INFO: task kworker/1:7:5170 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7 state:D stack:20192 pid:5170 ppid:2 flags:0x00004000
Workqueue: events bio_dirty_fn
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
io_schedule+0x83/0x100 kernel/sched/core.c:8868
folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1297
set_page_dirty_lock+0x12/0x30 mm/page-writeback.c:2882
__bio_release_pages+0x237/0x340 block/bio.c:1178
bio_release_pages include/linux/bio.h:488 [inline]
bio_dirty_fn+0xa5/0x100 block/bio.c:1524
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
INFO: task kworker/u4:17:14877 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:17 state:D stack:16608 pid:14877 ppid:2 flags:0x00004000
Workqueue: btrfs-flush_delalloc btrfs_work_helper
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
wait_on_state fs/btrfs/extent-io-tree.c:707 [inline]
wait_extent_bit+0x577/0x6f0 fs/btrfs/extent-io-tree.c:751
lock_extent+0x1c2/0x280 fs/btrfs/extent-io-tree.c:1742
find_lock_delalloc_range+0x4e6/0x9c0 fs/btrfs/extent_io.c:488
writepage_delalloc+0x1ef/0x540 fs/btrfs/extent_io.c:1863
__extent_writepage+0x736/0x14e0 fs/btrfs/extent_io.c:2174
extent_write_cache_pages+0x983/0x1220 fs/btrfs/extent_io.c:3091
extent_writepages+0x219/0x540 fs/btrfs/extent_io.c:3211
do_writepages+0x3c3/0x680 mm/page-writeback.c:2581
filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388
__filemap_fdatawrite_range mm/filemap.c:421 [inline]
__filemap_fdatawrite mm/filemap.c:427 [inline]
filemap_flush+0x146/0x1d0 mm/filemap.c:454
btrfs_run_delalloc_work+0x5e/0xf0 fs/btrfs/inode.c:9584
btrfs_work_helper+0x312/0x850 fs/btrfs/async-thread.c:280
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
INFO: task syz-executor.5:30794 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22520 pid:30794 ppid:27291 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
io_schedule+0x83/0x100 kernel/sched/core.c:8868
folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1297
btrfs_page_mkwrite+0x41f/0xc80 fs/btrfs/inode.c:8527
do_page_mkwrite+0x19e/0x5e0 mm/memory.c:2947
wp_page_shared+0x15e/0x380 mm/memory.c:3295
handle_pte_fault mm/memory.c:4949 [inline]
__handle_mm_fault mm/memory.c:5073 [inline]
handle_mm_fault+0x1b79/0x26b0 mm/memory.c:5219
do_user_addr_fault+0x69b/0xcb0 arch/x86/mm/fault.c:1428
handle_page_fault arch/x86/mm/fault.c:1519 [inline]
exc_page_fault+0x7a/0x110 arch/x86/mm/fault.c:1575
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f53c142bd49
RSP: 002b:00007ffeed6a3ff0 EFLAGS: 00010246
RAX: 0000000020000280 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000200001c0 RSI: 0000000000000000 RDI: 000055555598f2e8
RBP: 00007ffeed6a40e8 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f53c1007000 R11: 000000000002591c R12: 00000000000cc213
R13: 00007ffeed6a4110 R14: 00007ffeed6a4130 R15: 0000000000000032
</TASK>
INFO: task syz-executor.5:30796 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:19048 pid:30796 ppid:27291 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
io_schedule+0x83/0x100 kernel/sched/core.c:8868
folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1297
set_page_dirty_lock+0x12/0x30 mm/page-writeback.c:2882
bio_set_pages_dirty+0x200/0x2e0 block/bio.c:1488
iomap_dio_bio_iter+0xcf2/0x15b0 fs/iomap/direct-io.c:347
__iomap_dio_rw+0x1224/0x20c0 fs/iomap/direct-io.c:601
iomap_dio_rw+0x42/0xa0 fs/iomap/direct-io.c:689
btrfs_dio_read+0x9c/0xe0 fs/btrfs/inode.c:8168
btrfs_direct_read fs/btrfs/file.c:3772 [inline]
btrfs_file_read_iter+0x399/0x6a0 fs/btrfs/file.c:3811
do_iter_read+0x6e3/0xc10 fs/read_write.c:796
vfs_readv fs/read_write.c:916 [inline]
do_preadv+0x1f4/0x330 fs/read_write.c:1008
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f53c148c0c9
RSP: 002b:00007f53c21a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000147
RAX: ffffffffffffffda RBX: 00007f53c15abf80 RCX: 00007f53c148c0c9
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f53c14e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeed6a3faf R14: 00007f53c21a6300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.5:30882 blocked for more than 145 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24344 pid:30882 ppid:27291 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
inode_lock include/linux/fs.h:756 [inline]
btrfs_inode_lock+0x49/0xd0 fs/btrfs/inode.c:192
btrfs_buffered_write+0x1d2/0x1730 fs/btrfs/file.c:1202
btrfs_direct_write fs/btrfs/file.c:1593 [inline]
btrfs_do_write_iter+0xead/0x1280 fs/btrfs/file.c:1674
do_iter_write+0x6c2/0xc20 fs/read_write.c:861
vfs_writev fs/read_write.c:934 [inline]
do_writev+0x23e/0x430 fs/read_write.c:977
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f53c148c0c9
RSP: 002b:00007f53c2185168 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f53c15ac050 RCX: 00007f53c148c0c9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007f53c14e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeed6a3faf R14: 00007f53c2185300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.5:30884 blocked for more than 146 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:23912 pid:30884 ppid:27291 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
inode_lock include/linux/fs.h:756 [inline]
btrfs_inode_lock+0x49/0xd0 fs/btrfs/inode.c:192
btrfs_defrag_file+0x653/0x1f90 fs/btrfs/defrag.c:1300
btrfs_ioctl_defrag+0x310/0x420 fs/btrfs/ioctl.c:2604
btrfs_ioctl+0x4e8/0xc10
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f53c148c0c9
RSP: 002b:00007f53c2164168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f53c15ac120 RCX: 00007f53c148c0c9
RDX: 0000000000000000 RSI: 0000000040309410 RDI: 0000000000000004
RBP: 00007f53c14e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeed6a3faf R14: 00007f53c2164300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.5:30887 blocked for more than 146 seconds.
Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22984 pid:30887 ppid:27291 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_timeout+0x98/0x2f0 kernel/time/timer.c:2143
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
start_delalloc_inodes+0xae2/0xd10 fs/btrfs/inode.c:9676
btrfs_start_delalloc_snapshot+0x159/0x1c0 fs/btrfs/inode.c:9702
btrfs_mksnapshot+0x42/0xf0 fs/btrfs/ioctl.c:1026
__btrfs_ioctl_snap_create+0x339/0x450 fs/btrfs/ioctl.c:1293
btrfs_ioctl_snap_create+0x121/0x180 fs/btrfs/ioctl.c:1320
btrfs_ioctl+0x15c/0xc10
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f53c148c0c9
RSP: 002b:00007f53c2143168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f53c15ac1f0 RCX: 00007f53c148c0c9
RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 0000000000000007
RBP: 00007f53c14e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeed6a3faf R14: 00007f53c2143300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
3 locks held by kworker/u4:1/11:
#0: ffff888144e92938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffff8880793f60e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1b/0xf0 fs/super.c:415
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d327010 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d327810 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d326e40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4748:
#0: ffff88814a0e6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
2 locks held by kworker/1:7/5170:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90004607d00 (bio_dirty_work){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
2 locks held by kworker/u4:17/14877:
#0: ffff88807affc138 ((wq_completion)btrfs-flush_delalloc){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90004c9fd00 ((work_completion)(&work->normal_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
3 locks held by syz-executor.5/30794:
#0: ffff888081ab2458 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff888081ab2458 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2e2/0xcb0 arch/x86/mm/fault.c:1369
#1: ffff8880793f6558 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x19e/0x5e0 mm/memory.c:2947
#2: ffff8880736f17a8 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_page_mkwrite+0x417/0xc80 fs/btrfs/inode.c:8526
1 lock held by syz-executor.5/30796:
#0: ffff8880736f1920 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff8880736f1920 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: btrfs_inode_lock+0x5c/0xd0 fs/btrfs/inode.c:184
3 locks held by syz-executor.5/30882:
#0: ffff88801c966ae8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x242/0x2e0 fs/file.c:1046
#1: ffff8880793f6460 (sb_writers#17){.+.+}-{0:0}, at: vfs_writev fs/read_write.c:933 [inline]
#1: ffff8880793f6460 (sb_writers#17){.+.+}-{0:0}, at: do_writev+0x22a/0x430 fs/read_write.c:977
#2: ffff8880736f1920 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff8880736f1920 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: btrfs_inode_lock+0x49/0xd0 fs/btrfs/inode.c:192
2 locks held by syz-executor.5/30884:
#0: ffff8880793f6460 (sb_writers#17){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:552
#1: ffff8880736f1920 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880736f1920 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: btrfs_inode_lock+0x49/0xd0 fs/btrfs/inode.c:192
2 locks held by syz-executor.5/30887:
#0: ffff8880793f6460 (sb_writers#17){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:552
#1: ffff88805522a758 (&root->delalloc_mutex){+.+.}-{3:3}, at: start_delalloc_inodes+0x19f/0xd10 fs/btrfs/inode.c:9628
2 locks held by syz-executor.1/1604:
#0: ffff8880793f60e0 (&type->s_umount_key#54){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8880793f47d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8880793f47d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 32081 Comm: kworker/u4:5 Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:__lock_acquire+0x12a9/0x1f60 kernel/locking/lockdep.c:5058
Code: 3c 24 48 8b 74 24 28 8b 54 24 24 4c 89 e9 e8 de ae 00 00 85 c0 0f 84 d4 02 00 00 48 ba 00 00 00 00 00 fc ff df 41 80 3c 14 00 <74> 12 4c 89 f7 e8 8d 71 76 00 48 ba 00 00 00 00 00 fc ff df 4d 89
RSP: 0018:ffffc900185ff808 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff904dc980 RCX: f2f200f2f2f2f2f2
RDX: dffffc0000000000 RSI: ffff88808c86c530 RDI: ffff88808c86ba80
RBP: ffff88808c86c550 R08: dffffc0000000000 R09: fffffbfff20fca31
R10: fffffbfff20fca31 R11: 1ffffffff20fca30 R12: 1ffff1101190d895
R13: 0471b6387834aaaa R14: ffff88808c86c4a8 R15: 0000000000004000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9e4ad821b8 CR3: 000000008c6c4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:325
rcu_read_lock include/linux/rcupdate.h:764 [inline]
batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:755 [inline]
batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:826 [inline]
batadv_iv_ogm_schedule+0x420/0x1050 net/batman-adv/bat_iv_ogm.c:869
batadv_iv_send_outstanding_bat_ogm_packet+0x741/0x850 net/batman-adv/bat_iv_ogm.c:1713
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>