ci starts bisection 2025-02-05 10:25:33.3158476 +0000 UTC m=+14939.866382707 bisecting cause commit starting from 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e building syzkaller on 8f267cefd3660f9d5640ebbbd42e295a61774469 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b893467de00f8a258c47d450fda2023f7fb7fef691eac4ff26cfe249b862c8f8 all runs: crashed: general protection fault in qca_close representative crash: general protection fault in qca_close, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cccb4981e4fc167575c2660f2025f1d4352cdd73a008786dda94c5c5115d21d1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed kconfig minimization: base=4063 full=8260 leaves diff=2113 split chunks (needed=false): <2113> split chunk #0 of len 2113 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c9fd4e4ffa6b804ebe6683e6fc8773361f735901fa8ec900e6dae0bb2a332b1 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3dafb83ce3a6bc10e80ecf94dde5c98750b68294246546679f1d4e64bcff46b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90ff013bb69f70499331336acc797bae155bc3c5d20b43abe368a782b797ca8b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 949dfe78287b75e05a54ec4873b5faa18175dcc3441083627d7b908192c1bdac all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a571e1f317a937785bdb27a661d8a94be7c2f4d995e18e38ae71d00e6cbc5573 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] the chunk can be dropped minimized to 423 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 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 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 DRM_GM12U320 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 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 30790a5056e0353548c6bcd29c714f2c93446053c773a9f2d6164ef92e89a561 all runs: OK false negative chance: 0.000 # git bisect start 40b8e93e17bff4a4e0cc129e04f9fdf5daa5397e ffd294d346d185b70e28b1a28abe367bbfe53c04 Bisecting: 5691 revisions left to test after this (roughly 13 steps) [b746043cb3250eaa1d52735bc5977c7756a9c380] Merge tag 'pinctrl-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl testing commit b746043cb3250eaa1d52735bc5977c7756a9c380 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e9148d1ee08a2b3b521ded4b47414802e79203527ace254f9c9e6d4dc12c7f4a all runs: OK false negative chance: 0.000 # git bisect good b746043cb3250eaa1d52735bc5977c7756a9c380 Bisecting: 2841 revisions left to test after this (roughly 12 steps) [125ca745467d4f87ae58e671a4a5714e024d2908] Merge tag 'staging-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit 125ca745467d4f87ae58e671a4a5714e024d2908 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 992a0fe154493229c39e21687aee5b3ddc66ce82f3cf205ca5f0957b1e01375c all runs: OK false negative chance: 0.000 # git bisect good 125ca745467d4f87ae58e671a4a5714e024d2908 Bisecting: 1410 revisions left to test after this (roughly 11 steps) [cabb4685d57ed50cd197498d2ac946ad5b6272e7] Merge tag 'v6.14-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6 testing commit cabb4685d57ed50cd197498d2ac946ad5b6272e7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b0bf9381d32694fc89d27f92601a666f3ae09cea119cb4623db4a0db0843074 all runs: OK false negative chance: 0.000 # git bisect good cabb4685d57ed50cd197498d2ac946ad5b6272e7 Bisecting: 708 revisions left to test after this (roughly 10 steps) [b68f3ceaedd272484e25201e6169d0e7cc019b84] Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git testing commit b68f3ceaedd272484e25201e6169d0e7cc019b84 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b2e57d2cd65fbeedd25a6789332d5e439a2da0f218c520a88f1e5b0c6e47c53 all runs: OK false negative chance: 0.000 # git bisect good b68f3ceaedd272484e25201e6169d0e7cc019b84 Bisecting: 346 revisions left to test after this (roughly 9 steps) [c52fb922a48da994450e9c6a4dcdec00ede7d9f7] Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux.git testing commit c52fb922a48da994450e9c6a4dcdec00ede7d9f7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: febdc89d1c1815310d706073b3914c095588dd5b549250c8990d90161d499db9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] # git bisect bad c52fb922a48da994450e9c6a4dcdec00ede7d9f7 Bisecting: 222 revisions left to test after this (roughly 8 steps) [67782bf6e8a6289996bbc3ce7138c30ff72ee458] drm/i915/mst: Convert intel_dp_mtp_tu_compute_config() to .4 format testing commit 67782bf6e8a6289996bbc3ce7138c30ff72ee458 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a92e48adebc9498ccfec8ac54da78014106e427e9f7a9c7012a9dcd8c17ddad5 all runs: OK false negative chance: 0.000 # git bisect good 