------------[ cut here ]------------ kernel BUG at fs/ocfs2/file.c:456! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4504 Comm: syz.0.11 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ocfs2_truncate_file+0x128a/0x14d0 fs/ocfs2/file.c:450 Code: 45 00 4c 89 f7 48 c7 c6 7f fc 51 8c ba c8 01 00 00 48 c7 c1 80 13 cc 8a 49 89 d8 4d 89 f9 50 41 54 e8 ba 2d 15 00 48 83 c4 10 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef f8 ff ff 48 89 df e8 RSP: 0018:ffffc90004d0f340 EFLAGS: 00010282 RAX: 1616ec9e2a44a300 RBX: 00000000000042a3 RCX: 1616ec9e2a44a300 RDX: ffffc9000fc4e000 RSI: 000000000005ea22 RDI: 000000000005ea23 RBP: ffffc90004d0f570 R08: dffffc0000000000 R09: fffff520009a1dd9 R10: fffff520009a1dd9 R11: 1ffff920009a1dd8 R12: 0000000000000096 R13: ffff88804f6d662c R14: ffffc90004d0f480 R15: 00000000000096ef FS: 00007fc4957446c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3cf99e7dac CR3: 0000000077fe7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_setattr+0x16a9/0x1cf0 fs/ocfs2/file.c:1212 notify_change+0xc74/0xf40 fs/attr.c:499 do_truncate+0x197/0x220 fs/open.c:65 handle_truncate fs/namei.c:3293 [inline] do_open fs/namei.c:3638 [inline] path_openat+0x27f2/0x2e70 fs/namei.c:3791 do_filp_open+0x1c1/0x3c0 fs/namei.c:3818 do_sys_openat2+0x142/0x490 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_open fs/open.c:1342 [inline] __se_sys_open fs/open.c:1338 [inline] __x64_sys_open+0x11b/0x140 fs/open.c:1338 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: 0033:0x7fc49498f6c9 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:00007fc495744038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fc494be6090 RCX: 00007fc49498f6c9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007fc494a11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc494be6128 R14: 00007fc494be6090 R15: 00007fff1a1e8138 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_truncate_file+0x128a/0x14d0 fs/ocfs2/file.c:450 Code: 45 00 4c 89 f7 48 c7 c6 7f fc 51 8c ba c8 01 00 00 48 c7 c1 80 13 cc 8a 49 89 d8 4d 89 f9 50 41 54 e8 ba 2d 15 00 48 83 c4 10 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef f8 ff ff 48 89 df e8 RSP: 0018:ffffc90004d0f340 EFLAGS: 00010282 RAX: 1616ec9e2a44a300 RBX: 00000000000042a3 RCX: 1616ec9e2a44a300 RDX: ffffc9000fc4e000 RSI: 000000000005ea22 RDI: 000000000005ea23 RBP: ffffc90004d0f570 R08: dffffc0000000000 R09: fffff520009a1dd9 R10: fffff520009a1dd9 R11: 1ffff920009a1dd8 R12: 0000000000000096 R13: ffff88804f6d662c R14: ffffc90004d0f480 R15: 00000000000096ef FS: 00007fc4957446c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056446b3c45f8 CR3: 0000000077fe7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400