loop2: detected capacity change from 0 to 512
EXT4-fs (loop2): ext4_check_descriptors: Inode bitmap for group 0 not in group (block 7454)!
EXT4-fs (loop2): group descriptors corrupted!
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BUG: KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event

write to 0xffff8881033168b4 of 4 bytes by task 21210 on cpu 0:
 fsnotify_detach_mark+0xe0/0x190 fs/notify/mark.c:455
 fsnotify_destroy_mark+0x97/0x190 fs/notify/mark.c:497
 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:817 [inline]
 __se_sys_inotify_rm_watch+0xfd/0x180 fs/notify/inotify/inotify_user.c:794
 __x64_sys_inotify_rm_watch+0x31/0x40 fs/notify/inotify/inotify_user.c:794
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff8881033168b4 of 4 bytes by task 15378 on cpu 1:
 fsnotify_handle_inode_event+0xfa/0x1f0 fs/notify/fsnotify.c:256
 fsnotify_handle_event fs/notify/fsnotify.c:316 [inline]
 send_to_group fs/notify/fsnotify.c:364 [inline]
 fsnotify+0x101c/0x1150 fs/notify/fsnotify.c:570
 __fsnotify_parent+0x307/0x480 fs/notify/fsnotify.c:230
 fsnotify_parent include/linux/fsnotify.h:77 [inline]
 fsnotify_file include/linux/fsnotify.h:100 [inline]
 fsnotify_close include/linux/fsnotify.h:342 [inline]
 __fput+0x1da/0x630 fs/file_table.c:380
 __fput_sync+0x44/0x50 fs/file_table.c:475
 __do_sys_close fs/open.c:1587 [inline]
 __se_sys_close+0xfa/0x1a0 fs/open.c:1572
 __x64_sys_close+0x1f/0x30 fs/open.c:1572
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x00000003 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 15378 Comm: syz-executor.2 Not tainted 6.7.0-rc8-syzkaller-00024-gac865f00af29 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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