REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
REISERFS panic (device loop0): 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: 4425 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: 40 55 9e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 56 9e 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 00 60 d8 96 e8 29 81 ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 87 88 60 f7 48 c7 c7 80
RSP: 0018:ffffc90003487600 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: 1ffff92000690ec4 RCX: 967e0fe6d218c900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003487710 R08: ffffc90003487307 R09: 1ffff92000690e60
R10: dffffc0000000000 R11: fffff52000690e61 R12: ffffc90003487640
R13: dffffc0000000000 R14: ffffffff8a9e0980 R15: ffff8880234e66a8
FS: 000055558729c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2fa3d4f000 CR3: 000000002f4eb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
update_stat_data fs/reiserfs/inode.c:1424 [inline]
reiserfs_update_sd_size+0xd92/0xe10 fs/reiserfs/inode.c:1497
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:882 [inline]
reiserfs_xattr_init+0x331/0x720 fs/reiserfs/xattr.c:1005
reiserfs_fill_super+0x1fee/0x23b0 fs/reiserfs/super.c:2175
mount_bdev+0x287/0x3c0 fs/super.c:1443
legacy_get_tree+0xe6/0x180 fs/fs_context.c:632
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x24a/0xa40 fs/namespace.c:3078
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9d2139da0a
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:00007ffe53c4fe08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe53c4fe90 RCX: 00007f9d2139da0a
RDX: 0000200000001100 RSI: 0000200000001140 RDI: 00007ffe53c4fe50
RBP: 0000200000001100 R08: 00007ffe53c4fe90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000001140
R13: 00007ffe53c4fe50 R14: 00000000000010ef R15: 0000200000001180
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: 40 55 9e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 56 9e 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 00 60 d8 96 e8 29 81 ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 87 88 60 f7 48 c7 c7 80
RSP: 0018:ffffc90003487600 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: 1ffff92000690ec4 RCX: 967e0fe6d218c900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003487710 R08: ffffc90003487307 R09: 1ffff92000690e60
R10: dffffc0000000000 R11: fffff52000690e61 R12: ffffc90003487640
R13: dffffc0000000000 R14: ffffffff8a9e0980 R15: ffff8880234e66a8
FS: 000055558729c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2fa3d4f000 CR3: 000000002f4eb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400