* [Bug][xfstests g/795] NFSv4 hang during drop_caches: nfs4_evict_inode waiting on DELEGRETURN
@ 2026-09-23 17:03 Zorro Lang
0 siblings, 0 replies; only message in thread
From: Zorro Lang @ 2026-09-23 17:03 UTC (permalink / raw)
To: linux-nfs
Hi,
I always hit a hang while running fstests generic/795 over NFSv4.2 (XFS
underlying) on latest mainline linux kernel (HEAD=f0100363d8c3). Not
sure if it's a known issue.
FSTYP -- nfs
PLATFORM -- Linux/x86_64 bogon 7.3.0-rc4-mainline+ #7 SMP PREEMPT_DYNAMIC Tue Sep 22 17:27:21 CST 2026
MKFS_OPTIONS -- 127.0.0.1:/export/scratch
MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 127.0.0.1:/export/scratch /mnt/scratch
generic/795 126s ... ^C^C
Test steps:
1) mkfs.xfs -f /dev/sdb && mkfs.xfs -f /dev/sdc
meta-data=/dev/sdb isize=512 agcount=4, agsize=1966080 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=1, rmapbt=1
= reflink=1 bigtime=1 inobtcount=1 nrext64=1
= exchange=1 metadir=0
data = bsize=4096 blocks=7864320, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1, parent=1
log =internal log bsize=4096 blocks=16384, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
= rgcount=0 rgsize=0 extents
= zoned=0 start=0 reserved=0
...
...
2) mount /dev/sdb /export/test && mount /dev/sdc /export/scratch
3) # cat /etc/exports
/export/test 127.0.0.1(rw,no_root_squash,no_subtree_check,fsid=101)
/export/scratch 127.0.0.1(rw,no_root_squash,no_subtree_check,fsid=102)
4) systemctl start nfs-server
5) cat xfstests; make -j8
6) cat nfs.config
export FSTYP=nfs
export TEST_DEV="127.0.0.1:/export/test"
export SCRATCH_DEV="127.0.0.1:/export/scratch"
export TEST_DIR=/mnt/test
export SCRATCH_MNT=/mnt/scratch
7) for (( i=0;i<100;i++ ));do HOST_OPTIONS=nfs.config ./check generic/795;done
My test environment is a VM configured with 4 vCPUs and 8GB RAM. The issue
reproduces for me with roughly a 20% reproduction rate.
More detail:
# rpm -q nfs-utils xfsprogs
nfs-utils-2.9.2-1.rc1.fc46.x86_64
xfsprogs-7.1.1-1.fc45.x86_64
# grep NFS linux/.config
# CONFIG_USB_FUNCTIONFS is not set
CONFIG_XENFS=m
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_KERNFS=y
CONFIG_NFS_FS=m
# CONFIG_NFS_V2 is not set
CONFIG_NFS_V3=m
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_NFS_V4_0=y
CONFIG_NFS_V4_2=y
CONFIG_PNFS_FILE_LAYOUT=m
CONFIG_PNFS_BLOCK=m
CONFIG_PNFS_FLEXFILE_LAYOUT=m
CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
# CONFIG_NFS_V4_1_MIGRATION is not set
CONFIG_NFS_V4_SECURITY_LABEL=y
CONFIG_NFS_FSCACHE=y
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
CONFIG_NFS_DEBUG=y
CONFIG_NFS_DISABLE_UDP_SUPPORT=y
# CONFIG_NFS_V4_2_READ_PLUS is not set
CONFIG_NFSD=m
# CONFIG_NFSD_V2 is not set
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_PNFS=y
CONFIG_NFSD_BLOCKLAYOUT=y
CONFIG_NFSD_SCSILAYOUT=y
CONFIG_NFSD_FLEXFILELAYOUT=y
CONFIG_NFSD_V4_2_INTER_SSC=y
CONFIG_NFSD_V4_SECURITY_LABEL=y
# CONFIG_NFSD_LEGACY_CLIENT_TRACKING is not set
# CONFIG_NFSD_V4_POSIX_ACLS is not set
CONFIG_NFS_ACL_SUPPORT=m
CONFIG_NFS_COMMON=y
CONFIG_NFS_COMMON_LOCALIO_SUPPORT=m
CONFIG_NFS_LOCALIO=y
CONFIG_NFS_V4_2_SSC_HELPER=y
# echo w > /proc/sysyrq-trigger
# dmesg
...
[ 596.543971] run fstests generic/795 at 2026-09-22 19:46:41
[ 601.432607] 795 (175925): drop_caches: 3
[ 604.318892] 795 (175925): drop_caches: 3
[ 607.321196] 795 (175925): drop_caches: 3
[ 826.827706] ohci-pci 0000:00:06.0: frame counter not updating; disabled
[ 826.827717] ohci-pci 0000:00:06.0: HC died; cleaning up
[ 826.828803] usb 1-1: USB disconnect, device number 2
[17792.723802] sysrq: Show Blocked State
[17792.723845] task:795 state:D stack:0 pid:175925 tgid:175925 ppid:175698 task_flags:0x400040 flags:0x00080000
[17792.723848] Call Trace:
[17792.723849] <TASK>
[17792.723851] __schedule+0x42d/0x1ae0
[17792.723859] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.723895] schedule+0x28/0xa0
[17792.723896] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.723920] __wait_on_bit+0x92/0xb0
[17792.723921] out_of_line_wait_on_bit+0x97/0xc0
[17792.723923] ? __pfx_wake_bit_function+0x10/0x10
[17792.723937] _nfs4_proc_delegreturn+0x3c7/0x510 [nfsv4]
[17792.723967] nfs4_proc_delegreturn+0x7f/0x150 [nfsv4]
[17792.723982] nfs_do_return_delegation+0x86/0xe0 [nfsv4]
[17792.724000] nfs_inode_evict_delegation+0xb7/0xf0 [nfsv4]
[17792.724017] nfs4_evict_inode+0x29/0x80 [nfsv4]
[17792.724033] evict+0x137/0x2b0
[17792.724038] prune_icache_sb+0x94/0xe0
[17792.724039] super_cache_scan+0x1ae/0x200
[17792.724043] do_shrink_slab+0x15b/0x400
[17792.724046] shrink_slab+0x2ad/0x400
[17792.724048] drop_slab+0x7c/0x110
[17792.724050] drop_caches_sysctl_handler+0x9c/0xc0
[17792.724052] proc_sys_call_handler+0x1d1/0x2e0
[17792.724056] vfs_write+0x281/0x570
[17792.724058] ksys_write+0x7b/0x110
[17792.724059] do_syscall_64+0xbe/0x520
[17792.724062] ? filp_flush+0x58/0x80
[17792.724063] ? __handle_mm_fault+0xb13/0xf00
[17792.724065] ? do_syscall_64+0xbe/0x520
[17792.724067] ? count_memcg_events+0xdb/0x210
[17792.724069] ? handle_mm_fault+0x216/0x350
