INFO: task kworker/u4:12:19580 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:12 state:D stack:20920 pid:19580 tgid:19580 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-btrfs-166)
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
find_lock_delalloc_range+0x4b5/0x970 fs/btrfs/extent_io.c:393
writepage_delalloc+0x17f/0x470 fs/btrfs/extent_io.c:1183
__extent_writepage fs/btrfs/extent_io.c:1440 [inline]
extent_write_cache_pages fs/btrfs/extent_io.c:2108 [inline]
extent_writepages+0x1210/0x26a0 fs/btrfs/extent_io.c:2230
do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
__writeback_single_inode+0x155/0xfc0 fs/fs-writeback.c:1625
writeback_sb_inodes+0x8e3/0x1220 fs/fs-writeback.c:1916
__writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:1987
wb_writeback+0x461/0xc70 fs/fs-writeback.c:2094
wb_check_background_flush fs/fs-writeback.c:2164 [inline]
wb_do_writeback fs/fs-writeback.c:2252 [inline]
wb_workfn+0xc33/0xfb0 fs/fs-writeback.c:2279
process_one_work kernel/workqueue.c:2627 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task kworker/u4:15:19582 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:15 state:D stack:20016 pid:19582 tgid:19582 ppid:2 flags:0x00004000
Workqueue: btrfs-endio-write btrfs_work_helper
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
btrfs_finish_one_ordered+0x57f/0x1680 fs/btrfs/inode.c:3083
btrfs_work_helper+0x37c/0xbe0 fs/btrfs/async-thread.c:315
process_one_work kernel/workqueue.c:2627 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task syz-executor.0:24838 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25328 pid:24838 tgid:24838 ppid:5086 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
io_schedule+0x8c/0x100 kernel/sched/core.c:8998
folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1273
btrfs_page_mkwrite+0x4a4/0xd10 fs/btrfs/inode.c:8148
do_page_mkwrite+0x197/0x470 mm/memory.c:2944
wp_page_shared mm/memory.c:3339 [inline]
do_wp_page+0x1d07/0x4d40 mm/memory.c:3479
handle_pte_fault mm/memory.c:5055 [inline]
__handle_mm_fault mm/memory.c:5180 [inline]
handle_mm_fault+0x1b1c/0x6680 mm/memory.c:5345
do_user_addr_fault arch/x86/mm/fault.c:1364 [inline]
handle_page_fault arch/x86/mm/fault.c:1507 [inline]
exc_page_fault+0x456/0x870 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f466d45ddbc
RSP: 002b:00007fff51cc93c8 EFLAGS: 00010206
RAX: 0000000020000080 RBX: 00007fff51cc94d8 RCX: 00007f466d000000
RDX: 0000000000000013 RSI: 00007f466d005dc8 RDI: 0000000020000080
RBP: 0000000000000032 R08: 00007f466d400000 R09: 00007fff51cee0b0
R10: 00007fff51cee080 R11: 000000000003a804 R12: 00007f466d005da8
R13: fffffffffffffffe R14: 00007f466d000000 R15: 00007f466d005db0
INFO: task syz-executor.0:24839 blocked for more than 145 seconds.
