ci2 starts bisection 2025-06-08 01:11:11.124562957 +0000 UTC m=+83307.039267823 bisecting cause commit starting from 99fa936e8e4f117d62f229003c9799686f74cebc building syzkaller on c3901742785ff25afdc6f470af7b25b69d7c4f2f ensuring issue is reproducible on original commit 99fa936e8e4f117d62f229003c9799686f74cebc testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 93671fdf70531b99d703981672a02900f14113aa17116b5eed9071eda0f12b55 run #0: crashed: kernel BUG in bch2_btree_node_iter_init run #1: crashed: general protection fault in __fput run #2: crashed: WARNING: locking bug in fast_dput run #3: crashed: BUG: corrupted list in list_lru_del run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #5: crashed: WARNING: locking bug in simple_recursive_removal run #6: crashed: WARNING: locking bug in __dentry_kill run #7: crashed: BUG: corrupted list in new_inode run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in bioset_exit run #9: crashed: possible deadlock in get_partial_node run #10: crashed: general protection fault in simple_recursive_removal run #11: crashed: possible deadlock in get_partial_node run #12: crashed: BUG: corrupted list in list_lru_del run #13: crashed: BUG: unable to handle kernel NULL pointer dereference in bioset_exit run #14: crashed: BUG: unable to handle kernel NULL pointer dereference in bioset_exit run #15: crashed: BUG: unable to handle kernel NULL pointer dereference in bioset_exit run #16: crashed: BUG: unable to handle kernel NULL pointer dereference in qlist_free_all run #17: crashed: possible deadlock in get_partial_node run #18: crashed: general protection fault in geneve_udp_encap_recv run #19: crashed: possible deadlock in console_flush_all representative crash: general protection fault in __fput, types: [UNKNOWN LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 60219ee0dce2a78f8894e38e685af5e316b0c36bdaee4a60d960dc2dd8057349 run #0: crashed: invalid opcode in corrupted run #1: crashed: INFO: trying to register non-static key in simple_recursive_removal run #2: crashed: invalid opcode in corrupted run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #4: crashed: INFO: trying to register non-static key in simple_recursive_removal run #5: crashed: INFO: trying to register non-static key in simple_recursive_removal run #6: crashed: invalid opcode in corrupted run #7: crashed: INFO: trying to register non-static key in simple_recursive_removal run #8: crashed: INFO: trying to register non-static key in simple_recursive_removal run #9: ignore: lost connection to test machine representative crash: invalid opcode in corrupted, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=4084 full=8254 leaves diff=2135 split chunks (needed=false): <2135> split chunk #0 of len 2135 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 938371e5a764e4abdc946e7e67a91e7cb4e661e722d6e8c9e2d7eefee906941e all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b6f1c986c5b88c523f3e65d5373837c718c5457631f5629bddca26a38c83d0a5 run #0: crashed: INFO: trying to register non-static key in sock_wfree run #1: crashed: INFO: trying to register non-static key in simple_recursive_removal run #2: crashed: INFO: trying to register non-static key in simple_recursive_removal run #3: crashed: invalid opcode in corrupted run #4: crashed: WARNING: locking bug in fast_dput run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in fast_dput run #6: crashed: INFO: trying to register non-static key in simple_recursive_removal run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #8: crashed: INFO: trying to register non-static key in simple_recursive_removal run #9: crashed: BUG: unable to handle kernel paging request in folio_try_get representative crash: INFO: trying to register non-static key in sock_wfree, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: bd2e6469737b7147f4ba3d5900d16b5d733d27cd908be5aece89825393b6dac4 run #0: crashed: invalid opcode in ext4_map_blocks run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in lockref_get run #2: crashed: invalid opcode in corrupted run #3: crashed: invalid opcode in corrupted run #4: crashed: BUG: unable to handle kernel paging request in __d_lookup run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_write run #6: crashed: BUG: unable to handle kernel paging request in zero_mask run #7: crashed: general protection fault in inode_permission run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in find_positive_dentry run #9: crashed: INFO: trying to register