[17792.724071] ? do_user_addr_fault+0x2c7/0x830
[17792.724075] ? clear_bhb_loop+0x60/0xb0
[17792.724077] ? do_syscall_64+0x37/0x520
[17792.724078] ? clear_bhb_loop+0x60/0xb0
[17792.724079] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.724081] RIP: 0033:0x7ffb28f67638
[17792.724082] RSP: 002b:00007fff8b670d20 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[17792.724084] RAX: ffffffffffffffda RBX: 00007ffb28ff7580 RCX: 00007ffb28f67638
[17792.724085] RDX: 0000000000000002 RSI: 0000561058ff15f0 RDI: 0000000000000001
[17792.724085] RBP: 00007fff8b670d30 R08: 0000000000000000 R09: 0000000000000000
[17792.724086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[17792.724086] R13: 0000000000000002 R14: 0000561058ff15f0 R15: 0000000000000000
[17792.724087] </TASK>
[17792.724088] task:fsstress state:D stack:0 pid:176021 tgid:176021 ppid:175941 task_flags:0x440140 flags:0x00080002
[17792.724090] Call Trace:
[17792.724090] <TASK>
[17792.724091] __schedule+0x42d/0x1ae0
[17792.724093] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.724117] schedule+0x28/0xa0
[17792.724118] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.724141] __wait_on_bit+0x92/0xb0
[17792.724142] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.724165] out_of_line_wait_on_bit+0x97/0xc0
[17792.724166] ? __pfx_wake_bit_function+0x10/0x10
[17792.724168] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.724192] rpc_execute+0x134/0x160 [sunrpc]
[17792.724215] rpc_run_task+0x115/0x180 [sunrpc]
[17792.724259] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.724275] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.724294] ? terminate_walk+0x3a/0xf0
[17792.724296] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.724310] nfs_do_access+0x104/0x2c0 [nfs]
[17792.724333] nfs_permission+0x9b/0x200 [nfs]
[17792.724344] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.724355] inode_permission+0xfa/0x180
[17792.724356] link_path_walk+0x5bf/0x6e0
[17792.724358] ? do_getname+0x62/0x200
[17792.724358] path_lookupat+0x40/0x2f0
[17792.724359] filename_lookup+0x129/0x230
[17792.724362] vfs_statx+0x8e/0x1b0
[17792.724364] vfs_fstatat+0x4d/0x90
[17792.724365] __do_sys_newfstatat+0x5a/0xa0
[17792.724367] do_syscall_64+0xbe/0x520
[17792.724368] ? mntput+0x25/0x70
[17792.724370] ? __x64_sys_chdir+0xa3/0x110
[17792.724371] ? do_syscall_64+0xbe/0x520
[17792.724373] ? kvm_sched_clock_read+0x11/0x30
[17792.724374] ? sched_clock+0x11/0x30
[17792.724376] ? sched_clock_cpu+0xf/0x230
[17792.724377] ? sched_clock+0x11/0x30
[17792.724377] ? irqtime_account_irq+0x33/0xd0
[17792.724379] ? clear_bhb_loop+0x60/0xb0
[17792.724380] ? do_syscall_64+0x37/0x520
[17792.724381] ? clear_bhb_loop+0x60/0xb0
[17792.724382] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.724383] RIP: 0033:0x7f5976161dfe
[17792.724384] RSP: 002b:00007ffc068dd698 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[17792.724385] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5976161dfe
[17792.724385] RDX: 00007ffc068dd6b0 RSI: 0000000000401f08 RDI: 00000000ffffff9c
[17792.724386] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[17792.724386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[17792.724387] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000418de0
[17792.724388] </TASK>
[17792.724389] task:fsstress state:D stack:0 pid:176022 tgid:176022 ppid:175941 task_flags:0x440140 flags:0x00080002
[17792.724390] Call Trace:
[17792.724391] <TASK>
[17792.724391] __schedule+0x42d/0x1ae0
[17792.724393] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.724416] schedule+0x28/0xa0
[17792.724417] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.724440] __wait_on_bit+0x92/0xb0
[17792.724441] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.724463] out_of_line_wait_on_bit+0x97/0xc0
[17792.724465] ? __pfx_wake_bit_function+0x10/0x10
[17792.724466] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.724489] rpc_execute+0x134/0x160 [sunrpc]
[17792.724511] rpc_run_task+0x115/0x180 [sunrpc]
[17792.724525] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.724540] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.724554] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.724568] nfs_do_access+0x104/0x2c0 [nfs]
[17792.724580] nfs_permission+0x9b/0x200 [nfs]
[17792.724591] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.724602] inode_permission+0xfa/0x180
[17792.724603] link_path_walk+0x5bf/0x6e0
[17792.724604] path_lookupat+0x40/0x2f0
[17792.724605] filename_lookup+0x129/0x230
[17792.724607] ? list_lru_add+0x90/0xf0
[17792.724609] __x64_sys_chdir+0x5d/0x110
[17792.724611] do_syscall_64+0xbe/0x520
[17792.724612] ? kmem_cache_free+0x286/0x480
[17792.724614] ? __x64_sys_close+0x47/0xa0
[17792.724615] ? switch_fpu_return+0x5e/0xf0
[17792.724616] ? do_syscall_64+0x258/0x520
[17792.724618] ? do_syscall_64+0xbe/0x520
[17792.724619] ? do_syscall_64+0x258/0x520
[17792.724620] ? clear_bhb_loop+0x60/0xb0
[17792.724621] ? do_syscall_64+0x37/0x520
[17792.724622] ? clear_bhb_loop+0x60/0xb0
