loop0: detected capacity change from 0 to 128 ------------[ cut here ]------------ name->len > NAME_MAX WARNING: fs/notify/fanotify/fanotify.h:217 at fanotify_info_copy_name fs/notify/fanotify/fanotify.h:217 [inline], CPU#1: syz.0.17/6136 WARNING: fs/notify/fanotify/fanotify.h:217 at fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:686 [inline], CPU#1: syz.0.17/6136 WARNING: fs/notify/fanotify/fanotify.h:217 at fanotify_alloc_event fs/notify/fanotify/fanotify.c:851 [inline], CPU#1: syz.0.17/6136 WARNING: fs/notify/fanotify/fanotify.h:217 at fanotify_handle_event+0x28d8/0x3f10 fs/notify/fanotify/fanotify.c:982, CPU#1: syz.0.17/6136 Modules linked in: CPU: 1 UID: 0 PID: 6136 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:fanotify_info_copy_name fs/notify/fanotify/fanotify.h:217 [inline] RIP: 0010:fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:686 [inline] RIP: 0010:fanotify_alloc_event fs/notify/fanotify/fanotify.c:851 [inline] RIP: 0010:fanotify_handle_event+0x28d8/0x3f10 fs/notify/fanotify/fanotify.c:982 Code: 64 24 10 e9 7c f9 ff ff e8 55 81 72 ff 90 0f 0b 90 e9 85 00 00 00 e8 47 81 72 ff 90 0f 0b 90 e9 94 fb ff ff e8 39 81 72 ff 90 <0f> 0b 90 e9 08 fd ff ff e8 2b 81 72 ff 90 0f 0b 90 4c 8b 6c 24 38 RSP: 0018:ffffc90003f07320 EFLAGS: 00010293 RAX: ffffffff82523347 RBX: ffffc90003f07764 RCX: ffff88801bf19ec0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003f07520 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8880330ec038 R11: ffffffff8248c280 R12: 0000000000000ffd R13: 1ffff920007e0e80 R14: ffff8880330ec000 R15: dffffc0000000000 FS: 00005555747dd500(0000) GS:ffff888125fb0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001400 CR3: 000000003e3c6000 CR4: 00000000003526f0 Call Trace: send_to_group fs/notify/fsnotify.c:371 [inline] fsnotify+0x1444/0x1b00 fs/notify/fsnotify.c:592 __fsnotify_parent+0x50d/0x620 fs/notify/fsnotify.c:238 fsnotify_parent include/linux/fsnotify.h:96 [inline] fsnotify_path include/linux/fsnotify.h:113 [inline] fsnotify_file include/linux/fsnotify.h:127 [inline] fsnotify_open include/linux/fsnotify.h:446 [inline] vfs_open+0x296/0x350 fs/open.c:1086 do_open fs/namei.c:4699 [inline] path_openat+0x2e43/0x38a0 fs/namei.c:4858 do_file_open+0x23e/0x4a0 fs/namei.c:4887 do_open_execat+0x12b/0x590 fs/exec.c:781 alloc_bprm+0x28/0x5c0 fs/exec.c:1401 class_bprm_constructor fs/exec.c:1466 [inline] do_execveat_common+0x175/0x690 fs/exec.c:1799 __do_sys_execve fs/exec.c:1930 [inline] __se_sys_execve fs/exec.c:1924 [inline] __x64_sys_execve+0x97/0xc0 fs/exec.c:1924 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f23ff1ccdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc9c2da018 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00007f23ff445fa0 RCX: 00007f23ff1ccdd9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000440 RBP: 00007f23ff262d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f23ff445fac R14: 00007f23ff445fa0 R15: 00007f23ff445fa0