs_param run #19: boot failed: KFENCE: memory corruption in add_sysfs_param representative crash: WARNING in push_jmp_history, 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 c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6d29b20e98ce4b5456c7fedde28a80fe7127ce47278b8b23da9126a6f0ad481 all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4045 full=8198 leaves diff=2110 split chunks (needed=false): <2110> split chunk #0 of len 2110 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d9f96107f1ee512c31f8ddb9ca92c1773261ad4f1f5cc56557f5e5424cfa792 all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, 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 c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b0e78e38c313d65e646312893e8f7c11591417fd279f12bea75f30b30facec0 all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, 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 c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0eee6dda50d8d6e5663e25307e06cbbcb2f20d8e048ea998d63852123d18cbfc all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, 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 c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 643395f062722bd10a4c92ecc5abb7fafe20df6f67fc3fac1dd824e681e8fdca all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c02d24a5af66a9806922391493205a344749f2c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 166ddb68da8e4400269b3699d0de3753269e02e3b4b2a9ef929a6cc34e3563dd all runs: OK false negative chance: 0.000 minimized to 422 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON 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 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_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_MIDI2 USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X 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USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI 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 Z3FOLD Z3FOLD_DEPRECATED ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_Z3FOLD_DEPRECATED] disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f6b41dc606ac29c1e8e070dbcc2a8b25e38b47298534fa6fb41bf26e06bbbf9 all runs: OK false negative chance: 0.000 # git bisect start c02d24a5af66a9806922391493205a344749f2c4 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 7149 revisions left to test after this (roughly 13 steps) [de848da12f752170c2ebe114804a985314fd5a6a] Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel testing commit de848da12f752170c2ebe114804a985314fd5a6a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57ae32b652074fc1bbab62b78d1b0184100e20fec7380ae3fada57c3d7db3ab8 all runs: OK false negative chance: 0.000 # git bisect good de848da12f752170c2ebe114804a985314fd5a6a Bisecting: 3572 revisions left to test after this (roughly 12 steps) [5159938e10d876fd23d3a5474689a9f6e18a446e] Merge tag 'probes-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace testing commit 5159938e10d876fd23d3a5474689a9f6e18a446e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a26566872b9aa495b84147fa3f741f0f23adb36b03dd4bcdb98c18e3e068416 all runs: OK false negative chance: 0.000 # git bisect good 5159938e10d876fd23d3a5474689a9f6e18a446e Bisecting: 1797 revisions left to test after this (roughly 11 steps) [f41cf56a40cb84e4b13a59b6bd4abaf88cd35a41] Merge branch 'mm-everything' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit f41cf56a40cb84e4b13a59b6bd4abaf88cd35a41 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8b736474f29a53f7cf641e6021e412e604b0d2291ebd5ab5b5d905bda8d5507a all runs: OK false negative chance: 0.000 # git bisect good f41cf56a40cb84e4b13a59b6bd4abaf88cd35a41 Bisecting: 909 revisions left to test after this (roughly 10 steps) [473aee2db0ef5a3cdf3461f318003d7267533c19] Merge branch 'for-linux-next' of https://gitlab.freedesktop.org/drm/misc/kernel.git testing commit 473aee2db0ef5a3cdf3461f318003d7267533c19 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e03f4844efff00dae890f7ade9a247ea412f26fd322b88451e1a2fdf654bf29c all runs: OK false negative chance: 0.000 # git bisect good 473aee2db0ef5a3cdf3461f318003d7267533c19 Bisecting: 451 revisions left to test after this (roughly 9 steps) [2cc838c4e78dee4ec6ace57ad1f049beec90389b] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git testing commit 