[17792.724623] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.724624] RIP: 0033:0x7f5976160e5b
[17792.724624] RSP: 002b:00007ffc068dd7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
[17792.724625] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5976160e5b
[17792.724626] RDX: 0000000000000000 RSI: 6534256c3e5c7db4 RDI: 0000000000401f07
[17792.724626] RBP: 0000000000000001 R08: 000000003b5ac1e0 R09: 0000000000000020
[17792.724627] R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000000
[17792.724627] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000418de0
[17792.724628] </TASK>
[17792.724629] task:fsstress state:D stack:0 pid:176023 tgid:176023 ppid:175941 task_flags:0x400140 flags:0x00080802
[17792.724630] Call Trace:
[17792.724631] <TASK>
[17792.724631] __schedule+0x42d/0x1ae0
[17792.724635] ? psi_task_switch+0x25e/0x3b0
[17792.724636] ? _raw_spin_unlock+0xe/0x30
[17792.724638] ? finish_task_switch.isra.0+0xc3/0x400
[17792.724640] schedule+0x28/0xa0
[17792.724642] __wait_on_freeing_inode+0x15a/0x190
[17792.724644] ? __pfx_var_wake_function+0x10/0x10
[17792.724645] ? __pfx_nfs_find_actor+0x10/0x10 [nfs]
[17792.724657] find_inode+0xeb/0x140
[17792.724659] ? __pfx_nfs_find_actor+0x10/0x10 [nfs]
[17792.724671] ilookup5+0xa7/0x130
[17792.724673] ? __pfx_nfs_find_actor+0x10/0x10 [nfs]
[17792.724685] ? __pfx_nfs_init_locked+0x10/0x10 [nfs]
[17792.724697] iget5_locked+0x2c/0x90
[17792.724698] nfs_fhget+0x10d/0x820 [nfs]
[17792.724711] _nfs4_opendata_to_nfs4_state+0x6b/0x240 [nfsv4]
[17792.724725] nfs4_do_open+0x427/0xe80 [nfsv4]
[17792.724740] ? xa_load+0x76/0xb0
[17792.724742] ? __memcg_slab_post_alloc_hook+0x43f/0x640
[17792.724744] nfs4_atomic_open+0x156/0x180 [nfsv4]
[17792.724757] nfs_atomic_open+0x252/0x730 [nfs]
[17792.724769] ? __d_alloc+0x75/0x230
[17792.724771] atomic_open+0x58/0x1a0
[17792.724773] lookup_open+0x233/0x8c0
[17792.724774] ? link_path_walk+0x20c/0x6e0
[17792.724775] path_openat+0x57c/0xb00
[17792.724777] ? do_syscall_64+0xbe/0x520
[17792.724778] do_file_open+0x117/0x1d0
[17792.724780] ? do_getname+0x62/0x200
[17792.724781] do_sys_openat2+0x7d/0xe0
[17792.724783] __x64_sys_openat+0x61/0xa0
[17792.724784] do_syscall_64+0xbe/0x520
[17792.724785] ? do_syscall_64+0xbe/0x520
[17792.724787] ? kvm_sched_clock_read+0x11/0x30
[17792.724788] ? sched_clock+0x11/0x30
[17792.724789] ? sched_clock_cpu+0xf/0x230
[17792.724790] ? sched_clock+0x11/0x30
[17792.724790] ? irqtime_account_irq+0x33/0xd0
[17792.724791] ? clear_bhb_loop+0x60/0xb0
[17792.724792] ? do_syscall_64+0x37/0x520
[17792.724793] ? clear_bhb_loop+0x60/0xb0
[17792.724794] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.724795] RIP: 0033:0x7f5976165f37
[17792.724796] RSP: 002b:00007ffc068dcff0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.724796] RAX: ffffffffffffffda RBX: 0000000016fe73b2 RCX: 00007f5976165f37
[17792.724797] RDX: 0000000000000002 RSI: 000000003b5b0550 RDI: ffffffffffffff9c
[17792.724797] RBP: 00007ffc068dd060 R08: 0000000000000000 R09: 0000000000000000
[17792.724798] R10: 0000000000000000 R11: 0000000000000246 R12: 028f5c28f5c28f5c
[17792.724798] R13: 8f5c28f5c28f5c29 R14: 0000000000000002 R15: 0000000000418de0
[17792.724800] </TASK>
[17792.724800] task:cmp state:D stack:0 pid:184308 tgid:184308 ppid:175911 task_flags:0x440000 flags:0x00080000
[17792.724801] Call Trace:
[17792.724802] <TASK>
[17792.724802] __schedule+0x42d/0x1ae0
[17792.724804] ? __pfx_lru_add+0x10/0x10
[17792.724806] ? folio_batch_move_lru+0x1eb/0x2d0
[17792.724807] ? mas_store_prealloc+0x1fb/0x550
[17792.724809] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.724832] schedule+0x28/0xa0
[17792.724834] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.724856] __wait_on_bit+0x92/0xb0
[17792.724857] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.724879] out_of_line_wait_on_bit+0x97/0xc0
[17792.724880] ? __pfx_wake_bit_function+0x10/0x10
[17792.724882] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.724904] ? timerqueue_linked_add+0x9a/0xf0
[17792.724905] rpc_execute+0x134/0x160 [sunrpc]
[17792.724927] rpc_run_task+0x115/0x180 [sunrpc]
[17792.724941] _nfs4_proc_getattr+0x28d/0x410 [nfsv4]
[17792.724956] ? schedule_preempt_disabled+0x16/0x30
[17792.724957] nfs4_proc_getattr+0x97/0x120 [nfsv4]
[17792.724971] __nfs_revalidate_inode+0xe1/0x370 [nfs]
[17792.724985] nfs_revalidate_mapping+0x4f/0x80 [nfs]
[17792.724999] nfs_file_read+0xcd/0x130 [nfs]
[17792.725011] vfs_read+0x34d/0x490
[17792.725012] ? asm_exc_page_fault+0x26/0x30
[17792.725013] ksys_read+0x7b/0x110
[17792.725014] do_syscall_64+0xbe/0x520
[17792.725016] ? __account_obj_stock+0x97/0x360
[17792.725018] ? __memcg_slab_post_alloc_hook+0x43f/0x640
[17792.725019] ? copy_page_to_iter+0xb6/0x170
[17792.725023] ? touch_atime+0x2c/0x1b0
[17792.725024] ? filemap_read+0x43d/0x4a0
[17792.725028] ? nfs_file_read+0xe0/0x130 [nfs]
[17792.725040] ? vfs_read+0x34d/0x490
[17792.725041] ? wakeup_preempt_fair+0x1f2/0x4f0
[17792.725043] ? switch_fpu_return+0x5e/0xf0
