reiserfs: enabling write barrier flush mode ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5404 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: 5404 Comm: syz-executor.5 Not tainted 5.9.0-rc6-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 00 ae 97 88 e8 03 36 93 ff e9 22 fe ff ff e8 19 49 ad ff <0f> 0b e9 6d fe ff ff 48 89 df e8 6a 18 ee ff e9 ea fd ff ff 4c 89 RSP: 0018:ffffc900088af6c0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880837f5820 RCX: ffffc900170a2000 RDX: 0000000000040000 RSI: ffffffff81c8f527 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000000 R11: 000000000013fcc8 R12: ffff8880837f58f8 R13: ffff8880837f58a8 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: 0033:0x46004a Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 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 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007fec565c0a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fec565c0b20 RCX: 000000000046004a RDX: 0000000020000540 RSI: 0000000020000580 RDI: 0000000000000000 RBP: 00007fec565c0ae0 R08: 00007fec565c0b20 R09: 0000000020000540 R10: 0000000000240038 R11: 0000000000000202 R12: 0000000020000540 R13: 0000000020000580 R14: 0000000000000000 R15: 0000000020001ec0 Kernel Offset: disabled Rebooting in 86400 seconds..