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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:2886 [inline]
BUG: KASAN: null-ptr-deref in drop_buffers.constprop.0+0x89/0x340 fs/buffer.c:2898
Read of size 4 at addr 0000000000000060 by task kswapd0/84

CPU: 0 UID: 0 PID: 84 Comm: kswapd0 Not tainted 6.17.0-rc1-syzkaller-00214-g99bade344cfa #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 kasan_report+0xe0/0x110 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x100/0x1b0 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:2886 [inline]
 drop_buffers.constprop.0+0x89/0x340 fs/buffer.c:2898
 try_to_free_buffers+0x21c/0x2d0 fs/buffer.c:2952
 filemap_release_folio+0x219/0x280 mm/filemap.c:4356
 shrink_folio_list+0x28a9/0x4880 mm/vmscan.c:1518
 evict_folios+0x79c/0x1b30 mm/vmscan.c:4744
 try_to_shrink_lruvec+0x585/0x9b0 mm/vmscan.c:4907
 shrink_one+0x3e3/0x7a0 mm/vmscan.c:4952
 shrink_many mm/vmscan.c:5015 [inline]
 lru_gen_shrink_node mm/vmscan.c:5093 [inline]
 shrink_node+0x26b5/0x3d50 mm/vmscan.c:6078
 kswapd_shrink_node mm/vmscan.c:6938 [inline]
 balance_pgdat+0xbb8/0x1a70 mm/vmscan.c:7121
 kswapd+0x590/0xb90 mm/vmscan.c:7386
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
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