loop0: detected capacity change from 0 to 128 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5327 at fs/notify/fanotify/fanotify.h:216 fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] WARNING: CPU: 0 PID: 5327 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:646 [inline] WARNING: CPU: 0 PID: 5327 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_event fs/notify/fanotify/fanotify.c:810 [inline] WARNING: CPU: 0 PID: 5327 at fs/notify/fanotify/fanotify.h:216 fanotify_handle_event+0x2eba/0x3c50 fs/notify/fanotify/fanotify.c:936 Modules linked in: CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 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:646 [inline] RIP: 0010:fanotify_alloc_event fs/notify/fanotify/fanotify.c:810 [inline] RIP: 0010:fanotify_handle_event+0x2eba/0x3c50 fs/notify/fanotify/fanotify.c:936 Code: f6 ff ff e8 58 a4 6e ff 90 0f 0b 90 e9 c0 f7 ff ff e8 4a a4 6e ff 90 0f 0b 90 4c 8b 6c 24 10 e9 e7 f8 ff ff e8 37 a4 6e ff 90 <0f> 0b 90 4c 8b 6c 24 10 e9 04 fb ff ff e8 24 a4 6e ff 90 0f 0b 90 RSP: 0018:ffffc9000d7a73e0 EFLAGS: 00010287 RAX: ffffffff82263629 RBX: ffffc9000d7a7844 RCX: 0000000000040000 RDX: ffffc9000d559000 RSI: 000000000001287c RDI: 000000000001287d RBP: ffffc9000d7a75e0 R08: ffffffff82262f60 R09: 0000000000000000 R10: ffff888043798038 R11: ffffffff821d7890 R12: ffff888043798000 R13: 0000000000000ffd R14: ffff888043798000 R15: dffffc0000000000 FS: 00007f31bddad6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004000 CR3: 000000003ed12000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: send_to_group fs/notify/fsnotify.c:394 [inline] fsnotify+0x1657/0x1f60 fs/notify/fsnotify.c:607 __fsnotify_parent+0x4f5/0x5e0 fs/notify/fsnotify.c:264 fsnotify_parent include/linux/fsnotify.h:96 [inline] fsnotify_file include/linux/fsnotify.h:131 [inline] fsnotify_open include/linux/fsnotify.h:401 [inline] vfs_open+0x28d/0x330 fs/open.c:1095 do_open fs/namei.c:3774 [inline] path_openat+0x2c84/0x3590 fs/namei.c:3933 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_creat fs/open.c:1508 [inline] __se_sys_creat fs/open.c:1502 [inline] __x64_sys_creat+0x123/0x170 fs/open.c:1502 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f31bcf7e719 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:00007f31bddad038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f31bd135f80 RCX: 00007f31bcf7e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020003500 RBP: 00007f31bcff139e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f31bd135f80 R15: 00007fff97396168