ci starts bisection 2023-10-12 00:49:37.715500673 +0000 UTC m=+118777.859218542
bisecting fixing commit since 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23
ensuring issue is reproducible on original commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 67688c3858c6e7d6600b710b697a387500a8352b2846ace450118e3da69e24ef
all runs: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3004e93b8e4c44a69f1f334d805b2569c4c542c9b51737fd3b81138539b7a043
all runs: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
kconfig minimization: base=3876 full=7548 leaves diff=1999
split chunks (needed=false): <1999>
split chunk #0 of len 1999 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: de9f1a7fa178ada8aeb74976452b7bae32f5712fcf024f2888a81a73d611700c
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4a7ac8d44fb1fee931f6426a160234fa5d141f1aa754c5cbe5150799602a7893
all runs: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b76c05eb5c13f7f478a803591f697df8051599fceaaeab39401efa1d2f44eeff
all runs: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f12e9bae897e011cfc906793c3748c40e620189e34481e62e4fea4fde60229a8
all runs: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 16c5e2b9fd7842921cf6dacc8a6841114212ead1ff87cf9e1ab02161c08bf2b4
all runs: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
the chunk can be dropped
minimized to 400 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_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP ASM_MODVERSIONS 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_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG 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 BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_FD BLK_DEV_INTEGRITY BLK_DEV_INTEGRITY_T10 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_RDMA BLK_WBT BLK_WBT_MQ BLOCK_COMPAT 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_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_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB 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_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MSFTEXT BT_MTK BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL BUILD_BIN2C 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_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_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_HAS_UBSAN_BOUNDS 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_BQ24190 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 CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES 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_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_CFB CRYPTO_CHACHA20 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_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECB CRYPTO_ECC 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_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_OFB 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_SM2 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 CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCB DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DIMLIB DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA 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_BOCHS DRM_BUDDY ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 401644852d0b2a278811de38081be23f74b5bb04
testing commit 401644852d0b2a278811de38081be23f74b5bb04 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 640adf22e486c7abf38ceea128d76dfaa90cb7f6413960e775e5e68b2c301839
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0006a1270 0xc0006a1360 0xc0006a1400] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc005afae60 0xc005afaf50 0xc005afaff0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #2: crashed: INFO: task hung in blkdev_fallocate
run #3: crashed: INFO: task hung in blkdev_fallocate
run #4: crashed: INFO: task hung in blkdev_fallocate
run #5: crashed: INFO: task hung in blkdev_fallocate
run #6: crashed: INFO: task hung in blkdev_fallocate
run #7: crashed: INFO: task hung in blkdev_fallocate
run #8: crashed: INFO: task hung in blkdev_fallocate
run #9: crashed: INFO: task hung in blkdev_fallocate
representative crash: INFO: task hung in blkdev_fallocate, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 2h20m8.114665295s (build: 1h19m14.060199746s, test: 54m52.529964479s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'fs_for_v6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
crash: INFO: task hung in blkdev_fallocate
INFO: task syz-executor.0:2331 blocked for more than 143 seconds.
Not tainted 6.6.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:15024 pid:2331 ppid:1926 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x6ad/0x980 kernel/sched/core.c:6695
schedule+0x54/0xc0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x32/0x50 kernel/sched/core.c:6830
rwsem_down_write_slowpath+0x31b/0x720 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x60/0x80 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:847 [inline]
blkdev_fallocate+0xc3/0x1a0 block/fops.c:773
vfs_fallocate+0x179/0x1b0 fs/open.c:324
madvise_remove mm/madvise.c:1011 [inline]
madvise_vma_behavior mm/madvise.c:1035 [inline]
madvise_walk_vmas mm/madvise.c:1270 [inline]
do_madvise+0xad3/0x1700 mm/madvise.c:1450
__do_sys_madvise mm/madvise.c:1463 [inline]
__se_sys_madvise mm/madvise.c:1461 [inline]
__x64_sys_madvise+0x23/0x30 mm/madvise.c:1461
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f56c1c7c859
