------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1159! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 14888 Comm: syz.8.1767 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 f4 9e bf 8d ba 6a 04 00 00 48 c7 c1 40 52 ea 8b e8 78 51 1b 00 90 0f 0b e8 f0 82 26 fe 90 <0f> 0b e8 e8 82 26 fe 90 0f 0b e8 e0 82 26 fe 90 0f 0b e8 d8 82 26 RSP: 0018:ffffc90013046e60 EFLAGS: 00010283 RAX: ffffffff839a0be0 RBX: ffff88803212e014 RCX: 0000000000080000 RDX: ffffc90012c0d000 RSI: 0000000000001cca RDI: 0000000000001ccb RBP: ffffc90013047190 R08: ffff88804130a3a3 R09: 1ffff11008261474 R10: dffffc0000000000 R11: ffffed1008261475 R12: ffff888057f54000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88803212e014 FS: 00007f741b0676c0(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f741b045f98 CR3: 000000007dc08000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000032e7 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1796 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1884 generic_perform_write+0x2c2/0x900 mm/filemap.c:4188 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f741a18ebe9 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:00007f741b067038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f741a3b6090 RCX: 00007f741a18ebe9 RDX: 0000000000000148 RSI: 0000200000000640 RDI: 0000000000000004 RBP: 00007f741a211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f741a3b6128 R14: 00007f741a3b6090 R15: 00007ffe90de5f78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 f4 9e bf 8d ba 6a 04 00 00 48 c7 c1 40 52 ea 8b e8 78 51 1b 00 90 0f 0b e8 f0 82 26 fe 90 <0f> 0b e8 e8 82 26 fe 90 0f 0b e8 e0 82 26 fe 90 0f 0b e8 d8 82 26 RSP: 0018:ffffc90013046e60 EFLAGS: 00010283 RAX: ffffffff839a0be0 RBX: ffff88803212e014 RCX: 0000000000080000 RDX: ffffc90012c0d000 RSI: 0000000000001cca RDI: 0000000000001ccb RBP: ffffc90013047190 R08: ffff88804130a3a3 R09: 1ffff11008261474 R10: dffffc0000000000 R11: ffffed1008261475 R12: ffff888057f54000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88803212e014 FS: 00007f741b0676c0(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f741b004d58 CR3: 000000007dc08000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000032e7 DR6: 00000000ffff0ff0 DR7: 0000000000000400