Not tainted 6.7.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23256 pid:24839 tgid:24838 ppid:5086 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
btrfs_page_mkwrite+0x5bd/0xd10 fs/btrfs/inode.c:8158
do_page_mkwrite+0x197/0x470 mm/memory.c:2944
wp_page_shared mm/memory.c:3339 [inline]
do_wp_page+0x1d07/0x4d40 mm/memory.c:3479
handle_pte_fault mm/memory.c:5055 [inline]
__handle_mm_fault mm/memory.c:5180 [inline]
handle_mm_fault+0x1b1c/0x6680 mm/memory.c:5345
do_user_addr_fault arch/x86/mm/fault.c:1415 [inline]
handle_page_fault arch/x86/mm/fault.c:1507 [inline]
exc_page_fault+0x2ad/0x870 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58
Code: 40 83 f9 08 73 21 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb
RSP: 0018:ffffc9000854f330 EFLAGS: 00050206
RAX: 0000000000000000 RBX: 0000000020000118 RCX: 0000000000000038
RDX: 0000000000000000 RSI: ffffc9000854f3e0 RDI: 00000000200000e0
RBP: ffffc9000854f498 R08: ffffc9000854f417 R09: 1ffff920010a9e82
R10: dffffc0000000000 R11: fffff520010a9e83 R12: 0000000000000038
R13: ffffc9000854f3e0 R14: 00000000200000e0 R15: ffffc9000854f3e0
copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline]
_copy_to_user+0x86/0xa0 lib/usercopy.c:41
copy_to_user include/linux/uaccess.h:191 [inline]
fiemap_fill_next_extent+0x235/0x410 fs/ioctl.c:145
emit_fiemap_extent+0x258/0x410 fs/btrfs/extent_io.c:2477
fiemap_process_hole+0x374/0xaf0 fs/btrfs/extent_io.c:2688
extent_fiemap+0xeae/0x1fe0
btrfs_fiemap+0x178/0x1e0 fs/btrfs/inode.c:7830
ioctl_fiemap fs/ioctl.c:220 [inline]
do_vfs_ioctl+0x19ea/0x2b40 fs/ioctl.c:811
__do_sys_ioctl fs/ioctl.c:869 [inline]
__se_sys_ioctl+0x81/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f466d47cd29
RSP: 002b:00007f466e1140c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f466d5abf80 RCX: 00007f466d47cd29
RDX: 00000000200000c0 RSI: 00000000c020660b RDI: 0000000000000008
RBP: 00007f466d4c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f466d5abf80 R15: 00007fff51cc92e8
INFO: task syz-executor.0:24884 blocked for more than 147 seconds.
Not tainted 6.7.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:22800 pid:24884 tgid:24838 ppid:5086 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
lock_extent_direct fs/btrfs/inode.c:7157 [inline]
btrfs_dio_iomap_begin+0x5af/0x10b0 fs/btrfs/inode.c:7521
iomap_iter+0x677/0xee0 fs/iomap/iter.c:91
__iomap_dio_rw+0xdcf/0x2330 fs/iomap/direct-io.c:658
iomap_dio_rw+0x46/0xa0 fs/iomap/direct-io.c:748
btrfs_dio_read+0xb6/0x100 fs/btrfs/inode.c:7789
btrfs_direct_read fs/btrfs/file.c:3778 [inline]
btrfs_file_read_iter+0x39e/0x6b0 fs/btrfs/file.c:3817
call_read_iter include/linux/fs.h:2014 [inline]
copy_splice_read+0x4c9/0x9c0 fs/splice.c:364
splice_direct_to_actor+0x2c4/0x9e0 fs/splice.c:1069
do_splice_direct+0x2ac/0x3f0 fs/splice.c:1194
do_sendfile+0x62c/0x1000 fs/read_write.c:1254
__do_sys_sendfile64 fs/read_write.c:1322 [inline]
__se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f466d47cd29
RSP: 002b:00007f466c7ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f466d5ac050 RCX: 00007f466d47cd29
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f466d4c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201008 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f466d5ac050 R15: 00007fff51cc92e8
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by udevd/4511:
2 locks held by getty/4814:
#0: ffff88802680c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015c72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.4/5090:
#0: ffff88803bb220e0 (&type->s_umount_key#56){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88803bb220e0 (&type->s_umount_key#56){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88803bb220e0 (&type->s_umount_key#56){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:516
4 locks held by syz-executor.1/5094:
1 lock held by syz-executor.2/5103:
#0: ffffffff8d9334b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#0: ffffffff8d9334b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:996
2 locks held by kworker/u4:5/19575:
#0: ffff888012c71938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#0: ffff888012c71938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#1: ffffc90003f37d20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#1: ffffc90003f37d20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
3 locks held by kworker/u4:12/19580:
#0: ffff888140060138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#0: ffff888140060138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#1: ffffc900049cfd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#1: ffffc900049cfd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#2: ffff888037bd20e0 (&type->s_umount_key#60){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0 fs/super.c:610
