INFO: task kworker/u8:7:162 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7 state:D stack:20328 pid:162 tgid:162 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: writeback wb_workfn (flush-btrfs-77)
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
__schedule_loop kernel/sched/core.c:6990 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7005
wait_extent_bit fs/btrfs/extent-io-tree.c:811 [inline]
btrfs_lock_extent_bits+0x59c/0x700 fs/btrfs/extent-io-tree.c:1914
btrfs_lock_extent fs/btrfs/extent-io-tree.h:152 [inline]
btrfs_invalidate_folio+0x43d/0xc40 fs/btrfs/inode.c:7685
extent_writepage fs/btrfs/extent_io.c:1852 [inline]
extent_write_cache_pages fs/btrfs/extent_io.c:2580 [inline]
btrfs_writepages+0x12ff/0x2440 fs/btrfs/extent_io.c:2713
do_writepages+0x32e/0x550 mm/page-writeback.c:2554
__writeback_single_inode+0x133/0x11a0 fs/fs-writeback.c:1750
writeback_sb_inodes+0x995/0x19d0 fs/fs-writeback.c:2042
wb_writeback+0x456/0xb70 fs/fs-writeback.c:2227
wb_do_writeback fs/fs-writeback.c:2374 [inline]
wb_workfn+0x41a/0xf60 fs/fs-writeback.c:2414
process_one_work kernel/workqueue.c:3275 [inline]
process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.0.719:11776 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.719 state:D stack:24832 pid:11776 tgid:11776 ppid:5794 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
__schedule_loop kernel/sched/core.c:6990 [inline]
rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7286
rt_mutex_slowlock_block kernel/locking/rtmutex.c:1647 [inline]
__rt_mutex_slowlock kernel/locking/rtmutex.c:1721 [inline]
__rt_mutex_slowlock_locked+0x1f8f/0x25c0 kernel/locking/rtmutex.c:1760
__rwbase_read_lock+0xc3/0x180 kernel/locking/rwbase_rt.c:114
rwbase_read_lock kernel/locking/rwbase_rt.c:147 [inline]
__down_read kernel/locking/rwsem.c:1466 [inline]
down_read+0x132/0x200 kernel/locking/rwsem.c:1539
btrfs_page_mkwrite+0x60e/0x1b10 fs/btrfs/file.c:1918
do_page_mkwrite+0x150/0x310 mm/memory.c:3589
wp_page_shared mm/memory.c:3990 [inline]
do_wp_page+0x203b/0x49d0 mm/memory.c:4209
handle_pte_fault mm/memory.c:6333 [inline]
__handle_mm_fault mm/memory.c:6455 [inline]
handle_mm_fault+0x9f5/0x13c0 mm/memory.c:6624
do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fdf5af8b61d
RSP: 002b:00007ffc271ede78 EFLAGS: 00010202
RAX: 0000200000000240 RBX: 0000000000000004 RCX: 0000000000000007
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000200000000240
RBP: fffffffffffffffe R08: 0000001b2dd20000 R09: 0000000000000006
R10: 0000000000000003 R11: 0000000000000000 R12: 00007ffc271edfa0
R13: 00007fdf5b235fac R14: 000000000006872e R15: 00007ffc271edf80
INFO: task syz.0.719:11777 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.719 state:D stack:21760 pid:11777 tgid:11776 ppid:5794 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
__schedule_loop kernel/sched/core.c:6990 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7005
wait_current_trans+0x39f/0x590 fs/btrfs/transaction.c:535
start_transaction+0x6a7/0x1650 fs/btrfs/transaction.c:705
clone_copy_inline_extent fs/btrfs/reflink.c:299 [inline]
btrfs_clone+0x128a/0x24d0 fs/btrfs/reflink.c:529
btrfs_clone_files+0x271/0x3f0 fs/btrfs/reflink.c:750
btrfs_remap_file_range+0x76b/0x1320 fs/btrfs/reflink.c:903
vfs_clone_file_range+0x435/0x7b0 fs/remap_range.c:403
ioctl_file_clone fs/ioctl.c:239 [inline]
ioctl_file_clone_range fs/ioctl.c:257 [inline]
do_vfs_ioctl+0xe15/0x1540 fs/ioctl.c:544
