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BUG: KASAN: wild-memory-access in atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline]
BUG: KASAN: wild-memory-access in __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3307
Write of size 4 at addr 00777770077001af by task kworker/u4:1/9181

CPU: 1 PID: 9181 Comm: kworker/u4:1 Not tainted 4.19.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 kasan_report_error.cold+0x15b/0x1c7 mm/kasan/report.c:352
 kasan_report+0x8f/0x96 mm/kasan/report.c:412
 atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline]
 __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3307
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:329 [inline]
 map_pte mm/page_vma_mapped.c:51 [inline]
 page_vma_mapped_walk+0x1484/0x2240 mm/page_vma_mapped.c:213
 page_mkclean_one+0x23e/0x5b0 mm/rmap.c:902
 rmap_walk_file+0x4fe/0xc10 mm/rmap.c:1887
 rmap_walk+0x105/0x190 mm/rmap.c:1905
 page_mkclean+0x20f/0x2b0 mm/rmap.c:984
 clear_page_dirty_for_io+0x305/0xee0 mm/page-writeback.c:2687
 mpage_submit_page+0x80/0x250 fs/ext4/inode.c:2207
 mpage_process_page_bufs+0x534/0x630 fs/ext4/inode.c:2337
 mpage_prepare_extent_to_map+0x9a2/0xf10 fs/ext4/inode.c:2699
 ext4_writepages+0x111d/0x37f0 fs/ext4/inode.c:2827
 do_writepages+0xe5/0x290 mm/page-writeback.c:2344
 __writeback_single_inode+0x113/0x1340 fs/fs-writeback.c:1371
 writeback_sb_inodes+0x5a7/0x13c0 fs/fs-writeback.c:1635
 __writeback_inodes_wb+0xc6/0x350 fs/fs-writeback.c:1704
 wb_writeback+0x841/0xcc0 fs/fs-writeback.c:1813
 wb_check_background_flush fs/fs-writeback.c:1881 [inline]
 wb_do_writeback fs/fs-writeback.c:1969 [inline]
 wb_workfn+0xb20/0x12f0 fs/fs-writeback.c:1997
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
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