[17792.725044] ? do_syscall_64+0x258/0x520
[17792.725045] ? kvm_sched_clock_read+0x11/0x30
[17792.725047] ? sched_clock+0x11/0x30
[17792.725047] ? sched_clock_cpu+0xf/0x230
[17792.725048] ? sched_clock+0x11/0x30
[17792.725049] ? irqtime_account_irq+0x33/0xd0
[17792.725050] ? clear_bhb_loop+0x60/0xb0
[17792.725051] ? do_syscall_64+0x37/0x520
[17792.725052] ? clear_bhb_loop+0x60/0xb0
[17792.725053] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.725054] RIP: 0033:0x7f57d2966a6d
[17792.725054] RSP: 002b:00007ffc262f8940 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[17792.725055] RAX: ffffffffffffffda RBX: 0000000000100000 RCX: 00007f57d2966a6d
[17792.725055] RDX: 0000000000100000 RSI: 00007f57d26ff018 RDI: 0000000000000004
[17792.725056] RBP: 00007ffc262f8950 R08: 0000000000000000 R09: 0000000000000000
[17792.725056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f57d26ff018
[17792.725057] R13: 00007f57d27ff018 R14: 7fffffffffffffff R15: 0000000000000004
[17792.725058] </TASK>
[17792.725059] task:cmp state:D stack:0 pid:184316 tgid:184316 ppid:175896 task_flags:0x400000 flags:0x00080000
[17792.725061] Call Trace:
[17792.725061] <TASK>
[17792.725062] __schedule+0x42d/0x1ae0
[17792.725063] ? copy_page_to_iter+0xb6/0x170
[17792.725064] ? touch_atime+0x2c/0x1b0
[17792.725065] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.725088] schedule+0x28/0xa0
[17792.725089] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.725112] __wait_on_bit+0x92/0xb0
[17792.725113] out_of_line_wait_on_bit+0x97/0xc0
[17792.725115] ? __pfx_wake_bit_function+0x10/0x10
[17792.725116] nfs4_do_close+0x2f7/0x3c0 [nfsv4]
[17792.725131] __put_nfs_open_context+0xf1/0x190 [nfs]
[17792.725144] nfs_file_release+0x41/0x60 [nfs]
[17792.725157] __fput+0xf6/0x2d0
[17792.725159] __x64_sys_close+0x47/0xa0
[17792.725160] do_syscall_64+0xbe/0x520
[17792.725162] ? nfs_file_read+0xe0/0x130 [nfs]
[17792.725174] ? vfs_read+0x34d/0x490
[17792.725175] ? ksys_read+0x7b/0x110
[17792.725176] ? do_syscall_64+0xbe/0x520
[17792.725178] ? do_syscall_64+0xbe/0x520
[17792.725179] ? ksys_read+0x7b/0x110
[17792.725180] ? clear_bhb_loop+0x60/0xb0
[17792.725210] ? do_syscall_64+0x37/0x520
[17792.725212] ? clear_bhb_loop+0x60/0xb0
[17792.725213] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.725219] RIP: 0033:0x7f3815760f74
[17792.725220] RSP: 002b:00007ffd74ad5698 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[17792.725221] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3815760f74
[17792.725222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[17792.725222] RBP: 00007ffd74ad58b0 R08: 0000000000000000 R09: 0000000000000000
[17792.725223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000089680
[17792.725223] R13: 00000000000008ac R14: 0000000000089680 R15: 0000000000089680
[17792.725225] </TASK>
[17792.725227] task:cmp state:D stack:0 pid:184330 tgid:184330 ppid:175910 task_flags:0x400000 flags:0x00080800
[17792.725228] Call Trace:
[17792.725229] <TASK>
[17792.725230] __schedule+0x42d/0x1ae0
[17792.725231] ? _raw_spin_unlock+0xe/0x30
[17792.725233] ? finish_task_switch.isra.0+0xc3/0x400
[17792.725234] schedule+0x28/0xa0
[17792.725236] __wait_on_freeing_inode+0x15a/0x190
[17792.725237] ? __pfx_var_wake_function+0x10/0x10
[17792.725239] ? __pfx_nfs_find_actor+0x10/0x10 [nfs]
[17792.725251] find_inode+0xeb/0x140
[17792.725253] ? __pfx_nfs_find_actor+0x10/0x10 [nfs]
[17792.725265] ilookup5+0xa7/0x130
[17792.725266] ? __pfx_nfs_find_actor+0x10/0x10 [nfs]
[17792.725278] ? __pfx_nfs_init_locked+0x10/0x10 [nfs]
[17792.725290] iget5_locked+0x2c/0x90
[17792.725291] nfs_fhget+0x10d/0x820 [nfs]
[17792.725304] _nfs4_opendata_to_nfs4_state+0x6b/0x240 [nfsv4]
[17792.725319] nfs4_do_open+0x427/0xe80 [nfsv4]
[17792.725333] ? xa_load+0x76/0xb0
[17792.725334] ? __memcg_slab_post_alloc_hook+0x43f/0x640
[17792.725336] nfs4_atomic_open+0x156/0x180 [nfsv4]
[17792.725350] nfs_atomic_open+0x252/0x730 [nfs]
[17792.725361] ? __d_alloc+0x75/0x230
[17792.725363] atomic_open+0x58/0x1a0
[17792.725365] lookup_open+0x233/0x8c0
[17792.725366] ? link_path_walk+0x20c/0x6e0
[17792.725367] path_openat+0x57c/0xb00
[17792.725369] do_file_open+0x117/0x1d0
[17792.725371] ? do_getname+0x62/0x200
[17792.725371] do_sys_openat2+0x7d/0xe0
[17792.725373] __x64_sys_openat+0x61/0xa0
[17792.725374] do_syscall_64+0xbe/0x520
[17792.725375] ? handle_mm_fault+0x216/0x350
[17792.725377] ? do_user_addr_fault+0x2c7/0x830
[17792.725378] ? clear_bhb_loop+0x60/0xb0
[17792.725379] ? do_syscall_64+0x37/0x520
[17792.725381] ? clear_bhb_loop+0x60/0xb0
[17792.725381] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.725382] RIP: 0033:0x7fadec365f37
[17792.725383] RSP: 002b:00007ffe8cf75a00 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.725384] RAX: ffffffffffffffda RBX: 000055df223c8410 RCX: 00007fadec365f37
[17792.725384] RDX: 0000000000080000 RSI: 00007ffe8cf77e89 RDI: ffffffffffffff9c
[17792.725385] RBP: 00007ffe8cf75a70 R08: 0000000000000000 R09: 0000000000000000
[17792.725385] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8cf77e89
