REISERFS (device loop2): checking transaction log (loop2) REISERFS (device loop2): Using r5 hash to sort names REISERFS panic (device loop2): 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: 1 PID: 5187 Comm: syz.2.128 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:ffffc900051f7660 EFLAGS: 00010246 RAX: 00000000000000a6 RBX: ffffffff8c2baa54 RCX: b6da04ffd6d3fe00 RDX: ffffc9000de79000 RSI: 0000000000024d00 RDI: 0000000000024d01 RBP: ffffc900051f7750 R08: dffffc0000000000 R09: fffff52000a3ee6d R10: fffff52000a3ee6d R11: 1ffff92000a3ee6c R12: ffffffff8a7dfb20 R13: ffffc900051f7680 R14: ffffffff8a7dfb00 R15: ffff88807650e6a8 FS: 00007f31bd8f76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f02cb58e990 CR3: 000000001cfd5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f31bc990eea 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:00007f31bd8f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f31bd8f6ef0 RCX: 00007f31bc990eea RDX: 0000200000000100 RSI: 0000200000000180 RDI: 00007f31bd8f6eb0 RBP: 0000200000000100 R08: 00007f31bd8f6ef0 R09: 0000000000008488 R10: 0000000000008488 R11: 0000000000000246 R12: 0000200000000180 R13: 00007f31bd8f6eb0 R14: 0000000000001104 R15: 00002000000000c0 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:ffffc900051f7660 EFLAGS: 00010246 RAX: 00000000000000a6 RBX: ffffffff8c2baa54 RCX: b6da04ffd6d3fe00 RDX: ffffc9000de79000 RSI: 0000000000024d00 RDI: 0000000000024d01 RBP: ffffc900051f7750 R08: dffffc0000000000 R09: fffff52000a3ee6d R10: fffff52000a3ee6d R11: 1ffff92000a3ee6c R12: ffffffff8a7dfb20 R13: ffffc900051f7680 R14: ffffffff8a7dfb00 R15: ffff88807650e6a8 FS: 00007f31bd8f76c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe549fb4b1e CR3: 000000001cfd5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400