------------[ cut here ]------------
WARNING: CPU: 1 PID: 4823 at fs/cifs/smb2ops.c:88 smb2_add_credits+0x8df/0x1370 fs/cifs/smb2ops.c:88
Modules linked in:
CPU: 1 PID: 4823 Comm: cifsd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:smb2_add_credits+0x8df/0x1370 fs/cifs/smb2ops.c:88
Code: 02 00 00 03 2a 45 89 ef 41 29 ef 48 8b 44 24 38 42 0f b6 04 20 84 c0 0f 85 e1 02 00 00 44 89 3e e9 61 fb ff ff e8 91 9c 02 ff <0f> 0b e9 42 f9 ff ff e8 85 9c 02 ff c6 05 84 e5 00 0b 01 48 c7 c7
RSP: 0018:ffffc900047df608 EFLAGS: 00010293
RAX: ffffffff8276730f RBX: ffff8880757b6224 RCX: ffff888029b7d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100eaf6c45 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520008fbeb0 R12: ffff8880757b622c
R13: 0000000000000200 R14: ffff8880757b6000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000140 CR3: 0000000024162000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 add_credits fs/cifs/cifsglob.h:745 [inline]
 cifs_compound_callback fs/cifs/transport.c:1012 [inline]
 cifs_compound_last_callback+0x15a/0x290 fs/cifs/transport.c:1021
 cifs_mark_tcp_ses_conns_for_reconnect+0xb75/0x13a0 fs/cifs/connect.c:239
 __cifs_reconnect fs/cifs/connect.c:280 [inline]
 cifs_reconnect+0x2e3/0x1350 fs/cifs/connect.c:447
 cifs_readv_from_socket+0x7c4/0x8b0 fs/cifs/connect.c:-1
 cifs_read_from_socket fs/cifs/connect.c:626 [inline]
 cifs_demultiplex_thread+0x53b/0x35b0 fs/cifs/connect.c:989
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>