ci2 starts bisection 2025-06-20 03:49:43.680550402 +0000 UTC m=+137243.305569830
bisecting fixing commit since a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87
building syzkaller on 7cbfbb3ab457b0a8ecf525a27a65a2078c5dcaa8
ensuring issue is reproducible on original commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87

testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: c0046c5a4e9dd4a965a76ba4a9e969c7e0aefc25fb9a7b9ca41e0e03464309d0
run #0: crashed: BUG: Bad rss-counter state
run #1: crashed: WARNING: locking bug in rcu_pending_exit
run #2: crashed: WARNING in bch2_fs_release
run #3: crashed: WARNING in __srcu_check_read_flavor
run #4: crashed: WARNING: locking bug in rcu_pending_exit
run #5: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #6: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #7: crashed: WARNING: locking bug in rcu_pending_exit
run #8: crashed: WARNING in bch2_fs_btree_iter_exit
run #9: crashed: WARNING: locking bug in rcu_pending_exit
run #10: crashed: WARNING: locking bug in rcu_pending_exit
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in synchronize_rcu
run #13: crashed: WARNING: locking bug in rcu_pending_exit
run #14: crashed: WARNING: locking bug in rcu_pending_exit
run #15: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #16: crashed: INFO: task hung in synchronize_rcu
run #17: crashed: WARNING: locking bug in rcu_pending_exit
run #18: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #19: OK
representative crash: WARNING: locking bug in rcu_pending_exit, types: [LOCKDEP WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN KASAN ATOMIC_SLEEP HANG], they are not needed
testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 920807205df0ad652e4cb766232bb190df5c1b00c72782b8f484fa62989df62a
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in ip6_pol_route
run #1: crashed: WARNING: locking bug in rcu_pending_exit
run #2: crashed: WARNING: locking bug in rcu_pending_exit
run #3: crashed: BUG: unable to handle kernel paging request in process_srcu
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_timer
run #5: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #6: crashed: WARNING: locking bug in rcu_pending_exit
run #7: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #8: crashed: BUG: unable to handle kernel paging request in srcu_gp_start_if_needed
run #9: crashed: WARNING: locking bug in rcu_pending_exit
representative crash: WARNING: locking bug in rcu_pending_exit, types: [LOCKDEP UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN KASAN ATOMIC_SLEEP], they are not needed
kconfig minimization: base=4088 full=8235 leaves diff=2149
split chunks (needed=false): <2149>
split chunk #0 of len 2149 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN KASAN ATOMIC_SLEEP HANG], they are not needed
testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: def611f8672da8bf35f66e2e861509c241c551a8181bb033cdeb31b58b392409
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 68f1f42add723774be425324a657d5449430c4a0e9438522e092f9d64648c988
run #0: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #1: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #2: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #3: crashed: WARNING: locking bug in rcu_pending_exit
run #4: crashed: WARNING: locking bug in rcu_pending_exit
run #5: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #6: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #7: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #8: crashed: WARNING: locking bug in rcu_pending_exit
run #9: OK
representative crash: WARNING: locking bug in rcu_pending_pcpu_dequeue, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: f36013589b0ea833feb959681d591168e2776502121a2b6b832b4af5a6141944
run #0: crashed: WARNING: locking bug in rcu_pending_exit
run #1: crashed: WARNING: locking bug in rcu_pending_exit
run #2: crashed: WARNING: locking bug in rcu_pending_exit
run #3: crashed: WARNING: locking bug in rcu_pending_exit
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_pending_pcpu_dequeue
run #5: crashed: WARNING: locking bug in rcu_pending_exit
run #6: crashed: WARNING: locking bug in rcu_pending_exit
run #7: crashed: WARNING: locking bug in rcu_pending_exit
run #8: crashed: BUG: workqueue lockup
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4240901551" "root@10.128.10.60:./syz-executor4240901551"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.60, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u5, OpenSSL 3.0.15 3 Sep 2024
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.60 [10.128.10.60] port 22.
debug1: connect to address 10.128.10.60 port 22: Connection timed out
ssh: connect to host 10.128.10.60 port 22: Connection timed out
scp: Connection closed

