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BUG: KCSAN: data-race in mas_wmb_replace / mtree_range_walk

write to 0xffff888119479400 of 8 bytes by task 4941 on cpu 0:
 mte_set_node_dead lib/maple_tree.c:323 [inline]
 mas_topiary_node lib/maple_tree.c:2522 [inline]
 mas_topiary_replace lib/maple_tree.c:2630 [inline]
 mas_wmb_replace+0xe61/0x14f0 lib/maple_tree.c:2646
 mas_split lib/maple_tree.c:3393 [inline]
 mas_commit_b_node lib/maple_tree.c:3446 [inline]
 mas_wr_bnode lib/maple_tree.c:4158 [inline]
 mas_wr_modify+0x183d/0x3c90 lib/maple_tree.c:4196
 mas_wr_store_entry+0x250/0x390 lib/maple_tree.c:4229
 mas_store_prealloc+0x151/0x2b0 lib/maple_tree.c:5485
 vma_iter_store+0x168/0x190 mm/internal.h:1290
 mmap_region+0xf74/0x1550 mm/mmap.c:2891
 do_mmap+0x6a6/0xac0 mm/mmap.c:1385
 aio_setup_ring+0x3ad/0x660 fs/aio.c:558
 ioctx_alloc+0x2ab/0x4b0 fs/aio.c:798
 __do_sys_io_setup fs/aio.c:1405 [inline]
 __se_sys_io_setup+0x6b/0x1b0 fs/aio.c:1388
 __x64_sys_io_setup+0x31/0x40 fs/aio.c:1388
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

read to 0xffff888119479400 of 8 bytes by task 4937 on cpu 1:
 ma_dead_node lib/maple_tree.c:560 [inline]
 mtree_range_walk+0x33d/0x460 lib/maple_tree.c:2793
 mas_state_walk lib/maple_tree.c:3678 [inline]
 mas_walk+0x16e/0x320 lib/maple_tree.c:4909
 lock_vma_under_rcu+0x84/0x2a0 mm/memory.c:5758
 do_user_addr_fault arch/x86/mm/fault.c:1354 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x161/0x6d0 arch/x86/mm/fault.c:1563
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623

value changed: 0xffff888119479a0e -> 0xffff888119479400

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 4937 Comm: syz-executor.0 Tainted: G        W          6.9.0-rc1-syzkaller-00379-g18737353cca0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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