RSP: 002b:00007f56c0fdd0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f56c1d9c050 RCX: 00007f56c1c7c859
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f56c1cd8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f56c1d9c050 R15: 00007ffc1771f918
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8357cc40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#0: ffffffff8357cc40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#0: ffffffff8357cc40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 kernel/locking/lockdep.c:6613
2 locks held by getty/1362:
#0: ffff88810a6450a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243
#1: ffffc90002cc72f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x218/0x8e0 drivers/tty/n_tty.c:2206
3 locks held by syz-executor.0/2330:
1 lock held by syz-executor.0/2331:
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline]
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: blkdev_fallocate+0xc3/0x1a0 block/fops.c:773
1 lock held by syz-executor.0/2735:
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline]
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: page_cache_ra_unbounded+0x5d/0x240 mm/readahead.c:225
1 lock held by syz-executor.0/2736:
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline]
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: blkdev_fallocate+0xc3/0x1a0 block/fops.c:773
1 lock held by syz-executor.0/3140:
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline]
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: page_cache_ra_unbounded+0x5d/0x240 mm/readahead.c:225
1 lock held by syz-executor.0/3142:
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline]
#0: ffff8881105c8940 (mapping.invalidate_lock#2){....}-{3:3}, at: blkdev_fallocate+0xc3/0x1a0 block/fops.c:773
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x83/0xd0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x142/0x160 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x8e/0x140 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x5da/0x600 kernel/hung_task.c:379
kthread+0xe5/0x100 kernel/kthread.c:388
ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2330 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:in_lock_functions+0x1e/0x30 kernel/locking/spinlock.c:413
Code: 01 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 c7 c0 e0 d6 6f 82 48 39 c7 0f 93 c0 48 c7 c1 b4 ed 6f 82 48 39 cf 0f 92 c1 <20> c1 0f b6 c1 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 66 0f 1f 00
RSP: 0018:ffffc900026a7168 EFLAGS: 00000287
RAX: ffffffff826fd600 RBX: ffffffff810660f8 RCX: ffffffff826fed01
RDX: 0000000000000007 RSI: ffffffff8136902e RDI: ffffffff810660f8
RBP: ffffc900026a7258 R08: 0000000000000000 R09: ffffffff83b62b60
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8136902e
R13: 0000000000000001 R14: ffffc900026a7268 R15: ffffc900026a71c8
FS: 00007f56c0ffe6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000109b65000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
get_lock_parent_ip include/linux/ftrace.h:974 [inline]
preempt_latency_start kernel/sched/core.c:5825 [inline]
preempt_count_add+0x55/0x80 kernel/sched/core.c:5850
unwind_next_frame+0x38/0xc40 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x46/0x70 kernel/stacktrace.c:122
save_stack+0xee/0x140 mm/page_owner.c:128
__reset_page_owner+0x2f/0x80 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x393/0x420 mm/page_alloc.c:2312
free_unref_page_list+0x7f/0x360 mm/page_alloc.c:2451
shrink_folio_list+0x22ca/0x27e0 mm/vmscan.c:2187
shrink_inactive_list mm/vmscan.c:2614 [inline]
shrink_list mm/vmscan.c:2855 [inline]
shrink_lruvec+0x8b2/0xdb0 mm/vmscan.c:6319
shrink_node_memcgs mm/vmscan.c:6505 [inline]
shrink_node+0x460/0x8d0 mm/vmscan.c:6540
shrink_zones mm/vmscan.c:6779 [inline]
do_try_to_free_pages+0x200/0x580 mm/vmscan.c:6841
try_to_free_mem_cgroup_pages+0x17e/0x2c0 mm/vmscan.c:7156
reclaim_high+0x86/0xb0 mm/memcontrol.c:2399
mem_cgroup_handle_over_high+0x6b/0x160 mm/memcontrol.c:2584
try_charge_memcg+0x854/0x9b0 mm/memcontrol.c:2822
try_charge mm/memcontrol.c:2833 [inline]
charge_memcg+0x44/0x190 mm/memcontrol.c:6996
__mem_cgroup_charge+0x27/0xb0 mm/memcontrol.c:7017
mem_cgroup_charge include/linux/memcontrol.h:686 [inline]
__filemap_add_folio+0x42b/0x760 mm/filemap.c:857
filemap_add_folio+0x47/0x190 mm/filemap.c:939
page_cache_ra_unbounded+0xf8/0x240 mm/readahead.c:250
do_sync_mmap_readahead+0x11f/0x1d0
filemap_fault+0x1a8/0x630 mm/filemap.c:3291
__do_fault+0x38/0x100 mm/memory.c:4204
do_read_fault mm/memory.c:4568 [inline]
do_fault mm/memory.c:4705 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault mm/memory.c:5119 [inline]
handle_mm_fault+0x85c/0x15b0 mm/memory.c:5284
faultin_page mm/gup.c:956 [inline]
__get_user_pages+0x3c2/0x7e0 mm/gup.c:1239
populate_vma_page_range+0xda/0x130 mm/gup.c:1666
__mm_populate+0xea/0x190 mm/gup.c:1775
mm_populate include/linux/mm.h:3305 [inline]
vm_mmap_pgoff+0x134/0x1b0 mm/util.c:551
ksys_mmap_pgoff+0x194/0x1f0 mm/mmap.c:1400
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f56c1c7c859
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f56c0ffe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f56c1d9bf80 RCX: 00007f56c1c7c859
RDX: 000000000000000a RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f56c1cd8ad0 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f56c1d9bf80 R15: 00007ffc1771f918