reiserfs: enabling write barrier flush mode
------------[ cut here ]------------
WARNING: CPU: 1 PID: 30118 at fs/inode.c:996 unlock_new_inode+0x237/0x290 fs/inode.c:996
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 30118 Comm: syz-executor.2 Not tainted 5.9.0-rc7-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+0x198/0x1fd lib/dump_stack.c:118
 panic+0x382/0x7fb kernel/panic.c:231
 __warn.cold+0x20/0x4b kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:unlock_new_inode+0x237/0x290 fs/inode.c:996
Code: 44 0f bf 83 72 01 00 00 48 8d 95 c8 00 00 00 31 c9 4c 89 e7 48 c7 c6 80 b0 97 88 e8 13 27 93 ff e9 22 fe ff ff e8 29 3a ad ff <0f> 0b e9 6d fe ff ff 48 89 df e8 1a 10 ee ff e9 ea fd ff ff 4c 89
RSP: 0018:ffffc90007a076c0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880832581d0 RCX: ffffc9000ce3b000
RDX: 0000000000040000 RSI: ffffffff81c90467 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000000 R11: 00000000001a08a8 R12: ffff8880832582a8
R13: ffff888083258258 R14: 0000000000000000 R15: 00000000fffffff4
 reiserfs_new_inode+0x3b8/0x2130 fs/reiserfs/inode.c:2166
 reiserfs_mkdir+0x4ad/0x980 fs/reiserfs/namei.c:841
 create_privroot fs/reiserfs/xattr.c:882 [inline]
 reiserfs_xattr_init+0x4de/0xb52 fs/reiserfs/xattr.c:1004
 reiserfs_remount+0xb97/0x1580 fs/reiserfs/super.c:1593
 legacy_reconfigure+0x115/0x180 fs/fs_context.c:615
 reconfigure_super+0x408/0x8d0 fs/super.c:957
 do_remount fs/namespace.c:2612 [inline]
 path_mount+0x1a4c/0x20a0 fs/namespace.c:3184
 do_mount fs/namespace.c:3205 [inline]
 __do_sys_mount fs/namespace.c:3413 [inline]
 __se_sys_mount fs/namespace.c:3390 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3390
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4607ea
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 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 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f9328b36a88 EFLAGS: 00000216 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9328b36b20 RCX: 00000000004607ea
RDX: 0000000020000540 RSI: 0000000020000580 RDI: 0000000000000000
RBP: 00007f9328b36ae0 R08: 00007f9328b36b20 R09: 0000000020000540
R10: 0000000000240038 R11: 0000000000000216 R12: 0000000020000540
R13: 0000000020000580 R14: 0000000000000000 R15: 0000000020001ec0
Kernel Offset: disabled
Rebooting in 86400 seconds..