non-static key in simple_recursive_removal representative crash: invalid opcode in ext4_map_blocks, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: caee501e8f3c06151a8e7bc9a6b5b387d3b9cafac4f11af0bfa37e3f01372639 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_statfs run #1: crashed: BUG: unable to handle kernel paging request in sock_wfree run #2: crashed: general protection fault in file_remove_privs_flags run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in sock_wfree run #4: crashed: general protection fault in rcu_core run #5: crashed: invalid opcode in corrupted run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in sock_wfree run #7: crashed: general protection fault in kernfs_dop_revalidate run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #9: crashed: BUG: workqueue lockup representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_statfs, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 99fa936e8e4f117d62f229003c9799686f74cebc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b24bbb370a782e5bb3f681352f3c2e2c8b91fe7d1aae4c252c7030b417d74fc9 run #0: crashed: invalid opcode in corrupted run #1: crashed: BUG: unable to handle kernel paging request in corrupted run #2: crashed: invalid opcode in corrupted run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in kernfs_dop_revalidate run #4: crashed: INFO: trying to register non-static key in simple_recursive_removal run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in inode_permission run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in __dentry_kill run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in file_remove_privs_flags run #9: crashed: BUG: workqueue lockup representative crash: invalid opcode in corrupted, types: [UNKNOWN] the chunk can be dropped minimized to 427 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_SHA1_NI AS_SHA256_NI AS_TPAUSE ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER CC_HAS_SANE_STACKPROTECTOR CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C CRYPTO_CRC64_ROCKSOFT CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3 CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_SM4_GENERIC CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MCORE2 MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed picked [v6.13 v6.12 v6.11 v6.9 v6.7 v6.5 v6.3 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 36 release tags testing release v6.13 testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: c27223b66d1de23a95937475e2a13f48ff93b0c8fb3bb5aa8caf375f06bc66ad all runs: OK false negative chance: 0.000 # git bisect start 99fa936e8e4f117d62f229003c9799686f74cebc ffd294d346d185b70e28b1a28abe367bbfe53c04 Bisecting: 5629 revisions left to test after this (roughly 13 steps) [f1c243fc78ca94fd72e2e6e8f0f49b7360fef475] Merge tag 'iommu-updates-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux testing commit f1c243fc78ca94fd72e2e6e8f0f49b7360fef475 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 120b0710aac0f40f7188326751d7add887127efbe1f4fae1be3b44eca0161aaf run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_lookup run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in kernfs_dop_revalidate run #2: crashed: BUG: unable to handle kernel paging request in pick_link run #3: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #4: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in lockref_get run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_lookup run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #8: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_lookup, types: [UNKNOWN] # git bisect bad f1c243fc78ca94fd72e2e6e8f0f49b7360fef475 Bisecting: 3153 revisions left to test after this (roughly 12 steps) [5f537664e705b0bf8b7e329861f20128534f6a83] cachestat: fix page cache statistics permission checking testing commit 5f537664e705b0bf8b7e329861f20128534f6a83 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 9fb91f61ea684223c93001f2785a3d3f838913bca252f2ea67c6ea7149fd58df run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in sock_def_readable run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #3: crashed: invalid opcode in corrupted run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in __sock_sendmsg run #5: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #6: crashed: invalid opcode in corrupted run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #8: crashed: BUG: workqueue lockup run #9: crashed: BUG: workqueue lockup