67782bf6e8a6289996bbc3ce7138c30ff72ee458 Bisecting: 120 revisions left to test after this (roughly 7 steps) [746dc2d725e94c4cfbc376c38c49001d77b8de83] Merge branch 'for-linux-next' of https://gitlab.freedesktop.org/drm/i915/kernel testing commit 746dc2d725e94c4cfbc376c38c49001d77b8de83 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3efc2ea7d1f21fff44741ebd4dabee5d19abdf50c878e52831b8fca3072f181 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] # git bisect bad 746dc2d725e94c4cfbc376c38c49001d77b8de83 Bisecting: 50 revisions left to test after this (roughly 6 steps) [c6a7c0b09d5f430c36f860af1032e9dfa2dfcdc5] wifi: ath12k: Add Support for enabling or disabling specific features based on ACPI bitflag testing commit c6a7c0b09d5f430c36f860af1032e9dfa2dfcdc5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef21d6723b593233b7b6807a98d3c637106b834dc9a456770e64e3b123b5ec0c all runs: OK false negative chance: 0.000 # git bisect good c6a7c0b09d5f430c36f860af1032e9dfa2dfcdc5 Bisecting: 33 revisions left to test after this (roughly 5 steps) [69225c4eaf64c6c1a564a456436300cd7f1ffe5e] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git testing commit 69225c4eaf64c6c1a564a456436300cd7f1ffe5e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 885fee563fd887284bbcfe19070b6bfdc2036faf9fa3ce4030142fb32d8d5af1 all runs: OK false negative chance: 0.000 # git bisect good 69225c4eaf64c6c1a564a456436300cd7f1ffe5e Bisecting: 16 revisions left to test after this (roughly 4 steps) [b967d902a03889eb822874a30e9c138689cccabe] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git testing commit b967d902a03889eb822874a30e9c138689cccabe gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2089da2bb6734673a04fefe8588f9e7dbe3e55e2397e198072b79dd08c9b96a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] # git bisect bad b967d902a03889eb822874a30e9c138689cccabe Bisecting: 8 revisions left to test after this (roughly 3 steps) [6ab54a7171894394fa07f28f835d714967b39797] Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd testing commit 6ab54a7171894394fa07f28f835d714967b39797 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e27444aadba54add89a749194e95328839e57b3e2fb5a6f17013fdd8ec54575 all runs: OK false negative chance: 0.000 # git bisect good 6ab54a7171894394fa07f28f835d714967b39797 Bisecting: 4 revisions left to test after this (roughly 2 steps) [55b8d4c01dde95f9c2d1f560094e279b78e105d7] Bluetooth: MGMT: Remove unused mgmt_*_discovery_complete testing commit 55b8d4c01dde95f9c2d1f560094e279b78e105d7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3c0a5fc5c97edd9d13d6466955582525e30066d448aec250baaad6c02735cc9 all runs: OK false negative chance: 0.000 # git bisect good 55b8d4c01dde95f9c2d1f560094e279b78e105d7 Bisecting: 2 revisions left to test after this (roughly 1 step) [56cec66d6163705621dd797e227de7151bd22a6b] Bluetooth: L2CAP: accept zero as a special value for MTU auto-selection testing commit 56cec66d6163705621dd797e227de7151bd22a6b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75344de1dba2b9d8b061b6f3371688468c7c34d46701255db547909ccb1dc7e2 all runs: OK false negative chance: 0.000 # git bisect good 56cec66d6163705621dd797e227de7151bd22a6b Bisecting: 0 revisions left to test after this (roughly 1 step) [c411c62cc13319533b1861e00cedc4883c3bc1bb] Bluetooth: hci_uart: fix race during initialization testing commit c411c62cc13319533b1861e00cedc4883c3bc1bb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ffa912354f53f3db0362622c6f90ca1268b59759ee72314c523d87e0af1747c2 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in qca_close representative crash: BUG: unable to handle kernel NULL pointer dereference in qca_close, types: [UNKNOWN] # git bisect bad c411c62cc13319533b1861e00cedc4883c3bc1bb Bisecting: 0 revisions left to test after this (roughly 0 steps) [e3d78d54bed506d7bc38f7d069631be0d9d0fea0] Bluetooth: btintel: Add DSBR support for ScP testing commit e3d78d54bed506d7bc38f7d069631be0d9d0fea0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68334cfa7c0ff36fe833abe075c033dbfd9b6133ef2f93684a7b5d8a97d20603 all runs: OK false negative chance: 0.000 # git bisect good e3d78d54bed506d7bc38f7d069631be0d9d0fea0 c411c62cc13319533b1861e00cedc4883c3bc1bb is the first bad commit commit c411c62cc13319533b1861e00cedc4883c3bc1bb Author: Arseniy Krasnov Date: Thu Jan 30 21:43:26 2025 +0300 Bluetooth: hci_uart: fix race during initialization 'hci_register_dev()' calls power up function, which is executed by kworker - 'hci_power_on()'. This function does access to bluetooth chip using callbacks from 'hci_ldisc.c', for example 'hci_uart_send_frame()'. Now 