loop0: detected capacity change from 0 to 128 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5859 at fs/notify/fanotify/fanotify.h:216 fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] WARNING: CPU: 0 PID: 5859 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:680 [inline] WARNING: CPU: 0 PID: 5859 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_event fs/notify/fanotify/fanotify.c:845 [inline] WARNING: CPU: 0 PID: 5859 at fs/notify/fanotify/fanotify.h:216 fanotify_handle_event+0x30fd/0x3d00 fs/notify/fanotify/fanotify.c:976 Modules linked in: CPU: 0 UID: 0 PID: 5859 Comm: syz.0.15 Not tainted 6.16.0-rc7-syzkaller-g89be9a83ccf1 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] RIP: 0010:fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:680 [inline] RIP: 0010:fanotify_alloc_event fs/notify/fanotify/fanotify.c:845 [inline] RIP: 0010:fanotify_handle_event+0x30fd/0x3d00 fs/notify/fanotify/fanotify.c:976 Code: f8 ff ff e8 65 3a 77 ff 90 0f 0b 90 e9 3e f9 ff ff e8 57 3a 77 ff 90 0f 0b 90 4c 8b 64 24 08 e9 62 fa ff ff e8 44 3a 77 ff 90 <0f> 0b 90 e9 f4 fb ff ff e8 36 3a 77 ff 90 0f 0b 90 e9 9d fd ff ff RSP: 0018:ffffc9000d1e7480 EFLAGS: 00010293 RAX: ffffffff8248f6bc RBX: 0000000000000ffd RCX: ffff888036670000 RDX: 0000000000000000 RSI: 0000000000000ffd RDI: 00000000000000ff RBP: ffffc9000d1e7660 R08: 0000000000000002 R09: 0000000000000000 R10: ffff888041498038 R11: ffffffff8240a230 R12: 0000000000000ffd R13: 1ffff92001a3cea8 R14: ffffc9000d1e7880 R15: ffff888041498000 FS: 00007f9c561fe6c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a5c2a4000 CR3: 000000004e90d000 CR4: 0000000000352ef0 Call Trace: send_to_group fs/notify/fsnotify.c:420 [inline] fsnotify+0x140f/0x1a80 fs/notify/fsnotify.c:641 __fsnotify_parent+0x3fe/0x540 fs/notify/fsnotify.c:287 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:471 [inline] vfs_open+0x28a/0x340 fs/open.c:1101 do_open fs/namei.c:3896 [inline] path_openat+0x2ee5/0x3830 fs/namei.c:4055 do_filp_open+0x1fa/0x410 fs/namei.c:4082 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1524 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c56f7e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9c561fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f9c57135f80 RCX: 00007f9c56f7e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020003500 RBP: 00007f9c56ff139e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9c57135f80 R15: 00007fffec8bdd08