ci starts bisection 2024-10-10 05:44:08.840974686 +0000 UTC m=+45261.338818005 bisecting cause commit starting from 33ce24234fca4c083e6685a18b460a18ebb5d5c1 building syzkaller on 402f1df054ddb07ed5bb299d08c781354eb06607 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 169360ee687bceced2c3ab157a511e37d4ade1e96306c38f4947f3422b123567 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP HANG], they are not needed testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5dc535627ffd9ab675c0ee66df02c1218287c13b2e62b834f1fb5f63de7b6e73 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP HANG LEAK], they are not needed kconfig minimization: base=4045 full=8204 leaves diff=2112 split chunks (needed=false): <2112> split chunk #0 of len 2112 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ea43d08fc7bcfe1b893b40c4d6ef3344669378c59759a17edd201b474e42662a all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 24792194c5727bb93bb92e4f4de360f592f796e5ec75b8752cc52472e413380e all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c252f79db985a954141fb4a1fffac3cecd9879017e75a152fb81bc851f65c91 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b339c4c649446e6fe05d29c1a47d35c375baeb66ab01a7861c1c707f56658052 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed testing commit 33ce24234fca4c083e6685a18b460a18ebb5d5c1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7921743fb6a625efbef4917306aa9d6090a13ed7b6bed05912ca8ae774cd57f5 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] 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 ADDRESS_MASKING ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS 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_SUPPORTS_RT 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 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_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD 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_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC 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_AVX_X86_64 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 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_VMAC CRYPTO_WP512 CRYPTO_XCTR 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_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 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP 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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca8b5625f30d37decd4a1f7edeb3d09783b2b462857a4068bb6d2b9b64422f51 all runs: OK false negative chance: 0.000 # git bisect start 33ce24234fca4c083e6685a18b460a18ebb5d5c1 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 7470 revisions left to test after this (roughly 13 steps) [617a814f14b8914271f7a70366d72c6196d17663] Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 617a814f14b8914271f7a70366d72c6196d17663 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90ce3e55c74f9674127e1f7f4f24aa3d40331d79b6530534cb9791d0430900ce all runs: OK false negative chance: 0.000 # git bisect good 617a814f14b8914271f7a70366d72c6196d17663 Bisecting: 3725 revisions left to test after this (roughly 12 steps) [e477dba5442c0af7acb9e8bbbbde1108a37ed39c] Merge tag 'for-6.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm testing commit e477dba5442c0af7acb9e8bbbbde1108a37ed39c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c15d9f99ea5fdb000d61225271d159159f21a2120c7b8ffd70aaac0a0587afed all runs: OK false negative chance: 0.000 # git bisect good e477dba5442c0af7acb9e8bbbbde1108a37ed39c Bisecting: 1865 revisions left to test after this (roughly 11 steps) [81fa6d1b986921fa93dabfecf7e8f2d643512025] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git testing commit 81fa6d1b986921fa93dabfecf7e8f2d643512025 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1fbb721ce2f283388962bce0e46d1ff158fb871325cf688fb67513acaff3696 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] # git bisect bad 81fa6d1b986921fa93dabfecf7e8f2d643512025 Bisecting: 939 revisions left to test after this (roughly 10 steps) [d79b0f10eed92b29f1ee423462c95b7bb2c0d67a] Merge branch 'for-next-next-v6.12-20241008' into for-next-20241008 testing commit d79b0f10eed92b29f1ee423462c95b7bb2c0d67a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fbd0ef92df82c42351d62db7b2456a61bd08b3b3ee4e44b9db2ba7610810fbe3 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] # git bisect bad d79b0f10eed92b29f1ee423462c95b7bb2c0d67a Bisecting: 449 revisions left to test after this (roughly 9 steps) [3ed7df085225ea8736b80d1e1a247a40d91281c8] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit 3ed7df085225ea8736b80d1e1a247a40d91281c8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 16a53720d6623392e85ad0e64217448bc33babab474a99f656a825a3a87864e0 all runs: OK false negative chance: 0.000 # git bisect good 3ed7df085225ea8736b80d1e1a247a40d91281c8 Bisecting: 215 revisions left to test after this (roughly 8 steps) [fe6fceceaecf4c7488832be18a37ddf9213782bc] Merge