[17792.725386] R13: 000055df223c82e0 R14: 000055df223c8400 R15: 0000000000000000
[17792.725387] </TASK>
[17792.725388] task:cmp state:D stack:0 pid:184336 tgid:184336 ppid:175909 task_flags:0x440000 flags:0x00080000
[17792.725389] Call Trace:
[17792.725390] <TASK>
[17792.725390] __schedule+0x42d/0x1ae0
[17792.725392] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.725415] schedule+0x28/0xa0
[17792.725417] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.725439] __wait_on_bit+0x92/0xb0
[17792.725441] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.725463] out_of_line_wait_on_bit+0x97/0xc0
[17792.725464] ? __pfx_wake_bit_function+0x10/0x10
[17792.725466] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.725488] rpc_execute+0x134/0x160 [sunrpc]
[17792.725511] rpc_run_task+0x115/0x180 [sunrpc]
[17792.725527] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.725542] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.725557] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.725570] nfs_do_access+0x104/0x2c0 [nfs]
[17792.725582] nfs_permission+0x9b/0x200 [nfs]
[17792.725594] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.725605] inode_permission+0xfa/0x180
[17792.725606] link_path_walk+0x5bf/0x6e0
[17792.725607] path_openat+0x95/0xb00
[17792.725608] do_file_open+0x117/0x1d0
[17792.725610] ? do_fcntl+0x7af/0x980
[17792.725611] ? do_getname+0x62/0x200
[17792.725612] do_sys_openat2+0x7d/0xe0
[17792.725613] __x64_sys_openat+0x61/0xa0
[17792.725614] do_syscall_64+0xbe/0x520
[17792.725616] ? _raw_spin_unlock+0xe/0x30
[17792.725617] ? filemap_map_pages+0x398/0x860
[17792.725618] ? xas_load+0x11/0xf0
[17792.725620] ? __account_obj_stock+0x97/0x360
[17792.725622] ? do_fault+0x401/0x650
[17792.725623] ? __pte_offset_map+0x1b/0x100
[17792.725625] ? __handle_mm_fault+0x818/0xf00
[17792.725626] ? __x64_sys_rt_sigaction+0x11a/0x150
[17792.725629] ? count_memcg_events+0xdb/0x210
[17792.725630] ? handle_mm_fault+0x216/0x350
[17792.725632] ? do_user_addr_fault+0x2c7/0x830
[17792.725633] ? clear_bhb_loop+0x60/0xb0
[17792.725634] ? do_syscall_64+0x37/0x520
[17792.725635] ? clear_bhb_loop+0x60/0xb0
[17792.725636] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.725637] RIP: 0033:0x7fd699565f37
[17792.725637] RSP: 002b:00007ffd4a363d20 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.725638] RAX: ffffffffffffffda RBX: 00005641918d3410 RCX: 00007fd699565f37
[17792.725639] RDX: 0000000000080000 RSI: 00007ffd4a364e89 RDI: ffffffffffffff9c
[17792.725639] RBP: 00007ffd4a363d90 R08: 0000000000000000 R09: 0000000000000000
[17792.725639] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4a364e89
[17792.725640] R13: 00005641918d32e0 R14: 00005641918d3400 R15: 0000000000000000
[17792.725641] </TASK>
[17792.725643] task:cp state:D stack:0 pid:184342 tgid:184342 ppid:175877 task_flags:0x440000 flags:0x00080000
[17792.725644] Call Trace:
[17792.725645] <TASK>
[17792.725645] __schedule+0x42d/0x1ae0
[17792.725647] ? mas_wr_split+0x680/0x1730
[17792.725649] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.725671] schedule+0x28/0xa0
[17792.725672] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.725693] __wait_on_bit+0x92/0xb0
[17792.725695] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.725716] out_of_line_wait_on_bit+0x97/0xc0
[17792.725718] ? __pfx_wake_bit_function+0x10/0x10
[17792.725719] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.725742] rpc_execute+0x134/0x160 [sunrpc]
[17792.725765] rpc_run_task+0x115/0x180 [sunrpc]
[17792.725779] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.725793] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.725817] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.725830] nfs_do_access+0x104/0x2c0 [nfs]
[17792.725842] nfs_permission+0x9b/0x200 [nfs]
[17792.725854] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.725865] inode_permission+0xfa/0x180
[17792.725866] link_path_walk+0x5bf/0x6e0
[17792.725867] ? security_file_alloc+0xa6/0x150
[17792.725871] path_lookupat+0x40/0x2f0
[17792.725872] path_openat+0x73c/0xb00
[17792.725874] do_file_open+0x117/0x1d0
[17792.725876] ? do_getname+0x62/0x200
[17792.725876] do_sys_openat2+0x7d/0xe0
[17792.725878] __x64_sys_openat+0x61/0xa0
[17792.725879] do_syscall_64+0xbe/0x520
[17792.725880] ? clear_bhb_loop+0x60/0xb0
[17792.725881] ? do_syscall_64+0x37/0x520
[17792.725882] ? clear_bhb_loop+0x60/0xb0
[17792.725883] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.725884] RIP: 0033:0x7f53beb65f37
[17792.725884] RSP: 002b:00007ffc30c2c430 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.725885] RAX: ffffffffffffffda RBX: 00007ffc30c2c7e0 RCX: 00007f53beb65f37
[17792.725886] RDX: 0000000000210000 RSI: 00007ffc30c2ee9e RDI: ffffffffffffff9c
[17792.725886] RBP: 00007ffc30c2c4a0 R08: 0000000000000000 R09: 0000000000000000
[17792.725887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[17792.725887] R13: 00007ffc30c2c600 R14: 0000000000000000 R15: 0000000000000000
[17792.725888] </TASK>