representative crash: BUG: unable to handle kernel NULL pointer dereference in sock_def_readable, types: [UNKNOWN] # git bisect bad 5f537664e705b0bf8b7e329861f20128534f6a83 Bisecting: 1258 revisions left to test after this (roughly 10 steps) [c0e75905caf368e19aab585d20151500e750de89] Merge tag 'trace-sorttable-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace testing commit c0e75905caf368e19aab585d20151500e750de89 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 7a0a8bdfd320206bd1f965509794fffbf973dc89b53c5b45a392099bf256b8f9 run #0: crashed: BUG: unable to handle kernel paging request in corrupted run #1: crashed: BUG: unable to handle kernel paging request in alloc_inode run #2: crashed: invalid opcode in corrupted run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in fast_dput run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #5: crashed: BUG: unable to handle kernel paging request in alloc_inode run #6: crashed: invalid opcode in corrupted run #7: crashed: BUG: unable to handle kernel paging request in alloc_inode run #8: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #9: crashed: BUG: unable to handle kernel paging request in k_cur representative crash: BUG: unable to handle kernel paging request in corrupted, types: [UNKNOWN] # git bisect bad c0e75905caf368e19aab585d20151500e750de89 Bisecting: 664 revisions left to test after this (roughly 9 steps) [3d3a9c8b89d4f8a3785e06ffd15405c670696f02] Merge tag 'dlm-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm testing commit 3d3a9c8b89d4f8a3785e06ffd15405c670696f02 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 2f5fc94a4f02c6c42171100a160acbf0f0bcb2615c8ee069a16443eb29d3c5b1 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_lookup run #1: crashed: BUG: unable to handle kernel paging request in k_cur run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in sock_wfree run #3: crashed: divide error in __block_write_begin_int run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_lookup run #5: crashed: BUG: unable to handle kernel paging request in folio_try_get run #6: crashed: general protection fault in __radix_tree_delete run #7: crashed: BUG: unable to handle kernel paging request in corrupted run #8: crashed: invalid opcode in corrupted run #9: crashed: general protection fault in delete_node representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_lookup, types: [UNKNOWN] # git bisect bad 3d3a9c8b89d4f8a3785e06ffd15405c670696f02 Bisecting: 287 revisions left to test after this (roughly 8 steps) [0eb4aaa230d725fa9b1cd758c0f17abca5597af6] Merge tag 'for-6.14-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit 0eb4aaa230d725fa9b1cd758c0f17abca5597af6 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 24fc1de24861ed13e792d079b4d13631a773713e858b0927242ce6a13309d6f9 all runs: OK false negative chance: 0.000 # git bisect good 0eb4aaa230d725fa9b1cd758c0f17abca5597af6 Bisecting: 143 revisions left to test after this (roughly 7 steps) [4746ee182a76bbe4dd847180b0c8b575756b0d0d] bcachefs: Check for inode journal seq in the future testing commit 4746ee182a76bbe4dd847180b0c8b575756b0d0d gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b7f7be7617cdfef19548df5af7f59b4f52738b17646858e3b73167a523aaa5f4 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in lockref_get run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in sock_poll run #2: crashed: invalid opcode in corrupted run #3: crashed: BUG: unable to handle kernel paging request in alloc_inode run #4: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #5: crashed: BUG: unable to handle kernel paging request in proc_invalidate_siblings_dcache run #6: crashed: invalid opcode in corrupted run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #8: crashed: invalid opcode in corrupted run #9: crashed: BUG: workqueue lockup representative crash: BUG: unable to handle kernel NULL pointer dereference in lockref_get, types: [UNKNOWN] # git bisect bad 4746ee182a76bbe4dd847180b0c8b575756b0d0d Bisecting: 71 revisions left to test after this (roughly 6 steps) [5abd7ac19ddac6dd7e9ef872e92b76e200d99531] bcachefs: Removes NULL pointer checks for __filemap_get_folio return values testing commit 5abd7ac19ddac6dd7e9ef872e92b76e200d99531 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 28cc8eb21e72fb1c9f8d1115b6d8fd26a908d298b0d3ea60cb44d4b5d1b22b05 all runs: OK false negative chance: 0.000 # git bisect good 5abd7ac19ddac6dd7e9ef872e92b76e200d99531 Bisecting: 35 revisions left to