tag 'drm-fixes-2024-10-04' of https://gitlab.freedesktop.org/drm/kernel testing commit fe6fceceaecf4c7488832be18a37ddf9213782bc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 914c47b3b5c76f961a4fe0006c23f0e744d91384d15e68e64187acd2f40157d8 all runs: OK false negative chance: 0.000 # git bisect good fe6fceceaecf4c7488832be18a37ddf9213782bc Bisecting: 106 revisions left to test after this (roughly 7 steps) [3a28c9e12828adcc899a9738783f1380f077a260] Merge tag 'i2c-for-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux testing commit 3a28c9e12828adcc899a9738783f1380f077a260 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8084f7d2cd0261df6b17f002acf94f14010c037a5fe68a00766483fbe6ef1afb all runs: OK false negative chance: 0.000 # git bisect good 3a28c9e12828adcc899a9738783f1380f077a260 Bisecting: 56 revisions left to test after this (roughly 6 steps) [c8d9f2c7aa599dcebab63400f7eaa767629faf04] Merge tag 'platform-drivers-x86-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit c8d9f2c7aa599dcebab63400f7eaa767629faf04 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6eb6b1521590e9c65394eaaf16727b55e37701e6f621b21139c11cb6e6d1f3b2 all runs: OK false negative chance: 0.000 # git bisect good c8d9f2c7aa599dcebab63400f7eaa767629faf04 Bisecting: 28 revisions left to test after this (roughly 5 steps) [8b1cb2187d49d365f3a7cd006f94d9d642e0568c] btrfs: fix missing error handling when adding delayed ref with qgroups enabled testing commit 8b1cb2187d49d365f3a7cd006f94d9d642e0568c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9d39721116b030c92bdf2f0f4d3784b4e0e01e69e0af733861fba76c55dddaa5 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] # git bisect bad 8b1cb2187d49d365f3a7cd006f94d9d642e0568c Bisecting: 13 revisions left to test after this (roughly 4 steps) [6faacb2e1492ae23ccde1ea233c015fa4567f95f] btrfs: add cancellation points to trim loops testing commit 6faacb2e1492ae23ccde1ea233c015fa4567f95f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 180723cd68c030f7f5b6bb21601dda3ab79057367f3422a80e293dcc3bb24220 all runs: OK false negative chance: 0.000 # git bisect good 6faacb2e1492ae23ccde1ea233c015fa4567f95f Bisecting: 6 revisions left to test after this (roughly 3 steps) [df353d2718e80e28f292a57a6c27f91718419d76] btrfs: do not assume the full page range is not dirty in extent_writepage_io() testing commit df353d2718e80e28f292a57a6c27f91718419d76 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 12e6844308131c7b92d7a6d2b65b2f4276e212cc2c86cd414aebfcec3d94c42a all runs: OK false negative chance: 0.000 # git bisect good df353d2718e80e28f292a57a6c27f91718419d76 Bisecting: 3 revisions left to test after this (roughly 2 steps) [018dfd38a3506e58e0e40cbd1208a170983f6add] btrfs: allow compression even if the range is not page aligned testing commit 018dfd38a3506e58e0e40cbd1208a170983f6add gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f7ce301cf16e6bda618b23c076d6abe62db2dbca8e898b347bb8ff15aae8e95 all runs: OK false negative chance: 0.000 # git bisect good 018dfd38a3506e58e0e40cbd1208a170983f6add Bisecting: 1 revision left to test after this (roughly 1 step) [b4b3fb6c00f37a9da91022adcd83555bc339e044] btrfs: canonicalize the device path before adding it testing commit b4b3fb6c00f37a9da91022adcd83555bc339e044 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4d7b18972358367a212991a45905e9f3eff9f170b9e307672223c611dd8c22f9 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] # git bisect bad b4b3fb6c00f37a9da91022adcd83555bc339e044 Bisecting: 0 revisions left to test after this (roughly 0 steps) [94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb] btrfs: avoid unnecessary device path update for the same device testing commit 94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c8acf23e74c1bc49ec982b06abe62dfa6b7ba4123a1d324a2c44b40ed61e2279 all runs: crashed: BUG: sleeping function called from invalid context in getname_kernel representative crash: BUG: sleeping function called from invalid context in getname_kernel, types: [ATOMIC_SLEEP] # git bisect bad 94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb 94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb is the first bad commit commit 94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb Author: Qu Wenruo Date: Tue Sep 24 12:52:17 2024 +0930 btrfs: avoid unnecessary device path update for the same device [PROBLEM] It is very common for udev to trigger device scan, and every time a mounted btrfs device got re-scan from different soft links, we will get some of unnecessary device path updates, this is especially common for LVM based storage: # lvs scratch1 test -wi-ao---- 10.00g scratch2 test -wi-a----- 10.00g scratch3 test -wi-a----- 10.00g scratch4 test -wi-a----- 10.00g scratch5 test -wi-a----- 10.00g test test -wi-a----- 10.00g # mkfs.btrfs -f /dev/test/scratch1 # mount /dev/test/scratch1 /mnt/btrfs # dmesg -c [ 205.705234] BTRFS: device fsid 7be2602f-9e35-4ecf-a6ff-9e91d2c182c9 devid 1 transid 6 /dev/mapper/test-scratch1 (253:4) scanned by mount (1154) [ 205.710864] BTRFS info (device dm-4): first mount of filesystem 7be2602f-9e35-4ecf-a6ff-9e91d2c182c9 [ 205.711923] BTRFS info (device dm-4): using crc32c (crc32c-intel) checksum algorithm [ 205.713856] BTRFS info (device dm-4): using free-space-tree [ 205.722324] BTRFS info (device dm-4): checking UUID tree So far so good, but even if we just touched any soft link of "dm-4", we will get quite some unnecessary device path updates. # touch /dev/mapper/test-scratch1 # dmesg -c [ 469.295796] BTRFS info: devid 1 device path /dev/mapper/test-scratch1 changed to /dev/dm-4 scanned by (udev-worker) (1221) [ 469.300494] BTRFS info: devid 1 device path /dev/dm-4 changed to /dev/mapper/test-scratch1 scanned by (udev-worker) (1221) Such device path rename is unnecessary and can lead to random path change due to the udev race. [CAUSE] Inside device_list_add(), we are using a very primitive way checking if the device has changed, strcmp(). Which can never handle links well, no matter if it's hard or soft links. So every different link of the same device will be treated as a different device, causing the unnecessary device path update. [FIX] Introduce a helper, is_same_device(), and use path_equal() to properly detect the same block device. So that the different soft links won't trigger the rename race. Reviewed-by: Filipe Manana Link: https://bugzilla.suse.com/show_bug.cgi?id=1230641 Reported-by: Fabian Vogt Signed-off-by: Qu Wenruo Signed-off-by: David Sterba fs/btrfs/volumes.c | 30 +++++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: c8acf23e74c1bc49ec982b06abe62dfa6b7ba4123a1d324a2c44b40ed61e2279 parent signature: 3f7ce301cf16e6bda618b23c076d6abe62db2dbca8e898b347bb8ff15aae8e95 revisions tested: 22, total time: 7h17m39.822342113s (build: 4h34m14.310010973s, test: 2h17m57.491348663s) first bad commit: 94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb btrfs: avoid unnecessary device path update for the same device recipients (to): ["dsterba@suse.com" "fdmanana@suse.com" "wqu@suse.com"] recipients (cc): [] crash: BUG: sleeping function called from invalid context in getname_kernel BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3} , at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9dad8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Not tainted 6.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e582e0 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888105b5a4d8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e76650 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888105b5aad8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e76650 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9cad8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 0 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e582e0 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9d6d8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e76650 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9d0d8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 0 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e76650 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9ced8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e582e0 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888105b5b2d8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e582e0 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9d6d8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 0 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e76650 R15: 00007ffcd927dd78 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2481, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by udevd/2481: #0: ffffffff83e6a560 (uuid_mutex){....}-{3:3}, at: btrfs_control_ioctl+0xa3/0x1a0 fs/btrfs/super.c:2258 #1: ffff888108a9ced8 (&fs_devs->device_list_mutex){....}-{3:3}, at: device_list_add+0x19f/0x820 fs/btrfs/volumes.c:828 #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: is_same_device fs/btrfs/volumes.c:746 [inline] #2: ffffffff83d825d0 (rcu_read_lock){....}-{1:2}, at: device_list_add+0x22b/0x820 fs/btrfs/volumes.c:883 CPU: 1 UID: 0 PID: 2481 Comm: udevd Tainted: G W 6.12.0-rc2-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8631 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4036 [inline] slab_alloc_node mm/slub.c:4114 [inline] kmem_cache_alloc_noprof+0x5e/0x330 mm/slub.c:4141 getname_kernel+0x27/0x100 fs/namei.c:234 kern_path+0x12/0x80 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:748 [inline] device_list_add+0x262/0x820 fs/btrfs/volumes.c:883 btrfs_scan_one_device+0x22c/0x2c0 fs/btrfs/volumes.c:1463 btrfs_control_ioctl+0xb6/0x1a0 fs/btrfs/super.c:2263 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f066e71ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffcd927c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f066e71ad49 RDX: 00007ffcd927c018 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd927d058 R14: 0000559735e582e0 R15: 00007ffcd927dd78