loop0: detected capacity change from 0 to 32768 (syz.0.0,5319,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. (syz.0.0,5319,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. 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+0x1249/0x2b70 fs/smb/client/smb2ops.c:104, CPU#0: syz.0.0/5319 Modules linked in: CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:smb2_add_credits+0x1249/0x2b70 fs/smb/client/smb2ops.c:104 Code: de 83 e6 01 31 ff e8 96 16 b7 fe f6 c3 01 75 0a e8 8c 11 b7 fe e9 22 13 00 00 0f 1f 44 00 00 e8 7d 11 b7 fe e9 13 13 00 00 90 <0f> 0b 90 80 3d 3f fa 52 0d 01 0f 85 9e 03 00 00 e8 62 11 b7 fe 49 RSP: 0018:ffffc9000f58f198 EFLAGS: 00010246 RAX: ffffffff8310ffd8 RBX: 1ffff11008419c61 RCX: ffff8880333dcb00 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000002000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: ffffffff83112d30 R12: ffff8880420ce308 R13: ffffc9000f58f3b0 R14: ffff8880420ce000 R15: 0000000000000000 FS: 00007f8ef4ff56c0(0000) GS:ffff88808c2bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000012354000 CR4: 0000000000352ef0 Call Trace: add_credits fs/smb/client/cifsglob.h:894 [inline] compound_send_recv+0x14bd/0x2d70 fs/smb/client/transport.c:995 cifs_send_recv+0x42/0x60 fs/smb/client/transport.c:1150 SMB2_sess_sendreceive+0x22f/0x780 fs/smb/client/smb2pdu.c:1655 SMB2_sess_auth_rawntlmssp_negotiate+0x308/0xaf0 fs/smb/client/smb2pdu.c:1851 SMB2_sess_setup+0x475/0x8b0 fs/smb/client/smb2pdu.c:2045 cifs_setup_session+0x86b/0x1130 fs/smb/client/connect.c:4170 cifs_get_smb_ses+0x114d/0x1ff0 fs/smb/client/connect.c:2503 cifs_mount_get_session+0xf1/0x450 fs/smb/client/connect.c:3587 get_session fs/smb/client/dfs.c:65 [inline] dfs_mount_share+0x22e/0x990 fs/smb/client/dfs.c:275 cifs_mount+0xcc/0xbf0 fs/smb/client/connect.c:3869 cifs_smb3_do_mount+0x2d0/0x8a0 fs/smb/client/cifsfs.c:1026 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:1932 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3772 [inline] do_new_mount+0x319/0xdc0 fs/namespace.c:3848 do_mount fs/namespace.c:4181 [inline] __do_sys_mount fs/namespace.c:4397 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4374 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8ef8b9e159 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:00007f8ef4ff4fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f8ef8e25fa0 RCX: 00007f8ef8b9e159 RDX: 0000200000000200 RSI: 0000200000000100 RDI: 0000200000000500 RBP: 00007f8ef8c3506b R08: 0000200000000300 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8ef8e26038 R14: 00007f8ef8e25fa0 R15: 00007ffe449b9748