REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop1): Using r5 hash to sort names
REISERFS (device loop1): using 3.5.x disk format
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4564 at fs/inode.c:994 unlock_new_inode+0xc8/0x100 fs/inode.c:999
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 4564 Comm: syz-executor1 Not tainted 5.5.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x12f/0x187 lib/dump_stack.c:118
 panic+0x22a/0x4f5 kernel/panic.c:221
 __warn.cold.10+0x25/0x28 kernel/panic.c:582
 report_bug+0x1b0/0x270 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:unlock_new_inode+0xc8/0x100 fs/inode.c:994
Code: d0 00 00 00 f0 83 44 24 fc 00 be 03 00 00 00 4c 89 e7 e8 db 1e a6 ff 4c 89 ef e8 a3 5a 36 05 48 83 c4 08 5b 41 5c 41 5d 5d c3 <0f> 0b eb b2 e8 6f 6d f2 ff e9 5b ff ff ff 4c 89 e7 48 89 45 e0 e8
REISERFS (device loop2): Using r5 hash to sort names
RSP: 0018:ffff8881c1cb7510 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881ce5d6750 RCX: ffffffff8152a562
RDX: 1ffff11039cbad04 RSI: 0000000000000004 RDI: ffff8881c1cb7478
RBP: ffff8881c1cb7530 R08: 0000000000000004 R09: ffffed1038396e8f
R10: ffffed1038396e8f R11: 0000000000000003 R12: ffff8881ce5d6820
R13: ffff8881ce5d67d8 R14: 00000000fffffff4 R15: ffff8881ce5ce750
 reiserfs_new_inode+0x3a2/0x1ec0 fs/reiserfs/inode.c:2168
REISERFS (device loop0): Using r5 hash to sort names
 reiserfs_mkdir+0x420/0x840 fs/reiserfs/namei.c:841
REISERFS (device loop2): using 3.5.x disk format
 xattr_mkdir.constprop.18+0x96/0xc0 fs/reiserfs/xattr.c:76
 create_privroot fs/reiserfs/xattr.c:878 [inline]
 reiserfs_xattr_init+0x405/0x984 fs/reiserfs/xattr.c:1000
 reiserfs_fill_super+0x1c0c/0x28b0 fs/reiserfs/super.c:2176
 mount_bdev+0x27b/0x340 fs/super.c:1417
 get_super_block+0x10/0x20 fs/reiserfs/super.c:2604
 legacy_get_tree+0x103/0x1f0 fs/fs_context.c:647
 vfs_get_tree+0x8b/0x2d0 fs/super.c:1547
REISERFS (device loop0): using 3.5.x disk format
 do_new_mount fs/namespace.c:2822 [inline]
 do_mount+0x1285/0x1b70 fs/namespace.c:3142
 __do_sys_mount fs/namespace.c:3351 [inline]
 __se_sys_mount fs/namespace.c:3328 [inline]
 __x64_sys_mount+0x169/0x1c0 fs/namespace.c:3328
 do_syscall_64+0xd0/0x600 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457eaa
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f6190f26bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000457eaa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f6190f26c00
RBP: 0000000000000006 R08: 0000000020011500 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 000000000000067d R14: 00000000006fcc58 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..