loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): can't mount with commit=2514, fs mounted w/o journal
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BUG: KCSAN: data-race in __lru_add_drain_all / folio_batch_move_lru

write to 0xffff888237d29c88 of 1 bytes by task 1975 on cpu 1:
 folio_batch_reinit include/linux/pagevec.h:48 [inline]
 folio_batch_move_lru+0x2bf/0x2f0 mm/swap.c:225
 folio_batch_add_and_move mm/swap.c:234 [inline]
 folio_add_lru+0xc4/0x120 mm/swap.c:517
 shmem_alloc_and_add_folio mm/shmem.c:1722 [inline]
 shmem_get_folio_gfp+0x79a/0xb40 mm/shmem.c:2052
 shmem_get_folio mm/shmem.c:2134 [inline]
 shmem_write_begin+0xa0/0x1b0 mm/shmem.c:2717
 generic_perform_write+0x1c9/0x410 mm/filemap.c:3930
 shmem_file_write_iter+0xc8/0xe0 mm/shmem.c:2893
 call_write_iter include/linux/fs.h:2085 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x760/0x8d0 fs/read_write.c:590
 ksys_write+0xeb/0x1a0 fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __x64_sys_write+0x42/0x50 fs/read_write.c:652
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff888237d29c88 of 1 bytes by task 1973 on cpu 0:
 folio_batch_count include/linux/pagevec.h:53 [inline]
 cpu_needs_drain mm/swap.c:795 [inline]
 __lru_add_drain_all+0x137/0x420 mm/swap.c:889
 lru_add_drain_all+0x10/0x20 mm/swap.c:905
 invalidate_bdev+0x54/0x70 block/bdev.c:89
 __ext4_fill_super fs/ext4/super.c:5678 [inline]
 ext4_fill_super+0x1789/0x39b0 fs/ext4/super.c:5703
 get_tree_bdev+0x250/0x2e0 fs/super.c:1619
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5735
 vfs_get_tree+0x53/0x1d0 fs/super.c:1784
 do_new_mount+0x227/0x690 fs/namespace.c:3352
 path_mount+0x496/0xb30 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3875
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x0f -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 1973 Comm: syz-executor.0 Not tainted 6.8.0-rc4-syzkaller-00003-g716f4aaa7b48 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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