EXT4-fs (loop4): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop4): 1 truncate cleaned up
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BUG: KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead

write to 0xffff88812b51b284 of 4 bytes by task 17631 on cpu 1:
 do_sync_mmap_readahead+0x24c/0x2a0 mm/filemap.c:3173
 filemap_fault+0x331/0xa60 mm/filemap.c:3314
 __do_fault+0xb6/0x200 mm/memory.c:4655
 do_shared_fault mm/memory.c:5121 [inline]
 do_fault mm/memory.c:5195 [inline]
 do_pte_missing mm/memory.c:3947 [inline]
 handle_pte_fault mm/memory.c:5522 [inline]
 __handle_mm_fault mm/memory.c:5665 [inline]
 handle_mm_fault+0xc0a/0x2940 mm/memory.c:5833
 do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x296/0x650 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
 rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:57
 copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline]
 _inline_copy_to_user include/linux/uaccess.h:181 [inline]
 _copy_to_user+0x77/0xa0 lib/usercopy.c:26
 copy_to_user include/linux/uaccess.h:209 [inline]
 msr_read+0xf8/0x180 arch/x86/kernel/msr.c:69
 vfs_read+0x1a2/0x6e0 fs/read_write.c:474
 ksys_read+0xeb/0x1b0 fs/read_write.c:619
 __do_sys_read fs/read_write.c:629 [inline]
 __se_sys_read fs/read_write.c:627 [inline]
 __x64_sys_read+0x42/0x50 fs/read_write.c:627
 x64_sys_call+0x27d3/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:1
 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

write to 0xffff88812b51b284 of 4 bytes by task 17636 on cpu 0:
 do_sync_mmap_readahead+0x24c/0x2a0 mm/filemap.c:3173
 filemap_fault+0x331/0xa60 mm/filemap.c:3314
 __do_fault+0xb6/0x200 mm/memory.c:4655
 do_read_fault mm/memory.c:5061 [inline]
 do_fault mm/memory.c:5191 [inline]
 do_pte_missing mm/memory.c:3947 [inline]
 handle_pte_fault mm/memory.c:5522 [inline]
 __handle_mm_fault mm/memory.c:5665 [inline]
 handle_mm_fault+0xe2a/0x2940 mm/memory.c:5833
 faultin_page mm/gup.c:1194 [inline]
 __get_user_pages+0x499/0x10d0 mm/gup.c:1493
 populate_vma_page_range mm/gup.c:1932 [inline]
 __mm_populate+0x25b/0x3b0 mm/gup.c:2035
 mm_populate include/linux/mm.h:3415 [inline]
 vm_mmap_pgoff+0x1d6/0x290 mm/util.c:593
 ksys_mmap_pgoff+0x292/0x340 mm/mmap.c:1514
 x64_sys_call+0x1884/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:10
 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: 0x00000000 -> 0x00000008

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 17636 Comm: syz.4.4111 Not tainted 6.11.0-rc3-syzkaller-00279-ge5fa841af679 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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