ci starts bisection 2025-09-16 18:24:24.235363977 +0000 UTC m=+426146.622112387
bisecting cause commit starting from c3067c2c38316c3ef013636c93daa285ee6aaa2e
building syzkaller on e2beed91937c0ace342f19a2e9afb67adb3a828a
fetch other tags and check if the commit is present
ensuring issue is reproducible on original commit c3067c2c38316c3ef013636c93daa285ee6aaa2e

testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7ec44b8d9d22f9cf588146629c1cea236d1de3defc626dd22cd297f501682e15
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed
testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 15f108944d45d86b20274daa1a2712fb4e8151c858d5c93297d6cfc0b7557f55
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
the bug reproduces without the instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=4099 full=8518 leaves diff=2181
split chunks (needed=false): <2181>
split chunk #0 of len 2181 into 5 parts
testing without sub-chunk 1/5
disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed
testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 4e4bd08725396496a16c4ec878f848e1e378ff898929984a4f81231c5c4902a9
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1d452faedb811e599285af4ca3252b6d877edbff2021c466c63870010322563d
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed
testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 805108eccfc305f1a955d47b612b1c746aba941d5523acb48201811090a99f54
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed
testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c9bca272a5bbd5ef587a3f41a8193fb5a6bff06148e3db4329b789eb145e803c
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit c3067c2c38316c3ef013636c93daa285ee6aaa2e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0999e1050c621b0f4643adafe6c3ae326e8989b27a21eb460c8da3ec1272aa8a
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
the chunk can be dropped
minimized to 437 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_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CPU_ATTACK_VECTORS ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGETLBFS ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_SUPPORTS_SCHED_CLUSTER ARCH_SUPPORTS_SCHED_MC 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_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_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY 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_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL 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 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_8254 COMEDI_8255 COMEDI_8255_PCI COMEDI_8255_SA COMEDI_ADL_PCI9118 COMEDI_ADQ12B COMEDI_AIO_AIO12_8 COMEDI_AIO_IIRO_16 COMEDI_AMPLC_DIO200 COMEDI_AMPLC_DIO200_ISA COMEDI_AMPLC_PC236 COMEDI_AMPLC_PC236_ISA COMEDI_AMPLC_PC263_ISA COMEDI_BOND COMEDI_C6XDIGIO COMEDI_DAC02 COMEDI_DAS08 COMEDI_DAS08_ISA COMEDI_DAS16M1 COMEDI_DAS1800 COMEDI_DAS6402 COMEDI_DAS800 COMEDI_DMM32AT COMEDI_DT2801 COMEDI_DT2811 COMEDI_DT2814 COMEDI_DT2815 COMEDI_DT2817 COMEDI_DT282X COMEDI_DT9812 COMEDI_FL512 COMEDI_ISADMA COMEDI_ISA_DRIVERS COMEDI_KCOMEDILIB COMEDI_MISC_DRIVERS COMEDI_MPC624 COMEDI_MULTIQ3 COMEDI_NI_ATMIO16D COMEDI_NI_AT_A2150 COMEDI_NI_AT_AO COMEDI_NI_DAQ_700_CS COMEDI_NI_LABPC COMEDI_NI_LABPC_CS COMEDI_NI_LABPC_ISA COMEDI_NI_LABPC_ISADMA COMEDI_NI_LABPC_PCI COMEDI_NI_USB6501 COMEDI_PARPORT COMEDI_PCI_DRIVERS COMEDI_PCL711 COMEDI_PCL724 COMEDI_PCL726 COMEDI_PCL730 COMEDI_PCL812 COMEDI_PCL816 COMEDI_PCL818 COMEDI_PCM3724 COMEDI_PCMAD COMEDI_PCMCIA_DRIVERS COMEDI_PCMDA12 COMEDI_PCMMIO COMEDI_PCMUIO COMEDI_RTI800 COMEDI_RTI802 COMEDI_S526 COMEDI_TEST COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC64 CRC64_ARCH CRC8 CRC_CCITT 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_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B 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_CRC32C CRYPTO_CRYPTD CRYPTO_CTS 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_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_BLAKE2S_ARCH CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_ARCH CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_ARCH CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_MD5 CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_ARCH CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_SHA1_ARCH CRYPTO_LIB_SHA256_ARCH CRYPTO_LIB_SHA512 CRYPTO_LIB_SHA512_ARCH CRYPTO_LIB_SM3 CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT 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_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 DEBUG_VFS DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_CMA_LEGACY DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA FSCACHE FUSE_FS GPIOLIB HAMRADIO IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISA_BUS LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED PCCARD PCMCIA RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH ZONE_DEVICE]
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: f3ecfa2bf908c8d1c7dfe75ec09372f6a8c694e7cf0b85e621d071b37248a490
all runs: OK
false negative chance: 0.000
# git bisect start c3067c2c38316c3ef013636c93daa285ee6aaa2e 038d61fd642278bab63ee8ef722c50d10ab01e8f
Bisecting: 11630 revisions left to test after this (roughly 14 steps)
[0974f486f3dde9df1ad979d4ff341dc9c2d545f5] Merge tag 'f2fs-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

