------------[ cut here ]------------ server->in_flight == 0 WARNING: fs/smb/client/smb2ops.c:104 at smb2_add_credits+0x1213/0x1790 fs/smb/client/smb2ops.c:104, CPU#0: cifsd/16656 Modules linked in: CPU: 0 UID: 0 PID: 16656 Comm: cifsd Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:smb2_add_credits+0x1213/0x1790 fs/smb/client/smb2ops.c:104 Code: c6 e8 61 e0 b6 fe 84 db 0f 85 0a fb ff ff e8 44 e6 b6 fe 48 8d 3d dd e0 d6 0d 67 48 0f b9 3a e9 f4 fa ff ff e8 2e e6 b6 fe 90 <0f> 0b 90 0f b6 05 fb 17 b7 0d 31 ff 89 c6 88 44 24 28 e8 26 e0 b6 RSP: 0018:ffffc9000690f788 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804ee50300 RCX: ffffffff83535e1b RDX: ffff888012db8000 RSI: ffffffff83536d92 RDI: ffff888012db8000 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000690f840 R13: 0000000000000200 R14: 0000000000000001 R15: ffff88804ee50000 FS: 0000000000000000(0000) GS:ffff888123dd9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f279e051000 CR3: 000000003618d000 CR4: 0000000000350ef0 Call Trace: add_credits fs/smb/client/cifsglob.h:894 [inline] cifs_compound_callback+0x19d/0x290 fs/smb/client/transport.c:789 cifs_compound_last_callback+0x1c/0xa0 fs/smb/client/transport.c:798 mid_execute_callback fs/smb/client/cifsglob.h:2319 [inline] cifs_abort_connection+0xa01/0x10b0 fs/smb/client/connect.c:343 __cifs_reconnect+0x7b/0xa80 fs/smb/client/connect.c:398 _cifs_reconnect fs/smb/client/connect.c:590 [inline] cifs_reconnect fs/smb/client/connect.c:604 [inline] cifs_readv_from_socket+0x7c1/0xa30 fs/smb/client/connect.c:743 cifs_read_from_socket+0xb8/0x100 fs/smb/client/connect.c:798 cifs_demultiplex_thread+0x2db/0x2ea0 fs/smb/client/connect.c:1288 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245