3 locks held by kworker/u4:15/19582:
#0: ffff888025368938 ((wq_completion)btrfs-endio-write){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#0: ffff888025368938 ((wq_completion)btrfs-endio-write){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#1: ffffc900049ffd20 ((work_completion)(&work->normal_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#1: ffffc900049ffd20 ((work_completion)(&work->normal_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#2: ffff88802804e4a8 (btrfs_ordered_extent){++++}-{0:0}, at: btrfs_finish_one_ordered+0x339/0x1680 fs/btrfs/inode.c:3043
3 locks held by kworker/u4:20/19588:
2 locks held by kworker/u4:21/19589:
#0: ffff888012c71938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#0: ffff888012c71938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#1: ffffc90004a4fd20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#1: ffffc90004a4fd20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
3 locks held by syz-executor.0/24838:
#0: ffff88801d2a7c40 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:663 [inline]
#0: ffff88801d2a7c40 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x2f6/0x6f0 mm/memory.c:5501
#1: ffff888037bd2510 (sb_pagefaults#3){.+.+}-{0:0}, at: do_page_mkwrite+0x197/0x470 mm/memory.c:2944
#2: ffff88803a358d58 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_page_mkwrite+0x49c/0xd10 fs/btrfs/inode.c:8147
4 locks held by syz-executor.0/24839:
#0: ffff88803a358ed0 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
#0: ffff88803a358ed0 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: btrfs_inode_lock+0x60/0xd0 fs/btrfs/inode.c:370
#1: ffff888027f8baa0 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:165 [inline]
#1: ffff888027f8baa0 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5372 [inline]
#1: ffff888027f8baa0 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x32/0x2d0 mm/memory.c:5432
#2: ffff888037bd2510 (sb_pagefaults#3){.+.+}-{0:0}, at: do_page_mkwrite+0x197/0x470 mm/memory.c:2944
#3: ffff88803a358d58 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_page_mkwrite+0x49c/0xd10 fs/btrfs/inode.c:8147
2 locks held by syz-executor.0/24884:
#0: ffff888037bd2418 (sb_writers#17){.+.+}-{0:0}, at: do_sendfile+0x607/0x1000 fs/read_write.c:1253
#1: ffff88803a358ed0 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
#1: ffff88803a358ed0 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: btrfs_inode_lock+0x60/0xd0 fs/btrfs/inode.c:370
2 locks held by kworker/0:2/24909:
#0: ffff888012c72938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#0: ffff888012c72938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
#1: ffffc9000ac57d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline]
#1: ffffc9000ac57d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700
2 locks held by syz-executor.5/26858:
3 locks held by kworker/u4:1/26868:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 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+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5204 Comm: kworker/0:7 Not tainted 6.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events_long defense_work_handler
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4778 [inline]
RIP: 0010:__lock_acquire+0x6c9/0x1fd0 kernel/locking/lockdep.c:5087
Code: 11 00 00 4a 8d 04 f6 48 89 44 24 48 40 84 ed 4c 8b 74 24 20 0f 84 3c 04 00 00 0f b6 1b 41 0f b6 04 16 84 c0 0f 85 9c 11 00 00 <41> f6 47 01 80 0f 85 21 04 00 00 84 db 40 0f b6 c5 0f b6 cb 0f 44
RSP: 0018:ffffc900000078b0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff816d3119
RDX: dffffc0000000000 RSI: ffff888022fe0ac0 RDI: ffffffff90dd8360
RBP: 0000000000000002 R08: ffffffff90dd8367 R09: 1ffffffff21bb06c
R10: dffffc0000000000 R11: fffffbfff21bb06d R12: 0000000000000001
R13: ffff888022fe0000 R14: 1ffff110045fc166 R15: ffff888022fe0b30
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1541495000 CR3: 000000002fbd4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
debug_object_active_state+0xcc/0x3c0 lib/debugobjects.c:967
debug_rcu_head_unqueue kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2150 [inline]
rcu_core+0xa4b/0x17c0 kernel/rcu/tree.c:2431
__do_softirq+0x2b8/0x939 kernel/softirq.c:553
do_softirq+0x11b/0x1e0 kernel/softirq.c:454
__local_bh_enable_ip+0x1b7/0x1f0 kernel/softirq.c:381
local_bh_enable include/linux/bottom_half.h:33 [inline]
update_defense_level+0x8fd/0xd30 net/netfilter/ipvs/ip_vs_ctl.c:210
defense_work_handler+0x22/0xd0 net/netfilter/ipvs/ip_vs_ctl.c:235
process_one_work kernel/workqueue.c:2627 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242