[17792.725889] task:cmp state:D stack:0 pid:184343 tgid:184343 ppid:175899 task_flags:0x440000 flags:0x00080000
[17792.725890] Call Trace:
[17792.725891] <TASK>
[17792.725892] __schedule+0x42d/0x1ae0
[17792.725893] ? map_anon_folio_pte_nopf+0xf1/0x1c0
[17792.725895] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.725917] schedule+0x28/0xa0
[17792.725918] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.725940] __wait_on_bit+0x92/0xb0
[17792.725942] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.725964] out_of_line_wait_on_bit+0x97/0xc0
[17792.725965] ? __pfx_wake_bit_function+0x10/0x10
[17792.725966] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.725989] rpc_execute+0x134/0x160 [sunrpc]
[17792.726011] rpc_run_task+0x115/0x180 [sunrpc]
[17792.726025] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.726039] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.726053] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.726090] nfs_do_access+0x104/0x2c0 [nfs]
[17792.726102] nfs_permission+0x9b/0x200 [nfs]
[17792.726114] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.726131] inode_permission+0xfa/0x180
[17792.726132] link_path_walk+0x5bf/0x6e0
[17792.726133] path_openat+0x95/0xb00
[17792.726135] ? next_uptodate_folio+0x93/0x320
[17792.726136] do_file_open+0x117/0x1d0
[17792.726138] ? do_getname+0x62/0x200
[17792.726139] do_sys_openat2+0x7d/0xe0
[17792.726141] __x64_sys_openat+0x61/0xa0
[17792.726141] do_syscall_64+0xbe/0x520
[17792.726143] ? count_memcg_events+0xdb/0x210
[17792.726144] ? handle_mm_fault+0x216/0x350
[17792.726146] ? do_user_addr_fault+0x2c7/0x830
[17792.726147] ? clear_bhb_loop+0x60/0xb0
[17792.726148] ? do_syscall_64+0x37/0x520
[17792.726149] ? clear_bhb_loop+0x60/0xb0
[17792.726150] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.726151] RIP: 0033:0x7f177b165f37
[17792.726151] RSP: 002b:00007ffea9a94920 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.726152] RAX: ffffffffffffffda RBX: 0000560c173d2410 RCX: 00007f177b165f37
[17792.726153] RDX: 0000000000080000 RSI: 00007ffea9a96e89 RDI: ffffffffffffff9c
[17792.726153] RBP: 00007ffea9a94990 R08: 0000000000000000 R09: 0000000000000000
[17792.726153] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea9a96e89
[17792.726154] R13: 0000560c173d22e0 R14: 0000560c173d2400 R15: 0000000000000000
[17792.726155] </TASK>
[17792.726156] task:cmp state:D stack:0 pid:184344 tgid:184344 ppid:175924 task_flags:0x440000 flags:0x00080000
[17792.726157] Call Trace:
[17792.726158] <TASK>
[17792.726158] __schedule+0x42d/0x1ae0
[17792.726160] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.726182] schedule+0x28/0xa0
[17792.726184] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.726206] __wait_on_bit+0x92/0xb0
[17792.726207] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.726230] out_of_line_wait_on_bit+0x97/0xc0
[17792.726231] ? __pfx_wake_bit_function+0x10/0x10
[17792.726232] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.726254] ? free_pages_and_swap_cache+0x19f/0x260
[17792.726256] rpc_execute+0x134/0x160 [sunrpc]
[17792.726278] rpc_run_task+0x115/0x180 [sunrpc]
[17792.726292] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.726306] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.726320] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.726334] nfs_do_access+0x104/0x2c0 [nfs]
[17792.726346] nfs_permission+0x9b/0x200 [nfs]
[17792.726357] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.726368] inode_permission+0xfa/0x180
[17792.726369] link_path_walk+0x5bf/0x6e0
[17792.726370] path_openat+0x95/0xb00
[17792.726372] ? filemap_map_pages+0x398/0x860
[17792.726373] do_file_open+0x117/0x1d0
[17792.726375] ? do_getname+0x62/0x200
[17792.726376] do_sys_openat2+0x7d/0xe0
[17792.726377] __x64_sys_openat+0x61/0xa0
[17792.726378] do_syscall_64+0xbe/0x520
[17792.726380] ? handle_mm_fault+0x216/0x350
[17792.726381] ? do_user_addr_fault+0x2c7/0x830
[17792.726382] ? clear_bhb_loop+0x60/0xb0
[17792.726383] ? do_syscall_64+0x37/0x520
[17792.726384] ? clear_bhb_loop+0x60/0xb0
[17792.726385] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.726386] RIP: 0033:0x7fb736565f37
[17792.726386] RSP: 002b:00007ffd8ce14440 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.726387] RAX: ffffffffffffffda RBX: 000055d0fccc1410 RCX: 00007fb736565f37
[17792.726387] RDX: 0000000000080000 RSI: 00007ffd8ce15e89 RDI: ffffffffffffff9c
[17792.726388] RBP: 00007ffd8ce144b0 R08: 0000000000000000 R09: 0000000000000000
[17792.726388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8ce15e89
[17792.726389] R13: 000055d0fccc12e0 R14: 000055d0fccc1400 R15: 0000000000000000
[17792.726390] </TASK>
[17792.726393] task:rm state:D stack:0 pid:184355 tgid:184355 ppid:175889 task_flags:0x440000 flags:0x00080000
[17792.726394] Call Trace:
[17792.726395] <TASK>
[17792.726395] __schedule+0x42d/0x1ae0
[17792.726397] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.726419] schedule+0x28/0xa0
[17792.726420] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.726442] __wait_on_bit+0x92/0xb0
