Smack: duplicate mount options
------------[ cut here ]------------
WARNING: CPU: 0 PID: 30525 at fs/buffer.c:1130 mark_buffer_dirty+0x2dd/0x500
Modules linked in:
CPU: 0 PID: 30525 Comm: syz-executor.1 Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:mark_buffer_dirty+0x2dd/0x500 fs/buffer.c:1130
Code: df e8 f7 18 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 22 69 fc ff e8 ed 46 88 ff e9 71 ff ff ff e8 e3 46 88 ff <0f> 0b e9 6d fd ff ff e8 d7 46 88 ff 0f 0b e9 96 fd ff ff e8 cb 46
RSP: 0018:ffffc9000473fa30 EFLAGS: 00010287
RAX: ffffffff820338ad RBX: ffff888085438101 RCX: 0000000000040000
RDX: ffffc90014c2a000 RSI: 0000000000000571 RDI: 0000000000000572
RBP: 0000000000000000 R08: ffffffff82033614 R09: ffffed10070d5a01
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880386ad000
R13: dffffc0000000000 R14: ffffc9000473faa0 R15: 1ffff920008e7f54
FS:  00007fe9895ce700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f276a486000 CR3: 000000001f336000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __nilfs_mark_inode_dirty+0x105/0x280 fs/nilfs2/inode.c:1115
 nilfs_mark_inode_dirty fs/nilfs2/nilfs.h:288 [inline]
 nilfs_truncate+0x403/0x500 fs/nilfs2/inode.c:882
 nilfs_setattr+0x21a/0x2c0 fs/nilfs2/inode.c:990
 notify_change+0xc8b/0xf40 fs/attr.c:483
 do_truncate+0x220/0x300 fs/open.c:66
 do_sys_ftruncate+0x2e4/0x380 fs/open.c:194
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe98888c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe9895ce168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fe9889abf80 RCX: 00007fe98888c169
RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000000000004
RBP: 00007fe9888e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdd9e8ee7f R14: 00007fe9895ce300 R15: 0000000000022000
 </TASK>