loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): failed to initialize system zone (-117)
EXT4-fs (loop1): mount failed
==================================================================
BUG: KCSAN: data-race in mlock_new_folio / need_mlock_drain

read-write to 0xffff888237d2b410 of 1 bytes by task 10863 on cpu 1:
 folio_batch_add include/linux/pagevec.h:77 [inline]
 mlock_new_folio+0x114/0x200 mm/mlock.c:280
 folio_add_lru_vma+0x15d/0x170 mm/swap.c:540
 do_anonymous_page mm/memory.c:4511 [inline]
 do_pte_missing mm/memory.c:3901 [inline]
 handle_pte_fault mm/memory.c:5380 [inline]
 __handle_mm_fault mm/memory.c:5523 [inline]
 handle_mm_fault+0x2411/0x2a80 mm/memory.c:5688
 faultin_page mm/gup.c:1290 [inline]
 __get_user_pages+0x49d/0xf10 mm/gup.c:1589
 populate_vma_page_range mm/gup.c:2029 [inline]
 __mm_populate+0x25b/0x3b0 mm/gup.c:2132
 mm_populate include/linux/mm.h:3464 [inline]
 __do_sys_mremap mm/mremap.c:1200 [inline]
 __se_sys_mremap+0x960/0xf20 mm/mremap.c:993
 __x64_sys_mremap+0x67/0x80 mm/mremap.c:993
 x64_sys_call+0x1029/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:26
 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

read to 0xffff888237d2b410 of 1 bytes by task 10896 on cpu 0:
 folio_batch_count include/linux/pagevec.h:56 [inline]
 need_mlock_drain+0x30/0x50 mm/mlock.c:235
 cpu_needs_drain mm/swap.c:806 [inline]
 __lru_add_drain_all+0x235/0x410 mm/swap.c:894
 lru_add_drain_all+0x10/0x20 mm/swap.c:910
 invalidate_bdev+0x47/0x70 block/bdev.c:100
 __ext4_fill_super fs/ext4/super.c:5651 [inline]
 ext4_fill_super+0x6f3/0x39e0 fs/ext4/super.c:5676
 get_tree_bdev+0x253/0x2e0 fs/super.c:1615
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5708
 vfs_get_tree+0x56/0x1d0 fs/super.c:1780
 do_new_mount+0x227/0x690 fs/namespace.c:3352
 path_mount+0x49b/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
 x64_sys_call+0x25c9/0x2d70 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: 0x13 -> 0x18

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 10896 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-00021-g2ef5971ff345 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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