ci starts bisection 2026-10-04 00:26:53.741795627 +0000 UTC m=+119906.956927288 bisecting fixing commit since 0ce37745d4bfbc493f718169c3974898ffec8ee7 building syzkaller on 492bab153dea5e0e414bd0bbf60c3871267255ed ensuring issue is reproducible on original commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: d0d3261ad0d88415b97a5133faa480871bdf1220d295b5963f520de8613d07ad all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [memleak ubsan bug_or_warning kasan atomic_sleep hang], they are not needed testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 22c74ca766c96984138c741a4f4506cfc1dbdbe165bb5777b5b17cd31f4f97f3 all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed kconfig minimization: base=4175 full=8606 leaves diff=2137 split chunks (needed=false): <2137> split chunk #0 of len 2137 into 5 parts testing without sub-chunk 1/5 disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 4d36fe93f25dbc85375aa6f0d45ea9f3b8f17fa46e15ce821cd7dfc3731c2a1c all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 83453930bbe361b82ddc49fc884bb4b6e20a10e7de8ade4789aff9385e01ab16 all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 272fb8f84933f5e69c4a6a9ab9882d2b6fefc656bb635b0444591b4334cf9dcd all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 01a506cb5f56bff3aceeb6450dc8d9d9ffae6132dffe77e549ca9408636daf4f all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [memleak ubsan bug_or_warning kasan atomic_sleep hang], they are not needed testing commit 0ce37745d4bfbc493f718169c3974898ffec8ee7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: e7a73bf12dc15dc6a75e798612409b03142757f5c69d9ade21fa8f2c63d7577c all runs: OK false negative chance: 0.000 minimized to 425 configs; suspects: [ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD 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_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_PCI 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_GENERIC_PLAT 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 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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_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_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM 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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_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 VIRT_XFER_TO_GUEST_WORK 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_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_FRED X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_BTREE_IN_MEM XFS_DRAIN_INTENTS XFS_FS XFS_LIVE_HOOKS XFS_MEMORY_BUFS XFS_ONLINE_REPAIR XFS_ONLINE_SCRUB XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS XOR_BLOCKS_ARCH YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS 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] disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing current HEAD ff47652a4b66c067c765a7ad464d930b5a9367cc testing commit ff47652a4b66c067c765a7ad464d930b5a9367cc gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 622e6fd8e854e988243315989e1d67cfb27023b12429837b9cb07a159ac7c39f all runs: crashed: inconsistent lock state in rht_lock representative crash: inconsistent lock state in rht_lock, types: [LOCKDEP] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 3h36m31.569841132s (build: 1h36m56.105513175s, test: 1h9m45.248818333s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'cifs-fixes-7.3-rc6' of https://git.manguebit.org/linux crash: inconsistent lock state in rht_lock ================================ WARNING: inconsistent lock state syzkaller #0 Not tainted -------------------------------- inconsistent {INITIAL USE} -> {IN-NMI} usage. syz.3.20/4770 [HC1[1]:SC0[0]:HE0:SE1] takes: ffff88811d9fac38 (rhashtable_bucket){....}-{0:0}, at: rht_lock+0x38/0xa0 include/linux/rhashtable.h:330 {INITIAL USE} state was registered at: lock_acquire+0xea/0x2a0 kernel/locking/lockdep.c:5942 rht_lock+0x50/0xa0 include/linux/rhashtable.h:330 __rhashtable_insert_fast include/linux/rhashtable.h:783 [inline] rhltable_insert_key include/linux/rhashtable.h:913 [inline] rhltable_insert include/linux/rhashtable.h:940 [inline] super_dev_insert+0x149/0x780 fs/super.c:486 super_dev_register fs/super.c:503 [inline] set_anon_super fs/super.c:1345 [inline] set_anon_super_fc+0x63/0xa0 fs/super.c:1363 sget_fc+0x7b8/0x960 fs/super.c:881 vfs_get_super fs/super.c:1385 [inline] get_tree_nodev+0x1e/0x90 fs/super.c:1409 vfs_get_tree+0x27/0xb0 fs/super.c:1932 fc_mount fs/namespace.c:1198 [inline] vfs_kern_mount+0x7f/0xf0 fs/namespace.c:1236 kern_mount+0x13/0x30 fs/namespace.c:6310 shmem_init+0x26/0xa0 mm/shmem.c:5395 mnt_init+0x11d/0x150 fs/namespace.c:6291 vfs_caches_init+0x22/0x30 