test after this (roughly 5 steps) [e48fda6cdc2799ef4a63692f0f11240613067b38] bcachefs: Fix check_backpointers_to_extents range limiting testing commit e48fda6cdc2799ef4a63692f0f11240613067b38 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 9bd4f749e660c3a9a68d4a817e80a4f1b060ba5a5c01d6a6d51a2521668e6499 all runs: OK false negative chance: 0.000 # git bisect good e48fda6cdc2799ef4a63692f0f11240613067b38 Bisecting: 17 revisions left to test after this (roughly 4 steps) [dba8243f3b466dd39ef05ff63890d5acab30c852] bcachefs: Don't try to en/decrypt when encryption not available testing commit dba8243f3b466dd39ef05ff63890d5acab30c852 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a735fbb30dd581ef293dbdf1ffdaa75a87eb4b21cdb06291236404d3b1df96b7 run #0: crashed: invalid opcode in corrupted run #1: crashed: BUG: unable to handle kernel paging request in alloc_inode run #2: crashed: BUG: unable to handle kernel paging request in k_cur run #3: crashed: invalid opcode in radix_tree_insert run #4: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #5: crashed: BUG: unable to handle kernel paging request in k_cur run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #7: crashed: BUG: unable to handle kernel paging request in k_cur run #8: crashed: invalid opcode in corrupted run #9: crashed: BUG: workqueue lockup representative crash: invalid opcode in corrupted, types: [UNKNOWN] # git bisect bad dba8243f3b466dd39ef05ff63890d5acab30c852 Bisecting: 8 revisions left to test after this (roughly 3 steps) [525be09e63cc9ff4bee0b0f480551a4dc2e7b276] bcachefs: Use separate rhltable for bch2_inode_or_descendents_is_open() testing commit 525be09e63cc9ff4bee0b0f480551a4dc2e7b276 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 044bd71fc83517bc9371b2c747142e987d84ce6e90b59e6c9fd1e488d8f5176c all runs: OK false negative chance: 0.000 # git bisect good 525be09e63cc9ff4bee0b0f480551a4dc2e7b276 Bisecting: 4 revisions left to test after this (roughly 2 steps) [427db7ffe9a91bcad00a7bac4edcd74d75007a11] bcachefs: backpointer_to_missing_ptr is now autofix testing commit 427db7ffe9a91bcad00a7bac4edcd74d75007a11 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b4a3350687c034aebc80024b07fd679dc4d4d83c1e9f03df440479bc81bb2250 all runs: OK false negative chance: 0.000 # git bisect good 427db7ffe9a91bcad00a7bac4edcd74d75007a11 Bisecting: 2 revisions left to test after this (roughly 1 step) [828552ca74a45877dbf139b34c47d0f600a1e852] bcachefs: Kill bch2_bucket_alloc_new_fs() testing commit 828552ca74a45877dbf139b34c47d0f600a1e852 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 031b033a0736799d8b195f500fa6281bf19e18941653980411a16a0cf115f9fd all runs: OK false negative chance: 0.000 # git bisect good 828552ca74a45877dbf139b34c47d0f600a1e852 Bisecting: 0 revisions left to test after this (roughly 1 step) [75eabea6988e4ef587c8d90425918fdc58a8f1c9] bcachefs: Fix dup/misordered check in btree node read testing commit 75eabea6988e4ef587c8d90425918fdc58a8f1c9 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e84cfc0355eca2b19ae7f2b65b56d8a3b58d693c05949804ed23ee9f657cecb9 run #0: crashed: invalid opcode in corrupted run #1: crashed: BUG: unable to handle kernel paging request in simple_recursive_removal run #2: crashed: BUG: unable to handle kernel paging request in k_cur run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in simple_recursive_removal run #4: crashed: BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted run #5: crashed: invalid opcode in corrupted run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in simple_recursive_removal run #7: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #8: crashed: BUG: unable to handle kernel paging request in bch2_fs_alloc run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in simple_recursive_removal representative crash: invalid opcode in corrupted, types: [UNKNOWN] # git bisect bad 75eabea6988e4ef587c8d90425918fdc58a8f1c9 Bisecting: 0 revisions left to test after this (roughly 0 steps) [14152654805256d760315ec24e414363bfa19a06] bcachefs: Bad btree roots are now autofix testing commit 14152654805256d760315ec24e414363bfa19a06 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 9b69c209fdafb170dc8f70fe6f6f9200956f822f131dbef35377c98972002553 run #0: crashed: general protection fault in __radix_tree_delete run #1: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #2: crashed: BUG: spinlock bad magic in simple_recursive_removal run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in