[17792.726444] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.726465] out_of_line_wait_on_bit+0x97/0xc0
[17792.726466] ? __pfx_wake_bit_function+0x10/0x10
[17792.726468] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.726490] rpc_execute+0x134/0x160 [sunrpc]
[17792.726512] rpc_run_task+0x115/0x180 [sunrpc]
[17792.726526] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.726540] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.726555] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.726568] nfs_do_access+0x104/0x2c0 [nfs]
[17792.726580] ? post_alloc_hook+0x88/0xe0
[17792.726582] nfs_permission+0x9b/0x200 [nfs]
[17792.726593] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.726604] inode_permission+0xfa/0x180
[17792.726605] link_path_walk+0x5bf/0x6e0
[17792.726606] path_lookupat+0x40/0x2f0
[17792.726607] filename_lookup+0x129/0x230
[17792.726608] ? __mod_memcg_lruvec_state+0xef/0x230
[17792.726611] vfs_statx+0x8e/0x1b0
[17792.726612] vfs_fstatat+0x4d/0x90
[17792.726614] __do_sys_newfstatat+0x5a/0xa0
[17792.726616] do_syscall_64+0xbe/0x520
[17792.726617] ? clear_bhb_loop+0x60/0xb0
[17792.726618] ? do_syscall_64+0x37/0x520
[17792.726619] ? clear_bhb_loop+0x60/0xb0
[17792.726620] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.726621] RIP: 0033:0x7f113bb61dfe
[17792.726622] RSP: 002b:00007fff64904bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[17792.726622] RAX: ffffffffffffffda RBX: 00005578c0e36380 RCX: 00007f113bb61dfe
[17792.726623] RDX: 00005578c0e36380 RSI: 00005578c0e36410 RDI: 00000000ffffff9c
[17792.726623] RBP: 00007fff64904c00 R08: 00007f113bbf6ac0 R09: 0000000000000120
[17792.726624] R10: 0000000000000100 R11: 0000000000000246 R12: 00005578c0e36310
[17792.726624] R13: 00005578c0e35060 R14: 0000000000000000 R15: 00007fff64906e9e
[17792.726625] </TASK>
[17792.726626] task:rm state:D stack:0 pid:184356 tgid:184356 ppid:175883 task_flags:0x440000 flags:0x00080000
[17792.726627] Call Trace:
[17792.726628] <TASK>
[17792.726628] __schedule+0x42d/0x1ae0
[17792.726630] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.726652] schedule+0x28/0xa0
[17792.726654] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.726675] __wait_on_bit+0x92/0xb0
[17792.726677] ? _raw_spin_unlock+0xe/0x30
[17792.726678] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.726700] out_of_line_wait_on_bit+0x97/0xc0
[17792.726701] ? __pfx_wake_bit_function+0x10/0x10
[17792.726702] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.726725] rpc_execute+0x134/0x160 [sunrpc]
[17792.726747] rpc_run_task+0x115/0x180 [sunrpc]
[17792.726761] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.726776] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.726790] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.726804] nfs_do_access+0x104/0x2c0 [nfs]
[17792.726816] nfs_permission+0x9b/0x200 [nfs]
[17792.726828] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.726839] inode_permission+0xfa/0x180
[17792.726840] link_path_walk+0x5bf/0x6e0
[17792.726841] path_lookupat+0x40/0x2f0
[17792.726842] filename_lookup+0x129/0x230
[17792.726844] vfs_statx+0x8e/0x1b0
[17792.726846] vfs_fstatat+0x4d/0x90
[17792.726847] __do_sys_newfstatat+0x5a/0xa0
[17792.726849] do_syscall_64+0xbe/0x520
[17792.726851] ? __x64_sys_ioctl+0x98/0x100
[17792.726852] ? do_syscall_64+0xbe/0x520
[17792.726853] ? __mod_memcg_state+0xd9/0x1d0
[17792.726855] ? __mod_memcg_lruvec_state+0xef/0x230
[17792.726856] ? lruvec_stat_mod_folio+0x7d/0xc0
[17792.726857] ? __folio_mod_stat+0x2d/0x90
[17792.726858] ? map_anon_folio_pte_nopf+0xf1/0x1c0
[17792.726860] ? _raw_spin_unlock+0xe/0x30
[17792.726861] ? do_anonymous_page+0x331/0x9f0
[17792.726862] ? __pte_offset_map+0x1b/0x100
[17792.726863] ? __handle_mm_fault+0xb83/0xf00
[17792.726865] ? count_memcg_events+0xdb/0x210
[17792.726866] ? handle_mm_fault+0x216/0x350
[17792.726868] ? do_user_addr_fault+0x2c7/0x830
[17792.726869] ? clear_bhb_loop+0x60/0xb0
[17792.726870] ? do_syscall_64+0x37/0x520
[17792.726871] ? clear_bhb_loop+0x60/0xb0
[17792.726872] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.726873] RIP: 0033:0x7efe00161dfe
[17792.726873] RSP: 002b:00007fff2eba4198 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[17792.726874] RAX: ffffffffffffffda RBX: 000055d001658380 RCX: 00007efe00161dfe
[17792.726874] RDX: 000055d001658380 RSI: 000055d001658410 RDI: 00000000ffffff9c
[17792.726875] RBP: 00007fff2eba41d0 R08: 00007efe001f6ac0 R09: 0000000000000120
[17792.726875] R10: 0000000000000100 R11: 0000000000000246 R12: 000055d001658310
[17792.726876] R13: 000055d001657060 R14: 0000000000000000 R15: 00007fff2eba5e9e
[17792.726877] </TASK>
[17792.726878] task:rm state:D stack:0 pid:184357 tgid:184357 ppid:175895 task_flags:0x440000 flags:0x00080000
[17792.726879] Call Trace:
[17792.726879] <TASK>
[17792.726880] __schedule+0x42d/0x1ae0
[17792.726882] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.726904] schedule+0x28/0xa0