fs/dcache.c:3526 start_kernel+0x2ba/0x320 init/main.c:1172 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0xfc/0x100 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x157 irq event stamp: 896 hardirqs last enabled at (895): [] do_syscall_64+0x77/0x400 arch/x86/entry/syscall_64.c:81 hardirqs last disabled at (896): [] exc_debug_kernel+0x60/0x120 arch/x86/kernel/traps.c:1235 softirqs last enabled at (860): [] spin_unlock_bh include/linux/spinlock.h:407 [inline] softirqs last enabled at (860): [] bpf_prog_alloc_id+0x54/0xe0 kernel/bpf/syscall.c:2412 softirqs last disabled at (858): [] spin_lock_bh include/linux/spinlock.h:353 [inline] softirqs last disabled at (858): [] bpf_prog_alloc_id+0x1c/0xe0 kernel/bpf/syscall.c:2408 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(rhashtable_bucket); lock(rhashtable_bucket); *** DEADLOCK *** locks held by syz.3.20/4770: 0, last CPU#1 stack backtrace: CPU: 1 UID: 0 PID: 4770 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: <#DB> dump_stack_lvl+0x6d/0xa0 lib/dump_stack.c:120 print_usage_bug+0x22b/0x240 kernel/locking/lockdep.c:4086 lock_acquire+0x1c3/0x2a0 kernel/locking/lockdep.c:5933 rht_lock+0x50/0xa0 include/linux/rhashtable.h:330 __rhashtable_remove_fast_one include/linux/rhashtable.h:1064 [inline] __rhashtable_remove_fast include/linux/rhashtable.h:1145 [inline] rhashtable_remove_fast include/linux/rhashtable.h:1174 [inline] rhtab_delete_elem+0x1d9/0xc50 kernel/bpf/hashtab.c:2983 rhtab_map_delete_elem+0x9d/0x110 kernel/bpf/hashtab.c:3013 ___bpf_prog_run+0x5b8/0x2320 kernel/bpf/core.c:2161 __bpf_prog_run32+0xc9/0xf0 kernel/bpf/core.c:2454 bpf_dispatcher_nop_func include/linux/bpf.h:1488 [inline] __bpf_prog_run include/linux/filter.h:779 [inline] bpf_prog_run include/linux/filter.h:786 [inline] bpf_overflow_handler kernel/events/core.c:10713 [inline] __perf_event_overflow+0x156/0x420 kernel/events/core.c:10812 perf_swevent_overflow kernel/events/core.c:10953 [inline] perf_swevent_event+0xd2/0x1e0 kernel/events/core.c:-1 perf_bp_event+0xcf/0x100 kernel/events/core.c:11854 hw_breakpoint_handler arch/x86/kernel/hw_breakpoint.c:556 [inline] hw_breakpoint_exceptions_notify+0x9d/0x1d0 arch/x86/kernel/hw_breakpoint.c:587 notifier_call_chain+0x7c/0x120 kernel/notifier.c:85 atomic_notifier_call_chain+0x9e/0x110 kernel/notifier.c:223 notify_die+0x84/0xb0 kernel/notifier.c:588 notify_debug+0x20/0x30 arch/x86/kernel/traps.c:1210 exc_debug_kernel+0xa4/0x120 arch/x86/kernel/traps.c:1272 asm_exc_debug+0x1e/0x40 arch/x86/include/asm/idtentry.h:631 RIP: 0010:rep_movs_alternative+0x4a/0xa0 arch/x86/lib/copy_user_64.S:74 Code: f0 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb c5 a4 e9 0f f0 01 00 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 RSP: 0018:ffffc90001833d48 EFLAGS: 00050246 RAX: 00007ffffffff000 RBX: 0000000000000040 RCX: 000000000000003f RDX: 0000000000000000 RSI: 0000200000000301 RDI: ffffc90001833df9 RBP: 0000000000000000 R08: 0000000000050000 R09: ffffffffffffffff R10: 0000000000000000 R11: 00000000000001a7 R12: 0000200000000300 R13: 0000000000000000 R14: ffffc90001833df8 R15: 0000000000000040 copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline] _inline_copy_from_user include/linux/uaccess.h:185 [inline] _copy_from_user+0x68/0x90 lib/usercopy.c:18 copy_from_user include/linux/uaccess.h:222 [inline] copy_from_bpfptr_offset include/linux/bpfptr.h:53 [inline] copy_from_bpfptr include/linux/bpfptr.h:59 [inline] __sys_bpf+0x168/0x900 kernel/bpf/syscall.c:6339 __do_sys_bpf kernel/bpf/syscall.c:6506 [inline] __se_sys_bpf kernel/bpf/syscall.c:6503 [inline] __x64_sys_bpf+0x24/0x30 kernel/bpf/syscall.c:6503 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x104/0x400 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbcbf5ede99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbcbf44f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fbcbf875fa0 RCX: 00007fbcbf5ede99 RDX: 0000000000000040 RSI: 0000200000000300 RDI: 0000000000000010 RBP: 00007fbcbf683eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbcbf876038 R14: 00007fbcbf875fa0 R15: 00007ffe9be04488 ---------------- Code disassembly (best guess): 0: f0 01 00 lock add %eax,(%rax) 3: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) a: 00 00 00 d: 0f 1f 00 nopl (%rax) 10: 48 8b 06 mov (%rsi),%rax 13: 48 89 07 mov %rax,(%rdi) 16: 48 83 c6 08 add $0x8,%rsi 1a: 48 83 c7 08 add $0x8,%rdi 1e: 83 e9 08 sub $0x8,%ecx 21: 74 db je 0xfffffffe 23: 83 f9 08 cmp $0x8,%ecx 26: 73 e8 jae 0x10 28: eb c5 jmp 0xffffffef * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: e9 0f f0 01 00 jmp 0x1f040 31: 48 8b 06 mov (%rsi),%rax 34: 48 89 07 mov %rax,(%rdi) 37: 48 8d 47 08 lea 0x8(%rdi),%rax 3b: 48 83 e0 f8 and $0xfffffffffffffff8,%rax 3f: 48 rex.W