option from the mount to silence this warning. ======================================================= ocfs2: Mounting device (7,0) 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: 4690 Comm: syz.0.89 Not tainted 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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 27 cb 44 8c ba 7f 04 00 00 48 c7 c1 80 db cb 8a e8 a6 fe 19 00 0f 0b e8 9f 35 49 fe <0f> 0b e8 98 35 49 fe 0f 0b e8 91 35 49 fe 0f 0b e8 8a 35 49 fe 0f RSP: 0018:ffffc900060d6e40 EFLAGS: 00010283 RAX: ffffffff83379141 RBX: ffff888078410014 RCX: 0000000000080000 RDX: ffffc90005789000 RSI: 0000000000007c2e RDI: 0000000000007c2f RBP: ffffc900060d7170 R08: dffffc0000000000 R09: ffffed100a8c7b95 R10: ffffed100a8c7b95 R11: 1ffff1100a8c7b94 R12: ffff88807954c000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888078410014 FS: 00007fab15e6b6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000003c0 CR3: 0000000055892000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_write_begin_nolock+0x2fed/0x4270 fs/ocfs2/aops.c:1817 ocfs2_write_begin+0x1b8/0x300 fs/ocfs2/aops.c:1904 generic_perform_write+0x2db/0x560 mm/filemap.c:3846 __generic_file_write_iter+0x172/0x430 mm/filemap.c:3974 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: 0033:0x7fab14f8ebe9 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:00007fab15e6b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fab151b5fa0 RCX: 00007fab14f8ebe9 RDX: 0000000000000050 RSI: 00002000000000c0 RDI: 0000000000000004 RBP: 00007fab15011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fab151b6038 R14: 00007fab151b5fa0 R15: 00007ffec8788f68 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 27 cb 44 8c ba 7f 04 00 00 48 c7 c1 80 db cb 8a e8 a6 fe 19 00 0f 0b e8 9f 35 49 fe <0f> 0b e8 98 35 49 fe 0f 0b e8 91 35 49 fe 0f 0b e8 8a 35 49 fe 0f RSP: 0018:ffffc900060d6e40 EFLAGS: 00010283 RAX: ffffffff83379141 RBX: ffff888078410014 RCX: 0000000000080000 RDX: ffffc90005789000 RSI: 0000000000007c2e RDI: 0000000000007c2f RBP: ffffc900060d7170 R08: dffffc0000000000 R09: ffffed100a8c7b95 R10: ffffed100a8c7b95 R11: 1ffff1100a8c7b94 R12: ffff88807954c000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888078410014 FS: 00007fab15e6b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3bb740 CR3: 0000000055892000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400