__do_sys_ioctl fs/ioctl.c:595 [inline]
__se_sys_ioctl+0x82/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf5afbc799
RSP: 002b:00007fdf5920e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdf5b235fa0 RCX: 00007fdf5afbc799
RDX: 00002000000000c0 RSI: 000000004020940d RDI: 0000000000000006
RBP: 00007fdf5b052c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdf5b236038 R14: 00007fdf5b235fa0 R15: 00007ffc271edd18
INFO: task syz.0.719:11828 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.719 state:D stack:24928 pid:11828 tgid:11776 ppid:5794 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
__schedule_loop kernel/sched/core.c:6990 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7005
wb_wait_for_completion+0x3e8/0x790 fs/fs-writeback.c:227
__writeback_inodes_sb_nr+0x24c/0x2d0 fs/fs-writeback.c:2838
try_to_writeback_inodes_sb+0x9a/0xc0 fs/fs-writeback.c:2886
btrfs_start_delalloc_flush fs/btrfs/transaction.c:2159 [inline]
btrfs_commit_transaction+0x82e/0x31a0 fs/btrfs/transaction.c:2348
btrfs_sync_file+0xdf2/0x1280 fs/btrfs/file.c:1817
generic_write_sync include/linux/fs.h:2640 [inline]
btrfs_do_write_iter+0x734/0x880 fs/btrfs/file.c:1468
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x629/0xba0 fs/read_write.c:688
ksys_write+0x156/0x270 fs/read_write.c:740
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf5afbc799
RSP: 002b:00007fdf50dcc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdf5b236180 RCX: 00007fdf5afbc799
RDX: 0000000000000018 RSI: 0000200000000c00 RDI: 0000000000000007
RBP: 00007fdf5b052c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdf5b236218 R14: 00007fdf5b236180 R15: 00007ffc271edd18
Showing all locks held in the system:
2 locks held by kworker/u8:0/12:
#0: ffff888019c44138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3250 [inline]
#0: ffff888019c44138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9ea/0x1830 kernel/workqueue.c:3358
#1: ffffc90000117c40 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3251 [inline]
#1: ffffc90000117c40 (connector_reaper_work){+.+.}-{0:0}, at: process_scheduled_works+0xa25/0x1830 kernel/workqueue.c:3358
1 lock held by khungtaskd/37:
#0: ffffffff8ddcb880 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
#0: ffffffff8ddcb880 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline]
#0: ffffffff8ddcb880 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
11 locks held by kworker/u8:2/42:
2 locks held by kworker/u8:7/162:
#0: ffff88801f2b7938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3250 [inline]
#0: ffff88801f2b7938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9ea/0x1830 kernel/workqueue.c:3358
#1: ffffc90003ae7c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3251 [inline]
#1: ffffc90003ae7c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa25/0x1830 kernel/workqueue.c:3358
2 locks held by kworker/u8:11/3917:
#0: ffff888019c44138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3250 [inline]
#0: ffff888019c44138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9ea/0x1830 kernel/workqueue.c:3358
#1: ffffc9000fe7fc40 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3251 [inline]
#1: ffffc9000fe7fc40 ((reaper_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa25/0x1830 kernel/workqueue.c:3358
2 locks held by getty/5552:
#0: ffff8880295d00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90003e8b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13c0 drivers/tty/n_tty.c:2211
2 locks held by udevd/6883:
2 locks held by udevd/8245:
3 locks held by syz.0.719/11776:
