binder: 14884:14885 ioctl c0306201 200000000040 returned -22
binder: 14884:14885 ioctl c0306201 200000000640 returned -22
CIFS: Attempting to mount //127.0.0.1/share
CIFS: VFS: \\127.0.0.1 Error -32 sending data on socket to server
------------[ cut here ]------------
server->in_flight == 0
WARNING: fs/smb/client/smb2ops.c:104 at smb2_add_credits+0x125b/0x2b90 fs/smb/client/smb2ops.c:104, CPU#0: syz.5.3069/14885
Modules linked in:
CPU: 0 UID: 0 PID: 14885 Comm: syz.5.3069 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:smb2_add_credits+0x125b/0x2b90 fs/smb/client/smb2ops.c:104
Code: de 83 e6 01 31 ff e8 04 17 c7 fe f6 c3 01 75 0a e8 4a 12 c7 fe e9 22 13 00 00 0f 1f 44 00 00 e8 3b 12 c7 fe e9 13 13 00 00 90 <0f> 0b 90 80 3d a9 80 9a 0c 01 0f 85 9e 03 00 00 e8 20 12 c7 fe 49
RSP: 0018:ffffc90003e77238 EFLAGS: 00010246
RAX: ffffffff82febb1e RBX: 1ffff1100c2d7489 RCX: ffff88803276dd00
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff82fee890 R12: ffff8880616ba448
R13: ffffc90003e77450 R14: ffff8880616ba000 R15: 0000000000000000
FS:  00007f33e21366c0(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30c364 CR3: 000000006017c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 add_credits fs/smb/client/cifsglob.h:894 [inline]
 compound_send_recv+0x13ba/0x2b90 fs/smb/client/transport.c:979
 cifs_send_recv+0x42/0x60 fs/smb/client/transport.c:1106
 SMB2_negotiate+0x164d/0x4030 fs/smb/client/smb2pdu.c:1188
 cifs_negotiate_protocol+0x286/0x680 fs/smb/client/connect.c:4043
 cifs_get_smb_ses+0x1104/0x1ff0 fs/smb/client/connect.c:2492
 cifs_mount_get_session+0xf1/0x450 fs/smb/client/connect.c:3578
 get_session fs/smb/client/dfs.c:65 [inline]
 dfs_mount_share+0x22e/0x9a0 fs/smb/client/dfs.c:275
 cifs_mount+0xcc/0xc00 fs/smb/client/connect.c:3860
 cifs_smb3_do_mount+0x2e2/0x8c0 fs/smb/client/cifsfs.c:1024
 smb3_get_tree_common fs/smb/client/fs_context.c:897 [inline]
 smb3_get_tree+0x2dd/0x400 fs/smb/client/fs_context.c:917
 vfs_get_tree+0x92/0x2a0 fs/super.c:1700
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3765 [inline]
 do_new_mount+0x319/0xdc0 fs/namespace.c:3841
 do_mount fs/namespace.c:4174 [inline]
 __do_sys_mount fs/namespace.c:4390 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4367
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f33e3ede019
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:00007f33e2136028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f33e4165fa0 RCX: 00007f33e3ede019
RDX: 0000200000000400 RSI: 0000200000000300 RDI: 0000200000000200
RBP: 00007f33e3f7500c R08: 0000200000000500 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f33e4166038 R14: 00007f33e4165fa0 R15: 00007ffd3f364788
 </TASK>