[syzbot] [bcachefs?] BUG: corrupted list in new_inode

[syzbot <syzbot+2dabb3dce04e28763712@syzkaller.appspotmail.com>]

Hello,

syzbot found the following issue on:

HEAD commit:    0de63bb7d919 Merge tag 'pull-fix' of git://git.kernel.org/..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10f023df980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=147b7d49d83b8036
dashboard link: https://syzkaller.appspot.com/bug?extid=2dabb3dce04e28763712
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11f03724580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/d96aac16c63b/disk-0de63bb7.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/cec7aa6a6ed3/vmlinux-0de63bb7.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8601bc76fa6b/bzImage-0de63bb7.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/492e4b80ab1e/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2dabb3dce04e28763712@syzkaller.appspotmail.com

 slab debugfs_inode_cache start ffff88805b66d978 pointer offset 448 size 1176
list_add corruption. next->prev should be prev (ffff8881422a49c0), but was ffffffff9a43e100. (next=ffff88805b66db38).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:31!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5946 Comm: syz-executor Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #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: 13 1b fd 42 80 7c 2d 00 00 74 08 48 89 df e8 14 52 3c fd 49 8b 56 08 48 c7 c7 c0 b7 5f 8c 4c 89 e6 4c 89 f1 e8 1e e3 3f fc 90 <0f> 0b 4c 89 e7 e8 f3 12 1b fd 42 80 3c 2b 00 74 08 4c 89 e7 e8 e4
RSP: 0018:ffffc90003c46d98 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff88805b66db40 RCX: 2a333a4c251a8c00
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: 1ffff1100b6cdb68 R08: ffffffff819f140c R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8881422a49c0
R13: dffffc0000000000 R14: ffff88805b66db38 R15: ffff88805b66e050
FS:  000055555cae1500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c008a79000 CR3: 0000000027990000 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
 wiphy_register+0x1b8f/0x27b0 net/wireless/core.c:1015
 ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587
 mac80211_hwsim_new_radio+0x2a9f/0x4aa0 drivers/net/wireless/virtual/mac80211_hwsim.c:5558
 hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6242
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:728
 __sys_sendto+0x363/0x4c0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2185
 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: 0033:0x7f33d418ec3c
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007ffc9ca207b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f33d4ed4620 RCX: 00007f33d418ec3c
RDX: 0000000000000024 RSI: 00007f33d4ed4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc9ca20804 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f33d4ed4670 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xf3/0x130 lib/list_debug.c:29
Code: 13 1b fd 42 80 7c 2d 00 00 74 08 48 89 df e8 14 52 3c fd 49 8b 56 08 48 c7 c7 c0 b7 5f 8c 4c 89 e6 4c 89 f1 e8 1e e3 3f fc 90 <0f> 0b 4c 89 e7 e8 f3 12 1b fd 42 80 3c 2b 00 74 08 4c 89 e7 e8 e4
RSP: 0018:ffffc90003c46d98 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff88805b66db40 RCX: 2a333a4c251a8c00
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: 1ffff1100b6cdb68 R08: ffffffff819f140c R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8881422a49c0
R13: dffffc0000000000 R14: ffff88805b66db38 R15: ffff88805b66e050
FS:  000055555cae1500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c008a79000 CR3: 0000000027990000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
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