'hci_uart_send_frame()' checks 'HCI_UART_PROTO_READY' bit set, and if not - it fails. Problem is that 'HCI_UART_PROTO_READY' is set after 'hci_register_dev()', and there is tiny chance that 'hci_power_on()' will be executed before setting this bit. In that case HCI init logic fails. Patch moves setting of 'HCI_UART_PROTO_READY' before calling function 'hci_uart_register_dev()'. Signed-off-by: Arseniy Krasnov Signed-off-by: Luiz Augusto von Dentz drivers/bluetooth/hci_ldisc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: ffa912354f53f3db0362622c6f90ca1268b59759ee72314c523d87e0af1747c2 parent signature: 68334cfa7c0ff36fe833abe075c033dbfd9b6133ef2f93684a7b5d8a97d20603 revisions tested: 23, total time: 8h45m37.551703889s (build: 4h0m26.559799739s, test: 4h21m43.281140764s) first bad commit: c411c62cc13319533b1861e00cedc4883c3bc1bb Bluetooth: hci_uart: fix race during initialization recipients (to): ["avkrasnov@salutedevices.com" "linux-bluetooth@vger.kernel.org" "luiz.dentz@gmail.com" "luiz.von.dentz@intel.com" "marcel@holtmann.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: BUG: unable to handle kernel NULL pointer dereference in qca_close BUG: kernel NULL pointer dereference, address: 000000000000015b #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 800000010dfad067 P4D 800000010dfad067 PUD 104bae067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 3364 Comm: syz.2.16 Not tainted 6.13.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:serial_clock_vote drivers/bluetooth/hci_qca.c:301 [inline] RIP: 0010:qca_close+0x22/0x100 drivers/bluetooth/hci_qca.c:723 Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 54 53 49 89 fe 4c 8b bf b8 01 00 00 0f 1f 44 00 00 49 8b 9e b8 01 00 00 <0f> b6 ab 5b 01 00 00 44 0f b6 a3 5a 01 00 00 48 8b 3d 38 51 68 01 RSP: 0018:ffffc90002cb7d40 EFLAGS: 00010246 RAX: ffffffff82fb8be0 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 001fffffffc00000 RSI: 0000000000000000 RDI: ffff888105340200 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff82387090 R12: ffff888103342830 R13: ffff888103342d48 R14: ffff888105340200 R15: 0000000000000000 FS: 0000555590472500(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000015b CR3: 00000001033c2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hci_uart_tty_close+0xb6/0x120 drivers/bluetooth/hci_ldisc.c:557 tty_ldisc_close drivers/tty/tty_ldisc.c:455 [inline] tty_ldisc_kill+0x66/0xc0 drivers/tty/tty_ldisc.c:613 tty_ldisc_release+0xc9/0x120 drivers/tty/tty_ldisc.c:781 tty_release_struct+0x10/0x80 drivers/tty/tty_io.c:1690 tty_release+0x4ef/0x640 drivers/tty/tty_io.c:1861 __fput+0x86/0x2a0 fs/file_table.c:450 task_work_run+0x82/0xb0 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xa3/0x1b0 kernel/entry/common.c:218 do_syscall_64+0x9a/0x190 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa7058cda9 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:00007ffc4bddfe08 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000000fc5e RCX: 00007ffa7058cda9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007ffa707a7ba0 R08: 0000000000000001 R09: 00007ffc4bde010f R10: 00007ffa70400000 R11: 0000000000000246 R12: 000000000000fc91 R13: 00007ffa707a5fa0 R14: 0000000000000032 R15: ffffffffffffffff Modules linked in: CR2: 000000000000015b ---[ end trace 0000000000000000 ]--- RIP: 0010:serial_clock_vote drivers/bluetooth/hci_qca.c:301 [inline] RIP: 0010:qca_close+0x22/0x100 drivers/bluetooth/hci_qca.c:723 Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 54 53 49 89 fe 4c 8b bf b8 01 00 00 0f 1f 44 00 00 49 8b 9e b8 01 00 00 <0f> b6 ab 5b 01 00 00 44 0f b6 a3 5a 01 00 00 48 8b 3d 38 51 68 01 RSP: 0018:ffffc90002cb7d40 EFLAGS: 00010246 RAX: ffffffff82fb8be0 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 001fffffffc00000 RSI: 0000000000000000 RDI: ffff888105340200 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff82387090 R12: ffff888103342830 R13: ffff888103342d48 R14: ffff888105340200 R15: 0000000000000000 FS: 0000555590472500(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000015b CR3: 00000001033c2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: f3 0f 1e fa endbr64 c: 55 push %rbp d: 41 57 push %r15 f: 41 56 push %r14 11: 41 54 push %r12 13: 53 push %rbx 14: 49 89 fe mov %rdi,%r14 17: 4c 8b bf b8 01 00 00 mov 0x1b8(%rdi),%r15 1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 23: 49 8b 9e b8 01 00 00 mov 0x1b8(%r14),%rbx * 2a: 0f b6 ab 5b 01 00 00 movzbl 0x15b(%rbx),%ebp <-- trapping instruction 31: 44 0f b6 a3 5a 01 00 movzbl 0x15a(%rbx),%r12d 38: 00 39: 48 8b 3d 38 51 68 01 mov 0x1685138(%rip),%rdi # 0x1685178