simple_recursive_removal run #5: crashed: BUG: unable to handle kernel paging request in k_cur run #6: crashed: BUG: unable to handle kernel paging request in kernfs_dop_revalidate run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in offset_readdir run #8: crashed: BUG: unable to handle kernel paging request in simple_recursive_removal run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in simple_recursive_removal representative crash: general protection fault in __radix_tree_delete, types: [UNKNOWN] # git bisect bad 14152654805256d760315ec24e414363bfa19a06 14152654805256d760315ec24e414363bfa19a06 is the first bad commit commit 14152654805256d760315ec24e414363bfa19a06 Author: Kent Overstreet Date: Mon Nov 25 00:21:27 2024 -0500 bcachefs: Bad btree roots are now autofix Signed-off-by: Kent Overstreet fs/bcachefs/sb-errors_format.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: 9b69c209fdafb170dc8f70fe6f6f9200956f822f131dbef35377c98972002553 parent signature: 031b033a0736799d8b195f500fa6281bf19e18941653980411a16a0cf115f9fd revisions tested: 22, total time: 5h46m7.909122971s (build: 2h11m43.779994663s, test: 3h18m3.553346452s) first bad commit: 14152654805256d760315ec24e414363bfa19a06 bcachefs: Bad btree roots are now autofix recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: general protection fault in __radix_tree_delete Oops: general protection fault, probably for non-canonical address 0xdead4ead00000228: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 5103 Comm: kworker/R-btree Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:227 [inline] RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline] RIP: 0010:tag_get lib/radix-tree.c:115 [inline] RIP: 0010:node_tag_set lib/radix-tree.c:943 [inline] RIP: 0010:__radix_tree_delete+0x115/0x180 lib/radix-tree.c:1373 Code: 4d 8b 40 08 4d 85 c0 75 d3 8b 4f 40 f7 c1 00 00 00 10 74 4e 81 e1 ff ff ff ef 89 4f 40 eb 43 48 85 f6 74 2a 49 89 f0 48 63 c9 <49> 0f a3 88 28 02 00 00 72 2e 49 0f ab 88 28 02 00 00 41 0f b6 48 RSP: 0018:ffffc90002f63dd8 EFLAGS: 00010086 RAX: ffff888106a8c700 RBX: ffff888106a8c700 RCX: 0000000000000000 RDX: ffff88817aa1fd00 RSI: ffff88817aa1fb60 RDI: ffffffff83a97cc8 RBP: 0000000000000000 R08: dead4ead00000000 R09: ffff88817aa1fd00 R10: 000000000000002f R11: ffffffff8129b600 R12: ffff888106a8c7e0 R13: ffff888106a8c7e0 R14: 0000000000000082 R15: ffffffff83a97cc8 FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005564f90f42a8 CR3: 000000017b268000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: radix_tree_delete_item+0xa6/0x100 lib/radix-tree.c:1430 free_pid+0x43/0xb0 kernel/pid.c:159 __unhash_process kernel/exit.c:130 [inline] __exit_signal kernel/exit.c:200 [inline] release_task+0x584/0x860 kernel/exit.c:257 exit_notify kernel/exit.c:775 [inline] do_exit+0x6f0/0xaa0 kernel/exit.c:958 kthread_exit+0x1e/0x20 kernel/kthread.c:316 kthread+0xf4/0x100 kernel/kthread.c:391 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:227 [inline] RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline] RIP: 0010:tag_get lib/radix-tree.c:115 [inline] RIP: 0010:node_tag_set lib/radix-tree.c:943 [inline] RIP: 0010:__radix_tree_delete+0x115/0x180 lib/radix-tree.c:1373 Code: 4d 8b 40 08 4d 85 c0 75 d3 8b 4f 40 f7 c1 00 00 00 10 74 4e 81 e1 ff ff ff ef 89 4f 40 eb 43 48 85 f6 74 2a 49 89 f0 48 63 c9 <49> 0f a3 88 28 02 00 00 72 2e 49 0f ab 88 28 02 00 00 41 0f b6 48 RSP: 0018:ffffc90002f63dd8 EFLAGS: 00010086 RAX: ffff888106a8c700 RBX: ffff888106a8c700 RCX: 0000000000000000 RDX: ffff88817aa1fd00 RSI: ffff88817aa1fb60 RDI: ffffffff83a97cc8 RBP: 0000000000000000 R08: dead4ead00000000 R09: ffff88817aa1fd00 R10: 000000000000002f R11: ffffffff8129b600 R12: ffff888106a8c7e0 R13: ffff888106a8c7e0 R14: 0000000000000082 R15: ffffffff83a97cc8 FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005564f90f42a8 CR3: 000000017b268000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 4d 8b 40 08 mov 0x8(%r8),%r8 4: 4d 85 c0 test %r8,%r8 7: 75 d3 jne 0xffffffdc 9: 8b 4f 40 mov 0x40(%rdi),%ecx c: f7 c1 00 00 00 10 test $0x10000000,%ecx 12: 74 4e je 0x62 14: 81 e1 ff ff ff ef and $0xefffffff,%ecx 1a: 89 4f 40 mov %ecx,0x40(%rdi) 1d: eb 43 jmp 0x62 1f: 48 85 f6 test %rsi,%rsi 22: 74 2a je 0x4e 24: 49 89 f0 mov %rsi,%r8 27: 48 63 c9 movslq %ecx,%rcx * 2a: 49 0f a3 88 28 02 00 bt %rcx,0x228(%r8) <-- trapping instruction 31: 00 32: 72 2e jb 0x62 34: 49 0f ab 88 28 02 00 bts %rcx,0x228(%r8) 3b: 00 3c: 41 rex.B 3d: 0f .byte 0xf 3e: b6 48 mov $0x48,%dh