representative crash: WARNING: locking bug in rcu_pending_exit, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [UBSAN KASAN ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 5b4a76e1c18ef007238476eba9e6dcaa5212b324496707e4bdba25f06f86ec0a
run #0: crashed: WARNING: locking bug in rcu_pending_exit
run #1: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #2: crashed: BUG: unable to handle kernel paging request in rcu_segcblist_advance
run #3: crashed: WARNING: locking bug in rcu_pending_exit
run #4: crashed: WARNING: locking bug in rcu_pending_exit
run #5: crashed: WARNING: locking bug in rcu_pending_exit
run #6: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #7: crashed: WARNING: locking bug in rcu_pending_exit
run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2505348088" "root@10.128.15.198:./syz-executor2505348088"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.15.198, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u5, OpenSSL 3.0.15 3 Sep 2024
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.15.198 [10.128.15.198] port 22.
debug1: fd 3 clearing O_NONBLOCK
debug1: Connection established.
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa_sk type -1
debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: identity file /root/.ssh/id_ed25519_sk type -1
debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1
debug1: identity file /root/.ssh/id_xmss type -1
debug1: identity file /root/.ssh/id_xmss-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u5
Connection timed out during banner exchange
Connection to 10.128.15.198 port 22 timed out
scp: Connection closed

run #9: crashed: BUG: workqueue lockup
representative crash: WARNING: locking bug in rcu_pending_exit, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit a0e3919a2df29b373b19a8fbd6e4c4c38fc10d87 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: c91e613efec3c46af5d3d3b3222afe58297f4f25cda6b5cc7318be5d53e85024
run #0: crashed: general protection fault in put_pwq_unlocked
run #1: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue
run #2: crashed: WARNING: locking bug in rcu_pending_exit
run #3: crashed: general protection fault in bch2_dev_do_discards
run #4: crashed: WARNING: locking bug in rcu_pending_exit
run #5: crashed: WARNING: locking bug in rcu_pending_exit
run #6: crashed: WARNING: locking bug in rcu_pending_exit
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_timer
run #8: crashed: WARNING: locking bug in mempool_init_node
run #9: crashed: WARNING: locking bug in rcu_pending_exit
representative crash: WARNING: locking bug in rcu_pending_pcpu_dequeue, types: [LOCKDEP UNKNOWN]
the chunk can be dropped
minimized to 430 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_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_SHA1_NI AS_SHA256_NI AS_TPAUSE ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_PCI BLK_MQ_VIRTIO BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_CAN_LINK_STATIC CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER CC_HAS_SANE_STACKPROTECTOR CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC32_SLICEBY8 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_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C 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_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_MANAGER_DISABLE_TESTS CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_NULL CRYPTO_NULL2 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_VMAC 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_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MCORE2 MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE]
disabling configs for [LEAK UBSAN KASAN ATOMIC_SLEEP HANG], they are not needed
testing current HEAD 41687a5c6f8b07ad0850d6c46452376d54fe9b65
testing commit 41687a5c6f8b07ad0850d6c46452376d54fe9b65 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 33e7be44b33b0e1bd8f92e1f8dcbe497604ef26b9c57bd419f6a33fd0cf0961e
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: WARNING in srcu_gp_start_if_needed
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: BUG: workqueue lockup, types: [UNKNOWN WARNING]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (1.00 repro chance estimate)
revisions tested: 8, total time: 2h25m26.791588544s (build: 46m5.053168211s, test: 1h33m59.496483241s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'spi-fix-v6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
crash: BUG: workqueue lockup
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 229s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 228s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: vmstat_shepherd, free_obj_work
workqueue events_long: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: 3*br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5
    in-flight: 12:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn ,1213:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: neigh_managed_work, neigh_periodic_work, 3*check_lifetime
workqueue rcu_gp: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: 4*srcu_invoke_callbacks
workqueue slub_flushwq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=3
    pending: flush_cpu_slab BAR(2943)
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4
    in-flight: 38:cleanup_net
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=4
    pending: vmstat_update, lru_add_drain_per_cpu BAR(34)
workqueue kblockd: flags=0x18
  pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=6 refcnt=7
    pending: 6*blk_mq_timeout_work
pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=11 idle: 121 14 380 6359 1355 8954 469 3407
Showing backtraces of running workers in stalled CPU-bound worker pools: