REISERFS (device loop0): Using r5 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
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kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4420 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 c0 46 7e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 80 47 7e 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 00 90 b5 96 e8 76 83 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 27 fd 7a f7 48 c7 c7 00 50 7e 8a
RSP: 0018:ffffc90003237660 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: ffffffff8c2baa54 RCX: b6f695a0c37f6300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003237750 R08: dffffc0000000000 R09: fffff52000646e6d
R10: fffff52000646e6d R11: 1ffff92000646e6c R12: ffffffff8a7dfb20
R13: ffffc90003237680 R14: ffffffff8a7dfb00 R15: ffff8880793926a8
FS: 000055558f3e6500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21c577c000 CR3: 0000000029925000 CR4: 00000000003506e0
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+0xdb0/0xe30 fs/reiserfs/inode.c:1497
reiserfs_update_sd fs/reiserfs/reiserfs.h:3099 [inline]
reiserfs_mkdir+0x737/0x970 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+0x1f81/0x2340 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+0x2d6/0x3c0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1aacf90eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd723f9558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffd723f95e0 RCX: 00007f1aacf90eea
RDX: 0000200000000100 RSI: 0000200000000180 RDI: 00007ffd723f95a0
RBP: 0000200000000100 R08: 00007ffd723f95e0 R09: 0000000000008488
R10: 0000000000008488 R11: 0000000000000246 R12: 0000200000000180
R13: 00007ffd723f95a0 R14: 0000000000001104 R15: 00002000000000c0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 c0 46 7e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 80 47 7e 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 00 90 b5 96 e8 76 83 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 27 fd 7a f7 48 c7 c7 00 50 7e 8a
RSP: 0018:ffffc90003237660 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: ffffffff8c2baa54 RCX: b6f695a0c37f6300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003237750 R08: dffffc0000000000 R09: fffff52000646e6d
R10: fffff52000646e6d R11: 1ffff92000646e6c R12: ffffffff8a7dfb20
R13: ffffc90003237680 R14: ffffffff8a7dfb00 R15: ffff8880793926a8
FS: 000055558f3e6500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21c577e000 CR3: 0000000029925000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400