EXT4-fs (loop6): failed to initialize system zone (-117)
EXT4-fs (loop6): mount failed
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BUG: KCSAN: data-race in __lru_add_drain_all / folio_add_lru

read-write to 0xffff888237c2ac68 of 1 bytes by task 11519 on cpu 0:
 folio_batch_add include/linux/pagevec.h:77 [inline]
 __folio_batch_add_and_move mm/swap.c:239 [inline]
 folio_add_lru+0xa3/0x1f0 mm/swap.c:527
 folio_add_lru_vma+0x48/0x60 mm/swap.c:546
 wp_page_copy mm/memory.c:3421 [inline]
 do_wp_page+0x17a5/0x2340 mm/memory.c:3745
 handle_pte_fault mm/memory.c:5782 [inline]
 __handle_mm_fault mm/memory.c:5909 [inline]
 handle_mm_fault+0xc47/0x2aa0 mm/memory.c:6077
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x3b9/0x650 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623

read to 0xffff888237c2ac68 of 1 bytes by task 11505 on cpu 1:
 folio_batch_count include/linux/pagevec.h:56 [inline]
 cpu_needs_drain mm/swap.c:786 [inline]
 __lru_add_drain_all+0x136/0x3f0 mm/swap.c:880
 lru_add_drain_all+0x10/0x20 mm/swap.c:896
 invalidate_bdev+0x47/0x70 block/bdev.c:101
 __ext4_fill_super fs/ext4/super.c:5661 [inline]
 ext4_fill_super+0x6f3/0x3a10 fs/ext4/super.c:5686
 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636
 get_tree_bdev+0x1f/0x30 fs/super.c:1659
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5718
 vfs_get_tree+0x56/0x1e0 fs/super.c:1814
 do_new_mount+0x227/0x690 fs/namespace.c:3507
 path_mount+0x49b/0xb30 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4034
 __x64_sys_mount+0x67/0x80 fs/namespace.c:4034
 x64_sys_call+0x203e/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x09 -> 0x0a

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 11505 Comm: syz.6.2243 Not tainted 6.12.0-rc7-syzkaller-00042-gf1b785f4c787 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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IPv6: Can't replace route, no match found