REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS panic (device loop4): vs-13065 update_stat_data: key [1 2 0x0 SD], found item *3.5*[1 2 0(0) DIR], item_len 80, item_location 3972, free_space(entry_count) 3
------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5256 Comm: syz.4.234 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: 60 66 3b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 20 67 3b 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 20 1e 40 96 e8 79 4e ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 a7 52 c6 f7 48 c7 c7 e0
RSP: 0018:ffffc900030ef600 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: 1ffff9200061dec4 RCX: 5bacbd869e215d00
RDX: ffffc9000df92000 RSI: 000000000006dccd RDI: 000000000006dcce
RBP: ffffc900030ef710 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffffc900030ef640
R13: dffffc0000000000 R14: ffffffff8a3b1b80 R15: ffff88807bd006a8
FS:  00007f8fe7ec36c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f540777b000 CR3: 00000000256c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 update_stat_data fs/reiserfs/inode.c:1432 [inline]
 reiserfs_update_sd_size+0xd92/0xe10 fs/reiserfs/inode.c:1505
 reiserfs_update_sd fs/reiserfs/reiserfs.h:3099 [inline]
 reiserfs_mkdir+0x755/0x920 fs/reiserfs/namei.c:877
 xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
 create_privroot fs/reiserfs/xattr.c:889 [inline]
 reiserfs_xattr_init+0x331/0x720 fs/reiserfs/xattr.c:1012
 reiserfs_fill_super+0x1fe6/0x2440 fs/reiserfs/super.c:2179
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f8fe9c6b0ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f8fe7ec2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8fe7ec2ee0 RCX: 00007f8fe9c6b0ca
RDX: 0000200000000000 RSI: 00002000000000c0 RDI: 00007f8fe7ec2ea0
RBP: 0000200000000000 R08: 00007f8fe7ec2ee0 R09: 0000000000008488
R10: 0000000000008488 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f8fe7ec2ea0 R14: 00000000000010fd R15: 0000200000000780
 </TASK>
Modules linked in:
---[ end trace fd298f61dee822af ]---
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: 60 66 3b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 20 67 3b 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 20 1e 40 96 e8 79 4e ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 a7 52 c6 f7 48 c7 c7 e0
RSP: 0018:ffffc900030ef600 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: 1ffff9200061dec4 RCX: 5bacbd869e215d00
RDX: ffffc9000df92000 RSI: 000000000006dccd RDI: 000000000006dcce
RBP: ffffc900030ef710 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffffc900030ef640
R13: dffffc0000000000 R14: ffffffff8a3b1b80 R15: ffff88807bd006a8
FS:  00007f8fe7ec36c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f540777b000 CR3: 00000000256c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400