ci2 starts bisection 2024-02-08 07:17:28.314681323 +0000 UTC m=+204617.798800893 bisecting fixing commit since 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 building syzkaller on cf1845599c0bdab59c69518eaa0ecb960ec7ddf0 ensuring issue is reproducible on original commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 testing commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 406fd1cf6ee72812dd9188a8aa57045934ab3e85ebf457e49bfe222df4dfb157 run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: crashed: WARNING in handle_exception_nmi run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, 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 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64ef2aa22fdcd21c2a49697b81e9a6af15e19e7f21f26ec9f8cb26d30313d8e3 run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] kconfig minimization: base=3820 full=7523 leaves diff=1996 split chunks (needed=false): <1996> split chunk #0 of len 1996 into 5 parts testing without sub-chunk 1/5 testing commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 037b6e84d1a6d55d86028e39e13a14089b3e2346e25c9de5a2e1458dd805f160 run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: crashed: WARNING in handle_exception_nmi run #6: crashed: WARNING in handle_exception_nmi run #7: crashed: WARNING in handle_exception_nmi run #8: OK run #9: OK run #10: crashed: WARNING in handle_exception_nmi run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 testing commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b6f259112bc992b9ad3171e68293d29c84707a3f41857b87e0fe1d4bdb2e1d8 run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: crashed: WARNING in handle_exception_nmi run #6: crashed: WARNING in handle_exception_nmi run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 testing commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5bc4729c8cea52c397322791c0c5d42c9043635b15c4de334d0a1778f3d612c7 run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: crashed: WARNING in handle_exception_nmi run #6: crashed: WARNING in handle_exception_nmi run #7: crashed: WARNING in handle_exception_nmi run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 testing commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 474c1dca2521c53399f9e1a1fd2ce8b6ad50961f33a7018e000a03e20a05fc9a run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: crashed: WARNING in handle_exception_nmi run #6: crashed: WARNING in handle_exception_nmi run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 testing commit 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a2ce67cd2835c52981c749da10e1fdd3911ea51dc1887dd3f4d38680c83e4ba0 all runs: OK false negative chance: 0.001 minimized to 396 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 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_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 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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_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 XFS_SUPPORT_V4 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_ZPOOL_DEFAULT_ZBUD] determining the merge base between 7c58bfa711cb556ef1edc48e7dfa6d84e5fb8912 and 047371968ffc470769f541d6933e262dc7085456 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdde98765092015fae3cbc28780298c05c780655295ce450942b7af7cfdb329d run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: crashed: WARNING in handle_exception_nmi run #6: crashed: WARNING in handle_exception_nmi run #7: crashed: WARNING in handle_exception_nmi run #8: crashed: WARNING in handle_exception_nmi run #9: crashed: WARNING in handle_exception_nmi run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] testing current HEAD 047371968ffc470769f541d6933e262dc7085456 testing commit 047371968ffc470769f541d6933e262dc7085456 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 051473789921558d8a37a2485e17c2284f6d084c0be0998af24d0bd695aebaad run #0: crashed: WARNING in handle_exception_nmi run #1: crashed: WARNING in handle_exception_nmi run #2: crashed: WARNING in handle_exception_nmi run #3: crashed: WARNING in handle_exception_nmi run #4: crashed: WARNING in handle_exception_nmi run #5: OK run #6: crashed: WARNING in handle_exception_nmi run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in handle_exception_nmi, types: [WARNING] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.35 repro chance estimate) revisions tested: 9, total time: 2h5m8.43306104s (build: 33m15.719401092s, test: 1h28m5.488560666s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'v6.8-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 crash: WARNING in handle_exception_nmi ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4599 at arch/x86/kvm/vmx/vmx.c:5250 handle_exception_nmi+0x7c1/0xb20 arch/x86/kvm/vmx/vmx.c:5183 Modules linked in: CPU: 0 PID: 4599 Comm: syz-executor.0 Not tainted 6.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:handle_exception_nmi+0x7c1/0xb20 arch/x86/kvm/vmx/vmx.c:5250 Code: 8c f8 f8 ff ff 48 89 ef 4c 89 6c 24 08 4c 89 04 24 49 89 f5 e8 10 68 8e 00 4c 89 ee 4c 8b 04 24 4c 8b 6c 24 08 e9 d3 f8 ff ff <0f> 0b e9 41 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 84 f9 ff RSP: 0018:ffffc9000169f3c8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000030000064 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff88811f4abe90 RBP: ffff88811f4ab604 R08: ffff888109f7c000 R09: 1ffffffff0ffbbb2 R10: dffffc0000000000 R11: fffffbfff0ffbbb3 R12: 0000000030000064 R13: 0000000080000300 R14: ffff88811f4aa300 R15: dffffc0000000000 FS: 00007fd2b6fba6c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000030000012 CR3: 0000000117645000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6566 [inline] vmx_handle_exit+0x8ae/0x15b0 arch/x86/kvm/vmx/vmx.c:6583 vcpu_enter_guest arch/x86/kvm/x86.c:11071 [inline] vcpu_run+0x5d5d/0x7130 arch/x86/kvm/x86.c:11175 kvm_arch_vcpu_ioctl_run+0x8fd/0x15f0 arch/x86/kvm/x86.c:11401 kvm_vcpu_ioctl+0x7dd/0xa70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4441 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xaa/0xf0 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x81/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fd2b7437959 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:00007fd2b6fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd2b7556f80 RCX: 00007fd2b7437959 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 RBP: 00007fd2b7493c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd2b7556f80 R15: 00007ffcf68313d8