testing commit 0974f486f3dde9df1ad979d4ff341dc9c2d545f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 44f8a985cdf8635ed9bc57b07786780be4529430c9301f7fcf4d3742941c15f3
all runs: OK
false negative chance: 0.000
# git bisect good 0974f486f3dde9df1ad979d4ff341dc9c2d545f5
Bisecting: 5675 revisions left to test after this (roughly 13 steps)
[791bd6e99847d97ccc31356fd4aae0d98746ff87] Merge branch 'next' of git://linuxtv.org/media-ci/media-pending.git

testing commit 791bd6e99847d97ccc31356fd4aae0d98746ff87 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: af3cacc23153203b9b99061c3e34f969224e81bbf7ba4be29259d0598fa4faba
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
# git bisect bad 791bd6e99847d97ccc31356fd4aae0d98746ff87
Bisecting: 2949 revisions left to test after this (roughly 12 steps)
[11e16bc193f9a322c6a3a18daaee936ef5a854ea] Merge branch 'mm-stable' of https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit 11e16bc193f9a322c6a3a18daaee936ef5a854ea gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c395e7dadcb95516a8a69379044bab483043dbdee67a6a3508cfbab4e445df15
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
# git bisect bad 11e16bc193f9a322c6a3a18daaee936ef5a854ea
Bisecting: 1502 revisions left to test after this (roughly 11 steps)
[2575e638e2d9c70971e5232398ca22afa6f06293] Merge tag 'v6.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

testing commit 2575e638e2d9c70971e5232398ca22afa6f06293 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1809089396eaa4f824b3e661a7a760d4f7a86a5d06f5cf99e17d6a6070f81b45
all runs: OK
false negative chance: 0.000
# git bisect good 2575e638e2d9c70971e5232398ca22afa6f06293
Bisecting: 751 revisions left to test after this (roughly 10 steps)
[a37395bb2e83c74d55aa458b1f4e0b58a9d87824] Merge branch 'next' of https://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm.git

testing commit a37395bb2e83c74d55aa458b1f4e0b58a9d87824 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 882092cd76a6ee0ceaec3542839cdbc40920c9604a487c871eedd2bac55bf118
all runs: OK
false negative chance: 0.000
# git bisect good a37395bb2e83c74d55aa458b1f4e0b58a9d87824
Bisecting: 325 revisions left to test after this (roughly 9 steps)
[324990745547d0c78306812bbba77b22117c9769] Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git

