netlink: 48 bytes leftover after parsing attributes in process `syz.2.363'.
loop2: detected capacity change from 0 to 512
EXT4-fs (loop2): bad geometry: first data block 1 is beyond end of filesystem (0)
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BUG: KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event

write to 0xffff888103c64bd4 of 4 bytes by task 3072 on cpu 1:
 fsnotify_detach_mark+0xe1/0x190 fs/notify/mark.c:511
 fsnotify_destroy_mark+0x9a/0x1a0 fs/notify/mark.c:553
 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:816 [inline]
 __se_sys_inotify_rm_watch+0xfd/0x180 fs/notify/inotify/inotify_user.c:793
 __x64_sys_inotify_rm_watch+0x31/0x40 fs/notify/inotify/inotify_user.c:793
 x64_sys_call+0x1b06/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:256
 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 0xffff888103c64bd4 of 4 bytes by task 4475 on cpu 0:
 inotify_handle_inode_event+0x2c2/0x310 fs/notify/inotify/inotify_fsnotify.c:132
 fsnotify_handle_inode_event+0x18e/0x1f0 fs/notify/fsnotify.c:284
 fsnotify_handle_event fs/notify/fsnotify.c:336 [inline]
 send_to_group fs/notify/fsnotify.c:384 [inline]
 fsnotify+0x10ba/0x11a0 fs/notify/fsnotify.c:593
 __fsnotify_parent+0x285/0x370 fs/notify/fsnotify.c:250
 fsnotify_parent include/linux/fsnotify.h:96 [inline]
 fsnotify_file include/linux/fsnotify.h:125 [inline]
 fsnotify_close include/linux/fsnotify.h:406 [inline]
 __fput+0x1f7/0x660 fs/file_table.c:408
 __fput_sync+0x44/0x60 fs/file_table.c:507
 __do_sys_close fs/open.c:1555 [inline]
 __se_sys_close+0x101/0x1b0 fs/open.c:1540
 __x64_sys_close+0x1f/0x30 fs/open.c:1540
 x64_sys_call+0x25f1/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:4
 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: 0x00000003 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 4475 Comm: syz.2.363 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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