loop1: detected capacity change from 0 to 32768
 slab debugfs_inode_cache start ffff888073ee23a8 pointer offset 448 size 1176
list_add corruption. next->prev should be prev (ffff888140af69c0), but was ffffffff9a43e100. (next=ffff888073ee2568).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:31!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 6207 Comm: syz.1.30 Not tainted 6.13.0-syzkaller-09793-g69b8923f5003 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__list_add_valid_or_report+0xf3/0x130 lib/list_debug.c:29
Code: 5f 1b fd 42 80 7c 2d 00 00 74 08 48 89 df e8 a4 9c 3c fd 49 8b 56 08 48 c7 c7 20 ae 5f 8c 4c 89 e6 4c 89 f1 e8 0e 32 40 fc 90 <0f> 0b 4c 89 e7 e8 73 5f 1b fd 42 80 3c 2b 00 74 08 4c 89 e7 e8 74
RSP: 0018:ffffc90003c9f138 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff888073ee2570 RCX: 722483daba9b9200
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffff1100e7dc4ae R08: ffffffff819f1fbc R09: fffffbfff1cfa584
R10: dffffc0000000000 R11: fffffbfff1cfa584 R12: ffff888140af69c0
R13: dffffc0000000000 R14: ffff888073ee2568 R15: ffff888073e59108
FS:  00007f7412a986c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59789ff000 CR3: 00000000746b4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add include/linux/list.h:169 [inline]
 inode_sb_list_add fs/inode.c:617 [inline]
 new_inode+0xc7/0x1d0 fs/inode.c:1195
 debugfs_get_inode fs/debugfs/inode.c:72 [inline]
 debugfs_create_dir+0xf6/0x430 fs/debugfs/inode.c:597
 bch2_fs_debug_init+0xdb/0x450 fs/bcachefs/debug.c:908
 bch2_fs_online+0x28e/0x860 fs/bcachefs/super.c:701
 bch2_fs_alloc fs/bcachefs/super.c:944 [inline]
 bch2_fs_open+0x2cd8/0x2d50 fs/bcachefs/super.c:2053
 bch2_fs_get_tree+0x738/0x1740 fs/bcachefs/fs.c:2190
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7411b8e54a
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:00007f7412a97e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7412a97ef0 RCX: 00007f7411b8e54a
RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007f7412a97eb0
RBP: 0000000020000000 R08: 00007f7412a97ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000040
R13: 00007f7412a97eb0 R14: 000000000000593f R15: 0000000020000380
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xf3/0x130 lib/list_debug.c:29
Code: 5f 1b fd 42 80 7c 2d 00 00 74 08 48 89 df e8 a4 9c 3c fd 49 8b 56 08 48 c7 c7 20 ae 5f 8c 4c 89 e6 4c 89 f1 e8 0e 32 40 fc 90 <0f> 0b 4c 89 e7 e8 73 5f 1b fd 42 80 3c 2b 00 74 08 4c 89 e7 e8 74
RSP: 0018:ffffc90003c9f138 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff888073ee2570 RCX: 722483daba9b9200
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffff1100e7dc4ae R08: ffffffff819f1fbc R09: fffffbfff1cfa584
R10: dffffc0000000000 R11: fffffbfff1cfa584 R12: ffff888140af69c0
R13: dffffc0000000000 R14: ffff888073ee2568 R15: ffff888073e59108
FS:  00007f7412a986c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59789ff000 CR3: 00000000746b4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400