testing commit 324990745547d0c78306812bbba77b22117c9769 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 324990745547d0c78306812bbba77b22117c9769: fs/nsfs.c:582:11: error: incompatible function pointer types initializing 'struct file *(*)(const struct path *, unsigned int)' with an expression of type 'struct file *(struct path *, unsigned int)' [-Wincompatible-function-pointer-types]
# git bisect skip 324990745547d0c78306812bbba77b22117c9769
Bisecting: 325 revisions left to test after this (roughly 9 steps)
[3fb91b5c86d0fb5ff6f65c30a4f20193166e22fe] firmware: imx: Add stub functions for SCMI LMM API

testing commit 3fb91b5c86d0fb5ff6f65c30a4f20193166e22fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: cc1d7153174304dd1e5fb3d5d5536f6d1bdf7ada28bb4c6484e6e52777e39bf7
all runs: OK
false negative chance: 0.000
# git bisect good 3fb91b5c86d0fb5ff6f65c30a4f20193166e22fe
Bisecting: 323 revisions left to test after this (roughly 9 steps)
[a50342f976d25aace73ff551845ce89406f48f35] arm64: dts: imx8mp: Correct thermal sensor index

testing commit a50342f976d25aace73ff551845ce89406f48f35 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 35cc8612f0bd7ca47a1a482ae139282ee2e66c1728491768d7e23427e680d175
all runs: OK
false negative chance: 0.000
# git bisect good a50342f976d25aace73ff551845ce89406f48f35
Bisecting: 320 revisions left to test after this (roughly 9 steps)
[7f63c1a591e02086ff3ca42fcecf34ed5335ee6d] Merge branch 'vfs-6.18.inode.refcount.preliminaries' into vfs.all

testing commit 7f63c1a591e02086ff3ca42fcecf34ed5335ee6d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dff4dfe56e94f448a8431ea87a3bd36ef43e0a7a986c6e1f8fd79511e41a43b8
all runs: OK
false negative chance: 0.000
# git bisect good 7f63c1a591e02086ff3ca42fcecf34ed5335ee6d
Bisecting: 320 revisions left to test after this (roughly 8 steps)
[89ef6ad6fa849b780b5a5caae9068261603e1738] mm: introduce memdesc_is_zone_device()

testing commit 89ef6ad6fa849b780b5a5caae9068261603e1738 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c5357caffeea0cebe70f0bec9bd53b7f6b9ef86a4d25624b78e1f672182c53ce
all runs: OK
false negative chance: 0.000
# git bisect good 89ef6ad6fa849b780b5a5caae9068261603e1738
Bisecting: 322 revisions left to test after this (roughly 8 steps)
[78ca913586336540ec12f262c5bdf16f8925de82] Merge branch 'vfs.all' of https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git

testing commit 78ca913586336540ec12f262c5bdf16f8925de82 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dbec508017489d79027b740e0210857236a291fc98039621e61d47cc2975e19b
all runs: OK
false negative chance: 0.000
# git bisect good 78ca913586336540ec12f262c5bdf16f8925de82
Bisecting: 160 revisions left to test after this (roughly 7 steps)
[e1b8b36cdd5e62dfd9a1ad65c41ef60ea92a0b0d] Merge branch 'for-rc' of https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git

testing commit e1b8b36cdd5e62dfd9a1ad65c41ef60ea92a0b0d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 646bd6b0d36b5a7697ed7bdceafc9e0be2d9d67998d14aea3743d4865aa82650
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
# git bisect bad e1b8b36cdd5e62dfd9a1ad65c41ef60ea92a0b0d
Bisecting: 73 revisions left to test after this (roughly 6 steps)
[239dce1d83c070ff2f3b89d857bd23932bb24c8e] Merge branches 'work.path' and 'work.mount' into work.f_path

