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BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: null-ptr-deref in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
BUG: KASAN: null-ptr-deref in buffer_busy fs/buffer.c:2882 [inline]
BUG: KASAN: null-ptr-deref in drop_buffers+0x6f/0x710 fs/buffer.c:2894
Read of size 4 at addr 0000000000000060 by task kswapd0/86

CPU: 1 PID: 86 Comm: kswapd0 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 print_report+0xe6/0x540 mm/kasan/report.c:491
 kasan_report+0x142/0x170 mm/kasan/report.c:601
 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
 buffer_busy fs/buffer.c:2882 [inline]
 drop_buffers+0x6f/0x710 fs/buffer.c:2894
 try_to_free_buffers+0x295/0x5f0 fs/buffer.c:2924
 shrink_folio_list+0x26f3/0x89c0 mm/vmscan.c:1369
 shrink_inactive_list mm/vmscan.c:1914 [inline]
 shrink_list mm/vmscan.c:2155 [inline]
 shrink_lruvec+0x16e6/0x2d40 mm/vmscan.c:5681
 shrink_node_memcgs mm/vmscan.c:5867 [inline]
 shrink_node+0x1191/0x28e0 mm/vmscan.c:5902
 kswapd_shrink_node mm/vmscan.c:6693 [inline]
 balance_pgdat mm/vmscan.c:6883 [inline]
 kswapd+0x1aab/0x2f50 mm/vmscan.c:7143
 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
 </TASK>
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