[17792.726905] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.726927] __wait_on_bit+0x92/0xb0
[17792.726928] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.726951] out_of_line_wait_on_bit+0x97/0xc0
[17792.726953] ? __pfx_wake_bit_function+0x10/0x10
[17792.726954] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.726977] rpc_execute+0x134/0x160 [sunrpc]
[17792.726999] rpc_run_task+0x115/0x180 [sunrpc]
[17792.727015] nfs4_call_sync+0xd6/0x110 [nfsv4]
[17792.727029] _nfs4_proc_access+0x137/0x1e0 [nfsv4]
[17792.727048] nfs4_proc_access+0x6a/0xf0 [nfsv4]
[17792.727062] nfs_do_access+0x104/0x2c0 [nfs]
[17792.727074] nfs_permission+0x9b/0x200 [nfs]
[17792.727086] ? __pfx_nfs_permission+0x10/0x10 [nfs]
[17792.727097] inode_permission+0xfa/0x180
[17792.727098] link_path_walk+0x5bf/0x6e0
[17792.727099] path_lookupat+0x40/0x2f0
[17792.727100] filename_lookup+0x129/0x230
[17792.727103] vfs_statx+0x8e/0x1b0
[17792.727104] vfs_fstatat+0x4d/0x90
[17792.727106] __do_sys_newfstatat+0x5a/0xa0
[17792.727108] do_syscall_64+0xbe/0x520
[17792.727109] ? handle_mm_fault+0x216/0x350
[17792.727110] ? do_user_addr_fault+0x2c7/0x830
[17792.727111] ? clear_bhb_loop+0x60/0xb0
[17792.727112] ? do_syscall_64+0x37/0x520
[17792.727113] ? clear_bhb_loop+0x60/0xb0
[17792.727114] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.727115] RIP: 0033:0x7f1a93561dfe
[17792.727116] RSP: 002b:00007ffd3eabd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[17792.727116] RAX: ffffffffffffffda RBX: 000055aa2e399380 RCX: 00007f1a93561dfe
[17792.727117] RDX: 000055aa2e399380 RSI: 000055aa2e399410 RDI: 00000000ffffff9c
[17792.727117] RBP: 00007ffd3eabd1a0 R08: 00007f1a935f6ac0 R09: 0000000000000120
[17792.727118] R10: 0000000000000100 R11: 0000000000000246 R12: 000055aa2e399310
[17792.727118] R13: 000055aa2e398060 R14: 0000000000000000 R15: 00007ffd3eabee9e
[17792.727119] </TASK>
[17792.727124] task:updatedb state:D stack:0 pid:189696 tgid:189696 ppid:1 task_flags:0x440100 flags:0x00080000
[17792.727126] Call Trace:
[17792.727127] <TASK>
[17792.727127] __schedule+0x42d/0x1ae0
[17792.727129] ? xfs_read_icluster+0x97/0xe0 [xfs]
[17792.727309] ? blk_mq_flush_plug_list+0x51/0x1b0
[17792.727312] ? __pfx_rpc_wait_bit_killable+0x10/0x10 [sunrpc]
[17792.727339] schedule+0x28/0xa0
[17792.727341] rpc_wait_bit_killable+0x11/0x70 [sunrpc]
[17792.727363] __wait_on_bit+0x92/0xb0
[17792.727364] ? rpc_sleep_on+0x60/0x90 [sunrpc]
[17792.727386] out_of_line_wait_on_bit+0x97/0xc0
[17792.727388] ? __pfx_wake_bit_function+0x10/0x10
[17792.727389] __rpc_execute+0x142/0x4c0 [sunrpc]
[17792.727412] ? context_to_sid+0x73/0x110
[17792.727414] rpc_execute+0x134/0x160 [sunrpc]
[17792.727436] rpc_run_task+0x115/0x180 [sunrpc]
[17792.727451] _nfs4_proc_getattr+0x28d/0x410 [nfsv4]
[17792.727471] ? avc_has_perm_noaudit+0x7e/0x150
[17792.727473] nfs4_proc_getattr+0x97/0x120 [nfsv4]
[17792.727487] __nfs_revalidate_inode+0xe1/0x370 [nfs]
[17792.727505] nfs_lookup_verify_inode+0x87/0xc0 [nfs]
[17792.727516] nfs_weak_revalidate+0x51/0x90 [nfs]
[17792.727527] complete_walk+0x77/0xb0
[17792.727528] path_openat+0x5b9/0xb00
[17792.727529] do_file_open+0x117/0x1d0
[17792.727531] ? __list_lru_add.part.0+0x2f/0x90
[17792.727533] ? do_getname+0x62/0x200
[17792.727534] do_sys_openat2+0x7d/0xe0
[17792.727536] __x64_sys_openat+0x61/0xa0
[17792.727537] do_syscall_64+0xbe/0x520
[17792.727538] ? list_lru_add+0x90/0xf0
[17792.727540] ? __memcg_slab_free_hook+0x16d/0x1c0
[17792.727541] ? list_lru_add_obj+0x87/0xa0
[17792.727542] ? kmem_cache_free+0x286/0x480
[17792.727544] ? __x64_sys_close+0x47/0xa0
[17792.727544] ? __x64_sys_close+0x47/0xa0
[17792.727545] ? do_syscall_64+0xbe/0x520
[17792.727546] ? xas_load+0x11/0xf0
[17792.727548] ? xa_load+0x76/0xb0
[17792.727549] ? __list_lru_add.part.0+0x2f/0x90
[17792.727550] ? _raw_spin_unlock+0xe/0x30
[17792.727551] ? list_lru_add+0x90/0xf0
[17792.727553] ? __memcg_slab_free_hook+0x16d/0x1c0
[17792.727553] ? list_lru_add_obj+0x87/0xa0
[17792.727555] ? kmem_cache_free+0x286/0x480
[17792.727556] ? __x64_sys_close+0x47/0xa0
[17792.727557] ? __x64_sys_close+0x47/0xa0
[17792.727557] ? clear_bhb_loop+0x60/0xb0
[17792.727558] ? do_syscall_64+0x37/0x520
[17792.727560] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[17792.727561] RIP: 0033:0x7ff5287660dd
[17792.727562] RSP: 002b:00007fff81bbae60 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[17792.727563] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5287660dd
[17792.727563] RDX: 0000000000010000 RSI: 000055c376d6a990 RDI: 000000000000000c
[17792.727564] RBP: 00007fff81bbaed0 R08: 0000000000000000 R09: 0000000000000000
[17792.727564] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff81bbb0f0
[17792.727565] R13: 0000000000000000 R14: 000055c376e97460 R15: 000055c376d6a980
[17792.727566] </TASK>
...
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2026-09-23 17:03 [Bug][xfstests g/795] NFSv4 hang during drop_caches: nfs4_evict_inode waiting on DELEGRETURN Zorro Lang
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