#0: ffff888036684308 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500 mm/mmap_lock.c:310
#1: ffff88803aa0a5f8 (sb_pagefaults#4){.+.+}-{0:0}, at: do_page_mkwrite+0x150/0x310 mm/memory.c:3589
#2: ffff88806949f618 (&ei->i_mmap_lock){++++}-{4:4}, at: btrfs_page_mkwrite+0x60e/0x1b10 fs/btrfs/file.c:1918
4 locks held by syz.0.719/11777:
#0: ffff88803aa0a480 (sb_writers#14){.+.+}-{0:0}, at: ioctl_file_clone fs/ioctl.c:239 [inline]
#0: ffff88803aa0a480 (sb_writers#14){.+.+}-{0:0}, at: ioctl_file_clone_range fs/ioctl.c:257 [inline]
#0: ffff88803aa0a480 (sb_writers#14){.+.+}-{0:0}, at: do_vfs_ioctl+0xe15/0x1540 fs/ioctl.c:544
#1: ffff88806949f7b8 (&sb->s_type->i_mutex_key#24){++++}-{4:4}, at: inode_lock include/linux/fs.h:1028 [inline]
#1: ffff88806949f7b8 (&sb->s_type->i_mutex_key#24){++++}-{4:4}, at: btrfs_inode_lock+0x51/0xe0 fs/btrfs/inode.c:369
#2: ffff88806949f618 (&ei->i_mmap_lock){++++}-{4:4}, at: btrfs_inode_lock+0xcb/0xe0 fs/btrfs/inode.c:372
#3: ffff88803aa0a770 (sb_internal#2){.+.+}-{0:0}, at: clone_copy_inline_extent fs/btrfs/reflink.c:299 [inline]
#3: ffff88803aa0a770 (sb_internal#2){.+.+}-{0:0}, at: btrfs_clone+0x128a/0x24d0 fs/btrfs/reflink.c:529
5 locks held by syz.0.719/11828:
#0: ffff88803b9cef28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 fs/file.c:1261
#1: ffff88803aa0a480 (sb_writers#14){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2710 [inline]
#1: ffff88803aa0a480 (sb_writers#14){.+.+}-{0:0}, at: vfs_write+0x22d/0xba0 fs/read_write.c:684
#2: ffff888079b73118 (btrfs_trans_num_writers){++++}-{0:0}, at: join_transaction+0x41b/0xc90 fs/btrfs/transaction.c:298
#3: ffff888079b73140 (btrfs_trans_num_extwriters){++++}-{0:0}, at: join_transaction+0x41b/0xc90 fs/btrfs/transaction.c:298
#4: ffff88803aa0a0d0 (&type->s_umount_key#55){++++}-{4:4}, at: try_to_writeback_inodes_sb+0x22/0xc0 fs/fs-writeback.c:2883
1 lock held by btrfs-transacti/11820:
#0: ffff888079b70d98 (&fs_info->transaction_kthread_mutex){+.+.}-{4:4}, at: transaction_kthread+0xe4/0x450 fs/btrfs/disk-io.c:1515
3 locks held by syz.2.977/14023:
1 lock held by syz.3.981/13987:
#0: ffff8880223720d0 (&type->s_umount_key#64/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xac0 fs/super.c:345
2 locks held by syz.5.980/14012:
2 locks held by syz.0.983/14011:
2 locks held by udevadm/14017:
3 locks held by syz.9.985/14027:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
__sys_info lib/sys_info.c:157 [inline]
sys_info+0x135/0x170 lib/sys_info.c:165
check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
watchdog+0xfd9/0x1030 kernel/hung_task.c:515
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 42 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026
Workqueue: xfs_iwalk-13987 xfs_pwork_work
RIP: 0010:__bfs kernel/locking/lockdep.c:1815 [inline]
RIP: 0010:__bfs_backwards kernel/locking/lockdep.c:1860 [inline]
RIP: 0010:check_irq_usage kernel/locking/lockdep.c:2796 [inline]
RIP: 0010:check_prev_add kernel/locking/lockdep.c:3169 [inline]
RIP: 0010:check_prevs_add kernel/locking/lockdep.c:3284 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:3908 [inline]
RIP: 0010:__lock_acquire+0x197b/0x2cf0 kernel/locking/lockdep.c:5237
Code: 13 25 ff 0f 00 00 39 05 8f a8 b5 11 73 06 89 05 87 a8 b5 11 48 8b 02 48 89 df 4c 39 e8 0f 84 2c fe ff ff 4c 89 60 30 48 8b 00 <4c> 39 e8 75 f4 48 89 df e9 18 fe ff ff 48 89 fb 48 c7 c7 10 8b c9
RSP: 0000:ffffc90000b35de8 EFLAGS: 00000002
RAX: ffffffff96080aa8 RBX: 00000000000003cd RCX: 00000000000000bb
RDX: ffffffff95d98b98 RSI: ffff88801f6c49f8 RDI: 00000000000003cd
