loop1: detected capacity change from 0 to 512 ================================================================== BUG: KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event write to 0xffff888103fef9a4 of 4 bytes by task 3253 on cpu 0: fsnotify_detach_mark+0xe1/0x190 fs/notify/mark.c:537 fsnotify_destroy_mark+0x9a/0x1a0 fs/notify/mark.c:579 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:816 [inline] __se_sys_inotify_rm_watch+0xf1/0x170 fs/notify/inotify/inotify_user.c:793 __x64_sys_inotify_rm_watch+0x31/0x40 fs/notify/inotify/inotify_user.c:793 x64_sys_call+0x1ae0/0x2d60 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 0xffff888103fef9a4 of 4 bytes by task 3540 on cpu 1: fsnotify_handle_inode_event+0xf6/0x1f0 fs/notify/fsnotify.c:287 fsnotify_handle_event fs/notify/fsnotify.c:347 [inline] send_to_group fs/notify/fsnotify.c:395 [inline] fsnotify+0x10ba/0x11a0 fs/notify/fsnotify.c:604 __fsnotify_parent+0x285/0x380 fs/notify/fsnotify.c:261 fsnotify_parent include/linux/fsnotify.h:96 [inline] fsnotify_file include/linux/fsnotify.h:131 [inline] fsnotify_close include/linux/fsnotify.h:412 [inline] __fput+0x5a6/0x6d0 fs/file_table.c:417 __fput_sync+0x43/0x60 fs/file_table.c:516 __do_sys_close fs/open.c:1565 [inline] __se_sys_close+0xf9/0x1a0 fs/open.c:1550 __x64_sys_close+0x1f/0x30 fs/open.c:1550 x64_sys_call+0x25cb/0x2d60 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: 1 UID: 0 PID: 3540 Comm: syz.1.35 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================