loop3: detected capacity change from 0 to 512 ext4: Unknown parameter 'subj_type' ================================================================== BUG: KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event write to 0xffff8881034a9184 of 4 bytes by task 12011 on cpu 1: fsnotify_detach_mark+0xba/0x160 fs/notify/mark.c:547 fsnotify_destroy_mark+0x6e/0x140 fs/notify/mark.c:589 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:805 [inline] __se_sys_inotify_rm_watch+0xea/0x170 fs/notify/inotify/inotify_user.c:786 __x64_sys_inotify_rm_watch+0x31/0x40 fs/notify/inotify/inotify_user.c:786 x64_sys_call+0x25e0/0x2dc0 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 0xffff8881034a9184 of 4 bytes by task 13167 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:298 fsnotify_handle_event fs/notify/fsnotify.c:353 [inline] send_to_group fs/notify/fsnotify.c:401 [inline] fsnotify+0x10ae/0x1190 fs/notify/fsnotify.c:610 __fsnotify_parent+0x285/0x380 fs/notify/fsnotify.c:264 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+0x5a5/0x6d0 fs/file_table.c:436 __fput_sync+0x96/0xc0 fs/file_table.c:535 __do_sys_close fs/open.c:1554 [inline] __se_sys_close+0x109/0x1b0 fs/open.c:1539 __x64_sys_close+0x1f/0x30 fs/open.c:1539 x64_sys_call+0x266c/0x2dc0 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 UID: 0 PID: 13167 Comm: syz.3.3263 Not tainted 6.12.0-syzkaller-09435-g2c22dc1ee3a1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== loop3: detected capacity change from 0 to 512 EXT4-fs: Ignoring removed mblk_io_submit option EXT4-fs error (device loop3): ext4_xattr_ibody_find:2240: inode #15: comm syz.3.3263: corrupted in-inode xattr: invalid ea_ino EXT4-fs error (device loop3): ext4_orphan_get:1394: comm syz.3.3263: couldn't read orphan inode 15 (err -117) EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.