CIFS: Attempting to mount //127.0.0.1/share
CIFS: VFS: \\127.0.0.1 Error -104 sending data on socket to server
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7419 at fs/smb/client/smb2ops.c:97 smb2_add_credits+0x1365/0x2600 fs/smb/client/smb2ops.c:97
Modules linked in:
CPU: 1 PID: 7419 Comm: syz.0.290 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:smb2_add_credits+0x1365/0x2600 fs/smb/client/smb2ops.c:97
Code: 03 42 80 3c 28 00 74 08 4c 89 e7 e8 35 8b 3c ff 49 8b 34 24 48 c7 c7 c0 34 f7 8a e8 c5 9c e3 07 e9 eb f9 ff ff e8 eb a9 e3 fe <0f> 0b e9 d9 ef ff ff e8 df a9 e3 fe c6 05 47 f5 b2 0c 01 48 c7 c7
RSP: 0018:ffffc900038a7400 EFLAGS: 00010293
RAX: ffffffff82a3e6c5 RBX: ffff888029baa2c0 RCX: ffff88802a128000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000200 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000714e70 R12: 1ffff11005375458
R13: dffffc0000000000 R14: ffff888029baa000 R15: 0000000000000000
FS:  00007fb12b81f6c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe233f556c8 CR3: 000000005c397000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 add_credits fs/smb/client/cifsglob.h:857 [inline]
 compound_send_recv+0x1254/0x3040 fs/smb/client/transport.c:1192
 cifs_send_recv+0x40/0x50 fs/smb/client/transport.c:1316
 SMB2_negotiate+0x16b5/0x4270 fs/smb/client/smb2pdu.c:1145
 cifs_negotiate_protocol+0x445/0x670 fs/smb/client/connect.c:4022
 cifs_get_smb_ses+0x8d6/0x1b00 fs/smb/client/connect.c:2448
 cifs_mount_get_session+0xef/0x440 fs/smb/client/connect.c:3486
 get_session fs/smb/client/dfs.c:62 [inline]
 dfs_mount_share+0x1e9/0x7b0 fs/smb/client/dfs.c:285
 cifs_mount+0xbc/0x650 fs/smb/client/connect.c:3734
 cifs_smb3_do_mount+0x2e5/0x710 fs/smb/client/cifsfs.c:950
 smb3_get_tree_common fs/smb/client/fs_context.c:785 [inline]
 smb3_get_tree+0x5a5/0xa90 fs/smb/client/fs_context.c:805
 vfs_get_tree+0x8c/0x280 fs/super.c:1772
 do_new_mount+0x24a/0xa40 fs/namespace.c:3386
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb12a99e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb12b81f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb12ac25fa0 RCX: 00007fb12a99e559
RDX: 0000200000000200 RSI: 0000200000000100 RDI: 0000200000000500
RBP: 00007fb12aa35ab8 R08: 0000200000000300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb12ac26038 R14: 00007fb12ac25fa0 R15: 00007ffe87996928
 </TASK>