testing commit 239dce1d83c070ff2f3b89d857bd23932bb24c8e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 9ff7c56c6aeb05930b3628572cf4be66261f8fcfad0f5b08ce0326e056943288
all runs: OK
false negative chance: 0.000
# git bisect good 239dce1d83c070ff2f3b89d857bd23932bb24c8e
Bisecting: 32 revisions left to test after this (roughly 5 steps)
[a2b7d164d6bfdcb8988a1855e53f7f363d11908f] Merge branch 'mm-hotfixes-unstable' of https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit a2b7d164d6bfdcb8988a1855e53f7f363d11908f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: f22d99a20b7ec7a04653d42647b9cc319ef7ff0f1d145924d99c467ccf13a37b
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
# git bisect bad a2b7d164d6bfdcb8988a1855e53f7f363d11908f
Bisecting: 20 revisions left to test after this (roughly 4 steps)
[2ea01013dbc310eb11b4584fa5c722968dbcfcac] make it easier to catch those who try to modify ->d_name

testing commit 2ea01013dbc310eb11b4584fa5c722968dbcfcac gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ae296a2bf8df5228d714a1452325f7c9abfc96155a15f270184a4b0b7e806d57
all runs: OK
false negative chance: 0.000
# git bisect good 2ea01013dbc310eb11b4584fa5c722968dbcfcac
Bisecting: 16 revisions left to test after this (roughly 4 steps)
[724914ba0f27704e4809dc3fd334f704f23e8cd6] kasan: fix warnings caused by use of arch_enter_lazy_mmu_mode()

testing commit 724914ba0f27704e4809dc3fd334f704f23e8cd6 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 040f72261a10808499241693c71728544ee4acfb2a7b7efd6a5da26afed0c239
all runs: OK
false negative chance: 0.000
# git bisect good 724914ba0f27704e4809dc3fd334f704f23e8cd6
Bisecting: 10 revisions left to test after this (roughly 3 steps)
[23bf7166fb4a3b39636432fa345c8fa8528578a1] Merge branch 'work.qstr' into for-next

testing commit 23bf7166fb4a3b39636432fa345c8fa8528578a1 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 2a41902c57b1b92953f4c5bad414818ad1789403140b061be863194a233e31f7
all runs: OK
false negative chance: 0.000
# git bisect good 23bf7166fb4a3b39636432fa345c8fa8528578a1
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[445c4f2fe7087b0aa63667a19e63b11024132d69] kill FIRST_USER_PGD_NR

testing commit 445c4f2fe7087b0aa63667a19e63b11024132d69 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 27846f0b3422853376d650669d584c9fbce7ef24688a7fa1c80cdc618047811d
all runs: OK
false negative chance: 0.000
# git bisect good 445c4f2fe7087b0aa63667a19e63b11024132d69
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[d2286e3c7f5793a8a78b1ddb9c9caebd04947514] Merge branch 'work.misc' into for-next

testing commit d2286e3c7f5793a8a78b1ddb9c9caebd04947514 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c3a4fafbb74d1df2c9128d9179eb95ebb1b7c51e4274d4a423274a6c44bce048
all runs: OK
false negative chance: 0.000
# git bisect good d2286e3c7f5793a8a78b1ddb9c9caebd04947514
Bisecting: 1 revision left to test after this (roughly 1 step)
[56e625f1566ee6e3940c625a393b3b4e75806b3f] nsfs: Fix up merge

testing commit 56e625f1566ee6e3940c625a393b3b4e75806b3f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d011cf8722636cbe960a376d9f6db48feff848b850eeb6571827187736a9e1ee
all runs: crashed: WARNING in __ns_tree_remove
representative crash: WARNING in __ns_tree_remove, types: [WARNING]
# git bisect bad 56e625f1566ee6e3940c625a393b3b4e75806b3f
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
324990745547d0c78306812bbba77b22117c9769
56e625f1566ee6e3940c625a393b3b4e75806b3f
We cannot bisect more!

accumulated error probability: 0.00
revisions tested: 27, total time: 11h44m18.614686107s (build: 6h58m25.15094774s, test: 4h2m34.265092096s)
bisection is inconclusive, the first bad commit could be any of:
324990745547d0c78306812bbba77b22117c9769
56e625f1566ee6e3940c625a393b3b4e75806b3f