RBP: 54e5ccbfab5a1527 R08: ffffc90000b35db0 R09: 0000000000000020
R10: dffffc0000000000 R11: ffffffff81a08120 R12: ffffffff95e5d6f8
R13: ffffffff92f73118 R14: ffff88801f6c3d00 R15: 00000000000000ba
FS: 0000000000000000(0000) GS:ffff88812633f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff25d59e000 CR3: 0000000034ee6000 CR4: 00000000003526f0
Call Trace:
lock_acquire+0xf0/0x2e0 kernel/locking/lockdep.c:5868
_raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x31/0x150 kernel/sched/core.c:647
raw_spin_rq_lock kernel/sched/sched.h:1615 [inline]
_task_rq_lock+0xbc/0x470 kernel/sched/core.c:747
class_task_rq_lock_constructor kernel/sched/sched.h:1917 [inline]
migrate_disable_switch kernel/sched/core.c:2366 [inline]
__schedule+0x16d3/0x5240 kernel/sched/core.c:6792
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7235
irqentry_exit+0x599/0x620 kernel/entry/common.c:239
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:queue_work_on+0x162/0x1d0 kernel/workqueue.c:2410
Code: 00 4d 85 ed 75 16 e8 8d 21 37 00 eb 15 e8 86 21 37 00 e8 51 20 95 09 4d 85 ed 74 ea e8 77 21 37 00 fb 65 48 8b 05 be dd c0 10 <48> 3b 44 24 18 75 56 89 d8 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0000:ffffc90000b36398 EFLAGS: 00000293
RAX: 608bfd532a61e400 RBX: ffff8880264f2101 RCX: ffff88801f6c3d00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed4617 R12: 0000000000000000
R13: 0000000000000200 R14: 0000000000000000 R15: 0000000002000001
queue_work include/linux/workqueue.h:669 [inline]
loop_queue_work drivers/block/loop.c:862 [inline]
loop_queue_rq+0x9f0/0xb00 drivers/block/loop.c:1889
__blk_mq_issue_directly block/blk-mq.c:2725 [inline]
blk_mq_request_issue_directly+0x3be/0x6d0 block/blk-mq.c:2812
blk_mq_issue_direct+0x2a0/0x660 block/blk-mq.c:2833
blk_mq_dispatch_queue_requests+0x6fe/0x800 block/blk-mq.c:2908
blk_mq_flush_plug_list+0x456/0x570 block/blk-mq.c:2991
__blk_flush_plug+0x3ed/0x4d0 block/blk-core.c:1230
blk_finish_plug+0x5d/0x80 block/blk-core.c:1257
xfs_buf_submit_bio fs/xfs/xfs_buf.c:1365 [inline]
xfs_buf_submit+0x850/0xc70 fs/xfs/xfs_buf.c:1471
_xfs_buf_read fs/xfs/xfs_buf.c:642 [inline]
xfs_buf_read_map+0x31c/0xa80 fs/xfs/xfs_buf.c:709
xfs_trans_read_buf_map+0x1db/0x950 fs/xfs/xfs_trans_buf.c:304
xfs_trans_read_buf fs/xfs/xfs_trans.h:212 [inline]
xfs_alloc_read_agfl+0x233/0x430 fs/xfs/libxfs/xfs_alloc.c:885
xfs_alloc_fix_freelist+0x1177/0x1ca0 fs/xfs/libxfs/xfs_alloc.c:2961
xfs_alloc_vextent_prepare_ag+0xdb/0x690 fs/xfs/libxfs/xfs_alloc.c:3566
xfs_alloc_vextent_iterate_ags+0x151/0x9a0 fs/xfs/libxfs/xfs_alloc.c:3750
xfs_alloc_vextent_start_ag+0x378/0x880 fs/xfs/libxfs/xfs_alloc.c:3839
xfs_bmap_btalloc_best_length fs/xfs/libxfs/xfs_bmap.c:3619 [inline]
xfs_bmap_btalloc fs/xfs/libxfs/xfs_bmap.c:3663 [inline]
xfs_bmapi_allocate+0x17c1/0x2da0 fs/xfs/libxfs/xfs_bmap.c:3938
xfs_bmapi_write+0x843/0x1330 fs/xfs/libxfs/xfs_bmap.c:4267
xfs_dquot_disk_alloc+0x4ae/0xb00 fs/xfs/xfs_dquot.c:381
xfs_qm_dqread+0xfe/0x580 fs/xfs/xfs_dquot.c:720
xfs_qm_dqget+0x18b/0x3d0 fs/xfs/xfs_dquot.c:922
xfs_qm_quotacheck_dqadjust+0xdd/0x5d0 fs/xfs/xfs_qm.c:1261
xfs_qm_dqusage_adjust+0x512/0x650 fs/xfs/xfs_qm.c:1397
xfs_iwalk_ag_recs+0x4ea/0x840 fs/xfs/xfs_iwalk.c:209
xfs_iwalk_run_callbacks+0x236/0x4a0 fs/xfs/xfs_iwalk.c:370
xfs_iwalk_ag+0x953/0xa40 fs/xfs/xfs_iwalk.c:473
xfs_iwalk_ag_work+0xff/0x1b0 fs/xfs/xfs_iwalk.c:620
xfs_pwork_work+0x82/0x190 fs/xfs/xfs_pwork.c:47
process_one_work kernel/workqueue.c:3275 [inline]
process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245