EXT4-fs (loop0): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09.
==================================================================
BUG: KCSAN: data-race in __lru_add_drain_all / folio_activate

read-write to 0xffff888237c29b88 of 1 bytes by task 19465 on cpu 0:
 folio_batch_add include/linux/pagevec.h:74 [inline]
 folio_batch_add_and_move mm/swap.c:231 [inline]
 folio_activate+0xc0/0x1c0 mm/swap.c:361
 folio_mark_accessed+0x119/0x190 mm/swap.c:481
 mark_page_accessed+0x44/0xf0 mm/folio-compat.c:45
 zap_pte_range mm/memory.c:1461 [inline]
 zap_pmd_range mm/memory.c:1582 [inline]
 zap_pud_range mm/memory.c:1611 [inline]
 zap_p4d_range mm/memory.c:1632 [inline]
 unmap_page_range+0xc0c/0x1d10 mm/memory.c:1653
 unmap_single_vma+0x142/0x1d0 mm/memory.c:1699
 zap_page_range_single+0x213/0x2f0 mm/memory.c:1777
 unmap_mapping_range_vma mm/memory.c:3517 [inline]
 unmap_mapping_range_tree mm/memory.c:3534 [inline]
 unmap_mapping_pages mm/memory.c:3600 [inline]
 unmap_mapping_range+0x15b/0x1a0 mm/memory.c:3637
 truncate_pagecache_range+0x6f/0x90 mm/truncate.c:853
 ext4_punch_hole+0x345/0x7b0 fs/ext4/inode.c:3985
 ext4_fallocate+0x209/0x1190 fs/ext4/extents.c:4707
 vfs_fallocate+0x378/0x3e0 fs/open.c:324
 madvise_remove mm/madvise.c:990 [inline]
 madvise_vma_behavior mm/madvise.c:1014 [inline]
 madvise_walk_vmas mm/madvise.c:1249 [inline]
 do_madvise+0x741/0x26f0 mm/madvise.c:1429
 __do_sys_madvise mm/madvise.c:1442 [inline]
 __se_sys_madvise mm/madvise.c:1440 [inline]
 __x64_sys_madvise+0x60/0x70 mm/madvise.c:1440
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff888237c29b88 of 1 bytes by task 32572 on cpu 1:
 folio_batch_count include/linux/pagevec.h:53 [inline]
 cpu_needs_drain mm/swap.c:800 [inline]
 __lru_add_drain_all+0x21d/0x420 mm/swap.c:889
 lru_add_drain_all+0x10/0x20 mm/swap.c:905
 invalidate_bdev+0x54/0x70 block/bdev.c:86
 ext4_put_super+0x51b/0x7e0 fs/ext4/super.c:1361
 generic_shutdown_super+0xdb/0x210 fs/super.c:696
 kill_block_super+0x2a/0x60 fs/super.c:1667
 ext4_kill_sb+0x44/0x80 fs/ext4/super.c:7330
 deactivate_locked_super+0x7a/0x1c0 fs/super.c:484
 deactivate_super+0x9b/0xb0 fs/super.c:517
 cleanup_mnt+0x272/0x2e0 fs/namespace.c:1256
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1263
 task_work_run+0x135/0x1a0 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd6/0xe0 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0x6c/0xb0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:296
 do_syscall_64+0x50/0x110 arch/x86/entry/common.c:88
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x00 -> 0x0c

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 32572 Comm: syz-executor.0 Tainted: G        W          6.7.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
==================================================================
EXT4-fs (loop0): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09.
EXT4-fs (loop0): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09.