EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
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BUG: KCSAN: data-race in __find_get_block / has_bh_in_lru

read-write to 0xffff888237c2ba28 of 8 bytes by task 9643 on cpu 0:
 bh_lru_install fs/buffer.c:1337 [inline]
 __find_get_block+0x434/0x8a0 fs/buffer.c:1400
 sb_find_get_block include/linux/buffer_head.h:398 [inline]
 recently_deleted fs/ext4/ialloc.c:689 [inline]
 find_inode_bit+0x167/0x320 fs/ext4/ialloc.c:731
 __ext4_new_inode+0xb5e/0x2230 fs/ext4/ialloc.c:1065
 ext4_xattr_inode_create fs/ext4/xattr.c:1486 [inline]
 ext4_xattr_inode_lookup_create+0x594/0xf70 fs/ext4/xattr.c:1596
 ext4_xattr_ibody_set+0x131/0x3b0 fs/ext4/xattr.c:2269
 ext4_xattr_set_handle+0x7ea/0xbf0 fs/ext4/xattr.c:2446
 ext4_xattr_set+0x197/0x250 fs/ext4/xattr.c:2560
 ext4_xattr_trusted_set+0x3c/0x50 fs/ext4/xattr_trusted.c:38
 __vfs_setxattr+0x2e5/0x310 fs/xattr.c:200
 __vfs_setxattr_noperm+0xed/0x420 fs/xattr.c:234
 __vfs_setxattr_locked+0x1af/0x1d0 fs/xattr.c:295
 vfs_setxattr+0x140/0x290 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x198/0x2a0 fs/xattr.c:665
 path_setxattrat+0x284/0x310 fs/xattr.c:713
 __do_sys_setxattr fs/xattr.c:747 [inline]
 __se_sys_setxattr fs/xattr.c:743 [inline]
 __x64_sys_setxattr+0x6e/0x90 fs/xattr.c:743
 x64_sys_call+0x2247/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:189
 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 0xffff888237c2ba28 of 8 bytes by task 6078 on cpu 1:
 has_bh_in_lru+0x35/0x1f0 fs/buffer.c:1521
 smp_call_function_many_cond+0x2d5/0xc20 kernel/smp.c:837
 on_each_cpu_cond_mask+0x3c/0x90 kernel/smp.c:1051
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x2a/0x30 fs/buffer.c:1530
 kill_bdev block/bdev.c:90 [inline]
 blkdev_flush_mapping+0x9b/0x1a0 block/bdev.c:670
 blkdev_put_whole block/bdev.c:677 [inline]
 bdev_release+0x2f9/0x420 block/bdev.c:1102
 blkdev_release+0x15/0x20 block/fops.c:635
 __fput+0x17a/0x6d0 fs/file_table.c:450
 ____fput+0x1c/0x30 fs/file_table.c:478
 task_work_run+0x13a/0x1a0 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xa8/0x120 kernel/entry/common.c:218
 do_syscall_64+0xd6/0x1c0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0xffff8881062ef548 -> 0xffff8881062ef820

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 6078 Comm: syz-executor Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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