loop1: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,1) on (node local, slot 0) with writeback data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1180!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5464 Comm: syz.1.203 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1c71/0x1c90 fs/ocfs2/aops.c:1241
Code: 4c 8b 03 48 8d bc 24 10 02 00 00 48 c7 c6 5e 60 24 8c ba 7f 04 00 00 48 c7 c1 c0 df ab 8a e8 86 ff 19 00 0f 0b e8 5f ac 48 fe <0f> 0b e8 58 ac 48 fe 0f 0b e8 51 ac 48 fe 0f 0b e8 4a ac 48 fe 0f
RSP: 0018:ffffc9000d646e60 EFLAGS: 00010283
RAX: ffffffff83383371 RBX: ffff888054bce014 RCX: 0000000000080000
RDX: ffffc90005181000 RSI: 0000000000011607 RDI: 0000000000011608
RBP: ffffc9000d647190 R08: dffffc0000000000 R09: ffffed100a9a0b95
R10: ffffed100a9a0b95 R11: 1ffff1100a9a0b94 R12: ffff88807d0c8000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888054bce014
FS:  00007f9fe20746c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11dad1b920 CR3: 0000000024e1a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x2fed/0x4270 fs/ocfs2/aops.c:1817
 ocfs2_write_begin+0x1b8/0x300 fs/ocfs2/aops.c:1904
 generic_perform_write+0x2f7/0x5a0 mm/filemap.c:3862
 __generic_file_write_iter+0x148/0x2a0 mm/filemap.c:3960
 ocfs2_file_write_iter+0x1593/0x1df0 fs/ocfs2/file.c:2469
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x44c/0x960 fs/read_write.c:584
 ksys_write+0x143/0x240 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9fe118f749
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:00007f9fe2074038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9fe13e5fa0 RCX: 00007f9fe118f749
RDX: 000000000208e24b RSI: 0000200000000240 RDI: 0000000000000008
RBP: 00007f9fe1213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9fe13e6038 R14: 00007f9fe13e5fa0 R15: 00007ffc0ceca038
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1c71/0x1c90 fs/ocfs2/aops.c:1241
Code: 4c 8b 03 48 8d bc 24 10 02 00 00 48 c7 c6 5e 60 24 8c ba 7f 04 00 00 48 c7 c1 c0 df ab 8a e8 86 ff 19 00 0f 0b e8 5f ac 48 fe <0f> 0b e8 58 ac 48 fe 0f 0b e8 51 ac 48 fe 0f 0b e8 4a ac 48 fe 0f
RSP: 0018:ffffc9000d646e60 EFLAGS: 00010283
RAX: ffffffff83383371 RBX: ffff888054bce014 RCX: 0000000000080000
RDX: ffffc90005181000 RSI: 0000000000011607 RDI: 0000000000011608
RBP: ffffc9000d647190 R08: dffffc0000000000 R09: ffffed100a9a0b95
R10: ffffed100a9a0b95 R11: 1ffff1100a9a0b94 R12: ffff88807d0c8000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888054bce014
FS:  00007f9fe20746c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11dae31286 CR3: 0000000024e1a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400