------------[ cut here ]------------ kernel BUG at fs/ocfs2/inode.c:356! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 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 2d 30 6f fe e9 f8 f9 ff ff e8 63 53 03 fe 90 <0f> 0b e8 5b 53 03 fe 90 0f 0b e8 53 53 03 fe 90 0f 0b 65 8b 1d 0d RSP: 0018:ffffc9000f4a7520 EFLAGS: 00010283 RAX: ffffffff83c27c0d RBX: ffff88801a870878 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000004d8 RDI: 00000000000004d9 RBP: ffffc9000f4a7650 R08: ffff888043580000 R09: 0000000000000002 R10: 0000000000006000 R11: 0000000000000002 R12: dffffc0000000000 R13: ffff888013161400 R14: 00000000ffffffff R15: ffff88801249c000 FS: 00007f11548096c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1154808ff8 CR3: 0000000044635000 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_slow+0x2b7/0x410 fs/namei.c:1916 lookup_slow+0x53/0x70 fs/namei.c:1933 walk_component fs/namei.c:2279 [inline] lookup_last fs/namei.c:2786 [inline] path_lookupat+0x3f5/0x8c0 fs/namei.c:2810 filename_lookup+0x256/0x5d0 fs/namei.c:2839 filename_listxattr fs/xattr.c:945 [inline] path_listxattrat+0x13b/0x3f0 fs/xattr.c:975 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: 0033:0x7f115399c819 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:00007f1154808fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 RAX: ffffffffffffffda RBX: 00007f1153c16090 RCX: 00007f115399c819 RDX: 00000000000000bd RSI: 0000200000000440 RDI: 0000200000000280 RBP: 00007f1153a32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1153c16128 R14: 00007f1153c16090 R15: 00007fffcad1d178 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 2d 30 6f fe e9 f8 f9 ff ff e8 63 53 03 fe 90 <0f> 0b e8 5b 53 03 fe 90 0f 0b e8 53 53 03 fe 90 0f 0b 65 8b 1d 0d RSP: 0018:ffffc9000f4a7520 EFLAGS: 00010283 RAX: ffffffff83c27c0d RBX: ffff88801a870878 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000004d8 RDI: 00000000000004d9 RBP: ffffc9000f4a7650 R08: ffff888043580000 R09: 0000000000000002 R10: 0000000000006000 R11: 0000000000000002 R12: dffffc0000000000 R13: ffff888013161400 R14: 00000000ffffffff R15: ffff88801249c000 FS: 00007f11548096c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1154808ff8 CR3: 0000000044635000 CR4: 0000000000352ef0