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Merge tag 'v6.14-rc3-smb3-client-fix-part2' of git://git.samba.org/sfrench/cifs-2.6

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Pull smb client fix from Steve French:

 - Fix potential null pointer dereference

* tag 'v6.14-rc3-smb3-client-fix-part2' of git://git.samba.org/sfrench/cifs-2.6:
  smb: client: Add check for next_buffer in receive_encrypted_standard()
This commit is contained in:
Linus Torvalds
2025-02-22 17:32:00 -08:00
parent 5cf80612d3 860ca5e50f
commit 27102b38b8
1 changed files with 4 additions and 0 deletions
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4
fs/smb/client/smb2ops.c
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@@ -4965,6 +4965,10 @@ receive_encrypted_standard(struct TCP_Server_Info *server,
next_buffer = (char *)cifs_buf_get();
else
next_buffer = (char *)cifs_small_buf_get();
if (!next_buffer) {
cifs_server_dbg(VFS, "No memory for (large) SMB response\n");
return -1;
}
memcpy(next_buffer, buf + next_cmd, pdu_length - next_cmd);
}