2cc838c4e78dee4ec6ace57ad1f049beec90389b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e90967eb92c0e787a7c7bdf7ac369da9d8332296dc176e10b707bd14ad467ae all runs: OK false negative chance: 0.000 # git bisect good 2cc838c4e78dee4ec6ace57ad1f049beec90389b Bisecting: 223 revisions left to test after this (roughly 8 steps) [0f0a955f1f8e67f14a8ba7cd92f9f783b14cddc5] Merge branch 'togreg' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing commit 0f0a955f1f8e67f14a8ba7cd92f9f783b14cddc5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 558e3519e5bbcc54bbb1941bdb7c2bc1a4bdab090619ad8e2f4782b4495c523e all runs: OK false negative chance: 0.000 # git bisect good 0f0a955f1f8e67f14a8ba7cd92f9f783b14cddc5 Bisecting: 133 revisions left to test after this (roughly 7 steps) [ad088ec98de59a9e92828202b490d8230c323e51] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git testing commit ad088ec98de59a9e92828202b490d8230c323e51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9fa53fee6f36858a8aa0def793b17058a3f69ddb6d9b735ea135f22a897958ac all runs: OK false negative chance: 0.000 # git bisect good ad088ec98de59a9e92828202b490d8230c323e51 Bisecting: 66 revisions left to test after this (roughly 6 steps) [0e2807cecb0f8be4c8416e9dcf54b80f106671b8] Merge branch 'ntb-next' of https://github.com/jonmason/ntb.git testing commit 0e2807cecb0f8be4c8416e9dcf54b80f106671b8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b0e92cc728eb9a2261414e39dbf4435b9e4865175f7ba9b8d316621c7d88095b all runs: OK false negative chance: 0.000 # git bisect good 0e2807cecb0f8be4c8416e9dcf54b80f106671b8 Bisecting: 37 revisions left to test after this (roughly 5 steps) [d86c7f3a4c32812c5bac2aa908fff6661201932e] Merge branch 'slab/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git testing commit d86c7f3a4c32812c5bac2aa908fff6661201932e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fd8c0a8190893f1e37620dcdc791429ff81d5cfb1d2da32e762b0f9877b60328 all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, types: [WARNING] # git bisect bad d86c7f3a4c32812c5bac2aa908fff6661201932e Bisecting: 15 revisions left to test after this (roughly 4 steps) [75691a7ee68682e8e8010d8d6dee673908895c0f] Merge branch 'zstd-next' of https://github.com/terrelln/linux.git testing commit 75691a7ee68682e8e8010d8d6dee673908895c0f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1406a3b723999a8877ec01afe42d432c8d207d64c3218bd556599f820bd6e85d all runs: OK false negative chance: 0.000 # git bisect good 75691a7ee68682e8e8010d8d6dee673908895c0f Bisecting: 5 revisions left to test after this (roughly 3 steps) [42e0dcb66ed0ce9a489b76681244359cb3d98b21] Merge branch 'slab/for-6.13/fixes' into slab/for-next testing commit 42e0dcb66ed0ce9a489b76681244359cb3d98b21 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b974dd9b23578c4326732175bce4d30ebcbeddb37557cce37cc0ab7ac09ed9f all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, types: [WARNING] # git bisect bad 42e0dcb66ed0ce9a489b76681244359cb3d98b21 Bisecting: 4 revisions left to test after this (roughly 2 steps) [52aa2296a968f2513c56f20e9f97b85771f2573c] mm/slub, kunit: Add testcase for krealloc redzone and zeroing testing commit 52aa2296a968f2513c56f20e9f97b85771f2573c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5dd131a49d98d4fb00a20b369327dd3824eaa2a416e4d2e568bf9cf7294dbdf3 all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, types: [WARNING] # git bisect bad 52aa2296a968f2513c56f20e9f97b85771f2573c Bisecting: 2 revisions left to test after this (roughly 1 step) [b0c543648f3bd67ce1d845991a57f232bd248f09] mm/slub: Consider kfence case for get_orig_size() testing commit b0c543648f3bd67ce1d845991a57f232bd248f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb4e393a975f127b7f0a59449b16a95dd0343b6021f3ddc3a04306c267262353 all runs: OK false negative chance: 0.000 # git bisect good b0c543648f3bd67ce1d845991a57f232bd248f09 Bisecting: 0 revisions left to test after this (roughly 1 step) [d0a38fad51cc70ab3dd3c59b54d8079ac19220b9] mm/slub: Improve redzone check and zeroing for krealloc() testing commit d0a38fad51cc70ab3dd3c59b54d8079ac19220b9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a7b7bd0bfe6775f830b1bd7c261af12b1482d7b4dab36b53ebb95b66c713e33 all runs: crashed: WARNING in push_jmp_history representative crash: WARNING in push_jmp_history, types: [WARNING] # git bisect bad d0a38fad51cc70ab3dd3c59b54d8079ac19220b9 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f97ac9f57ebbe7b89e256fbc3d8963587f4503aa] mm/slub: Move krealloc() and related code to slub.c testing commit f97ac9f57ebbe7b89e256fbc3d8963587f4503aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 20342f60756a9868c7e7cc0809c5111cf8efed3375eba3226d36d26736cefc98 all runs: OK false negative chance: 0.000 # git bisect good f97ac9f57ebbe7b89e256fbc3d8963587f4503aa d0a38fad51cc70ab3dd3c59b54d8079ac19220b9 is the first bad commit commit d0a38fad51cc70ab3dd3c59b54d8079ac19220b9 Author: Feng Tang Date: Wed Sep 11 14:45:34 2024 +0800 mm/slub: Improve redzone check and zeroing for krealloc() For current krealloc(), one problem is its caller doesn't pass the old request size, say the object is 64 bytes kmalloc one, but caller may only requested 48 bytes. Then when krealloc() shrinks or grows in the same object, or allocate a new bigger object, it lacks this 'original size' information to do accurate data preserving or zeroing (when __GFP_ZERO is set). Thus with slub debug redzone and object tracking enabled, parts of the object after krealloc() might contain redzone data instead of zeroes, which is violating the __GFP_ZERO guarantees. Good thing is in this case, kmalloc caches do have this 'orig_size' feature. So solve the problem by utilize 'org_size' to do accurate data zeroing and preserving. Suggested-by: Vlastimil Babka Signed-off-by: Feng Tang Signed-off-by: Vlastimil Babka mm/slub.c | 54 ++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 38 insertions(+), 16 deletions(-) accumulated error probability: 0.00 culprit signature: 9a7b7bd0bfe6775f830b1bd7c261af12b1482d7b4dab36b53ebb95b66c713e33 parent signature: 20342f60756a9868c7e7cc0809c5111cf8efed3375eba3226d36d26736cefc98 revisions tested: 23, total time: 6h52m13.996880073s (build: 2h36m27.454930396s, test: 3h13m51.192791685s) first bad commit: d0a38fad51cc70ab3dd3c59b54d8079ac19220b9 mm/slub: Improve redzone check and zeroing for krealloc() recipients (to): ["akpm@linux-foundation.org" "cl@linux.com" "feng.tang@intel.com" "iamjoonsoo.kim@lge.com" "linux-mm@kvack.org" "penberg@kernel.org" "rientjes@google.com" "vbabka@suse.cz" "vbabka@suse.cz"] recipients (cc): ["42.hyeyoo@gmail.com" "linux-kernel@vger.kernel.org" "roman.gushchin@linux.dev"] crash: WARNING in push_jmp_history ------------[ cut here ]------------ virt_to_cache: Object is not a Slab page! WARNING: CPU: 1 PID: 3334 at mm/slub.c:4630 virt_to_cache mm/slub.c:4630 [inline] WARNING: CPU: 1 PID: 3334 at mm/slub.c:4630 __do_krealloc mm/slub.c:4728 [inline] WARNING: CPU: 1 PID: 3334 at mm/slub.c:4630 krealloc_noprof+0xb1/0x290 mm/slub.c:4813 Modules linked in: CPU: 1 UID: 0 PID: 3334 Comm: syz.0.15 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:virt_to_cache mm/slub.c:4630 [inline] RIP: 0010:__do_krealloc mm/slub.c:4728 [inline] RIP: 0010:krealloc_noprof+0xb1/0x290 mm/slub.c:4813 Code: 00 00 00 45 31 e4 45 31 ff 45 31 ed eb 38 c6 05 a3 22 14 02 01 90 48 c7 c7 e3 24 f5 82 48 c7 c6 03 25 f5 82 e8 90 ba d1 ff 90 <0f> 0b 90 90 48 85 db 75 c0 45 31 ed 0f 1f 44 00 00 49 8d 45 1c 44 RSP: 0018:ffffc900055d79a0 EFLAGS: 00010246 RAX: a074395bbd247c00 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000002 RSI: 00000000ffffdfff RDI: 00000000ffffffff RBP: ffff888113be8000 R08: 0000000000000000 R09: ffffffff832daac0 R10: ffffc900055d7880 R11: ffffc900055d7828 R12: ffff88811295c540 R13: 0000000000000202 R14: 0000000000004000 R15: ffff88811ba68000 FS: 00007fa58492f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa58492ef98 CR3: 0000000112cba000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: push_jmp_history+0x92/0x160 kernel/bpf/verifier.c:3497 do_check+0x122a/0x2e70 kernel/bpf/verifier.c:18347 do_check_common+0x38c/0x7f0 kernel/bpf/verifier.c:21613 do_check_main kernel/bpf/verifier.c:21704 [inline] bpf_check+0x11f0/0x5670 kernel/bpf/verifier.c:22416 bpf_prog_load+0x654/0x700 kernel/bpf/syscall.c:2846 __sys_bpf+0x351/0x5a0 kernel/bpf/syscall.c:5634 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:5739 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x220 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa584eadff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa58492f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fa585065f80 RCX: 00007fa584eadff9 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00007fa584f20296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fa585065f80 R15: 00007ffd90de5348