loop0: detected capacity change from 0 to 2048
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
VFS_BUG_ON_INODE(1) encountered for inode ffff8880437fb458
------------[ cut here ]------------
kernel BUG at fs/namei.c:3474!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #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:may_open+0x462/0x470 fs/namei.c:3474
Code: 38 c1 0f 8c 9b fe ff ff 4c 89 ff e8 f8 39 ec ff e9 8e fe ff ff e8 7e 1c 89 ff 4c 89 f7 48 c7 c6 40 40 99 8b e8 2f 0b f1 fe 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d387940 EFLAGS: 00010246
RAX: 000000000000003a RBX: dffffc0000000000 RCX: 603e96e90cfe6b00
RDX: ffffc9000e052000 RSI: 0000000000000307 RDI: 0000000000000308
RBP: ffffffff8e29be40 R08: ffffc9000d387627 R09: 1ffff92001a70ec4
R10: dffffc0000000000 R11: fffff52001a70ec5 R12: ffffc9000d387c20
R13: 000000000000000e R14: ffff8880437fb458 R15: 0000000000000002
FS:  00007f9f777976c0(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003e1f3000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_open fs/namei.c:3885 [inline]
 path_openat+0x2d91/0x3830 fs/namei.c:4046
 do_filp_open+0x1fa/0x410 fs/namei.c:4073
 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: 0033:0x7f9f7698e969
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:00007f9f77797038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9f76bb5fa0 RCX: 00007f9f7698e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007f9f76a10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9f76bb5fa0 R15: 00007ffdbe9b8da8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:may_open+0x462/0x470 fs/namei.c:3474
Code: 38 c1 0f 8c 9b fe ff ff 4c 89 ff e8 f8 39 ec ff e9 8e fe ff ff e8 7e 1c 89 ff 4c 89 f7 48 c7 c6 40 40 99 8b e8 2f 0b f1 fe 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d387940 EFLAGS: 00010246
RAX: 000000000000003a RBX: dffffc0000000000 RCX: 603e96e90cfe6b00
RDX: ffffc9000e052000 RSI: 0000000000000307 RDI: 0000000000000308
RBP: ffffffff8e29be40 R08: ffffc9000d387627 R09: 1ffff92001a70ec4
R10: dffffc0000000000 R11: fffff52001a70ec5 R12: ffffc9000d387c20
R13: 000000000000000e R14: ffff8880437fb458 R15: 0000000000000002
FS:  00007f9f777976c0(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9f77775fc8 CR3: 000000003e1f3000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400