------------[ cut here ]------------ kernel BUG at fs/ocfs2/inode.c:356! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:ocfs2_populate_inode+0x162e/0x17d0 fs/ocfs2/inode.c:356 Code: fe e9 5b f7 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 05 fa ff ff 4c 89 f7 e8 5d 3c 6f fe e9 f8 f9 ff ff e8 63 61 03 fe 90 <0f> 0b e8 5b 61 03 fe 90 0f 0b e8 53 61 03 fe 90 0f 0b 65 8b 1d ed RSP: 0018:ffffc9000f5c7460 EFLAGS: 00010287 RAX: ffffffff83c25d2d RBX: ffff888047be8878 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000003e0 RDI: 00000000000003e1 RBP: ffffc9000f5c7590 R08: ffff88803c178000 R09: 0000000000000002 R10: 0000000000006000 R11: 0000000000000002 R12: dffffc0000000000 R13: ffff888056b80400 R14: 0000000000000001 R15: ffff888035804000 FS: 00007fbf6080c6c0(0000) GS:ffff88808ca4c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001fd9c000 CR4: 0000000000352ef0 Call Trace: ocfs2_read_locked_inode fs/ocfs2/inode.c:620 [inline] ocfs2_iget+0xe22/0x1c20 fs/ocfs2/inode.c:157 ocfs2_lookup+0x2b0/0xa50 fs/ocfs2/namei.c:128 lookup_open fs/namei.c:4462 [inline] open_last_lookups fs/namei.c:4589 [inline] path_openat+0x11ac/0x3860 fs/namei.c:4833 do_file_open+0x23e/0x4a0 fs/namei.c:4865 do_sys_openat2+0x113/0x200 fs/open.c:1366 do_sys_open fs/open.c:1372 [inline] __do_sys_open fs/open.c:1380 [inline] __se_sys_open fs/open.c:1376 [inline] __x64_sys_open+0x11e/0x150 fs/open.c:1376 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbf5f99c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbf6080bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fbf5fc16090 RCX: 00007fbf5f99c819 RDX: 0000000000000000 RSI: 0000000000060142 RDI: 0000200000000000 RBP: 00007fbf5fa32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbf5fc16128 R14: 00007fbf5fc16090 R15: 00007ffd94c24658 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_populate_inode+0x162e/0x17d0 fs/ocfs2/inode.c:356 Code: fe e9 5b f7 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 05 fa ff ff 4c 89 f7 e8 5d 3c 6f fe e9 f8 f9 ff ff e8 63 61 03 fe 90 <0f> 0b e8 5b 61 03 fe 90 0f 0b e8 53 61 03 fe 90 0f 0b 65 8b 1d ed RSP: 0018:ffffc9000f5c7460 EFLAGS: 00010287 RAX: ffffffff83c25d2d RBX: ffff888047be8878 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000003e0 RDI: 00000000000003e1 RBP: ffffc9000f5c7590 R08: ffff88803c178000 R09: 0000000000000002 R10: 0000000000006000 R11: 0000000000000002 R12: dffffc0000000000 R13: ffff888056b80400 R14: 0000000000000001 R15: ffff888035804000 FS: 00007fbf6080c6c0(0000) GS:ffff88808ca4c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf607eafe8 CR3: 000000001fd9c000 CR4: 0000000000352ef0