------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1180! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6435 Comm: syz.4.94 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+0x1c75/0x1ca0 fs/ocfs2/aops.c:1241 Code: 4c 8b 03 48 8d bc 24 10 02 00 00 48 c7 c6 7e 53 62 8c ba 7f 04 00 00 48 c7 c1 00 90 e9 8a e8 92 3b 1a 00 0f 0b e8 2b 20 39 fe <0f> 0b e8 24 20 39 fe 0f 0b e8 1d 20 39 fe 0f 0b e8 16 20 39 fe 0f RSP: 0018:ffffc900041b6460 EFLAGS: 00010283 RAX: ffffffff834c7095 RBX: ffff888065adc014 RCX: 0000000000080000 RDX: ffffc90017e2a000 RSI: 0000000000013e7e RDI: 0000000000013e7f RBP: ffffc900041b6790 R08: ffff88805fbcc023 R09: 1ffff1100bf79804 R10: dffffc0000000000 R11: ffffed100bf79805 R12: ffff88802f304000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888065adc014 FS: 00007f179f2f16c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd63fff CR3: 000000002cf4f000 CR4: 00000000003506f0 Call Trace: ocfs2_write_begin_nolock+0x2fcb/0x4190 fs/ocfs2/aops.c:1817 ocfs2_dio_wr_get_block+0xb71/0x17a0 fs/ocfs2/aops.c:2239 get_more_blocks fs/direct-io.c:647 [inline] do_direct_IO fs/direct-io.c:935 [inline] __blockdev_direct_IO+0x1679/0x3420 fs/direct-io.c:1248 ocfs2_direct_IO+0x240/0x2b0 fs/ocfs2/aops.c:2468 generic_file_direct_write+0x1d4/0x3e0 mm/filemap.c:3956 __generic_file_write_iter+0x11b/0x230 mm/filemap.c:4112 ocfs2_file_write_iter+0x1582/0x1d00 fs/ocfs2/file.c:2468 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x79a/0xc70 fs/read_write.c:860 iter_file_splice_write+0x66f/0xc50 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe8/0x130 fs/splice.c:1142 splice_direct_to_actor+0x2f0/0x870 fs/splice.c:1088 do_splice_direct+0x1b7/0x2c0 fs/splice.c:1194 do_sendfile+0x5dc/0xf70 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x13f/0x190 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f179e38f749 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:00007f179f2f1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f179e5e5fa0 RCX: 00007f179e38f749 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000009 RBP: 00007f179e413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f179e5e6038 R14: 00007f179e5e5fa0 R15: 00007fff98dccaa8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1c75/0x1ca0 fs/ocfs2/aops.c:1241 Code: 4c 8b 03 48 8d bc 24 10 02 00 00 48 c7 c6 7e 53 62 8c ba 7f 04 00 00 48 c7 c1 00 90 e9 8a e8 92 3b 1a 00 0f 0b e8 2b 20 39 fe <0f> 0b e8 24 20 39 fe 0f 0b e8 1d 20 39 fe 0f 0b e8 16 20 39 fe 0f RSP: 0018:ffffc900041b6460 EFLAGS: 00010283 RAX: ffffffff834c7095 RBX: ffff888065adc014 RCX: 0000000000080000 RDX: ffffc90017e2a000 RSI: 0000000000013e7e RDI: 0000000000013e7f RBP: ffffc900041b6790 R08: ffff88805fbcc023 R09: 1ffff1100bf79804 R10: dffffc0000000000 R11: ffffed100bf79805 R12: ffff88802f304000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888065adc014 FS: 00007f179f2f16c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2b7c34 CR3: 000000002cf4f000 CR4: 00000000003506e0